Amplifier Tube

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1930 40s UNIVERSAL Jukebox AMPLIFIER Mills Rockola Seeburg Wurlitzer  tube type
1930 40s UNIVERSAL Jukebox AMPLIFIER Mills Rockola Seeburg Wurlitzer tube type
$355.00
quality
1950s AMI Jukebox AMPLIFIER  Tube Type Amp
1950s AMI Jukebox AMPLIFIER Tube Type Amp
$150.00
quality
WURLITZER MODEL 200A JUKE BOX AMPLIFIER WITH TUBES 1940S VINTAGE
WURLITZER MODEL 200A JUKE BOX AMPLIFIER WITH TUBES 1940S VINTAGE
$25.00
quality
SEEBURG TRASHCAN JUKEBOX AMPLIFIER TUBE KIT 146 147 148
SEEBURG TRASHCAN JUKEBOX AMPLIFIER TUBE KIT 146 147 148
$85.00
quality
SEEBURG C OR W JUKEBOX AMPLIFIER TUBE KIT MRA 3
SEEBURG C OR W JUKEBOX AMPLIFIER TUBE KIT MRA 3
$129.00
quality
SEEBURG A  B JUKEBOX AMPLIFIER TUBE KIT MRA 1
SEEBURG A B JUKEBOX AMPLIFIER TUBE KIT MRA 1
$129.00
quality
AMI F G H AND I JUKEBOX AMPLIFIER TUBE KIT
AMI F G H AND I JUKEBOX AMPLIFIER TUBE KIT
$99.00
quality
AMI Jukebox Tube Amplifier Dual 6L6 Output
AMI Jukebox Tube Amplifier Dual 6L6 Output
$33.15
quality
Vintage 1946 Seeburg 6L6 Tube Amplifier Model RSA1 L6
Vintage 1946 Seeburg 6L6 Tube Amplifier Model RSA1 L6
$125.00
quality
AMI E JUKEBOX AMPLIFIER AMP MODEL DD TUBE
AMI E JUKEBOX AMPLIFIER AMP MODEL DD TUBE
$79.00
quality
Seeburg Symphonola 147 Trashcan Jukebox Part Master Power Amplifier W Tubes
Seeburg Symphonola 147 Trashcan Jukebox Part Master Power Amplifier W Tubes
$200.00
quality
ROCK OLA 431 432JUKEBOX part tested working STEREO TUBE AMPLIFIER 42845 A
ROCK OLA 431 432JUKEBOX part tested working STEREO TUBE AMPLIFIER 42845 A
$300.00
quality
Wurlitzer 2800 2810 amplifier model 545 without tubes
Wurlitzer 2800 2810 amplifier model 545 without tubes
$85.00
quality
Wurlitzer 2700 2710 amplifier model 544 without tubes voltages test OK
Wurlitzer 2700 2710 amplifier model 544 without tubes voltages test OK
$110.00
quality
Wurlitzer 1250 Amplifier Model 510 without tubes
Wurlitzer 1250 Amplifier Model 510 without tubes
$125.00
quality
Seeburg V200 VL200 100J 100JL HFMA1 amplifier used tube shields for 12AX7
Seeburg V200 VL200 100J 100JL HFMA1 amplifier used tube shields for 12AX7
$14.00
quality
Seeburg M100A M100B M100BL Master Remote Amplifier type MRA1 L6 tube set used
Seeburg M100A M100B M100BL Master Remote Amplifier type MRA1 L6 tube set used
$30.00
quality
Rock ola 414S Capri II 418S Rhapsody II Stereo Hi Fi Amplifier  39310 tubes
Rock ola 414S Capri II 418S Rhapsody II Stereo Hi Fi Amplifier 39310 tubes
$135.00
quality
1939 AMI Model 39C five tube amplifier  14725 Audio Projector Company
1939 AMI Model 39C five tube amplifier 14725 Audio Projector Company
$400.00
quality
1938 AMI Model 38 five tube amplifier  12613 Audio Projector Company
1938 AMI Model 38 five tube amplifier 12613 Audio Projector Company
$400.00
quality
SEEBURG SHFA 1  2 AMPLIFIER TUBE KIT 220 222 Q
SEEBURG SHFA 1 2 AMPLIFIER TUBE KIT 220 222 Q
$239.00
quality
AMI JUKEBOX AMPLIFIER TUBE KIT FOR D AND E MODELS AMPS DD AND EE
AMI JUKEBOX AMPLIFIER TUBE KIT FOR D AND E MODELS AMPS DD AND EE
$85.00
quality
ROCKOLA JUKEBOX AMPLIFIER TUBE KIT 1436 1438 1442 1446 1448 1452 AND 1454 MODELS
ROCKOLA JUKEBOX AMPLIFIER TUBE KIT 1436 1438 1442 1446 1448 1452 AND 1454 MODELS
$85.00
quality
ROCKOLA JUKEBOX AMPLIFIER TUBE KIT FOR MODELS 1432 AND 1434
ROCKOLA JUKEBOX AMPLIFIER TUBE KIT FOR MODELS 1432 AND 1434
$85.00
quality
ROCKOLA JUKEBOX AMPLIFIER TUBE KIT FOR MODELS 1422 AND 1426 AMP MODEL O
ROCKOLA JUKEBOX AMPLIFIER TUBE KIT FOR MODELS 1422 AND 1426 AMP MODEL O
$60.00
quality
ROCKOLA JUKEBOX AMPLIFIER TUBE KIT FOR MODEL 1428 AMP MODEL P
ROCKOLA JUKEBOX AMPLIFIER TUBE KIT FOR MODEL 1428 AMP MODEL P
$80.00
quality
ROCKOLA JUKEBOX AMPLIFIER TUBE KIT FOR MODELS 1455 1458 1462 AND 1465
ROCKOLA JUKEBOX AMPLIFIER TUBE KIT FOR MODELS 1455 1458 1462 AND 1465
$115.00
quality
ROCKOLA JUKEBOX AMPLIFIER TUBE KIT FOR MODEL 1484 AND 1494 STEREO AMPS
ROCKOLA JUKEBOX AMPLIFIER TUBE KIT FOR MODEL 1484 AND 1494 STEREO AMPS
$110.00
quality
ROCKOLA JUKEBOX AMPLIFIER TUBE KIT FOR MODELS 1488 1493 1495 1496 1497 1498
ROCKOLA JUKEBOX AMPLIFIER TUBE KIT FOR MODELS 1488 1493 1495 1496 1497 1498
$185.00
quality
WURLITZER JUKEBOX AMPLIFIER TUBE KIT FOR 1250 1400 1450 AMPS 510 514
WURLITZER JUKEBOX AMPLIFIER TUBE KIT FOR 1250 1400 1450 AMPS 510 514
$98.00
quality
WURLITZER JUKEBOX AMPLIFIER TUBE KIT FOR 1500 AND 1550 AMP MODEL 516 ONLY
WURLITZER JUKEBOX AMPLIFIER TUBE KIT FOR 1500 AND 1550 AMP MODEL 516 ONLY
$98.00
quality
WURLITZER JUKEBOX AMPLIFIER TUBE KIT FOR 1500A AND 1550A AMP MODEL 520 ONLY
WURLITZER JUKEBOX AMPLIFIER TUBE KIT FOR 1500A AND 1550A AMP MODEL 520 ONLY
$125.00
quality
WURLITZER JUKEBOX AMPLIFIER TUBE KIT FOR 1600 AND 1650 AMP MODELS 518 AND 526
WURLITZER JUKEBOX AMPLIFIER TUBE KIT FOR 1600 AND 1650 AMP MODELS 518 AND 526
$125.00
quality
WURLITZER JUKEBOX AMPLIFIER TUBE KIT FOR 1700 AMP MODEL 524
WURLITZER JUKEBOX AMPLIFIER TUBE KIT FOR 1700 AMP MODEL 524
$125.00
quality
WURLITZER JUKEBOX AMPLIFIER TUBE KIT FOR 1800 AMP MODEL 528
WURLITZER JUKEBOX AMPLIFIER TUBE KIT FOR 1800 AMP MODEL 528
$139.00
quality
ROCKOLA JUKEBOX AMPLIFIER TUBE KIT FOR MODELS 1468 AND 1475 STEREO ONLY
ROCKOLA JUKEBOX AMPLIFIER TUBE KIT FOR MODELS 1468 AND 1475 STEREO ONLY
$175.00
quality
ROCKOLA JUKEBOX AMPLIFIER TUBE KIT FOR MODELS 1478 AND 1485 STEREO
ROCKOLA JUKEBOX AMPLIFIER TUBE KIT FOR MODELS 1478 AND 1485 STEREO
$180.00
quality
ROCKOLA JUKEBOX AMPLIFIER TUBE KIT FOR MODELS 404 408 414 418
ROCKOLA JUKEBOX AMPLIFIER TUBE KIT FOR MODELS 404 408 414 418
$185.00
quality
ROCKOLA JUKEBOX AMPLIFIER TUBE KIT FOR MODEL 435
ROCKOLA JUKEBOX AMPLIFIER TUBE KIT FOR MODEL 435
$110.00
quality
ROCKOLA JUKEBOX AMPLIFIER TUBE KIT FOR MODEL 429
ROCKOLA JUKEBOX AMPLIFIER TUBE KIT FOR MODEL 429
$110.00
quality
AMI JUKEBOX AMPLIFIER TUBE KIT FOR MODEL A WITH AA SILVER AMP
AMI JUKEBOX AMPLIFIER TUBE KIT FOR MODEL A WITH AA SILVER AMP
$80.00
quality
AMI JUKEBOX AMPLIFIER TUBE KIT FOR MODEL B WITH BB BLACK AMP
AMI JUKEBOX AMPLIFIER TUBE KIT FOR MODEL B WITH BB BLACK AMP
$80.00
quality
AMI JUKEBOX AMPLIFIER TUBE KIT FOR MODEL C WITH CC AMP
AMI JUKEBOX AMPLIFIER TUBE KIT FOR MODEL C WITH CC AMP
$90.00
quality
WURLITZER JUKEBOX 501 OR 700 AMPLIFIER AMP TUBE KIT 750 780 850 950 AND SIMILAR
WURLITZER JUKEBOX 501 OR 700 AMPLIFIER AMP TUBE KIT 750 780 850 950 AND SIMILAR
$95.00
quality
WURLITZER JUKEBOX 503 AMPLIFIER AMP TUBE KIT FOR 1015 AND 1080
WURLITZER JUKEBOX 503 AMPLIFIER AMP TUBE KIT FOR 1015 AND 1080
$85.00
quality
WURLITZER JUKEBOX 534 AMPLIFIER AMP TUBE KIT FOR 2300 2304 2310 STEREO
WURLITZER JUKEBOX 534 AMPLIFIER AMP TUBE KIT FOR 2300 2304 2310 STEREO
$239.00
quality
WURLITZER JUKEBOX 538 AND 542 AMPLIFIER TUBE KIT FOR STEREO MODELS 2400 2500
WURLITZER JUKEBOX 538 AND 542 AMPLIFIER TUBE KIT FOR STEREO MODELS 2400 2500
$225.00
quality
WURLITZER JUKEBOX 540 AMPLIFIER TUBE KIT FOR MONO MODELS 2500 2504 2510
WURLITZER JUKEBOX 540 AMPLIFIER TUBE KIT FOR MONO MODELS 2500 2504 2510
$99.00
quality
SEEBURG JUKEBOX AMPLIFIER TUBE KIT MODEL 25PAU FOR L100 KS200 AND KD200
SEEBURG JUKEBOX AMPLIFIER TUBE KIT MODEL 25PAU FOR L100 KS200 AND KD200
$95.00
quality
SEEBURG JUKEBOX AMPLIFIER TUBE KIT MODEL HFMA 2 FOR 101 161 201
SEEBURG JUKEBOX AMPLIFIER TUBE KIT MODEL HFMA 2 FOR 101 161 201
$95.00
quality
WURLITZER 1100 JUKEBOX 506 AMPLIFIER AMP TUBE KIT
WURLITZER 1100 JUKEBOX 506 AMPLIFIER AMP TUBE KIT
$125.00
quality
WURLITZER JUKEBOX AMPLIFIER TUBE KIT 1900 2000 2100 2200 2300 2400 530 532 536
WURLITZER JUKEBOX AMPLIFIER TUBE KIT 1900 2000 2100 2200 2300 2400 530 532 536
$119.00
quality
SEEBURG JUKEBOX AMPLIFIER TUBE KIT MODELS G R V VL J  JL MRA 4 MRA 5 HFMA 1
SEEBURG JUKEBOX AMPLIFIER TUBE KIT MODELS G R V VL J JL MRA 4 MRA 5 HFMA 1
$135.00
quality
WURLITZER JUKEBOX 800 AMPLIFIER AMP TUBE KIT
WURLITZER JUKEBOX 800 AMPLIFIER AMP TUBE KIT
$120.00
quality
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Amplifier Tube

Amplifier+Tube

Frequently Asked Questions...

How often should guitar amplifier tubes be replaced?


Best Answer...

Answer:

It completely depends on how often you play, how loud you play, and how correctly biased your amp is.

Pre-amp tubes can be used until they either burn out (rare) or become microphonic. If you notice a squeal when you turn up your preamp gain, excessive noise, or strange ghost tones, it's probably time to replace the preamp tubes.

Power tubes are a little trickier (unless they just fail out right). They degrade slowly over time, so you might not notice it until your sound gets really bad.

One thing you can look for is the physical appearance of the tube while it's running. If it has a blue haze inside of it, then the seal on the tube is breaking down and air is getting in. Time to replace it.

If one tube is glowing significantly brighter than the rest, then that's another indication that the tube is on it's last legs.

With power tubes, it's also best to replace them as a set. In amps with Class AB power sections, each tube (or pair of tubes) works to produce one half of the waveform. If you got new tubes on one side of the signal, and old tubes on the other side it's not going to sound right.

If you amp has adjustable bias, it's always good to get that checked as well when the tubes get changed out.

That all said, some folks can go a few years between changes. People like James and Kirk in Metallica will need to have their power tubes changed every 8 weeks or so.

Good luck.

Greetings from Austin, TX

Ken


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