High-Mu Twin Triode
MULLARD BVA ~ Made in Great Britain
These Are the Gray Smooth Plate Tubes.
They have the white shield logo from the 1960's.
They Also Come with the Original Blue Box and
shield/BVA logos
with the text " Made In Great Britain " on the glass.
These are the Famous Mullard, Killer Sounding,
old European 12AT7 / ECC81 Vacuum Tubes.
They are Simply Some of the Best and their numbers
are dwindling as time goes on. They are beginning to be
Quite Rare.
All Three of them are Matched at 81/80 80/80 80/80
The Codes are VF3 D5J2, VF3 B5J2, VF3 B5I2
The 12AT7 Vacuum Tube is a miniature type used as
a push-pull cathode-drive
amplifier or frequency converter in FM and TV
broadcast bands. They require a miniature
9-contact socket.
Electrical Data:
Heater Voltage .................... 6.3/12.6 V
Heater Current .................... 0.3/0.15 A
Preferred Substitutes ............ 12AT7WA,
12AT7WB, ECC81, 6201, 12AZ7, 6679, 12FV7, CV455, 6060,
CV4024, 12AT7WC, JG-12AT7WA, USN-12AT7WB, A2900, CV6091,
B739, M8162, E81CC, USN-CRC-12AT7WB, JRC-12AT7WA,
ECC801S, JAN-12AT7WC, GB-6201.
Substitutes .............................. 12FV7