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Genalex Gold Lion KT88 - matched pair

Genalex Gold Lion KT88 - matched pair
Manufacturer: Genalex Gold Lion
The 1970s Genalex Gold Lion KT88 power tubes in this precision matched pair have black plates, 3 getters, and metal collar bases (one tube has some scratches in the metal base). The original decals are missing and the white print on the glass is faded (on tube has the "7822" date code).

Tubes are used but test strong. They are matched for both current draw (46.9 mA & 48.0 mA) and transconductance (93% & 96% Gm). They ship in new white boxes with test results.

It is very hard to find matched pairs of vintage power tubes like these—grab them while supplies last!
These tubes are sold as a matched pair (2 tubes). Photo is of the actual tubes.

Precision Power Tube Matching

Our power tubes are burned in for 48 hours and tested on a laboratory grade Amplitrex AT1000 tube tester (fixed bias mode, manual setting). They are screened for shorts, gas, leakage, and noise. We test and match tubes for both current draw (mA) and transconductance (Gm) at typical operating conditions for no extra charge.

The questions listed below allow you to provide information about your operating conditions that will help us select the best matched set of power tubes for your amplifier. Why this matters
What is the manufacturer and model of your amplifier?
Price per matched set: $379.00
1 matched pair in stock

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The 1970s Sylvania 6550 power tubes in this matched pair have welded gray plates, 3 getters, and metal collar bases. The blue or green print on the glass has the PhilipsECG. Click "more info" for test restuls.
TC Tubes specializes in precision testing and matching of vintage and new production vacuum tubes for guitar & bass players, audiophiles, and DIY tube audio enthusiasts. Our website features secure payment options and fast, convenient shipping around the world.

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