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D & M Restoration can provide general repair or full restoration services for classic and vintage car radios from the 1920’s through the mid 80’s. Although we specialize in auto radios and have significant experience with Corvette units, these services can also be provided for antique and collectible home entertainment equipment and classic Amateur Radio (Ham) receivers and transmitters.
Additionally, we are FCC licensed to make radio transmitter adjustments for frequency, power level and modulation settings should your equipment require this level of certification. This is particularly applicable to General Motors units that contain citizens band two way radio equipment and also Ham Radio units.
Our general repair service for auto radios included the following items:
- We service your tuner and push button mechanism including its adjustment and lubrication.
- We align the AM and FM radio frequency, intermediate frequency, oscillator, audio amplifier and stereo multiplex circuitry after repair and replacement of defective parts.
- We align the audio output bias voltages to the factor specified settings, clean or replace scratchy volume controls, install fresh dial lamps and buff and polish chrome and plastic dial plates.
If you have a unit with a Wonderbar type automatic tuning mechanism, we disassemble it to clean (including the speed governor mechanism), lubricate and adjust lever and switch trip points and clean relay and switch contactors.
If your radio uses a mechanical vibrator to generate its tube voltages, we replace the buffer capacitors, test the vibrator and replace it with a solid state unit as necessary to assure a long and reliable service life.
We disassemble your 8 track or cassette tape player, clean critical areas, adjust mechanical and electrical points and lubricate the unit. We also change the physically and electrically leaking capacitors in the motor speed regulator, pre-amplifier and main amplifier stages and install new drive belts as needed.
In summation, we inspect every stage of your unit for correct operation!
Enhanced restoration services are available which include chassis cleaning, dial face reproduction and case painting.
Please contact us with your specific requests.