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Amperex 12AX7 / ECC83 - orange globe label, phono grade

Amperex 12AX7 / ECC83 - orange globe label
Price: $84.00
1 in stock
Item Number: 216O
Manufacturer: Amperex
Description

This 1968 Amperex 12AX7 / ECC83 tube
has ribbed gray plates and a halo getter (I65 series). The orange print on the glass has the Amperex world logo. The Heerlen, Holland factory code etched in the glass.

Testing

This tube tests as new with balanced sections. It has been screened for gas, heater-cathode leakage, shorts, and excessive noise and microphonics on each triode section. It was tested at typical operating voltages on a laboratory grade Amplitrex AT1000 (manual setting, fixed bias mode). Learn more about our testing process here. See product options for current availability.
 
Noise and microphonics

This tube tests as "phono grade"--the quietest range for noise and microphonics--on our custom noise testing equipment. It is an excellent choice for sensitive applications such as microphone preamps, DA converters, and phono stages.


Pricing

This tube is sold individually.
Photo is a sample from the lot. It ships in a new white box with test results for current draw (mA) and transconductance (Gm).

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TC Tubes specializes in precision testing and matching of vintage and new production vacuum tubes for guitar & bass players, audiophiles, and DIY tube audio enthusiasts. Our website features secure payment options and fast, convenient shipping around the world.

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