Description: Vintage Tung Sol EL84 6BQ5 Vacuum Tube Very Strong 🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼Tested on an enhanced Triplet E3444 Laboratory Tester prepared by Paul Hart of Roswell, GA Industry Bogey transconductance = 11,300µmhos Industry Bogey plate current = 48mA Results = pictured The measurements in this listing were taken on a Triplett 3444 modified to test the tube as an amplifier in accordance with RMA/EIA specifications, utilized by all US and most foreign tube manufacturers. This tester applies test conditions for this tube (including the precise filament voltage) and then measures transconductance (gm) in accordance with the engineering definition of gm. Tubes may also be operated under the test conditions for extended periods to be sure that it is stable. A tube must be tested in this manner to compare its test results with the manufacturer’s original intent or with other tubes of the same type. Most tube testers do not apply the test conditions required or conduct a valid gm test. For more details on the test and our test equipment, please contact us. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Shipping $6 USAI have many other types of tubes ~ No Additional Shipping Charges ~ Just search my storeAll tubes are Guaranteed ~~~~ Please click on the link below to view more items in my store. ~~~~~~~~ GreenGirl's Guaranteed VintageTubes800
Price: 29.99 USD
Location: Matawan, New Jersey
End Time: 2025-02-13T15:06:10.000Z
Shipping Cost: 6 USD
Product Images
Item Specifics
Restocking Fee: No
Return shipping will be paid by: Buyer
All returns accepted: Returns Accepted
Item must be returned within: 14 Days
Refund will be given as: Money Back
Brand: Zenith
Type: Vacuum Tube
Model: Zenith Siemens EL84 6BQ5
