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Custom M12
More information about the unique amplifiers made by Magnatone and Valco
Custom M12
The Custom M12 has 2 input channels(each with high and low gain)and a 12AX7/7025 dual triode tube in the 1st and 2nd gain stages. The M12 is fairly simple with "Volume", "Treble", and "Bass" controls for each channel, followed by a 12AU7, which does the phase inverting for the twin 6CA7/EL34 power pentodes. An output transformer and a 15", 8 ohm speaker.

M12 control panel
Approx. 35 watts
Serial Number: Not available
Owner: George T. Nichols, Not For Sale.
Photo: ©1998 George T. Nichols.
Used by permission.

For more Information contact:
Go To Magnatone-Valco discussion groupMagnatone-Valco discussion group
Go To Parts@VibroworldVibroworld has Magnatone Parts


Custom M12 Here is another custom model M12. Bill shipped this M12 to our shop for some restoration and repairs. It had sat in water and the water had soaked up the sides. The guys in the shop recovered the back with Mesa/Boogie vinyl and replaced the ugly brown grill cloth with new Fender Black/white/silver grill cloth. We had our custom shop make a new bottom panel and engrave a new control panel to replace the one that was missing. Considering the shape it came in to our shop, it turn out pretty nice, don't you think?

Serial Number: Not available
Owner: Bill Cervelli. Not For Sale
Photo: ©2002 Zack. Used by permission.

For more Information contact:
Go To Magnatone-Valco discussion groupMagnatone-Valco discussion group
Go To Parts@VibroworldVibroworld has Magnatone Parts
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Updated January 30th 2000 at 6:42 pm PST
ZACK ENGINEERING © 1997