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MM HD 130 bass mod

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Mike Algozino (mike_a)
Username: mike_a

Registered: 10-2012
Posted on Monday, October 15, 2012 - 01:02 pm:   

anyone know what it would involve to change from the EL34/6ca7 tubes to 6550 tubes. I use the amp strictly for bass and from what I understand the 6550 is a excellent tube for bass. In addition its more available and less expensive than the NOS 6ca7.

Mike