3 round plate Tung-Sol 6SL7GT tubes

 

Made in the U.S. and of vintage production.

 

Very good testing and great sounding tubes!
Free from gas, shorts and grid emission.

Listened in circuit:

All are quiet with no noise or microphonics.

Clean pins and glass. Center keyways intact.

Grey plates. Tight bases with no cracks.

 

 

TV-7D test results:

Tube 1- Gm: 52/52.

Tube 2- Gm: 48/45.

Tube 3- Gm: 40/42.

 

Minimum is 32.

 

AT1000 test results:

Tube 1- Gm: 1500/1500 µmohs. Ip: 2.1/2.0 mA.

Tube 2- Gm: 1400/1300 µmohs. Ip: 1.9/2.2 mA.

Tube 3- Gm: 1200/1300 µmohs. Ip: 1.7/1.9 mA.

 

Minimum good 6SL7 tube per section- 1040 µmohs, 1.4 mA.

Nominal, new 6SL7, per section- Gm: 1600 µmohs, 2.3 mA +- 10%.

Test parameters- 250v plate, -2.0v grid bias.

 

 

In conclusion-


 

3 very good testing Tung-Sol 6SL7GT tubes.

An excellent addition to anyone's collection!

 

All items are 100% guaranteed to arrive as represented for 30 days upon arrival.

I offer a full refund if you are not satisfied.

 

We've been selling vintage electronics since 1999 with

perfect ebay feedback and many happy, satisfied customers.

 

All items professionally packed to arrive safely with no extra handling costs.

Our mission is to offer quality-tested tubes to make you happy with your purchase.

 

Terms & Conditions:

 

Payment must be received within 3 days of sale date.

Items described to the best of my ability.

Shipped by U.S. Priority Mail.

 

If you have questions, please contact us BEFORE purchasing.

 

Thank you!