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Pentode Stock Photos and Images
Pentode. Old radio lamp, isoalated on white background. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/pentode-old-radio-lamp-isoalated-on-white-background-image222695487.htmlRFPX8JA7–Pentode. Old radio lamp, isoalated on white background.
Artistic portrait of pentode GU-81- magic gate to magic world of high power electronic device. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/artistic-portrait-of-pentode-gu-81-magic-gate-to-magic-world-of-high-power-electronic-device-image223763499.htmlRMR018HF–Artistic portrait of pentode GU-81- magic gate to magic world of high power electronic device.
Old vacuum tube 6DQ6 Power pentode. Generally used in the horizontal deflection amplifier. Octal socket. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-old-vacuum-tube-6dq6-power-pentode-generally-used-in-the-horizontal-79870611.htmlRFEHXBNR–Old vacuum tube 6DQ6 Power pentode. Generally used in the horizontal deflection amplifier. Octal socket.
. English: 6J7 pentode anode characteristics . 1955. RCA 2 6J7 pentode anode characteristics Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/english-6j7-pentode-anode-characteristics-1955-rca-2-6j7-pentode-anode-characteristics-image208041339.htmlRMP2D2RR–. English: 6J7 pentode anode characteristics . 1955. RCA 2 6J7 pentode anode characteristics
Large power electron tube for HiFi audio amplifier. Artificial light from above, top shot of the subject Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/large-power-electron-tube-for-hifi-audio-amplifier-artificial-light-from-above-top-shot-of-the-subject-image410643469.htmlRF2ET2BX5–Large power electron tube for HiFi audio amplifier. Artificial light from above, top shot of the subject
Vacuum Tube against a white backgroung Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-vacuum-tube-against-a-white-backgroung-25680266.htmlRMBDNRCA–Vacuum Tube against a white backgroung
Vacuum tube Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-image-vacuum-tube-167173783.htmlRFKKYBT7–Vacuum tube
Stylized vector illustration of blueprint of vacuum tube Stock Vectorhttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stylized-vector-illustration-of-blueprint-of-vacuum-tube-image549207450.htmlRF2PWEFKP–Stylized vector illustration of blueprint of vacuum tube
Vacuum tubes (old ones) Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-image-vacuum-tubes-old-ones-166419636.htmlRFKJN1XC–Vacuum tubes (old ones)
Vintage Mullard EF86 electronic pentode valve or tube Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/vintage-mullard-ef86-electronic-pentode-valve-or-tube-image219250350.htmlRFPMKM1J–Vintage Mullard EF86 electronic pentode valve or tube
Short Wave Craft: At Last! A 2 R.F. Stage Pentode Receiver That Works! Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-short-wave-craft-at-last!-a-2-rf-stage-pentode-receiver-that-works!-23975286.htmlRMBB04M6–Short Wave Craft: At Last! A 2 R.F. Stage Pentode Receiver That Works!
Brazier, charcoal fire and pentode Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/brazier-charcoal-fire-and-pentode-image630410186.htmlRF2YHHJHE–Brazier, charcoal fire and pentode
full set of numbers on vintage indicator lights gas lamps. Steampunk Dieselpunk Art Deco 3d Render Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/full-set-of-numbers-on-vintage-indicator-lights-gas-lamps-steampunk-dieselpunk-art-deco-3d-render-image261856522.htmlRFW60GJJ–full set of numbers on vintage indicator lights gas lamps. Steampunk Dieselpunk Art Deco 3d Render
The Hague, the Netherlands - February 17 2024: old Philips Pentode valve on a light background Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-hague-the-netherlands-february-17-2024-old-philips-pentode-valve-on-a-light-background-image601602190.htmlRF2WXN9ME–The Hague, the Netherlands - February 17 2024: old Philips Pentode valve on a light background
Gain electronic vacuum tube Soviet-made on white background Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-gain-electronic-vacuum-tube-soviet-made-on-white-background-126616805.htmlRFH9YW0N–Gain electronic vacuum tube Soviet-made on white background
1959, historical, young man in a jacket and tie at his work station testing equipment at Mullards Limited, a Briitsh electronics manufacturer based in Torrington Place, London, England, UK. The business was started by Captain Stanley R. Mullard in 1920, as the Mullard Radio Value Company. An information sheet on 'Cathode Ray Tubes; is pinned on a notice board underneath a chart with diagrams about Valve Bases (Vacum Tubes). A partnership in 1923 with the Dutch company Phillips saw values made under the Phillips-Mullard brand and Phillips took control of the parntnership in 1927. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/1959-historical-young-man-in-a-jacket-and-tie-at-his-work-station-testing-equipment-at-mullards-limited-a-briitsh-electronics-manufacturer-based-in-torrington-place-london-england-uk-the-business-was-started-by-captain-stanley-r-mullard-in-1920-as-the-mullard-radio-value-company-an-information-sheet-on-cathode-ray-tubes-is-pinned-on-a-notice-board-underneath-a-chart-with-diagrams-about-valve-bases-vacum-tubes-a-partnership-in-1923-with-the-dutch-company-phillips-saw-values-made-under-the-phillips-mullard-brand-and-phillips-took-control-of-the-parntnership-in-1927-image453054390.htmlRM2H92BDX–1959, historical, young man in a jacket and tie at his work station testing equipment at Mullards Limited, a Briitsh electronics manufacturer based in Torrington Place, London, England, UK. The business was started by Captain Stanley R. Mullard in 1920, as the Mullard Radio Value Company. An information sheet on 'Cathode Ray Tubes; is pinned on a notice board underneath a chart with diagrams about Valve Bases (Vacum Tubes). A partnership in 1923 with the Dutch company Phillips saw values made under the Phillips-Mullard brand and Phillips took control of the parntnership in 1927.
Old tube amplifier in metallic case Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/old-tube-amplifier-in-metallic-case-image187075237.htmlRFMTA0AD–Old tube amplifier in metallic case
Vacuum tubes Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/vacuum-tubes-image63461388.htmlRFDK6WJ4–Vacuum tubes
An early diode valve vacuum tube Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-an-early-diode-valve-vacuum-tube-16486973.htmlRMAW731J–An early diode valve vacuum tube
Red backlit vacuum tube silhouettes studio image. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/red-backlit-vacuum-tube-silhouettes-studio-image-image215449152.htmlRFPEEFGG–Red backlit vacuum tube silhouettes studio image.
Artistic portrait of pentode GU-81- magic gate to magic world of high power electronic device. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/artistic-portrait-of-pentode-gu-81-magic-gate-to-magic-world-of-high-power-electronic-device-image223763503.htmlRMR018HK–Artistic portrait of pentode GU-81- magic gate to magic world of high power electronic device.
vacuum tubes isolated on white background Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-vacuum-tubes-isolated-on-white-background-144348870.htmlRFJARJCP–vacuum tubes isolated on white background
Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/-image225868100.htmlRFR3D51T–
Large power electron tube for HiFi audio amplifier. Artificial light from above, top shot of the subject Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/large-power-electron-tube-for-hifi-audio-amplifier-artificial-light-from-above-top-shot-of-the-subject-image410643313.htmlRF2ET2BMH–Large power electron tube for HiFi audio amplifier. Artificial light from above, top shot of the subject
A vacuum tube against a gray background Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-a-vacuum-tube-against-a-gray-background-25835455.htmlRMBE0WAR–A vacuum tube against a gray background
vacuum tubes Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/vacuum-tubes-image183212514.htmlRFMJ21C2–vacuum tubes
Stylized vector illustration of blueprint of vacuum tube Stock Vectorhttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stylized-vector-illustration-of-blueprint-of-vacuum-tube-image549208212.htmlRF2PWEGK0–Stylized vector illustration of blueprint of vacuum tube
Electronic vacuum tube Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-electronic-vacuum-tube-103730834.htmlRFG0N9MJ–Electronic vacuum tube
. The Bell System technical journal . Fig. 4—Section view of the double pentode tube. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-bell-system-technical-journal-fig-4section-view-of-the-double-pentode-tube-image374610335.htmlRM2CNCY8F–. The Bell System technical journal . Fig. 4—Section view of the double pentode tube.
Vector Electronic vacuum tube Stock Vectorhttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-vector-electronic-vacuum-tube-101238055.htmlRFFTKP4R–Vector Electronic vacuum tube
A 1T4 vacuum tube against a black background Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-a-1t4-vacuum-tube-against-a-black-background-25685694.htmlRMBDP2A6–A 1T4 vacuum tube against a black background
Tube radio. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/tube-radio-image432489328.htmlRM2G3HGFC–Tube radio.
Radio repair store, The Hague, the Netherlands - February 17 2024: old Philips classic, Pentode valve, red series radio tube Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/radio-repair-store-the-hague-the-netherlands-february-17-2024-old-philips-classic-pentode-valve-red-series-radio-tube-image601602189.htmlRF2WXN9MD–Radio repair store, The Hague, the Netherlands - February 17 2024: old Philips classic, Pentode valve, red series radio tube
Gain electronic vacuum tube Soviet-made on white background Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-gain-electronic-vacuum-tube-soviet-made-on-white-background-126616804.htmlRFH9YW0M–Gain electronic vacuum tube Soviet-made on white background
Tube radio. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/tube-radio-image432489320.htmlRM2G3HGF4–Tube radio.
Old tube amplifier in metallic case Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/old-tube-amplifier-in-metallic-case-image185318530.htmlRFMNDYJX–Old tube amplifier in metallic case
miniature vacuum tube Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/miniature-vacuum-tube-image9172439.htmlRMARGRW8–miniature vacuum tube
early thermionic valves or vacuum tubes Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-early-thermionic-valves-or-vacuum-tubes-16648174.htmlRMAWT6PR–early thermionic valves or vacuum tubes
set of old vacuum tubes on white background Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-image-set-of-old-vacuum-tubes-on-white-background-168105864.htmlRFKNDTMT–set of old vacuum tubes on white background
Artistic portrait of pentode GU-81- magic gate to magic world of high power electronic device. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/artistic-portrait-of-pentode-gu-81-magic-gate-to-magic-world-of-high-power-electronic-device-image223763494.htmlRMR018HA–Artistic portrait of pentode GU-81- magic gate to magic world of high power electronic device.
Old vacuum indicator lamp on white background Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/old-vacuum-indicator-lamp-on-white-background-image430392867.htmlRF2G062DR–Old vacuum indicator lamp on white background
Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/-image225868085.htmlRFR3D519–
Large power electron tube for HiFi audio amplifier. Artificial light from above, top shot of the subject Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/large-power-electron-tube-for-hifi-audio-amplifier-artificial-light-from-above-top-shot-of-the-subject-image410643346.htmlRF2ET2BNP–Large power electron tube for HiFi audio amplifier. Artificial light from above, top shot of the subject
old radio valves Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-old-radio-valves-59339902.htmlRFDCF4J6–old radio valves
Closeup of glass vacuum tubes, vintage electronic parts Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/closeup-of-glass-vacuum-tubes-vintage-electronic-parts-image498841291.htmlRF2KYG54B–Closeup of glass vacuum tubes, vintage electronic parts
Stylized vector illustration of blueprint of vacuum tube Stock Vectorhttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stylized-vector-illustration-of-blueprint-of-vacuum-tube-image549204837.htmlRF2PWECAD–Stylized vector illustration of blueprint of vacuum tube
Electronic compnts industry line icons collection. Silicon, Transistor, Capacitor, Resistor, Diode, Microchip, PCB vector and linear illustration Stock Vectorhttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/electronic-compnts-industry-line-icons-collection-silicon-transistor-capacitor-resistor-diode-microchip-pcb-vector-and-linear-illustration-image546884952.htmlRF2PNMN9C–Electronic compnts industry line icons collection. Silicon, Transistor, Capacitor, Resistor, Diode, Microchip, PCB vector and linear illustration
. The Bell System technical journal . Pig. 1 — Schematic diagram of electronic relay tester. ELECTRONIC RELAY TESTER 927. cient gain to provide adequate deflection voltage to the horizontal platesof the scope. The oscillator comprises a 6AU6 pentode tube and an associated tankcircuit. The tube is connected as an electron coupled oscillator with theenergy for the oscillations being supplied by the screen circuit. The plateoutput is a modulated current that passes through the screen and sup-pressor grids. Considerable isolation of the coupling circuit from theoscillator is obtained by this arran Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-bell-system-technical-journal-pig-1-schematic-diagram-of-electronic-relay-tester-electronic-relay-tester-927-cient-gain-to-provide-adequate-deflection-voltage-to-the-horizontal-platesof-the-scope-the-oscillator-comprises-a-6au6-pentode-tube-and-an-associated-tankcircuit-the-tube-is-connected-as-an-electron-coupled-oscillator-with-theenergy-for-the-oscillations-being-supplied-by-the-screen-circuit-the-plateoutput-is-a-modulated-current-that-passes-through-the-screen-and-sup-pressor-grids-considerable-isolation-of-the-coupling-circuit-from-theoscillator-is-obtained-by-this-arran-image376115475.htmlRM2CRWF3F–. The Bell System technical journal . Pig. 1 — Schematic diagram of electronic relay tester. ELECTRONIC RELAY TESTER 927. cient gain to provide adequate deflection voltage to the horizontal platesof the scope. The oscillator comprises a 6AU6 pentode tube and an associated tankcircuit. The tube is connected as an electron coupled oscillator with theenergy for the oscillations being supplied by the screen circuit. The plateoutput is a modulated current that passes through the screen and sup-pressor grids. Considerable isolation of the coupling circuit from theoscillator is obtained by this arran
Nixie tube indicator lamp with Alphabet letters set Stock Vectorhttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/nixie-tube-indicator-lamp-with-alphabet-letters-set-image383043488.htmlRF2D753TG–Nixie tube indicator lamp with Alphabet letters set
Vacuum tubes on black background with reflection Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-vacuum-tubes-on-black-background-with-reflection-75874400.htmlRFEBCAG0–Vacuum tubes on black background with reflection
Educational conncept about progress of electronics Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/educational-conncept-about-progress-of-electronics-image186060373.htmlRFMPKNW9–Educational conncept about progress of electronics
Vacuum Tube Amplifier Isolated on blue Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/vacuum-tube-amplifier-isolated-on-blue-image239088739.htmlRFRTYC3F–Vacuum Tube Amplifier Isolated on blue
A part of oscilloscope tube is intended for registration of electrical processes of visual observations in various radio electronic devices for specia Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/a-part-of-oscilloscope-tube-is-intended-for-registration-of-electrical-processes-of-visual-observations-in-various-radio-electronic-devices-for-specia-image401905361.htmlRF2E9TAAW–A part of oscilloscope tube is intended for registration of electrical processes of visual observations in various radio electronic devices for specia
Tube radio. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/tube-radio-image432489215.htmlRM2G3HGBB–Tube radio.
2021. Nixie tube indicator lamps. Gas discharge indicators and lamps. 3D. 3D Rendering Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/2021-nixie-tube-indicator-lamps-gas-discharge-indicators-and-lamps-3d-3d-rendering-image368708602.htmlRF2CBT3GA–2021. Nixie tube indicator lamps. Gas discharge indicators and lamps. 3D. 3D Rendering
Vintage 1H4 GT-style vacuum tube or electron valve Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/vintage-1h4-gt-style-vacuum-tube-or-electron-valve-image9172431.htmlRMARGRW0–Vintage 1H4 GT-style vacuum tube or electron valve
early thermionic valves or vacuum tubes beside single transistors Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-early-thermionic-valves-or-vacuum-tubes-beside-single-transistors-16648101.htmlRMAWT6GP–early thermionic valves or vacuum tubes beside single transistors
Old electronic tube Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/old-electronic-tube-image464988074.htmlRF2J0E10X–Old electronic tube
Artistic portrait of pentode GU-81- magic gate to magic world of high power electronic device. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/artistic-portrait-of-pentode-gu-81-magic-gate-to-magic-world-of-high-power-electronic-device-image223763489.htmlRMR018H5–Artistic portrait of pentode GU-81- magic gate to magic world of high power electronic device.
Old vacuum indicator lamp on white background Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/old-vacuum-indicator-lamp-on-white-background-image425839914.htmlRF2FMPK4A–Old vacuum indicator lamp on white background
Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/-image225868095.htmlRFR3D51K–
Large power electron tube for HiFi audio amplifier. Artificial light from above, top shot of the subject Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/large-power-electron-tube-for-hifi-audio-amplifier-artificial-light-from-above-top-shot-of-the-subject-image410643376.htmlRF2ET2BPT–Large power electron tube for HiFi audio amplifier. Artificial light from above, top shot of the subject
old radio valves standing Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-old-radio-valves-standing-59339908.htmlRFDCF4JC–old radio valves standing
Some valves Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/some-valves-image464987923.htmlRF2J0E0RF–Some valves
Stylized vector illustration of blueprints of vacuum tube Stock Vectorhttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stylized-vector-illustration-of-blueprints-of-vacuum-tube-image549208763.htmlRF2PWEHAK–Stylized vector illustration of blueprints of vacuum tube
Closeup of glass vacuum tubes, vintage electronic parts Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/closeup-of-glass-vacuum-tubes-vintage-electronic-parts-image498841281.htmlRF2KYG541–Closeup of glass vacuum tubes, vintage electronic parts
. The Bell System technical journal . ely straight portionsof g-e characteristics can be verified by inspection of (Fig. 1) where thecharacteristic of the 6AG7 is given. Since a portion of the g-e characteristic is a straight line, the third term coefficient — may be replaced by the ratio -^ where Ae is an arbitrary inter-ne Ae val of grid voltage and Ag the corresponding change in g. In many of thefollowing computations it will be advantageous to use for Ae the total excur-sion of the grid voltage. On the basis of the simplifying assumption of a paraboUc pentode it ispossible to derive the si Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-bell-system-technical-journal-ely-straight-portionsof-g-e-characteristics-can-be-verified-by-inspection-of-fig-1-where-thecharacteristic-of-the-6ag7-is-given-since-a-portion-of-the-g-e-characteristic-is-a-straight-line-the-third-term-coefficient-may-be-replaced-by-the-ratio-where-ae-is-an-arbitrary-inter-ne-ae-val-of-grid-voltage-and-ag-the-corresponding-change-in-g-in-many-of-thefollowing-computations-it-will-be-advantageous-to-use-for-ae-the-total-excur-sion-of-the-grid-voltage-on-the-basis-of-the-simplifying-assumption-of-a-parabouc-pentode-it-ispossible-to-derive-the-si-image376098936.htmlRM2CRTP0T–. The Bell System technical journal . ely straight portionsof g-e characteristics can be verified by inspection of (Fig. 1) where thecharacteristic of the 6AG7 is given. Since a portion of the g-e characteristic is a straight line, the third term coefficient — may be replaced by the ratio -^ where Ae is an arbitrary inter-ne Ae val of grid voltage and Ag the corresponding change in g. In many of thefollowing computations it will be advantageous to use for Ae the total excur-sion of the grid voltage. On the basis of the simplifying assumption of a paraboUc pentode it ispossible to derive the si
Old vacuum tube on gray background Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/old-vacuum-tube-on-gray-background-image491038761.htmlRF2KETMXH–Old vacuum tube on gray background
Nixie tube indicator lamp with letter F lit up, as retro-styled digitron alphabet. Transparent vector illustration. Stock Vectorhttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/nixie-tube-indicator-lamp-with-letter-f-lit-up-as-retro-styled-digitron-alphabet-transparent-vector-illustration-image226469471.htmlRFR4CG3B–Nixie tube indicator lamp with letter F lit up, as retro-styled digitron alphabet. Transparent vector illustration.
Backside connectors of used, dusty television or tv monitor cathode ray tube. Retro vintage technology. Defocused blurred view Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/backside-connectors-of-used-dusty-television-or-tv-monitor-cathode-ray-tube-retro-vintage-technology-defocused-blurred-view-image436177778.htmlRF2G9HH5P–Backside connectors of used, dusty television or tv monitor cathode ray tube. Retro vintage technology. Defocused blurred view
Vacuum Tube Amplifier Isolated on blue Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/vacuum-tube-amplifier-isolated-on-blue-image241755787.htmlRFT18WY7–Vacuum Tube Amplifier Isolated on blue
A part of oscilloscope tube is intended for registration of electrical processes of visual observations in various radio electronic devices for specia Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/a-part-of-oscilloscope-tube-is-intended-for-registration-of-electrical-processes-of-visual-observations-in-various-radio-electronic-devices-for-specia-image401905310.htmlRF2E9TA92–A part of oscilloscope tube is intended for registration of electrical processes of visual observations in various radio electronic devices for specia
Old glass radio transmitting valve on its metallic socket isolated on white background. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-old-glass-radio-transmitting-valve-on-its-metallic-socket-isolated-15499173.htmlRFANE34P–Old glass radio transmitting valve on its metallic socket isolated on white background.
device of tuning of an old lamp radio receiver Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-device-of-tuning-of-an-old-lamp-radio-receiver-54258503.htmlRFD47K7K–device of tuning of an old lamp radio receiver
Vacuum tubes on black background with reflection Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-vacuum-tubes-on-black-background-with-reflection-75874393.htmlRFEBCAFN–Vacuum tubes on black background with reflection
Early thermionic valves vacuum tubes beside microchips and transistors Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-early-thermionic-valves-vacuum-tubes-beside-microchips-and-transistors-16648931.htmlRMAWT91T–Early thermionic valves vacuum tubes beside microchips and transistors
device of tuning of an old lamp radio receiver Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-device-of-tuning-of-an-old-lamp-radio-receiver-54259245.htmlRFD47M65–device of tuning of an old lamp radio receiver
Vacuum tubes on black background with reflection Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-vacuum-tubes-on-black-background-with-reflection-75874396.htmlRFEBCAFT–Vacuum tubes on black background with reflection
Old vacuum indicator lamp on white background Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/old-vacuum-indicator-lamp-on-white-background-image430392890.htmlRF2G062EJ–Old vacuum indicator lamp on white background
Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/-image225868086.htmlRFR3D51A–
Large power electron tube for HiFi audio amplifier. Artificial light from above, top shot of the subject Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/large-power-electron-tube-for-hifi-audio-amplifier-artificial-light-from-above-top-shot-of-the-subject-image410643494.htmlRF2ET2BY2–Large power electron tube for HiFi audio amplifier. Artificial light from above, top shot of the subject
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Old electrical devices Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/old-electrical-devices-image464987947.htmlRF2J0E0TB–Old electrical devices
Stylized vector illustration of isometric blueprints of vacuum tubes Stock Vectorhttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stylized-vector-illustration-of-isometric-blueprints-of-vacuum-tubes-image549208774.htmlRF2PWEHB2–Stylized vector illustration of isometric blueprints of vacuum tubes
Electronic vacuum tube on a white background Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-electronic-vacuum-tube-on-a-white-background-34721192.htmlRFC0DK6G–Electronic vacuum tube on a white background
. QST . least at the beginning. This article describes the construction of asimple one-tube regenerative receiver that willfulfill the basic requirements for communicationswork. The title of the article states that thereceiver is a one-tube job. Actually, it uses twotubes in one envelope — envelope meaning theglass enclosure. The 6U8 is a triode-pentode, andin this receiver the pentode section is used as aregenerative detector and the triode portion asan audio amplifier. With this receiver it is possible to hear amateurand commercial stations in the 2- to 20-Mc.range. This tuning range will en Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/qst-least-at-the-beginning-this-article-describes-the-construction-of-asimple-one-tube-regenerative-receiver-that-willfulfill-the-basic-requirements-for-communicationswork-the-title-of-the-article-states-that-thereceiver-is-a-one-tube-job-actually-it-uses-twotubes-in-one-envelope-envelope-meaning-theglass-enclosure-the-6u8-is-a-triode-pentode-andin-this-receiver-the-pentode-section-is-used-as-aregenerative-detector-and-the-triode-portion-asan-audio-amplifier-with-this-receiver-it-is-possible-to-hear-amateurand-commercial-stations-in-the-2-to-20-mcrange-this-tuning-range-will-en-image375989939.htmlRM2CRKR03–. QST . least at the beginning. This article describes the construction of asimple one-tube regenerative receiver that willfulfill the basic requirements for communicationswork. The title of the article states that thereceiver is a one-tube job. Actually, it uses twotubes in one envelope — envelope meaning theglass enclosure. The 6U8 is a triode-pentode, andin this receiver the pentode section is used as aregenerative detector and the triode portion asan audio amplifier. With this receiver it is possible to hear amateurand commercial stations in the 2- to 20-Mc.range. This tuning range will en
Old vacuum tube on gray background Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/old-vacuum-tube-on-gray-background-image491039124.htmlRF2KETNBG–Old vacuum tube on gray background
Nixie tube indicator lamp with letter L lit up, as retro-styled digitron alphabet. Transparent vector illustration. Stock Vectorhttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/nixie-tube-indicator-lamp-with-letter-l-lit-up-as-retro-styled-digitron-alphabet-transparent-vector-illustration-image226469539.htmlRFR4CG5R–Nixie tube indicator lamp with letter L lit up, as retro-styled digitron alphabet. Transparent vector illustration.
Backside connectors of used, dusty television or tv monitor cathode ray tube. Retro vintage technology Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/backside-connectors-of-used-dusty-television-or-tv-monitor-cathode-ray-tube-retro-vintage-technology-image436043171.htmlRF2G9BDEB–Backside connectors of used, dusty television or tv monitor cathode ray tube. Retro vintage technology
Vacuum Tube Amplifier Isolated on blue Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-vacuum-tube-amplifier-isolated-on-blue-82297088.htmlRFENTXNM–Vacuum Tube Amplifier Isolated on blue
A part of oscilloscope tube is intended for registration of electrical processes of visual observations in various radio electronic devices for specia Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/a-part-of-oscilloscope-tube-is-intended-for-registration-of-electrical-processes-of-visual-observations-in-various-radio-electronic-devices-for-specia-image401905296.htmlRF2E9TA8G–A part of oscilloscope tube is intended for registration of electrical processes of visual observations in various radio electronic devices for specia
Vintage vacuum radio tubes. Close-up view. Isolated on white background. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-vintage-vacuum-radio-tubes-close-up-view-isolated-on-white-background-59918319.htmlRFDDDEBY–Vintage vacuum radio tubes. Close-up view. Isolated on white background.
Digit 0 (zero). Nixie tube indicator Stock Vectorhttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/digit-0-zero-nixie-tube-indicator-image64499937.htmlRFDMX695–Digit 0 (zero). Nixie tube indicator
Vintage vacuum radio tube. Close-up view. Isolated on white background. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-vintage-vacuum-radio-tube-close-up-view-isolated-on-white-background-59964136.htmlRFDDFGT8–Vintage vacuum radio tube. Close-up view. Isolated on white background.
vacuum electronic radio tubes. Isolated image on white background Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-vacuum-electronic-radio-tubes-isolated-image-on-white-background-131516893.htmlRFHHY33W–vacuum electronic radio tubes. Isolated image on white background
device of tuning of an old lamp radio receiver Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-device-of-tuning-of-an-old-lamp-radio-receiver-54258659.htmlRFD47KD7–device of tuning of an old lamp radio receiver
Vacuum tubes on black background with reflection Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-vacuum-tubes-on-black-background-with-reflection-75874398.htmlRFEBCAFX–Vacuum tubes on black background with reflection
Old vacuum indicator lamp on white background Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/old-vacuum-indicator-lamp-on-white-background-image425460275.htmlRF2FM5AWR–Old vacuum indicator lamp on white background
