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TUBE AMPLIFIER REPAIR​

Amplifier Service: Services

 

Stop listening to poor audio and get your tube gear sounding full and rich with the depth and color your ears deserve. 

 

Bad sound? Hum? Buzz? Distortion?
I've heard and fixed it all.

 

Amplifiers Repaired Include:

  • Marantz

  • McIntosh

  • Dynaco

  • Fender

  • Fisher

  • Harmon Kardon

  • Scott

  • EICO

  • Heathkit

  • Knight

  • RCA

  • Realistic

  • Calrad​


Repair Process:  Defective components shall be replaced.  All filter and paper capacitors shall be replaced.  Coupling capacitors shall be replaced with high quality units, or with customer preference.  Paper capacitors which test good can be left in circuit if requested.  Out of tolerance resistors shall be replaced.  All tubes will be tested for Emissions and Leakage (shorts). Tubes which test bad shall be replaced. Output tubes can be matched if requested.  All operational issues (such as noise, hum, distortion, volume fluctuation, intermittent operation, etc.) shall be troubleshooted and resolved.  Bias shall be set if required.  Audio circuits shall be balanced if required.  Amp shall be bench tested to assure proper operation and sound quality.

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Circuit modifications will be considered on a case by case basis.

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Repair of tube amplifiers with printed circuit boards shall be considered on a case by case basis.

Note:  I do not repair solid state (transistor) amplifiers.

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Please click on button below for details of Repair and Cost.

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Service Area and Hours

Metro Atlanta Area and beyond.


If outside of the service area, please ship your tube equipment in for repair. Click on Shipping button below for more information.

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Hours: 10AM-6PM, 7 days a week.


Email or call to set up an appointment.

JF Radio Repair

©2025 by Jay Forbes.

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