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T-7025-HG-TAD7025 – Tube Amp Doctor, High Gain
7025 HIGHGRADE TAD Premium Selected
Warm, clean tone with creamy overdrive!
PREMIUM selected quality for the most demanding amp stages. This tube works greatly for warm clean tones and creamy overdrive. We recommend this tube for the 1st gain stage and as input tube. It upgrades 12AX7A and ECC83 tubes and replaces E83CC tubes.
The HIGHGRADE Selection is the tip-of-the-top quality at the lowest noise (microphony, hum, hiss) level. Tipically only 0,5-2% out of the whole production of this tube meet the HIGHGRADE requirements.
NOTE: due to extreme demanding TAD-Selection criteria, the availability of this tube is limited. Please check the information about availability.
The TAD 7025 Highgrade can replace any ECC83, E83CC, 12AX7, 12AX7A, 12AX7M, 12AX7WA/WB/WC/LPS/EH, 5751 or 7025.
In case this tube is currently not available, we recommend as replacement tube: RT080
$33.00
$29.70
You save: 10%
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T-5751-HG-TAD5751 – Tube Amp Doctor, High Gain
5751 HIGHGRADE TAD Premium Selected
The HIGHGRADE Selection is the tip-of-the-top quality with lowest noise (microphony, hum, hiss) level. Typically only 1-5% out of the whole production yield make it to meet the HIGHGRADE requirements.
Especially this low-noise tube is recommended for best clean tone with big bottom, warm midrange and silky top end.
Performs great for HiFi too! Replaces any 12AX7A/WA, ECC83, 7025 etc.
The TAD 5751 HIGHGRADE is the first choice for vastly improving the clarity, smoothness, and vintage tone character of most guitar amps! It still has plenty of gain so if you have a high-gain preamp that does not have that classic crunch characteristic, the 5751 tube will work wonders.
In hifi preamps and CD players, the TAD 5751 HIGHGRADE will lower noise floor and sound smoother and clearer in place of many 12AX7 tubes.
$26.50
$23.85
You save: 10%
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T-12AY7-HG-TAD12AY7 - TAD Tubes, Highgrade
12AY7/6072A HIGHGRADE TAD Premium Selected
Tweed Up Your Amp!
Vintage tone for original vintage Fender tweed amps. The original tube for all those Fender® tweed amps from the 50s. Brings back the original sound to your tweed amp.
Q: When does a preamp tube become a Premium Selected tube?
A: All preamp tubes labeled Premium Selected have passed the following tests:
- Low Noise Test
- Microphonic Test
- Gain Test
- Sonic Tests
- Shock Tests
- Listening Tests
- Balanced Output Test
$24.50
$22.05
You save: 10%
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T-5751-PS-TAD5751 – Tube Amp Doctor, Premium Selected
5751 TAD Premium Selected
Low-noise Tube for Best Clean Tone!
The TAD Selected 5751 is our first choice for noticeably improved clarity, smoothness, and a true vintage tone character for most guitar amps! There will still be plenty of gain - so if you own a high-gain preamp that does not have these classic crunch characteristics, the 5751 tube will work wonders. In hi-fi preamps and CD players, the TAD selected 5751 will lower the noise floor and sound smoother and clearer than many 12AX7 tubes.
Especially this low-noise tube is recommended for best clean tone with big bottom, warm midrange and silky top end. Performs great for HiFi too! Replaces any 12AX7A/WA, ECC83, 7025 etc.
NOTE: SRV used a 5751 to improve his clean tone with vintage Fender amps producing that thick and three-dimensional bold tone.
$21.50
$19.35
You save: 10%
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T-7025WA-TAD7025-WA - Tube Amp Doctor, High-Grade, Premium Selected

The TAD 7025 WA delivers full gain with smooth top end. No microphonic issues even with the most sensitive preamps. The 7025 WA supports a fat midrange and creates a bold tone with lots of overtones. Played clean the TAD 7025 WA delivers a warm liquid tone which is very responsive to dynamic playing. Overdriven the 7025 WA provides lots of sustain with well defined mid-range punch.


$19.95
$17.96
You save: 10%
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T-12AY7-PS-TAD12AY7 - TAD Tubes, Premium Selected
12AY7/6072A TAD Premium Selected
Tweed Up Your Amp!
Vintage tone for original vintage Fender tweed amps. The original tube for all those Fender® tweed amps from the 50s. Brings back the original sound to your tweed amp.
Q: When does a preamp tube become a Premium Selected tube?
A: All preamp tubes labeled Premium Selected have passed the following tests:
- Low Noise Test
- Microphonic Test
- Gain Test
- Sonic Tests
- Shock Tests
- Listening Tests
- Balanced Output Test
$18.50
$16.65
You save: 10%
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T-12BH7A-TAD12BH7A-STR - Tube Amp Doctor, Premium Selected
The all-new TAD 12BH7A-STR combines the best sonic and mechanical performance of the NOS RCA black plate with advantages of the GE version. A maximum of reliability with outstanding tonal quality makes the new balanced selected TAD 12BH7A-STR the first choice for Ampeg SVTs, the Blackstar HT-5 and high-end applications.
$17.50
$15.75
You save: 10%
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T-12AX7-PS-TAD12AX7 - Tube Amp Doctor, Premium Selected
9 pin miniature preamp tube (Amplification Factor =100). This is the ubiquitous Chinese 12AX7 with premium selection. The gain is high and the German Tube Amp Doctor must be filtering out the noisiest ones. Premium selected by Tube Amp Doctor, this is a quiet Chinese 12AX7 with high gain that will bring a dull sounding amp back to life.
$16.95
$15.26
You save: 10%
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T-12AT7-TAD12AT7/ECC81-C - Tube Amp Doctor, Premium Selected
Low noise tube, selected for best symmetry and balance. A strong driver tube and a wounderfully rich-sounding reverb driver.
Also used in the great Brocksieper EARMAX / EARMAX PRO headphone amps and other High-End Audio amplifiers.
$15.25
$13.73
You save: 10%
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T-ECC83WA-TADECC83-WA - Tube Amp Doctor, Premium Selected
The new TAD ECC83 WA Selected provides a stunning warm tone, thick midrange and sweet natural overtone harmonics. It has been designed by TAD with triple mica construction for low noise performance. Perfect for clean or moderate gain preamps as well as for high-gain amps from V2 position.
It's great dynamics, low noise operation and balanced warm tone makes the TAD ECC83 WA to be an excellent all-rounder with great value for money.
$14.25
$12.83
You save: 10%
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