A2 Amplifier

Type: 2 valve amplifier
Vintage: 1924
Made by Marconi UK .
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A2 - overall view with valve viewing port cover detached. Click on image to enlarge
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A2 nameplate
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A2- rear view of chassis. 
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A2 - Power and speaker connections. 
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A2 with all covers in place. Besides providing a means for heat to escape, the viewing ports allowed the user to check on the valve filaments. 
All images in this table via E-bay
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Feb 1/24