MIDI Overdrive / Amp Channel Switcher

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TS8-MS is the only MIDI enabled Analog Overdrive & MIDI Switcher in a classic guitar effect pedal! It can be used concomitantly as classic tube screamer guitar effect and guitar amplifier channel switcher. It responds to MIDI Program Change and Control Change messages for all its switching functions, which perform simultaneously in either MIDI Receive or in MIDI Transmit mode. It can also be used as simple MIDI Controller, transmitting 3 preset numbers while foot-switching for all other functions.

Guitar Magazine Editor's Choice - Boutique overdrive flavours meet versatile MIDI switching in a diminutive box .TS8-MS is revealing one of the most expressive and musical 808 sounds we’ve heard for some time. Chewy and aggressive with a powerful midrange.


 Quick Setup

 MIDI Controller Programming


TS8-MS is the only MIDI enabled Analog Overdrive & MIDI Guitar Amp Channel Switcher in a classic and tiny guitar effect pedal!

TS8-MS is an analog overdrive pedal with classic 808 tubescreamer feel but with added quirks. It is hand-built in a compact and roadworthy Hammond 1590B aluminum case. Alongside being a tubescreamer pedal it combines MIDI functionalities and switching capabilities. It can be used as MIDI amp channel switcher making it a reliable, one-of-a-kind tool for guitarists. We call it the Swiss Army Knife of Tone.

This is a neat overdrive! It has MIDI capabilities, it can change an amp channel, but first and foremost, it sounds sweet!Marco Sfogli - Lead Guitarist at James LaBrie

TS8-MS responds to MIDI Program Change (PC) and Control Change (CC) messages for all of its switching capabilities – bypass and external switching. It can even be used as a very simple MIDI Controller! On footswitch action, TS8-MS transmits three MIDI Program Change numbers, one for each pedal state: Bypass, Overdrive, and Extended (long push on the footswitch). A 16-position Multi-Function Switch inside pedal assigns a switching pattern in relation to pedal’s state for the two Switching Relays, on footswitch action alone.

From smooth to overdriven tone

TS8-MS MIDI Overdrive has classic analog controls: Gain, Tone, Output, plus an additional 3-toggle switch for selecting clipping mode, which complements the Gain control:

  • Classic – symmetric clipping with Silicon diodes used for classic tube screamer feel & sound, where more saturated compression is needed.
  • Asymmetric – also using Silicon diodes, provides a bit of air into the clipping and adds a little more gain; it really helps with higher gain amplifiers.
  • Custom – it comes with our selection of LEDs. This mode is better for almost clean (AC) sound & boost in lower gain setting, or wilder distortion in the higher gain setting. It may be used to drive hard an amplifier’s clean/crunch channel. We provided sockets for customization, so you can swap these LEDs with ease. For example, experiment with Germanium diodes or mix Germanium and Silicon, for smoothest creamy overdrive – as opposed to LED’s type of sound.

On all settings, the playing dynamics is gracefully complemented by tube-like musical distortion, with gentle recovery. Higher gain settings reveal more clipping, compression and singing sustain, especially with Classic and Asymmetric clipping, while LEDs behave more like a distortion effect.

A highly versatile pedal – MIDI-enabled analog overdrive, MIDI switcher, MIDI transmitter

With TS8-MS pedal you can not only add a quality analog overdrive in front of a guitar amplifier and switch it remotely with a programmable MIDI controller but, through it, you can also switch amplifier’s channels with MIDI commands – adding MIDI RELAY SWITCHING to almost any guitar amplifier that supports external switching! Of course, you can as well use TS8-MS’s MIDI switching capabilities to control other pedals which support external switching.

More info


 Quick Setup

 MIDI Controller Programming

 TS8-MS dedicated website

Additional information

Weight 0.4 kg
Dimensions 120 × 61 × 31 cm
Features Summary

Classic 808 sounding analog overdrive, made with highest quality components, in a compact, low profile design;
3-clipping options: Symmetrical, Asymmetrical (Silicon diodes), Custom (LED\\\'s or your choice);
Responds to MIDI Program Change and Control Change messages for pedal Bypass/Effect switching and External Switching Relays switching, which function simultaneously;
Footswitch performs multiple functions simultaneously: Effect/Bypass/Extended switching, External Switching Relays action and MIDI Program Change transmit;
Bypass setting: chosse between Buffered Bypass or Relay True Bypass;
Switching mode for External Switching Relays: Latching or Momentary;
Gold plated fully sealed relays used for pedal True Bypass and External Switching (2 relays linked to a stereo 1/4 TRS connector can be used to switch guitar amplifier\\\'s channels);
Customization friendly: swap IC, clipping semiconductors and indicator LED\\\'s;
Product weight: 0.25Kg
Shipping weight: 0.40Kg

Technical Specifications

Input impedance: 500KΩ
Output impedance: 10KΩ
Battery optimal working voltage: 8-10 VDC (9 V alkaline battery recommended)
External power voltage: 9VDC
DC power connector polarity: center negative [ – ]
DC power plug barrel: Ø 5.1/2.1mm, 12-15mm long
Operation time on alcaline battery: 4 to 8 hours
Current consumption: 28 mAh – 40 mAh
Product size: Length: 120 mm, Width: 61 mm, Height: 31 mm
Product weight: 0.25Kg
Shipping weight: 0.40Kg
RoHS Compliance: Partial.
MSRP: 249 Euro
Made in EU/Romania


Watch video demos for TS8-MS MINI Overdrive / Switcher

Marco Sfogli TS8-MS-MIDI Overdrive Pedal
Alin Ilies TS8-MS-MIDI Overdrive Pedal