MATRIXSYNTH: ARP AXXE and AVATAR Analog Synthesizer


Saturday, May 06, 2017

ARP AXXE and AVATAR Analog Synthesizer

Note: Auction links are affiliate links for which the site may be compensated.

via this auction

"This is a combo Avatar + Axxe with CV/gate cable and Stand

Avatar and Axxe Modifications Included :
All tantal polarized capacitors are changed for new Electrolytic Capacitors.
All Sprague Orange capacitor are changed

Old transistor 2n606/2n5172 has been changed for new 2n3904/06
all defect IC has been changed by new (ca3080, CA3086, lm1358, lm3900 ..)
LM301 has been changed by new TL081 (Compensation cap removed)
New oversized power supply with modern component (lm317/337) and separate power supply for the LED
with modern component (lm317) with 1 toroidal transformer +/-15v + 1 toroidal transformer +5v for Avatar
and 1 R-CORE transformer +/- 15 and +5v for Axxe
With Queensland Walnut raw wood veneer panels
Specific Avatar Modifications Included :
Correction on the 4075 VCF which cut off frequencies above 12kHz

37 new sliders, Bourns PTL serie with led. Each color has an individually adjustable trimmer to adjust the brightness. The colors are according to the color code of the Odyssey.
The guitar part (Board E and D) are present and fonctionnel, but not used in this configuration.
The Guitar microphone is included. The connector are changed for a less expansive one (DIN 6, the same as input of the avatar)
Board D power supply connector are not connected (Reduce consumption).
- the Portamento, Guitar vol slides , and switchs string select has no effect
Two modifications are been made to allow the adjustment of both oscillators pitch to tune with another instrument :
- the Triger sensibility is used for a (reverse Log) pitch adjustment
- the 3 positions switch Env Follow is used to an approximatively +/- 2 octave pitch adjustment
Specific AXXE Modifications Included :

New VCF AM4023 Filter12dB Low Pass
Due to the configuration of the Axxe slider the resonance are inverted (low on the top) and to have a maximum resonance,
the settings of Q is very hight, that will take the filter in oscillation depending of the frequency and the reso.
23 new sliders, Bourns PTL serie with led. Each color has an individually adjustable trimmer to adjust the brightness. The colors are according to the color code of the Odyssey.
All IC excepted VCO, are on sockets for easy change."

No comments:

Post a Comment

To reduce spam, comments for posts older than one week are not displayed until approved, usually same day. Do not insult people. For items for sale, do not ask if it is still available. Check the auction link and search for the item. Auctions are from various sellers and expire over time. Posts remain for the pics and historical purposes. This site is meant to be a daily snapshot of some of what was out there in the world of synths.

PREVIOUS PAGE NEXT PAGE HOME


Patch n Tweak
Switched On Make Synthesizer Evolution Vintage Synthesizers Creating Sound Fundlementals of Synthesizer Programming Kraftwerk

© Matrixsynth - All posts are presented here for informative, historical and educative purposes as applicable within fair use.
MATRIXSYNTH is supported by affiliate links that use cookies to track clickthroughs and sales. See the privacy policy for details.
MATRIXSYNTH - EVERYTHING SYNTH