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Power supply units

All currently available power supply units from Andreas Grosser....

06 May, 2015
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CMV 4

Older version before repair....

04 October, 2009
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Georg Neumann & Co. CMV4

When front was in 1943 closer and closer to Berlin the laboratory was seriously damaged with bomb and fire attack.Neumann...

04 October, 2009
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Georg Neumann & Co. CMV3

This is exceptional Andreas work on Neumann CMV 3. The CMV designation as  to “Condensator Mikrofon Verstärker” (condenser microphone amplifier) and...

03 October, 2009