MATRIXSYNTH: AM4000 Synthesizer


Thursday, October 05, 2006

AM4000 Synthesizer

"The AM4000 Modular Synthesizer is a replica of the original ARP 2500 analog modular syntheszier that was manufactured in the USA by ARP from 1970 - 1975.

Many of the module schematics have been transfered into Eagle CAD, and the Dual Noise Source has been successfulyy tested, along with the 4023 and 4075 filters."

Planned Modules The AM 4000 has the following ARP 2500 module clones:

AM4003 - Single VCO (audio and LFO ranges)
AM4004 - Dual ADSR
AM4005 - Ring Modulator and VCA
AM4006 - "Moog" 24dB transistor ladder LPF
AM4012 - ARP 2600 "Moog" 24dB transistor ladder filter
AM4016 - Dual analog noise source
AM4023 - ARP Odyssey Mark 1 12dB filter
AM4033 - Dual DADSR
AM4035 - ARP Odyssey Mark 2 "Moog" 24dB transistor ladder filter
AM4036 - Single Sample and Hold
AM4075 - ARP Odyssey Mark 3 - 24dB filter

Title link takes you to more info on the excellent Emulator Archive. BTW, I have no idea when this went up and/or if it's vaporware at this point. If anyone has more info, feel free to comment.

8 comments:

  1. I have a few of the 4075 filter boards, so at least that isn't vaporware.

    ReplyDelete
  2. I got some of those ssm2030 vco boards.

    ReplyDelete
  3. The html was last updated about 10 months ago and the earliest files in the directory are from 2003.
    With 2 or 3 modules done and many more to go, he'll be done somewhere around 2012.

    ReplyDelete
  4. Well the photos of the boards that are done are certainly real. But I'll agree that only the tip of the iceberg is done compared to the amount of stuff in planning stages.

    I think some pages are newer than 10 months ago, it could be the use of frames that made the poster think that

    ReplyDelete
  5. No, I back-URL'ed into his directory for the dates. Nothing to do with viewing his frames or code.

    ReplyDelete
  6. quote: "With 2 or 3 modules done and many more to go, he'll be done somewhere around 2012."

    might be that he's been busy doing new module PCBs for bananalogue.com

    but that would be a secret... shhhhh

    seth nemec
    bananalogue.com

    ReplyDelete
  7. When i was researching arp filters i contacted him and i understand something is in the works for later this year.

    I was looking at building one of the arp filters but went with yusson design in the meanwhile.

    Wasubot

    ReplyDelete
  8. I don't understand yusson's philosophy.
    How is it that he 'clones' these modules but veers so greatly from the original parts and designs?

    ReplyDelete

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