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They don’t make them like they used to,

So We Keep Them Going For You! About UsContact Us
Doppler Audio

Providing a Range of
Vintage Electronic Keyboard Instrument & Amplifier Repairs

Whether it’s a Hammond, Lowrey, Conn or Rodgers organ, a Fender Rhodes or Wurlitzer Electronic Piano, a valve Guitar Amp or a weird old Tape Echo machine, you have come to the right place…

We love everything about them!

If you have one that needs repair or just a bit of TLC here and there, use someone truly passionate about their craft.

9

Organs & Leslies

Tone Generator & Circuit Repairs
Pre-amplifier & Power Amp Repairs
Leslie Connection & Switching
Leslie Tone Cabinet Repairs
Full Restorations
9

Wurlitzer Electronic Pianos

Tuning & Voicing
Reed Replacement
Amplifier Repairs & Reducing Hum
Keyboard/Action Regulation & Overhaul
Full Restorations
9

Fender Rhodes Pianos

Tuning & Voicing
Pickup & Tine Replacement
Keyboard/Action Mods & Overhauls
Suitcase Pre-amp & Amp Repairs
Full Restorations

9

Guitar Amps & Tape Echo Machines

Servicing & Re-Capping 
Troubleshooting Hum, Crackle & Overall Weirdness!
Valve/Tube Biasing & Tape Head Cleaning/Lapping
Modification & Tweaks
Full Restorations

 
 

About Us & Why We are
The Best For the Job

Doppler Audio has specialised in servicing, overhauling and restoring tonewheel Hammond organs and Leslie tone cabinets for many years. As the earlier generation of technicians have been retiring, Doppler have been expanding to service the full range of electronic organs built

We also service and restore Wurlitzer and Fender Rhodes electric pianos, as well as vintage valve amplifiers.

Our Work

Recent Projects

 
 

Leslie Combo Preamp Pedal

  • Converted from 115v to  230v operation
  • For operating 145/147 Leslies
  • Bought on eBay USA by a local customer
  • Now usable in Australia
  • Play guitar, vocals, anything through a vintage Leslie!

 
 

Echoplex EP-2 Tape Echo Sound-on-Sound

  • Converted from 115v/60Hz to  240v/50Hz operation
  • Fresh Pinch Rollers, Tape
  • Last of the tube models
  • Warm & quiet preamp
  • Super rare Sound-on-Sound

I love Geoff’s work. He converted my B-2 Hammond and tallboy 31H Leslie to work on 240volts. He added Trek II Percussion and Reverb units to the old B-2 and I’ve never had a Hammond that played and sounded so good. Geoff loves these instruments and really knows how to look after them.

Peter Geoghegan

Having known Geoff for over 20 years. Geoff has accumulated his knowledge of  the inner workings of vintage keyboards, amplifiers and accessories through sheer persistence, as evidenced by his growing clientele. I have engaged Geoff in a range of jobs and found his work ethic and accountability to be totally trustworthy, keeping you informed as he works and providing a positive outcome always.

Tim Neal

Testimonials

15 + 10 =

Address

216 Old Thorpdale Road
Mirboo North, VIC, 3871
Australia

Phone

0408 682 172

Email

info@doppleraudio.com.au
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