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Electro Harmonix replacement tubes kit for the Sunn Spectrum I. Standard set. 1x 12AX7 EH, 1x 7199, 2x 6CA7 EH Platinum Matched.

Sovtek replacement tubes kit for the Sunn Spectrum I. Standard set. 1x 12AX7LPS Sovtek, 1x 7199, 2x 6CA7 EH Platinum Matched.

Tungsol replacement tubes kit for the Sunn Spectrum I. Standard set. 1x 12AX7 Tungsol, 1x 7199, 2x JJ 6CA7 Platinum Matched.

Recommended for use in HiFi amps or to push driver stages in instrument amplifiers.

Lots of gain, tight bass, punchy mids and silky top end. Sound stays well defined with a beautiful brightness. Selected tube that is recommended for improving the overall response of tube amps.

Vintage tweed sound out of the box. Recommended upgrade in Tweed style amps.

Asymmetric double triode.

This is a popular 5881 made in Russia. Modern, aggressive character, very dependable with slightly less power than most 6L6GC tubes.

5U4GB with a straight bottle.

This is a heavy duty remake of the classic 6550A tube with a heavy straight glass envelope and polished middle base. Popular choice for bass guitar amps and high end HiFi applications.

This is a heavy duty remake of the classic 6550A tube with a heavy straight glass envelope and polished middle base. Popular choice for bass guitar amps and high end HiFi applications.

This is the high end version of the ECC88 or 6DJ8. Selected for balanced audio output and low noise.

This is a reproduction of the clear top tube with TAD's black plate anode system. Rich, natural tone, smooth top end, tight bass and complex midrange. Rugged internal construction surrounded by extra heavy glass. This is a prime choice for Fender, Boogie or Engl amps.

A heavy duty 6V6GT tube that is capable of handling a higher plate current. Recommended for Deluxe Reverb amps. This tube has a sweet tone with silky heighs.

The TAD 6V6GT-STR is a prime choice for the NOS-like 'sweet top end' tone, while surprising with a tight bass response and a very powerful sound. It is an ideal match for Class A amps like the Fender Tweed Champ, Champion 600 or the Vibro-Champ. Furthermore it excels as reverb driver tube in Fender Vibroking amps and Dual Professionals.

Dynamic highs, creamy sustain. Selected as preamp tubes for a warm, defined tone. Recommended for the first gain stage. Upgrades 12AX7A and ECC83 tubes. Replaces E83CC tubes.

This very heavy duty version of the 7027A is perfect for Ampegs and many HiFi amps.

Pair of test adaptors for measuring EL84 tubes. The test adaptors can be used with the TAD Bias Master.

Testing tool with backlighted display and four octal measurement adaptors. Measures the bias current of any 6L6GC, 5881, KT66, EL34, KT88 and 6550.

Wonderfully powerful EL34 with a great British Rock'n'Roll tone.

This is a long plate ECC83 / 12AY7A in the tradition of the famous vintage ECC803S. This tube has 1dB less gain than the TAD ECC83-CZ but better definition and detailed tonal response. Recommended choice for HiFi.

Very quiet, low noise and dependable pentode.

One of the most powerful EL84 tubes available. It delivers a big punch and dynamic tone.

Thick glass and heavy duty construction can be found on this tube. Gold grid wire limits stray characteristics and improves overall reliability. Highest grade audiophile quality sound and construction.