Tube DIY Asylum

GM70 Decommissioning

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Well, sad to say, 10yrs later I need to decommission these amps. Just too damn heavy to move around, its at least 130lbs. Should of built on 4 chassis, its basically two amplifiers on one chassis since a 300b drives the GM70 into A2. I'm not sure if I should just sell it as is or take it apart. I might build a simple 2 stage lower voltage version of this amp reducing the weight by 30-40 lbs. I originally built it so I could move it back and forth between my main system and my office system, the office system needing the additional power. I have tons of chokes on this amp and might build Kevin Kennedy's version which is much lighter and use it on the main horn system. I like the bit of extra power when you need it.





Edits: 01/07/25

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