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More information about the unique amplifiers made by Magnatone and Valco
| M9 Custom Pro Amp. 38-Watt Peak Power, Super Vibrato Sound System
--making it a superb accordian amplifier. "Unsurpassed styling . . . . incomparable sound" 15" Woofer, 14 oz. Alnico 5 Magnet, Extended Bass and Treble Response, 2 Independent Contour Switches for each Channel, FM Vibrato Foot Switch, Hard Cone Metal Back Tweeter. |
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The M9 Custom Pro Amp has 2 seperate input channels, (each with high or low gain), plus a Stereo input. Preamp and the bass and treble are handled by 2 7025's. A split mu 7247/12DW7 for low freq. oscillator(hi mu side of tube) and amplifier( medium mu side of tube). A 12AU7 for the 1st and 2nd vibrato shifts. Another 12AU7 for vibrato recovery and phase inverter. The power section uses twin 7189A power tubes into T2 output transformer. One 15" woofer. The schematic shows a 3" tweeter,
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some model M9's have these, but according to the owner of the one pictured above, his amp shows no evidence of ever having one. Original List Price $340.00
