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Devil…Details…Part II This morning I started right where I left off and finished the rest of the pulse amps. I put their covers on and cleaned them up with a rag and cleaner. I had repaired Jeff’s C amplifier and when I take it back to him I’ll take the opportunity to test the pulseContinue reading “March 29, 2024”

In Seeburg’s early amps, the MRA and HFMA series, they used several bakelite rotary switches for bass and treble tone controls, wattage, and AVC or Automatic Volume Compensation. On a recent MRA5 amp recap job I could see that the wattage switch had been broken. They all break at the same spot, there’s not muchContinue reading “Repairing MRA5 Wattage Switch”