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Mystery 4E27 vacuum tube - 8001 transmitting retailer tube - 257-B tube

Name: Mystery 4E27 vacuum tube - 8001 transmitting retailer tube - 257-B tube
Brand: Mystery
SKU: 677293
Price: 67.81 USD
Availability: InStock
Rating: 4.40 (993 reviews)

Mystery 4E27 vacuum tube - 8001 transmitting retailer tube - 257-B tube, Mystery 4E27 vacuum tube - 8001 transmitting tube - 257-B tube outlets

$67.81

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Mystery 4E27 vacuum tube - 8001 transmitting retailer tube - 257-B tube

Mystery 4E27 vacuum tube - 8001 transmitting retailer tube - 257-B tube, Unbranded 4E27 vacuum tubenew old stock - near perfect condition but not in.

Description

Product Name: Mystery 4E27 vacuum tube - 8001 transmitting retailer tube - 257-B tube

retailer Unbranded 4E27 vacuum tube
new old stock - near perfect condition but not in original box.
approximately 6" overall height
tested

The 4E27 (also know as a 257-B and 8001) was designed in the 1940's. It is a beam power tube with a maximum plate dissipation of 75 watt.