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More information about the unique amplifiers made by Magnatone and Valco
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Martin sent these photos of the M192-5, made by Magna in 1948. Martin operates a business repairing and restoring vintage music and audio equipment. More info and project descriptions can be seen at www.Wizard-Labs.com. The M192-5 is covered in a Brown reptile like material. The tone control doubles as the on-off switch. There is a master volume and a mic volume. The M192-5 has 3 inputs. Guitar 1 and 2 inputs and a microphone input. The amp uses a 6SN7 for preamp, a 6N7 phase inverter, a pair of 6V6 power tubes and 5Y3 rectifier tube. The power supply transformer is #5001 1 CS 5779. The output transformer is Triad 1659. It has a 12-inch speaker. Martin says "The tone is smooth, deep and bright. Very little breakup unless driven really hard. Much wider frequency range than most amps from this era."
Approx. 15-Watts
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This M192-5 has the amplifier mounted to the top with the controls facing up. This makes the cabinet about 2-inches taller. Sometime during this series, we don't know, Magna moved the amp and controls to the top. Probably for guitar players.
Mary sent this photo of her MEC model M192-5. This is one of the earlier models with the amp mounted to the bottom. Notice the cabinet is shorter than the model above. 14.5 x 15 x 6.5-inches. It has a 12-inch speaker stamped ST 250 PM12C C1068.
Approx. 15-Watts
