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Tubes / semiconductors by category - Manufacturer

Selected: Revall (Tubes); Cleveland

Name Maker Year User Usage Type Base Pin-Assigment Charts Photos Characteristic Diagrams Typical Application Circuit Prices Forum-Threads private Collector-Cards Models
R-21 Revall (Tu Power-sup Half-Wav Edison –  1  –  –  –    –  – 
R49 Revall (Tu Power-sup Half-Wav Edison 1  2  –  –  –    –  – 

2 tubes or semiconductors found.

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