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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
Testing

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.
 
Pricing

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.
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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.

HOLIDAY SCHEDULE
Orders received
Nov. 26-30 will
ship on Dec. 1.

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