EPROM for Sequential Circuits Prophet VS Version 1.3 Firmware Update

Original Price$21.84
New Price$18.57
15% Off
+ $7.65 Shipping
Free shipping when combined
2 in stock
This seller is open to offers
Listed:over a month ago

15% Off

Sale ends July 05, 2022

Shop this sale
Shipped From
Mono Tanz
Offenbach am Main, Germany
Joined Reverb

Reverb Protection

Simple Returns, Secure Transactions, Human Support

Learn more

Secure Checkout

Sell Yours Now Background

Want to Sell Yours?

Anyone can sell on Reverb. List your Sequential Circuits Prophet VS today to get it in front of thousands of eyes, quickly and easily. Learn more on the Seller Hub.
Sell Yours Now
Sell Yours Now Background

Sequential Circuits Prophet VS firmware OS update v 1.3

This is firmware update 1.3 and is based on the latest official released operation system by Sequential Circuits (SCI). This operation system update/upgrade requires two eprom chips as revealed in the article`s photos and the chips will be labeled to help you locate the correct chip socket. For more info, please check below.


  • Added - Function so that very small changes to parameter values can be easily accomplished without using the data slider.
  • Added - Local Keyboard On/Off.
  • Added - Non-volatile Program Number that allows the last program selected at power down to automatically return at power-up.
  • Added - The LFO is also synchronized to key depressions.
  • Added - Transpose mode is available.
  • Added - free-running oscillators (as known from version 1.0)


  • Fully verified before shipping and professionally packaged in anti-static material.
  • The Sequential Circuits Prophet VS on the picture is not for sale :)

This item is sold As-Described

This item is sold As-Described and cannot be returned unless it arrives in a condition different from how it was described or photographed. Items must be returned in original, as-shipped condition with all original packaging.Learn More.

Reverb Gives

Your purchases help youth music programs get the gear they need to make music.

Carbon-Offset Shipping

Your purchases also help protect forests, including trees traditionally used to make instruments.

Oops, looks like you forgot something. Please check the fields highlighted in red.