Affordable, Quality Audio Repairs & Restorations

Phone: 519-513-1084

Email: repairs@dnaelectronics.ca

Address: 15 Shaftsbury Dr. Kitchener, ON, Canada

Quality, Reliable Restorations by Experienced Father & Son Technicians. We Take Pride in our Workmanship.

Receivers | Power Amplifiers | Integrated Amplifiers | Preamplifiers | Tuners

D 'n A Topics & Resources

Restoration Information

General information about our restoration work, and pricing information for various models.

Audio Specifications Database

We are compiling a database of audio equipment specifications gleaned from our annual equipment directory magazines, owner's manuals, service manuals, etc.

Audio Picture Gallery

Pictures of some of the equipment we've worked on, with occasional commentary.

Our Testing Procedures

We test the audio components we restore to ensure they perform at least as well as expected. This is both an overview of our measuring procedures, and an attempt to make clear exactly what is being measured.

FAQ

Answers to some frequently asked questions.

GAS Son of Ampzilla Gallery

Pictures of a Great American Sound Son of Ampzilla power amplifier we restored. Note that some of the pictures are prior to the restoration. You can check out the specs here.

If you have a GAS Son Of Ampzilla amplifier that is in need of repair, call us at (519)513-1084, or email your enquiry to repairs@dnaelectronics.ca.

GAS Son Of Ampzilla Power Amplifier picture

Recapped amplifier PCBs. We replaced many of the resistors with new metal-film devices. Rather than dispense with the current-limiting circuitry altogether, we chose to set the trim pots for minimal effect.

New main filter capacitors on the power supply PCB.

Transformer-less hull of the SoA with rebuilt PCBs installed.

The power transformer.

Note that the Son of Ampzilla does not have a power switch.

Sponsored Link

After leaving SAE, famed audio designer John Bongiorno established GAS: Great American Sound. GAS manufactured high-end audio power amplifiers, preamplifiers, and even a moving coil phono cartridge.

The GAS Son of Ampzilla is a very rugged amplifier. We thought it had a very neutral, accurate sound quality.

D 'n A Electronics is a Father & Son business located in Kitchener, Ontario, Canada. We specialize in restoring hi-fidelity audio power amplifiers, integrated amplifiers, preamplifiers, receivers, and tuners. We've been repairing vintage audio equipment since long before it was considered vintage! It is our goal, and pleasure, to reliably restore hi-fi audio equipment to original operating condition (or better!). We accept shipments from across Canada, and many customers from Kitchener, Waterloo, Cambridge, Guelph, Hamilton, London, Toronto and surrounding areas find us to be within convenient driving distance. Thank-you for visiting our website, we look forward to serving you!