Rossum Electro-Music

Rossum Electro-Music Purveyors of fine synthesizers.

11/17/2025

"I’m delighted to join the Bob Moog Foundation’s Board of Directors and honor Bob Moog’s legacy. Bob helped launch my career, and remained my good friend throughout his lifetime. The Foundation’s mission of science education through music and technology is in perfect alignment with my own passion.” -- Dave Rossum

We are honored to welcome synthesizer pioneer Dave Rossum (Rossum Electro-Music) to the Bob Moog Foundation Board of Directors during an especially pivotal time for all of our projects!

Read more about Dave. Link in the comments.

SP-1200 40th Anniversary EditionLimited to 100 units worldwide.Includes numbered, limited edition 40th Anniversary poste...
08/22/2025

SP-1200 40th Anniversary Edition

Limited to 100 units worldwide.

Includes numbered, limited edition 40th Anniversary poster printed in gold foil on acid-free paper.

$4,999

Preorders open September 2, 10:00AM PDT.

shop.rossum-electro.com

The Bob Moog Foundation is excited to announce its upcoming event featuring modular synthesis educator, musician, and in...
09/18/2023

The Bob Moog Foundation is excited to announce its upcoming event featuring modular synthesis educator, musician, and inventor of vector synthesis, Chris Meyer, and synthesizer pioneer Dave Rossum.

The event will take place on Wednesday, October 4, 2023 at 7 pm (ET) at Citizen Vinyl in downtown Asheville, NC.

Tickets for the Asheville event are $20 and can be purchased here: bit.ly/EvolutionOfModularSynthesis.

A livestream will also be offered. Access to the livestream is pay-what-you-can, starting at $10.

Tickets to the livestream can be purchased here: https://liveatmoogseum.org/livestream.

A recording of the livestream will be available for 72 hours after the event for all livestream ticket holders.

“The Evolution of Modular Synthesis” will feature innovator Chris Meyer!

Chris Meyer has led three lives in the music industry: creating electronic music instruments and tools for companies like Sequential, Digidesign, and Roland (including inventing Vector Synthesis); teaching electronic music synthesis through articles, online courses, and his website LearningModular.com; and now performing his unique vision of electronic music under the name Alias Zone. He is also the co-author of Patch & Tweak: Exploring Modular Synthesis with Kim Bjørn of BJOOKS.

Chris Meyer will also be performing live using his contemporary modular setup.

Get your tickets Get your tickets here: https://bit.ly/EvolutionOfModularSynthesis
SPACE IS LIMITED. Livestream and in-person tickets are available.

01/31/2023
Come meet Dave Rossum at Synthplex 2022 booth 54B October 27-30! Dave Rossum will deliver the keynote address Friday, Oc...
09/14/2022

Come meet Dave Rossum at Synthplex 2022 booth 54B October 27-30!

Dave Rossum will deliver the keynote address Friday, October 28th at 4pm, and will Dave will host a signing at the Rossum Electro-Music booth 54B Saturday, October 29th 1-3pm.

All Rossum products including eurorack modules and the SP-1200 reissue will be available to demo at our Rossum Electro-Music booth 54B October 27-30.

Dave Rossum speaks with Sam Mims Syntaur to discuss E-mu history, Sound Semiconductor, Rossum Electro-Music and the new ...
04/15/2022

Dave Rossum speaks with Sam Mims Syntaur to discuss E-mu history, Sound Semiconductor, Rossum Electro-Music and the new SP-1200 reissue!

Talking Synths is a weekly podcast where Syntaur's crew chats about all manner of synthology. In this very special episode of Talking Synths, Sam Mims sits d...

SP-1200 reissue units are in production!How many Easter eggs can you spot on these circuit boards?A continuation of Dave...
12/17/2021

SP-1200 reissue units are in production!

How many Easter eggs can you spot on these circuit boards?

A continuation of Dave’s fifty-year tradition of instruments made to last, the Rossum SP-1200 reissue is expertly engineered by its original designer for decades of reliability and is built locally in the United States. Assembling and testing the instruments in close proximity to Rossum’s California headquarters allows for SP-1200’s sonic character to be delivered according to the most exacting quality standards.

On the rear of the main circuit board, users will find dedicated, balanced jacks for all filtered and unfiltered channel outputs as well as the mix output and a new sample input monitor feature.

Throughout the process of creating the SP-1200 reissue, Dave was delighted that with very few exceptions, authentic components exactly the same as those found in the vintage classic instrument could be used throughout and took great care to maintain the classic SP-12 and SP-1200 circuit board layouts. Inside and out, SP-1200 is faithful to the original operation and preserves the coveted, authentic sound and character of the classic vintage instrument. Through this labor of love, Dave was able to create an instrument that should sound exactly the same even to the most discerning ears.

https://www.instagram.com/p/CXl_6qRv6j5/

https://shop.rossum-electro.com/products/sp-1200The latest in the SP-12™ family, the Rossum SP-1200® is an authentic rei...
11/04/2021

https://shop.rossum-electro.com/products/sp-1200

The latest in the SP-12™ family, the Rossum SP-1200® is an authentic reissue of the iconic classic SP-1200 sampling percussion system. Building on the engineering of 2020’s 35th Anniversary SP-1200 Renovation, including study and analysis of many vintage units using modern technology not available during SP-1200’s original production run, the team determined that virtually all original components ought to be used in order to deliver the sound at the very highest standard of precision. E-mu Systems co-founder and original SP-12 and SP-1200 designer Dave Rossum has duplicated the original analog and digital electronics of the landmark 12-bit drum machine sampler as closely as is possible thirty-five years after its debut. Throughout the process of creating the SP-1200 reissue, Dave was delighted that with very few exceptions, authentic components exactly the same as those found in the vintage classic instrument could be used throughout and took great care to maintain the classic SP-12 and SP-1200 circuit board layouts. Inside and out, SP-1200 is faithful to the original operation and preserves the coveted, authentic sound and character of the classic vintage instrument. Through this labor of love, Dave was able to create an instrument that should sound exactly the same even to the most discerning ears.

Changes and enhancements were made where they were compatible with the original design, without compromising the classic vintage sound. Sampling memory has been expanded to the maximum capability of the original sound engine. An all-new memory card storage solution with new functions seamlessly integrated into the operating system allows musicians to conveniently save, rename, and delete files and folders, and supports importing vintage SP-1200 disk images packaged in the popular .HFE format. Also included in every box, a 3.5” “floppy” disk 💾 containing modified software for original vintage SP-1200 units adds a new Set-up Special function allowing users to transfer all sounds and sequences from an original SP-1200 to the Rossum SP-1200 reissue over a standard MIDI cable. Whether using 3.5” disks or the popular floppy drive emulator modification, users of classic SP-1200 units are able to recall and remix their work on the SP-1200 reissue.

On the rear panel of the unit, users will find new dedicated jacks for filtered and unfiltered channel outputs as well as a new sample input monitor feature. Four sliders allow users to tune the initial cutoff frequency and the resonance of the SSI2144 analog dynamic filters on channels 1 and 2 by reaching just over the edge of the front panel, which remains cool to the touch thanks to the reissue's included new power supply with locking, XLR-style connector. Built to last with high-lifetime controls and a new, steel and aluminum case in the classic original shape, SP-1200 preserves the original sound for years to come.

The latest in the SP-12™ family, the Rossum SP-1200® is an authentic reissue of the iconic classic SP-1200 sampling percussion system. E-mu Systems co-founder and original SP-12 and SP-1200 designer Dave Rossum has duplicated the original analog and digital electronics of the landmark 12-bit drum...

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