4 X 12AX7A Raytheon - Baldwin Tubes Long Black Plates
Item History & Price
| Reference Number: Avaluer:29734318 | Modified Item: No |
| Brand: Raytheon | Custom Bundle: No |
| Non-Domestic Product: No | Type: Vacuum Tube |
4 x 12AX7A Raytheon Tubes
Made in USA for Baldwin
Long Ribbed Black plates
O getter
The lettering is smudged/worn
Tested on Enhanced Triplet E3444 Laboratory Tester prepared by Paul Hart of Ga.
970/1050 micromhos @ .46/.54 mA
970/1080 micromhos @ .41/.52 mA
1000/960 micromhos @ .49/.45 mA
860/910 micromhos @ .33/.38 mA
Bogey(100%) = 1600/1600 micromhos @ 1.2/1.2 mA +/- 10%
I do combine shipp...ing
***
The measurements in this listing were taken on aTriplett 3444 modified to test the tube in strict accordance with RMA/EIAspecifications, utilized by all US (and most foreign) tube manufacturers. The test is of actual transconductance (gm)with the tube under the quiescent conditions specified for it. Most tube testers cannot not apply the testconditions required to provide a valid gm test; in addition, many provide asurrogate gm test. For moreinformation, please contact us.
***
S&H to China, Italy and a few other countries will require a Tracking # and will cost a minimum of $31, depending on weight.
00430
Made in USA for Baldwin
Long Ribbed Black plates
O getter
The lettering is smudged/worn
Tested on Enhanced Triplet E3444 Laboratory Tester prepared by Paul Hart of Ga.
970/1050 micromhos @ .46/.54 mA
970/1080 micromhos @ .41/.52 mA
1000/960 micromhos @ .49/.45 mA
860/910 micromhos @ .33/.38 mA
Bogey(100%) = 1600/1600 micromhos @ 1.2/1.2 mA +/- 10%
I do combine shipp...ing
***
The measurements in this listing were taken on aTriplett 3444 modified to test the tube in strict accordance with RMA/EIAspecifications, utilized by all US (and most foreign) tube manufacturers. The test is of actual transconductance (gm)with the tube under the quiescent conditions specified for it. Most tube testers cannot not apply the testconditions required to provide a valid gm test; in addition, many provide asurrogate gm test. For moreinformation, please contact us.
***
S&H to China, Italy and a few other countries will require a Tracking # and will cost a minimum of $31, depending on weight.
00430
