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Amperex 7308 / E188CC - gold pins, phono grade

Amperex 7308 / E188CC - gold pins
Price: $144.00
1 in stock
Item Number: 787
Manufacturer: Amperex
This 1968 Amperex JAN 7308 tube is a premium quality 6DJ8 / ECC88 made for the US military.
It has the following characteristics:
  • creases on the top of the bottle
  • the New York factory code etched in the glass
  • gray risers
  • round shield with two raised rectangular sections on opposite sides
  • large O getter with wide support
  • green label label with the Amperex logo and reads "JAN 7308"
  • gold pins

This tube tests as new. 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.

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
phono stages, microphone preamps, DA converters, and other sensitive applications.

This tube is sold individually. It ships in a new white box with test results for current draw (mA) and transconductance (Gm) for each triode section. Photo is a sample from the lot. Matched pairs, when available, are listed as Item 943.

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Price: $97.00
Amperex 6922 / E88CC - PQ label, gold pins
This 1968 Amperex 6922 / E88CC tube was made in Holland (Heerlen factory code) and has a large O getter, the orange PQ label, and gold pins. Tube tests as new with very low noise.
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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