Zenith Radio Repair: What Owners Need to Know
Zenith built some of the most beloved tube radios in America. Here is what goes wrong with them, what to expect from a restoration, and how to keep yours playing for decades more.
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Vintage Radio & Tube Electronics Repair
Expert restoration of vintage radios and vacuum tube electronics
Tube amplifiers from any era are also welcome, including modern devices.
Expert Electronics Service
Vintage Radio Restoration
Specializing in the repair and restoration of vintage radios from 1915 to 1975, Classic Car Radios, Tube HiFi, and PA/Guitar Amps. Each set is restored to original operation.
The Process
Repairs are made using all new components with original factory schematics. All tubes are tested, filter capacitors are replaced, and RF sections tuned to restore full operable condition. If new components are no longer available, suitable like-new fully tested components may be used. All equipment will be handled with the utmost respect and care.
Classic car radio service
Classic car radio restoration and discreet upgrades
Tubular Dave’s repairs and restores original automobile radios while preserving the character of your dashboard. Each radio is carefully evaluated for dependable sound and reception.
Restoration service can include
- Replacing aged capacitors and out-of-tolerance resistors
- Testing tubes, servicing controls and speakers, and replacing dial lights
- RF and IF alignment, tuner adjustments, and bench testing
AM/FM stereo conversion
For eligible original radios, ask about discreet AM/FM stereo conversion options that maintain the period-correct outward appearance. Options invclude: AM/FM stereo, Bluetooth, USB and Aux inputs, Voice commands. All buttons and knobs perform the original functions.
Get Your Radio Repaired
Expert restoration and repair for vintage tube radios, amplifiers, and hi-fi equipment. Every job handled with decades of hands-on experience.
Trusted Vintage Radio Repair Since the Beginning
Whether your old radio crackles, hums, won't power on, or just needs a full restoration, Tubular Dave's brings decades of hands-on bench experience to every job.
From a simple capacitor replacement to a complete chassis rebuild, every repair is done with care, using quality parts and time-tested techniques.
Types of Equipment Repaired
Vintage Radio Repair
AM/FM tube radios from the 1930s through 1970s. Alignment, capacitor replacement, dial lamp restoration, and full recapping.
HiFi, PA, and Musical Instrument Amplifiers
Integrated amps, power amps, and preamplifiers. Bias adjustment, tube testing, transformer inspection, and full restoration.
Other Vacuum Tube Equipment
Call if you have other vacuum tube based or other pre-1970s electrical devices. For example: Lionel Train vacuum tube switching devices are restored.
Classic Car Radios
Restoration and repair for original classic-car radios, with discreet AM/FM stereo conversion options for eligible units.
Diagnosis & Estimate
Not sure what's wrong? Send it in for a bench diagnosis. A written estimate is provided before any work begins.
Shipping & Packing Tips
Units are accepted shipped from anywhere in the US. Contact the shop first for packing guidance to ensure your vintage gear arrives safely.
How It Works
01
Get in Touch
Describe your radio or amplifier and the symptoms. Next steps and a shipping address will be provided if needed.
02
Ship or Drop Off
Pack your unit carefully and ship it in, or arrange a local drop-off. Receipt will be confirmed and bench diagnosis will begin promptly.
03
Estimate & Approval
A written estimate is sent before any repair work begins. No surprises — work won't proceed without approval.
04
Repair & Test
The repair is completed and the unit is thoroughly tested to confirm correct performance before return shipping.
05
Pay & Return
Pay the invoice online via ACH, PayPal, or Zelle. The unit is carefully packed and shipped back.
Common Questions
- How long does a typical repair take?
- Most repairs are completed within 2–4 weeks depending on parts availability and the current queue. An estimated turnaround is provided when the unit is reviewed.
- Is there a warranty on repairs?
- Yes — all repair work is warranted for 90 days. If the same issue recurs within that period, it will be addressed at no additional charge.
- What if the repair isn't worth the cost?
- If the estimate exceeds the unit's value or your budget, you'll be told honestly. Only the bench diagnosis fee applies, and the unit will be returned.
- Do you work on transistor or solid-state equipment?
- The shop specializes exclusively in tube-based equipment — vintage tube radios and tube amplifiers. Solid-state equipment (with the exception of car radio) conversions, is not.
- How should I pack my radio for shipping?
- Contact the shop before shipping for packing guidance. Vintage radios are fragile and require double-boxing with adequate foam or bubble wrap to arrive safely.
- Do you restore cabinets or make other cosmetic improvements?
- While the primary focus of Tubular Dave's are the electronic components, some cosmetic restoration is available on a case by case basis.
Vintage Radio Parts
Tubes, capacitors, transformers, and hard-to-find components for your restoration project.
Coming Soon
Parts Shop Opening Soon
Parts inventory is being built out. Check back soon for tubes, capacitors, transformers, and other vintage radio components.
In the meantime, reach out about a specific part needed.
Vintage Radios for Sale
Fully restored and tested vintage radios, ready to play.
Coming Soon
Radio Shop Opening Soon
Inventory of restored vintage radios is being prepared. Each set is fully tested and ready to enjoy. Check back soon.
Looking for something specific? Get in touch.
Contact Us
Questions or Comments?
Every project is different. Send a message with details about your radio or a question, and expect a prompt, honest reply.
Tubular Dave's Old Radio Repair
Hours (Pacific Time)
- Mon09:00 am – 05:00 pm
- Tue09:00 am – 05:00 pm
- Wed09:00 am – 05:00 pm
- Thu09:00 am – 05:00 pm
- Fri09:00 am – 05:00 pm
- SatClosed
- SunClosed
From the Shop
Repair guides and restoration tips from the shop
Restoring a Philco Cathedral Radio: A Complete Guide
Philco cathedral radios from the 1930s are among the most beautiful objects ever made. Here is everything you need to know about restoring one safely and correctly.
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RCA Tube Radio Repair: Models, Problems & Solutions
RCA made tube radios for nearly every decade of the radio era. Here is a model-by-model look at common failures, what repairs cost, and what makes RCA sets worth restoring.
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Fisher Tube Amplifier Restoration: The Complete Guide
Fisher Electronics made some of the finest tube amplifiers and receivers of the hi-fi era. Here is what goes wrong with them, what restoration involves, and why they are worth every penny.
Continue ReadingRepair Billing & Payments
Pay your repair invoice securely online. Have your job number ready.
Don't have your invoice number? Send a message and it will be looked up.