Effects Repros, repairs and schematics

RonSound Trem-O-Matic


The Trem-O-Matic is a floor version of the Vox Repeat Percussion module that plugged into your guitar, similar to the Dan Armstrong effects. It's been modified in 2 ways to make it better:

1) Added a Depth control to make it more versatile
2) Modified the output slightly to eliminate loss of volume

With speed settings from way slow to trippy helicopter, it's an excellent and choppy tremolo unit.

Expression pedal jack for controlling the Rate with a volume pedal is now stock on all Trem-o-Matics! You can really go slow with an external control if it has an output resistance of at least 100K.


Here are some sound samples of the Trem-O-Matic so you can hear the range of Rate and Depth settings available. Samples are in MP3 format.

Peavey Predator strat (neck pickup) > Trem-O-Matic > EH Super Looper (recorder)
Description of clip
Clip 1
Depth is set and Rate is varied from Minimum to 50% to Max Variable Rate
Depth 50%
Variable Rate
Depth 100%
Rate is set and Depth is varied from Minimum to 50% to Max Variable Depth
Rate 50%
Variable Depth
Rate 100%

Here are some more sound samples of the Trem-O-Matic in MP3 format. These were made by a customer and show the Trem-O-Matic alone and with the RonSound Flender.

guitar--> pedal(s) --> class A tube amp --> 1x12 vintage 30 speaker --> sm57
Trem-O-Matic Sound Samples
(single coil pickups)
Alone With RonSound Flender
Trem-O-Matic Sound Samples
(DeArmond 2K pickups)
Alone With RonSound Flender

Add to Cart:

  • Model: rs-tremomatic
  • Shipping Weight: 1lbs

Current Reviews: 2

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