FOR SALE: platinum matched pair SYLVANIA 6SN7 GTB
Item #649126050Info: platinum matched pair SYLVANIA 6SN7 GTB
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||8 - Very good (?)
Jul 15, 17 10:22am (PST)
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|Days in System:||96|
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********SYLVANIA 6SN7 GTB,PLATINUM MATCHED PAIR(less than 7% tube-tube of their transconductance and plate current).Most of the print were rub-off but Guaranteed made by Sylvania.TWICE TESTED,1ST) NO SHORTS,NO GAS AND STRONG TRANSCONDUCTANCE,2nd) audio tested using my modified Dynaco Pass II for hum,noise and microphonics HAVING,
tube1) 2700/2800 uSiemens & 7.2/7.4 ma.
tube2) 2700/2750 uSiemens & 7.1/7.3 ma.WHERE 2100/2100usiemens IS MINIMUM AND NOS START AT 2600/2600 uSiemens with Hickok Tube Tester but I only sell 2700/2700 or higher.SEND EMAIL,firstname.lastname@example.org.
NOTE: tubes without test results is not sound decision and AD's that say's "Test good or test strong" in vacuum tubes is not enough,invest wisely and avoid surprises
*****free SHIPPING WITHIN USA MAINLAND,No Paypal fees & Questions are always welcome.
>>>>>Payment,FREE USA S&H ;Send it to Paypal acct# email@example.com & we'll send tubes as soon as payment is received.
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