image of Prophet T8 Synth repair at Bammel TV
/ By John Doba / Synth repair / 0 Comments

Prophet T8 Synth Repair at Bammel TV Tech Services

image of Prophet T8 Synth repair at Bammel TV

Bamm Blog

Prophet T8 Synth Repair at Bammel TV Technology Services.

July 2018: Customer brought to us his Sequential Circuits Prophet T8 synthesizer. It’s vintage synth repair time again—in particular, Prophet T8 synth repair time, at Bammel TV Tech Services.

The Prophet T8 , often considered the flagship or pinnacle of the Sequential Circuit line, was released in 1983 when analog synthesizers were being replaced by digital-FM synthesis machines such as the famed Yamaha DX-7. The T8 is a monstrous sounding 8 Voice polyphonic synth with analog circuity under digital control, allowing the user patch storage and a 670 note on board sequencer, for programmable pattern playback. 

The T8 featured 76 weighted keys with full MIDI implementation, plus velocity and aftertouch that could be routed to various destinations, or used to control different note aspects—very uncommon at this time. This synth is very similar to its predecessor the legendary Prophet 5 in its sound and is often thought of as Sequential Circuits’ pinnacle synthesizer: Digital control of analog sound with an extremely flexible, intuitive and beautiful design – right down to the wood panels. 

The Prophet 8 had a bit of a tough time competing with the Yamaha DX-7, which was much cheaper, but for quality it was unmatched. Used by artists like Howard Jones and the Thompson Twins, it still sounds great: the Rolls Royce of analog synthesizers. Generally these beasts are hard to find today and still very expensive. 

In this particular repair, the customer had various complaints. We found the native procedure to reload all the internal factory settings. This involves setting program parameters by way of in-loading a WAV file, an archaic but effective procedure. In addition, we found the in-out jacks were iffy so we ordered and replaced those as well. 

Here is a Youtube video of a T8 being put through its paces. 

Prophet T8 Synth Repair: another one bites the dust at Bammel TV. For our main keyboard and synth repair page, and other examples of synth repair at Bammel TV, click here. 

Synthesizer repair
Service Type
Synthesizer repair
Provider Name
Bammel TV Technology Services ,
Telephone No.281-444-0287
Houston metro area
How we repaired a classic vintage synth, the Prophet T8.

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