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EXPIRED - FOR SALE: Vintage early 1960's Black Plate ECC81 / 12AT7 / 6201 / 6679 tubes (Some NOS/NIB)
Assorted vintage 12AT7 and variant Black Plate tubes.
Some are NOS/NIB,the rest are all slightly used
All test very strong, no shorts or leaks
These are the very early versions with short black plates
Triple mica for exceptional quiet ultra-low noise microphonics.
Remarkably balanced, neutral warm and sweet sounding!
Many audiophiles have a yen for these the world over!
Good timing now for tube rollers and especially relative newbies getting into vintage warm and sweet tube sound!
$35.00 each or priced from $60.00 a pair
All have been tested for shorts leaks and dynamic conductance
All have tested high on my B+K tube tester
Shipping anywhere in Canada!
Each shipped tube is bubble wrapped and well boxed!
*Free shipping is included to any where in Canada with purchases of $160.00 or more!
For orders less then $100.00 shipping is usually $18.00 for 1-4 tubes to anywhere in Canada
**Please read my CAM profile re: shipping policies
Payment is by: Cash, Interac-EMT, Canada Post Money Orders only on all shipping orders
Cash on local GTA pickup
Price is from $25.00 each tube
*12AT7 reference information:
(also known in Europe by the tube designation of ECC81)
A miniature 9-pin medium-gain (60) dual-triode vacuum tube popular in audio and guitar amplifiers.
It belongs to a large family of dual triode vacuum tubes which share the same pinout (EIA 9A), including in particular the very commonly used low-mu 12AU7 and high-mu 12AX7.
The 12AT7 has somewhat lower voltage gain than the 12AX7, but higher trans conductance and plate current, which makes it suitable for high frequency applications.
Originally the tube was intended for operation in VHF circuits, such as TV sets and FM tuners, as an oscillator/frequency converter, but it also found wide use in audio as a driver and phase-inverter in vacuum tube push-pull amplifier circuits.
This tube is essentially two 6AB4s or two EC92s in a single envelope.
The tube has a center-tapped filament so it can be used in either 6.3V 300mA or 12.6V 150mA heater circuits.
This ad was originally posted on Canuck Audio Mart and the seller ships to Canada, and the United States.