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2 RCA JAN-CRC-6SN7GT VT-231
smoked glass tubes
Made in the U.S. and of 1944 production.
Strong testing and great sounding tubes.
Free from gas, shorts and grid emission.
Voiced in preamp circuit. Quiet. No noise or microphonics.
Close readings in Gm. Matched sections.
1944 date codes:
H3E (May-Jun), H2E (Mar-Apr).
Clean pins and glass.
Tight bases w/ no cracks. Center keyways intact.
Smoked glass “Aquadag” coating.
Black staggered plates.
Copper grid posts.
Top round mica with bracing “wings”.
Dual-tested on a calibrated TV-7D and at
real operating voltages on an Amplitrex AT1000 in fixed-bias mode.
Tubes ran-in 5 min ea. Before tests to ensure stability.
TV-7D test results:
Tube 1- Gm: 96/96.
Tube 2- Gm: 99/98.
Minimum good: 50.
AT1000 6SN7 test results:Tube 1- Gm: 2500/2500 µmohs. Ip: 8.4/9.0 mA.
Tube 2- Gm: 2500/2500 µmohs. Ip: 8.0/7.2 mA.Minimum good 6SN7, per section- 1600 µmohs, 5.5 mA.
Nominal, new 6SN7, per section- 2600 µmohs, 9.0 mA +-10%.
Test parameters- 250v plate, -8.0v grid bias.
In conclusion-
Two strong testing 1944 RCA JAN-CRC-6SN7GT’s.
An excellent addition to anyone's collection.
Full refund of the returned tubes if you are not satisfied.
All items in this sale include a 30-day 100% satisfaction guarantee.
If you are unhappy with your purchase for any reason,
you can return the item for a full refund.We've been selling vintage electronics since 1999 with
perfect response and many happy, satisfied customers.
All items professionally packed to arrive safely with no extra handling costs.
Our mission is to offer quality-tested items to make you happy with your purchase.If you have any questions or wish to open a return, PLEASE contact us directly beforehand.
We will reply within 24 hoursto remedy your situation with direct communication.
Thank you!
