811R(811R-G) 4-pin ceramic tube base

811R(811R-G) 4-pin ceramic tube base

Model No.︰811R

Brand Name︰DONGXIN

Country of Origin︰China

Unit Price︰-

Minimum Order︰100 pc

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Product Description

used for triodes, rectifiers, same size as base found on 2A3, 300B, etc. There is a brass locator rod on side of base between the two smaller pins. For crackpots who 'make their own tubes', or for restoring tubes with cracked bases.

Usage Descriptions︰ 811、300B

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