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Vacuum Tubes

The first electronic amplification of sound was done with Vacuum Tubes. We have pre-amp, power and rectifier vacuum tubes among other types in New Old Stock from the golden era of American & European manufacturing as well as current production tubes from today.

Tube Amp Doctor (TAD) - TAD is a German company established in 1993 which selects and matches electronic tubes and manufactures musical instrument accessories.
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T-6L6WGC-TAD-XVacuum Tube - 6L6WGC, Tube Amp Doctor

The Classic Sound of the 1950s and 60s - Excellent Tone, Maximum Lifetime! The perfect choice for vintage tweed and blackface amps such as the 1960 Bassman, Twin, Showman or Super Reverb. The complex midrange and sweet heights are a class of its own. The TAD 6L6WGC-STR is our recommendation for classic tone with warm cleans and rich, sweet mids when pushed. Great for fat jazz or blues tones.


Starting at $26.55
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T-12AX7-PS-TADVacuum Tube - 12AX7A-C / ECC83, Tube Amp Doctor, Premium Selected

9 pin miniature preamp tube (Amplification Factor =100). Very good gain, tight deep bass, fat mids and silky top end with overall definition and brightness. Selected with balanced systems and recommended for guitar amps to improve overall response.


$19.35
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T-EL84-TAD-XVacuum Tube - EL84, Tube Amp Doctor

Tube Amp Doctor opted for the thickest glass possible and the heaviest construction available, just like the Russian EL84M, and combined these features with the sonically most promising cathode plate option. The sound can be described as very harmonic in the middle and treble frequencies, without adding too much power to the bass.


Starting at $18.90
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T-5Y3GT-TADVacuum Tube - 5Y3GT, Tube Amp Doctor, Premium Selected, Rectifier

The Tube Amp Doctor 5Y3GT / 6087 is a small bottle rectifier designed to perform closely to the original rectifier tubes used in many 1950s tweed amplifiers. This rectifier offers high reliability due to its rugged construction and the Tube Amp Doctor Premium Selection process. The TAD 5Y3GT is a great tube for vintage style sag compression.


$16.65
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T-5AR4-STR-TADVacuum Tube - 5AR4 STR, Tube Amp Doctor

Tube Amp Doctor 5AR4 Rectifier, Premium Selected. A faithful reproduction of the Mullard/VALVO GZ34. Pure power and the typical sag is the distinguishing characteristic of the most popular guitar amps of the 1960s guitar heroes till today.


$27.90
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T-12AT7-TADVacuum Tube - 12AT7 / ECC81-C, Tube Amp Doctor, Premium Selected

Rich-sounding Reverb Driver - Also Great for Headphone Amps! Low noise tube, selected for best symmetry and balance. A strong driver tube and a wounderfully rich-sounding reverb driver.


$17.82
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T-7025WA-TADVacuum Tube - 7025-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.


$22.95
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T-7025-HG-TADVacuum Tube - 7025, Tube Amp Doctor, High Grade

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. Typically only 0.5-2% out of the whole production of this tube meet the HIGHGRADE requirements.


$33.12
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T-5751-PS-TADVacuum Tube - 5751, Tube Amp Doctor, Premium Selected

Low-noise Tube for Best Clean Tone! The TAD Selected 5751 is Tube Amp Doctor's first choice for noticeably improved clarity, smoothness, and a true vintage tone character for most guitar amps!


$21.15
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T-KT66-TAD-XVacuum Tube - KT66, Tube Amp Doctor, Premium Selected

The Tube Amp Doctor KT-66 is an incredible remake of the classic British tube. With its large glass envelope contoured by smooth curves tapering into a rounded brown base, the TAD KT-66 not only looks like the original, it performs like the original. This KT66 offers plenty of headroom for a thick full bodied sound with smooth yet articulate highs. The KT-66 is famously used in vintage British plexi amps and makes a great replacement for that style of amplifier and many others. The TAD KT66 is matched for both plate current and transconductance and passes all of the tests of the TAD Premium Selection process. The TAD KT-66 can be used in any KT-66 position as well as 6L6GC and 5881 amps that can supply the required 1.27A for the heater.


Starting at $32.40
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