NICE/RARE ITEMS AND GOOD SERVICES AREN'T CHEAP AND NEVER ARE THEY FREE!!! BUT, WE STRIVE FOR 100% CUSTOMER SATISFACTIONS AND OUR EBAY FEEDBACKS & INTERNATIONAL REPEATED REFERALS SPEAK FOR THEMSELVES!!!
OUR EBAY TRANSACTIONS REPRESENT ABOUT 10% OF OUR OVERALL BUSINESS VOLUME, WHICH THE REST (OF THE 90%) ARE DIRECT AND VIA REFERALS!
LOCAL AUDITION & DELIVERY ARE POSSIBLE & NEGOTIABLE.
POTENTIAL/SERIOUS BUYERS ARE WELCOMED TO COME AND AUDIT FOR COMPLETE SATISFACTION.
FOR SALE IS ONE PAIR OF 6SN7-GTB VACUUM TUBES - RCA BRAND IN WHITE BOXES.
THE SALE IS FOR ONE MATCHED PAIR (2 TUBES) - TESTED ON MAXI-TEST MAXI-PREAMP AFTER 72 HRS BURN-IN ON A CUSTOM RIG.
THE MATCHING TEST RESULTS ARE BELOW: (TRIODE-1 / TRIODE-2)
#1 GAIN ==> 20.8 / 20.4
#1 Gm ==> 1980 / 2060 uMhos
#1 NOISE ==> -77 / -80 dBV
#2 GAIN ==> 20.5 / 20.1
#2 Gm ==> 1940 / 2060 uMhos
#2 NOISE ==> -77 / -77 dBV
ALSO TESTED IN A CALIBRATED TRIPLETT 3444.
TEST PARAMETERS ARE 250V PLATE & -8V GRID PER THE ORIGNAL DATASHEET.
Gm RANGE IS 1825 / 2200 / 2575 uMho's (MIN / TYP / MAX ) AND PLATE CURRENT RANGE IS 4.8 / 6.5 / 8.2 mA.
#1 Gm ==> 2540 / 2730 uMhos
#1 Ip ==> 7.2 / 8.0 mA
#2 Gm ==> 2470 / 2630 uMhos
#2 Ip ==> 7.3 / 7.3 mA
IF THE BUYER CANNOT TEST THE TUBES IN THE SPECIFIED CONDITIONS AND ARE UNFAMILIAR WITH THE ACTUAL WORKING OF TUBE EQUIPMENT - PLEASE DO ME A FAVOR AND "DO NOT" PURCHASE THESE TUBES. I DON'T WASTE MY TIME BACK & FORTH WITH UNINFORMED BUYERS!!!
STABLE & SOLID READINGS. NO LEAKS. NO GAS. NO GRID/SCREEN CURRENTS. ETC.
I HAVE SEVERAL CUSTOM & STANDARD RIGS - INCLUDING MAXI-MATCHER & AMPLITREX & CUSTOM TEST/BURN-IN RIGS - TO MATCH TUBES CLOSE TO REAL PLATE VOLTAGE IF DESIDED!
I WELCOME LOCAL PICK-UPS, BUT CASH PAYMENT ONLY PLEASE - UNLESS PRIOR ARRANGEMENTS HAVE BEEN AGREED UPON REGARDING PAYMENT METHOD ACCEPTED. DIRECT CREDIT CARD BILLINGS IS AVAILABLE, WITH THE SAME APPLICABLY STATED SALES TERMS.
LOCAL PICK-UPS OR SHIPPING TO CA/AZ DESTINATIONS ARE SUBJECTED TO CA/AZ SALES TAX.
ITEMS ARE FOR SALE AT SEVERAL VENUES AS WELL AS LOCALLY. THUS - AS ALONG AS THERE ARE NO EXPLICIT AND/OR OUTSTANDING EBAY'S BIDS/OFFERS, THESE ITEMS ARE ON A 1ST-COME 1ST-SERVE BASIS.
ANY CURVES IN THE PICTURES ARE DUE TO THE DISTORTION IN MY CAMERA'S CLOSE-UP LENS. NO ISSUES WHATSOEVER.
ANY QUESTIONS, PLEASE CONTACT ME THROUGH EBAY'S MESSAGE SYSTEM. THANKS.
WE CAN BOX/CRATE THESE UNITS UP AND SHIP TO ANY DESTINATION, AS LONG AS THE BUYER PAYS FOR THE SHIPPING AND FULL INSURANCE COSTS. WE USE FEDEX DOMESTIC & INTERNATIONAL SERVICES OR AIR/OCEAN FREIGHT SERVICES FOR ITEMS OVER 150lb. PLUS, WE CAN ALSO USE THE BUYER'S OWN CARRIER (HOWEVER, THIS SHIPMENT WOULD THEN BE F.O.B IN THIS CASE AND WE ARE NOT RESPONSIBLE AFTER THE CARRIER'S PICK-UP).
WORLDWIDE SHIPPING. INTERNATIONAL SHIPMENT IS MORE EXPENSIVE SINCE IT IS TIME CONSUMING TO DEAL WITH THE SHIPPING & CUSTOM DETAILS.
THESE ITEMS WILL GO VIA FEDEX GROUND FOR THE 48 US CONT. DESTINATIONS.
OTHER DOMESTIC & INTERNATIONAL DESTINATIONS ARE HIGHER.