WORLDWIDE INSURED & TRACKED SHIPPING ! 100% HAPPY CUSTOMERS SINCE 2003 !
ALL TESTINGS DONE ON CALIBRATED B&K 747B DYNAMIC MUTUAL CONDUCTANCE TUBE TESTER
PLEASE VISIT MY STORE FOR MORE GOODIES, YOUR REQUESTS ARE ALSO WELCOME !
YOU ARE BUYING THE FOLLOWING ITEM(S), EXACTLY LIKE ON PICTURE
Quantity: 1 single balanced tube
Tube: 12AX7S / M8137 / CV4004 (= Special Quality 12AX7 / ECC83)
Type: DUAL TRIODE
Brand: RTC (Made by MULLARD for french market)
Origin: GREAT BRITAIN
Era: Late 70's
Codes: 12AX7S.7844 / 8013 (Made in 1978 & packed in 1980 !)
Condition: LOOKS LIKE NEW / UNUSED / NOS / NIB, COMES IN ORIGINAL RTC BOX
Cosmetical: PERFECT
Physical: PERFECT
Transconductance Testings %: 98/98 (Minimum Good is 65/65 on B&K 747B)
Shorts//Gas//Leakage//Grid Emission: NONE
Getter Type: MEDIUM HALO / RING / O
Plates Type: RIBBED & GREY, 14mm BOX PLATES, SILVER GRIDS & MICA SPRINGS
Various Notes: FAMOUS MULLARD BOX PLATES SPECIAL QUALITY 12AX7S TUBE ! DON'T MISS IT !
