Radio Tubes

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rare 1957 nos matched quad 3 mica 5814a 12au7wa ecc82 12au7 sylvania tubes
$191.25
quality

arvin 544 antique brown bakelite vintage tube radio receiver present
$147.49
quality

admiral 163 5l beetle plaskon tube radio
$350.00
quality

knight brown bakelite tube radio full bakelite back
$150.00
quality

coronado 43 8353 bakeite deco tube radio excellent
$125.00
quality

ge 400 blue bakelite tube radio
$225.00
quality

stromberg carlson red bakelite tube radio electronically restored
$300.00
quality

sparton bullet 5a 116 bakelite tube radio
$125.00
quality

emerson ep375 5+1 swirled green catalin tube radio
$1,495.00
quality

zenith ivory painted bakelite tube radio bc sw 5 pushbuttons
$175.00
quality

assembled gakken vacuum tube radio vintage adult diy kit from japan ship in us
$129.99
quality

vintage mid century crosley model 11 107u bakelite tube radio
$65.00
quality

rca receiving tube manual 1964 technical series rc 23 softcover pb
$15.00
quality

vintage silvertone wood cabinet tube radio parts or restore untested
$65.00
quality

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$9.99
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vintage admiral bakelite tube radio model 5f11 n
$24.99
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$25.00
quality

vintage sylvania electronic tube 6 lu 8
$25.00
quality

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$25.00
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$25.00
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$55.00
quality

nos cutler hammer 30 ohm rheostat vintage radio tube receiver audio
$20.00
quality

1940 zenith short wave tube radio cabinet works w wavemagnet model 8a02
$200.00
quality

8 new unused 100 ohm 50 w resistor f old ham radio tube power unit dummy load
$14.50
quality

one rca 6u5 6g5 audio receiver magic eye indicator vacuum tube tests bright
$15.99
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1 arrow tube radio knob black bakelite working base transmitter
$9.99
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3 brown bakelite dial knob plate f old ham radio tube receiver tuner dejur
$9.99
quality

western electric 310b vacuum tube nib
$400.00
quality

rare 1929 antique stromberg carlson 638 ac console mw tube radio
$599.00
quality

silvertone tube clock radio pink
$40.00
quality

1x philips 7586 nuvistor tube nos nib many available
$7.49
quality

sylvania c3j rca ge electronic tube lot of 3
$100.00
quality

rca victor tube table radio pale green
$40.00
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admiral tube clock radio
$35.00
quality

1951 rca victor x551 bakelite tube radio original 30 day warranty fully tested
$285.00
quality

packard bell tube radio
$40.00
quality

1948 firestone air chief 4 a 3 radio service manual photofact schematic tube fix
$8.99
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crosley model prestotune 11 radio tube shields dial
$30.00
quality

zenith tube clock radio
$40.00
quality

national union nu 6k7 tube tested 100
$7.99
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howard sams tube substitution handbook no 3
$4.45
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phillips tube table radio black bakalite case am fm sw
$65.00
quality

ge tube clock radio
$55.00
quality

1 nos tested rca vacuum electron tube 6bh6 radio amp bin t1
$20.00
quality

used tube radio coil transformer vintage radio parts ham radio parts
$11.00
quality

ge tube clock radio
$40.00
quality

vintage zenith tube radio actually powers up retro antique decor
$49.99
quality

matched quad nos tested ge vacuum electron tube jan 6c4wa radio amp bin t1
$30.00
quality

1948 fada 700 radio service manual photofact schematic diagram repair fix tube
$8.99
quality

sylvania 6fg6 em84 rca ge electronic tube lot of 10
$100.00
quality

1 nos tested ge vacuum electron tube jan 5965 radio amp bin t1
$19.00
quality

admiral portable tube radio model 4h22 from 1956
$34.00
quality

1 nos tested ge vacuum electron tube jan 5965 radio amp bin t1
$15.00
quality

zenith tube radio
$74.95
quality

vintage 40s antique addison art deco old mid century catalin bakelite tube radio
$890.00
quality

50dc4 vacuum tube nos nib various brands ge rca sylvania etc
$2.45
quality

sleeve of 5 nos tested rca vacuum electron tube 6au5gt radio amp bin t2
$20.00
quality

vintage nos irc 3 meg ohm potentiometer j3 140 tube radio
$14.99
quality

matched pair nos tested rca vacuum electron tube 12ay7 radio amp bin t2
$100.00
quality

matched pair nos tested rca vacuum electron tube jan 12ay7 radio amp bin t2
$100.00
quality

vintage baby blue green zenith tube table top am fm radio k725
$79.00
quality

vintage nos irc 5 meg ohm potentiometer b11 141 tube radio
$14.99
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vintage 1930s beautiful emerson old antique depression era bakelite tube radio
$73.00
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matched pair nos tested sylvania vacuum electron tube 6v6gt radio amp bin t2
$100.00
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amperex electron vacuum tube oe3 85a1 made in holland
$11.85
quality

1 nos tested ge vacuum electron tube jan clrv 6l6wgb 6l6 radio amp bin t2
$55.00
quality

ge 6au4gta nos nib vintage vacuum tube half wave rectifier
$1.25
quality

matched pair nos tested tung sol vacuum electron tube 6ax5gt radio amp bin t3
$15.00
quality

lot of 3 nos tested tung sol vacuum electron tube 6ax5gt radio amp bin t3
$20.00
quality

matched pair nos tested ge vacuum electron tube jan 5687wb radio amp bin t3
$30.00
quality

vintage radio ham audio video electronic tube new ge 6aq5 w orig box
$4.25
quality

nib vintage 6dq6b general electric vacuum tube ham radio nos
$14.09
quality

1 nos tested ge vacuum electron tube jan 5687wa radio amp bin t3
$25.00
quality

crosley 58tl white painted bakelite vintage deco tube radio not working
$8.27
quality

lot of vintage rotary switch old ham radio vacuum tube socket
$59.00
quality

sparton tube radio model 25
$49.66
quality

rare vntg antique stereo tube radio floor console wood cabinet antique art deco
$149.99
quality

sleeve of 5 nos tested ge vacuum electron tube 6cb6 amp bin t4
$17.00
quality


vintage am fm ge 408 tube radio
$65.00
quality

vintage deco 1940s philco police push button broadcast band tube table radio
$69.99
quality

vintage tube type radio motorola am galvin mfg co
$45.00
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lot of vintage st style tubes all tested good
$24.95
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rare vintage 1960 westinghouse symphonaire 66 tube radio model 759t6 works
$64.95
quality

rca victor 29k floor console tube radio model for parts or restoration
$125.00
quality

zenith model mh2603 tube type stereo receiver
$99.99
quality

vintage mid century console motorola sk32w cabinet by drexel tube radio amp
$899.99
quality

four engraved arcturus blue type 124 radio tubes
$60.00
quality

1 cunningham 45 vacuum tube stepped envelope tested
$29.99
quality

vintage 1951 motorola model 5c tube clock radio for parts and repairs
$20.00
quality

motorola model 52m1u portable tube
$27.99
quality

1946 sky rover butler bros am table tube radio ivory case original works 9022h
$39.99
quality

defender radio tube vintage 6505 501 a sears roebuck
$26.95
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2 x 6v6gt 6n6c reflektor russian military tube nos nib matched pair
$21.49
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vintage 30s fada art deco old antique tube radio
$45.00
quality

2 book set zenith tube radios 1936 45 catalog history
$69.95
quality

antique emerson bakelite vintage tube radio
$20.00
quality

vint deco philco radio tube hi top hat club necktie sterling key fob lapel pin
$39.99
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vtg telefunken gavotte 5353 w german hi fi system am fm sw mw tube table radio
$24.99
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vintage benrus 1955 clock tube radio alarm clock brass finish tv case works
$24.99
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magnavox vintage tube radio with turn table in wood cabinet
$79.99
quality

vtg rca victor 5 c 591 am 5 tube radio receiver 54 dual volume tune mid century
$189.99
quality

vintage tube radio indiana hyperdyne with tubes
$79.00
quality

vintage simpson 383 a capacohmeter tube cap checker bridge
$69.95
quality

rare federal type 804 cs1 tube signal generator w dovetail oak case
$259.95
quality

nec galaxie hi fi model 203 tube radio console
$95.00
quality

antique 1920s na ald midget cone speaker for tube radios good driver 5 tall
$114.88
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Radio Tubes

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Vacuum Tube: How Does It Work? (Part 1)

How Does A Power Car Radio Antenna Work

Antenna is very essential for a radio. The air surrounding us in very silent. The activities that are electromagnetic cannot be captured by the ears of normal human being. All the waves including the one from TV, radio, communication through wireless and even transmissions of the internet are in this environment where we all live, sleep and eat. The human body is not affected by this kind of electromagnetic waves. And hence it does not have the capability to sense its travel. So it is very essential to use a device that could capture all these signals. But how do auto radio antennas work?

But what exactly is known by a radio antenna. A device which is is used for capturing this waves which wander the air surrounding us is known as an Antenna. An antenna has a tubular structure which is generally made up of stainless steel. Most of these antennas are generally telescopic. They can change their length and height as they wish. Longer antennas and lower frequency broad casts are required for transmission of AM radio.

We must realize that the atmosphere around us carries many waves. It carries the waves which are being transmitted. These are detected by a component in the radio. It is called antenna. It is made up of steel of stainless steel type. It is a tubular structure generally thin. They can be extended or reduced in length.

There is a major classification in this. Amplitude modulation and frequency modulation. The broadcast of AM signals happen at shorter frequencies and broadcast of FM signals happen at a higher frequency range. Only antennas that are long can pick up lower frequency signal and only antennas that are short are capable of broadcast of FM signals that happen at a higher frequency.

The antennas have good reception and detection capabilities. When you adjust the station in your radio, it detects the signal available in that frequency. At one point the reception is maximum. At that point the signal is clear.

There are lot of differences between an ordinary radio antenna and radio antenna of car because the car is not stationary. A heavy wire should be connected that runs through the body of the car that remains shielded. We may have doubt why shielding should be done. This is done to prevent interference of external waves. These external wave can be anything right from cell phone or even various power lines in the road. Only when this interference is stopped there can be smooth flow of radio waves to tuner from the antenna of the radio in the car.

Nowadays technology has become so advanced technology like presence of gears in the tubes of the antenna. These tubes are operated by means of a motor. This is to receive the signal by the antennas when the radio is being switched on. There are other differences also between stationary radio antenna and that of a radio antenna of a car that is moving because the steel used in construction of antenna in car is more stronger and rigid. Some vehicles are also trying to use the same technology used in mobile phone for transmission of radio wave signals. However this is still in experimentation stage only.

The article how do auto radio antennas work would have given you basic ideas on the types and working of antennas. The discovery of such new things not only makes our life simple, but also makes us realize that man can do wonders with his small brain. The creation will result only after a series of failures. It is the combined effort of the mind and the brain which makes people work on new things.

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