2 RCA UX-245 balloon triode tubes Amplitrex tested fair used 45

Description

2 RCA UX-245 balloon triode tubes
Welcome to another Vintage-Electric listing!
*All my tubes are 100% guaranteed*
Up for sale are two RCA UX-245 triode tubes.
Made in the U.S. and of vintage production.
Both test as used tubes. One tests fairly decent, the other closeer to minimum.
Being sold AS-IS.
No gas, shorts, or grid emission.
Both are quiet with no noise and no microphonics
(listening to tubes while tapping them during AT1000 tests).
Clean pins and glass. Tab foil getters. Excellent gettering. Bases tight with no cracks.
Hot-stamped bases.
No large chunks loose inside. Both have very good gettering.
Tested at real operating voltages on an
Amplitrex AT1000 tester in fixed bias mode.
Tubes ran-in for 20 min. before tests to ensure stability.
AT1000 test results:
Tube #1, 1500 µmohs, 28.2 mA.
Tube #2, 1340 µmohs, 22.2 mA.
Nominal, new 45 range-
Gm: 1800-2000 µmohs, Ip: 28-35 mA.
Minimum good 45 tube-
~
1150 µmohs
.
45 test parameters-
275v plate, -56v grid bias.
In conclusion-
These test used tubes
. Being sold AS-IS.
All my items are
100% guaranteed
to arrive as represented only. All items are professionally packed to arrive safely with no extra handling costs.
All tube pins are treated with De-Oxit and cleaned with a fine wire brush. Tubes are tested for GM & plate current on an
Amplitrex AT1000 in fixed bias mode
or a calibrated
Hickok TV-7D/U.
I've been selling vintage electronics since 1999 with perfect ebay feedback and many happy, satisfied customers.
Terms & Conditions:
Payment must be received within 3 days of the auction end date. Items described to the best of my ability.
Items 100% guaranteed to arrive safely and test as represented only.
Being sold AS-IS. No wattanties are inmplied. All items will be shipped by U.S. Priority Mail.
Delinquent buyers will be reported to ebay. No extended warranties are implied on any item.
If you have questions, please
contact me
BEFORE bidding. By bidding you confirm that you have read, understand and accept these terms and conditions.
Thank you and happy bidding!