Cherry Audio | Introducing Crumar Spirit with Tim Shoebridge

video upload by Cherry Audio

"Crumar Spirit by Cherry Audio captures the unique sound and features of the exceptional analog monosynth from 1983, originally designed by some of the most legendary figures in the synth industry. Spirit is a gateway to sonic experimentation. It is not a polite instrument. Nor is it clean, safe, or obvious. However, twist a few knobs and it will reward you with some of the most colorful sounds you have ever heard from a virtual analog software synthesizer.

https://cherryaudio.com/products/spir...

00:53 - Music Intro by Tim Shoebridge
02:05 - Introducing Crumar Spirit by Cherry Audio
03:28 - Spirit Signal Path
05:49 - Mod X
08:07 - The Oscillators
13:40 - The Filters
20:34 - Audio Mixer
21:14 - Shaper Y
26:20 - Arpeggiator
30:15 - Voice Modes and Multi-Voice Cycling
31:04 - Matrix Z Modulations
31:45 - Dual Effects Chain
34:42 - Conclusion"

Cherry Audio | Crumar Spirit

video upload by Cherry Audio

Cherry Audio | Spectres Preset Pack for Crumar Spirit by James Dyson

video upload by Cherry Audio

"100 additional presets for Cherry Audio's Crumar Spirit synthesizer by James Dyson that showcase its darker and more atmospheric side in nine categories. Explore more advanced modulations, integrated effects, rhythmic arpeggios, and aftertouch performance features.

Just $9.99, exclusively from https://store.cherryaudio.com/presets...

18 Arps
9 Basses
5 Brass
8 Chords
10 Keys
9 Leads
17 Pads
14 Polyphonic
10 SoundFX"

Crumar Spirit by Cherry Audio: The rare Spirit reborn! (Part 1)

video upload by CatSynth TV

"We are proud to preset the new Crumar Spirit by Cherry Audio, a meticulous software recreation of the unique, quirky and elusive Crumar Spirit analog synthesizer from the early 1980s. This is a two-part series. In Part 1 we go over most of the original-instrument features (minus the arpeggiator).

Part 2, covering the remaining features and exploring factory presets, will be released soon.

To find out more about Crumar Spriit by Cherry Audio, please visit: https://cherryaudio.com

00:00 Introduction
00:34 A brief history
01:54 Overview of Crumar Spirit by Cherry Audio
02:35 Oscillators
09:59 Upper filter
12:41 Lower filter
20:02 Noise generator
23:43 Shaper Y (and Shaper Y audio path)
33:24 Mod X
41:24 Conclusion"

Merch: https://shop.catsynth.com



Crumar Spirit by Cherry Audio is a meticulously crafted virtual recreation that captures the unique and captivating features of the exceptional analog monosynth from 1983, originally designed by some of the most legendary figures in the synth industry. In collaboration with Crumar, we have reopened a time capsule to revive this Italian cult classic and thoughtfully elevated it with Cherry Audio's signature style.

Spirit is a gateway to sonic experimentation, whether you are after wild, unpredictable timbres or warm, analog tones. It is not a polite instrument. Nor is it clean, safe, or obvious. However, twist a few knobs and it will reward you with some of the most colorful sounds you have ever heard from a virtual analog software synthesizer.

Crumar Spirit includes over 430 sensational presets in 12 categories

Producers will find immediate inspiration in Spirit's extensive preset library, created by a talented sound design team led by veteran sound designer James Terris. And don't miss the Spectres for Spirt Preset Pack (sold separately), featuring an additional 100 additional presets by James Dyson.


A "Little Synth" Designed by Legends

Crumar S.P.A., based in Castelfidardo, Italy, was a notable player in the 1970s musical instrument industry, specializing in home organs, digital pianos, and multi-sound keyboards, and with a significant focus on the U.S. market. Sante Crucianelli, the son of the owner, became the driving force behind Crumar's design and strategies. Crumar became known for its open lab culture, frequently allowing competitors to test instruments, a rare practice for the time. Another key figure during this period was Luciano Jura, a designer, musician, and programmer. Luciano became crucial as Crumar's point of contact with synth pioneer Bob Moog, which led to a collaboration that resulted in the creation of Crumar's Spirit synthesizer.

Although many details have been lost due to the passing of key figures and the closure of Crumar, the development of the Spirit synthesizer in the U.S. is well documented. Key contributors to the project, codenamed "Little Synth," included Moog engineer Jim Scott, Moog clinician and electronic music historian Tom Rhea, and Bob Moog himself. The project likely began around 1980 or 1981, and incorporated elements from earlier projects by Scott and Moog. Rhea played an essential role in defining the Spirit's key features, such as the keyboard scanning setup, panel layout, functional architecture, and technical documentation. The Crumar Spirit went into production and was released in late 1983.

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Crumar Spirit Analog Monosynth SN 912331

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

via this eBay listing

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Crumar Spirit - Bob Moog's Italian Synthesizer Reborn

video upload by HAINBACH

"Giallo Horror Track with the Crumar Spirit re-issue #synthesizer"

Crumar Spirit - Bob Moog's Italian Synthesizer Reborn

video upload by HAINBACH

I will put up a follow-up post when this goes live, and/or you can bookmark this post and check back as well. The Crumar Spirit is back.

"My friends from @museodelsynthmarchigiano1717, the Italian synthesizer museum, invited me again to visit them in Italy. This time, they had something new and old to show me: a faithful re-creation of the rare Bob Moog designed Crumar Spirit mono synthesizer. They teamed up with Crumar to bring this little known instrument back to life, staying as close to the original as possible. In this video I demo the synth and tell the story of how it came about."

According to Crumar in the video, the new Crumar Spirit will be limited to 100 units, but polyphonic and desktop versions might be coming.

Crumar Spirit

Note: links to listings are affiliate links for which the site may be compensated.
via this auction

Not the best shots, but you don't see these often.

"Only 100 made in the world in the 1980's .This synth is number 43. Kept in a smoke free environment and never taken on stage.

If you are here, you probably already know the history on this Rare Crumar Spirit .The Spirit is one of the most complex, challenging, and - above all - powerful monosynths ever produced. . Sounds amazing- aggressive & fat. Everything works great. This one is a gem. The Crumar Spirit was originally designed by Bob Moog( himself), Jim Scott & Tom Rhea and released back in 1983. It has a 37 note keboard with 2 vco's.The two oscillators feature basic sawtooth, triangle and square waves and can be synced together.

The filter section is very nice featuring low-, high- and band-pass filters and switchable 12dB or 24dB slopes. Other features of the filter include an independent envelope with inverted and normal ADSR, key tracking and single or multiple triggering of the filter. Some other features of the Spirit include a built-in ring-modulator, an Arpeggiator with 3 different patterns and that can be linked to the LFO, and there's an external audio input for running external sounds through its filters, LFOs or Ring Mod.

For the hands-on approach, the Spirit is sure to please. There are 24 knobs, 10 switches and 15 sliders to start. There are 3 performance wheels for controlling the Pitch, Mod-X and Shaper-Y modulation effects (see LFO specs below). Using those with the Arpeggiator can get pretty wild. The Arpeggiator features 3 modes: Ripple (Up/Down), Arpeggio (Up several octaves) and Leap (Goes up 1 and then 4 octaves). There are also Auto and preset Glide modes for getting some elasticity or bending effects. Since all the LFOs, envelopes and filters are quite flexible you are sure to get some weird noises, fat basses, synths, etc. with the Spirit. This is a synth that rewards patience, experience, and a lot of thought rather than aimless knob twiddling. But once you've mastered it, all the classic analogue timbres are at your fingertips: warmth, smoothness, grittiness, and screaming analogue pain, all produced with depth, expression, and as much complexity as you could ever desire."

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The Crumar Spirit on Sound on Sound

The Crumar Spirit came up on the AH mailing list recently and non other than Gordon Reid posted a link the the SOS article on the Crumar Spirit. SOS is a great resource in that they post many of their reviews free of charge online.



"Nevertheless, Crumar singularly failed to make it into the big league, so when they announced the Spirit in 1983, nobody took any notice. The world's interest was only marginally more piqued when Crumar let it be known that Jim Scott (one of the co-designers of the Minimoog), Tom Rhea (another Moog employee best known for writing many of Moog's synthesizer manuals) and none other than Bob Moog himself had helped design it. And that's a shame, because, as you will see, the Spirit is one of the most complex, challenging, and -- above all -- powerful monosynths ever produced."

Vintage 1983 Crumar Spirit — Bob Moog Designed Masterpiece SN 00045

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

via this listing

"While this gorgeous vintage Moog-designed Crumar Spirit synthesizer is in exceptionally nice cosmetic shape, it will need a basic calibration and the noise generator will need to be addressed for it to be 100% factory functional.

With this being said — this 1983 Crumar Spirit is an absolutely stunning, tonally mind-blowing, and creatively mesmerizing synth. There is not much to say that hasn’t been said before. One of Bob Moog’s finest designs, and one of the very rarest. An extremely flexible analog mono synth with 2 VCO’s, a legendary filter section, many features I could cherry-pick through… I encourage you to feel free to reach out with any questions regarding the technical functions of this synth, if you don’t know much about these. I imagine that many of those viewing this listing know precisely what they are looking at.

The Spirit is fully original aside from 4 replaced switches; the original switches will be included in the sale. It is near mint cosmetically, aside from one tiny chip on the back-side corner (see pics) and the aforementioned replaced switches. Truly a sight to behold in person. As I mentioned earlier, the synth could use a calibration and the noise generator is currently non-functioning; but otherwise the Spirit is working 100%. Included in the sale is the original, fitted leather case."

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Crumar Spirit Brains & René

YouTube Uploaded by Ebotronix on Jul 28, 2011

"Crumar Spirit & Make Noise Brains & Renè
Pitch in and second VCO in from Make Noise Brains
Filter In Wogglebug & Moog MP201 via CF251
Audio: Spirit -Moog Bass Murf & Phaser
master clock Logic via Kenton Pro 2000 II to 4ms RCD
Spirit Gate in (15V) amplified by Doepfer A 183-3
Spirit ADSR out to Spirit Audio in
for use the Ringmodulater with the Filter (Shaped Output)
Drums Logic Ultrabeat
6 Spirit tracks"

Crumar Spirit

via this auction

"OK, by now, everyone knows the Crumar Spirit was designed by some of the Moog folks, namely Dr Moog, Tom Rhea, and Jim Scott. What's never been explained is how or why. That's where I come in. This is how it might have happened...

Let's first set the stage.

The year is 1982. The monophonic Prodigy and Rogue were still in production. Moog's attempt at a less-knobby synth (the Source) had been released the year before. The powerful but problematic MemoryMoog had finally started to ship and everyone involved really needed a break because of all the problems. New development had temporarily ground to a halt as all hands came on board to salvage the MemoryMoog effort.

During this time, the Rhodes Chroma had also recently been released.

Three Moog folks - Dr Moog, Tom Rhea, and Jim Scott decided to take a short holiday overseas to unwind and reset. They chose Italy as their destination and set off on their trip.


Meanwhile...
In Italy, Crumar had the DS-2 and Performer synths out there. They had also teamed up with a New York based firm to create the GDS and Synergy but they were having as many problems with them as Moog and ARP did with their recent polysynths.

So, the three Moog employees are in Italy, touring around and checking out the local culture. A chance meeting with Mario Crucianelli kickstarts an idea for a new synth. Moog as a company is stretched too thin and is too worn out to take on any new R&D. Dr. Moog and friends discuss features that they'd like to see. Since this isn't going to be branded as a Moog, there is some more freedom to borrow ideas from other synths and to vary from the traditional Moog designs. They have had good luck with the CEM 3340 and 3360 ICs in the MemoryMoog and the Chroma was using the 3350 VCF to create some unusual routings and new sounds. Rather than worry about licensing a Moog filter for this product, the team decided to go off on a new track and try a pair of 3350's and provide separate control over each filter chip.

The idea for a monosynth that could sound traditional or radically modern was born and the Spirit is the result.

Well, that's how it might have happened...

Let's get back around to the auction now.
I have a Crumar Spirit, serial # 62, that's been cleaned and calibrated. In addition to the synth (110 volts) and power cord, I'm including the owner's manual and schematics. In addition, I sketched out the trimpot locations and names for the VCO board to make future calibrations easier. As an added bonus (I'm all about giving you guys bonuses), I'm including 2 CEM 3340 VCO ICs, 1 CEM 3350 filter IC, and 2 CEM 3360 VCA ICs. So you'll never have to worry about CEMs again."

Crumar Spirit No. 1 - Marc Doty at the Bob Moog Foundation

Marc Doty has a new post up at The Bob Moog Foundation website. You'll find more of his discoveries including Crumar Spirit No. 1 pictured here.

"The phrase that kept playing in my head was 'kid in a candy store.' But it was not that. It was more like a kid in a candy world… in a world… well, of pure imagination. Yeah, that’s right. Let Gene Wilder sing that song in your head for a bit, and listen to the lyrics. They all apply."

Be sure to see the post for more.

The Spirit of course was a joint venture between Bob Moog, Jim Scott and Tom Rhea.

via wikipedia:
"Crumar's Spirit synthesizer was originally designed by Bob Moog himself, along with Jim Scott & Tom Rhea. In 1983, they started producing digital synthesizers under the name of Bit, which were marketed in the US under the name Unique."

Crumar Spirit SN 00015 w/ Gig Bag

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

via this auction

"Serial number 15 It is extremly rare: about 50 models ever made!!! The Crumar Spirit was designed in 1982 by Bob Moog, Jim Scott & Tom Rhea. The Spirit is original about his amazing not standard features, only fifty to one hundred of these beauties exist! It come in EXCELLENT cosmetic and perfect working order, still with the original skin travel bag. The Crumar Spirit was designed in 1982 by Bob Moog, Jim Scott & Tom Rhea. It was not a commercial success so only fifty to one hundred of these beauties exist! It has a 37-note keyboard with 2 VCO’s. There are saw, triangle, and several square waveforms on both oscillators. You can sync both oscillators. The oscillators have an octave range from 32′ to 4′. Ring Modulation, low and high pass filters, 12 DB & 24DB slope, single & multiple triggering, keyboard filter tracking, band pass filtering, loudness envelope, filter envelope, arpeggiator linked to LFO (mod-X) with 4 different arpeggiations, LFO 1 modulated 6 different ways, a second waveshapable LFO called (shaper-y) with 4 fixed waveforms and shape control adjustable from saw to reverse-sawtooth, performance panel to include Auto & preset glide, and 3 performance wheels, pitch, Mod-x, and Shaper -Y. with the latter 2 having 5 different destinations. An audio mixer with ability to mix OSC A & B with Ring Modulator, and Noise. LFO 1 also has a red noise generator as well as a brightness control for overall boost of the high frequencies. A filter envelope with inverted and normal ADSR & a loudness envelope which can be bypassed. Output Jacks: External Gate in, External Pitch in, Keyboard Pitch out, Keyboard Gate out, OSC B Pedal, Filter Pedal, Shaper Audio Out, ADSR Mix Out, External Audio In. Features * Bob Moog design! * 37-note keyboard * Saw, triangle and several square waveforms on both ocillators Working voltage: 220 / 240 volts."

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1978 Crumar DS2 Synthesizer

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

via this auction

I think the seller is mixing up the Crumar Spirit with the DS2. From the listing:

"Der letzte von Robert Moog in den späten 70er Jahren entwickelte Synthesizer."

"The last synthesizer developed by Robert Moog in the late 70's."

Moog worked on the Crumar Spirit from 1983.

via Wikipedia: "In 1978, Crumar released their first full-fledged synthesizer, the DS-2, which had one of the earliest digitally controlled oscillators (DCO).[2] Crumar synthesizers are comparable and contemporaneous to Moog synthesizers and other analog synthesizers; in fact, the Crumar Spirit synthesizer (1983) was designed by Bob Moog himself, along with Minimoog co-designer Jim Scott and Tom Rhea (who wrote Moog manuals)."

2024 Crumar Spirit

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

via this listing

"One of only 100 Crumar Spirits created this year by Crumar in Italy. Identical to the original 1980s Crumar Spirit (codesigned by Bob Moog), in every way – except this one includes MIDI.

Very rare synth. Sounds amazing. A chance to own a future-perfect Crumar Spirit. Will ship internationally at the buyer's expense if needed. I am in Continental Europe."

Video in the listing by Hainbach previously posted here.

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Crumar Spirit by Cherry Audio - Part 2: Beyond the original classic

video upload by CatSynth TV

"We continue our deep dive into the new Crumar Spirit by Cherry Audio, a meticulous software recreation of the legendary and elusive Crumar Spirit analog synthesizer from the early 1980s. This is Part 2 of a two-part series. In this part, we go over the arpeggiator as well as several new features added by Cherry Audio to enhance the possibilities of this instrument.

If you haven't yet seen Part 1, we recommend checking that out first. [in the announcement post here]

To find out more about Crumar Spriit by Cherry Audio, please visit: https://cherryaudio.com

00:00 Introduction
00:28 Matrix Z
06:28 Voice modes
11:29 Arpeggiator
18:08 Effects (main path)
26:47 Effects (Shaper Y path)
33:06 Factory presets
38:33 More factory presets (Andrew Longhurst collection)"

Merch: https://shop.catsynth.com
Patreon: / catsynth
Ko-Fi: https://ko-fi.com/catsynth

Crumar Spirit

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

via this auction

Details:

"Only about 100 of these made which makes this a very rare find. This keyboard have been compared to the top analog keyboards on the market. The Crumar Spirit was originally designed by Bob Moog (himself), Jim Scott & Tom Rhea and released back in 1983. It is a full featured analog monophonic synthesizer with 2 VCO's so it's got a pretty fat tone, but not as much as the classic 3-VCO Minimoog. However it is considerably more flexible than the latter. It has a basic 37-note keyboard without velocity or aftertouch. The two oscillators feature basic sawtooth, triangle and square waves and can be synced together. The filter section is very nice featuring low-, high- and band-pass filters and switchable 12dB or 24dB slopes. Other features of the filter include an independent envelope with inverted and normal ADSR, key tracking and single or multiple triggering of the filter. Some other features of the Spirit include a built-in ring-modulator, an Arpeggiator with 3 different patterns and that can be linked to the LFO, and there's an external audio input for running external sounds through its filters, LFOs or Ring Mod. For the hands-on approach, the Spirit is sure to please. There are 24 knobs, 10 switches and 15 sliders to start. There are 3 performance wheels for controlling the Pitch, Mod-X and Shaper-Y modulation effects (see LFO specs below). Using those with the Arpeggiator can get pretty wild. The Arpeggiator features 3 modes: Ripple (Up/Down), Arpeggio (Up several octaves) and Leap (Goes up 1 and then 4 octaves). There are also Auto and preset Glide modes for getting some elasticity or bending effects. Since all the LFOs, envelopes and filters are quite flexible you are sure to get some weird noises, fat basses, synths, etc. with the Spirit."

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Crumar Spirit 1983 Analog Synthesizer designed by Bob Moog SN 00085

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

via this auction

"#085 of 200 units ever made!! This is a special piece of analog synth history. One of the rarest most exotic monophonic synths ever made.

The Crumar Spirit was originally designed by Bob Moog (himself), Jim Scott & Tom Rhea and released back in 1983. It is a full featured analog semi-modular monophonic synthesizer with 2 VCO's so it's got a pretty fat tone that is considerably more flexible than the Minimoog. It has a basic 37-note keyboard. The two oscillators feature basic sawtooth, triangle and square waves and can be synced together.

The filter section is very nice featuring low-, high- and band-pass filters and switchable 12dB or 24dB slopes. Other features of the filter include an independent envelope with inverted and normal ADSR, key tracking and single or multiple triggering of the filter. Some other features of the Spirit include a built-in ring-modulator, an Arpeggiator with 3 different patterns and that can be linked to the LFO, and there's an external audio input for running external sounds through its filters, LFOs or Ring Mod.

For the hands-on approach, the Spirit is sure to please. There are 24 knobs, 10 switches and 15 sliders to start. There are 3 performance wheels for controlling the Pitch, Mod-X and Shaper-Y modulation effects (see LFO specs below). Using those with the Arpeggiator can get pretty wild. The Arpeggiator features 3 modes: Ripple (Up/Down), Arpeggio (Up several octaves) and Leap (Goes up 1 and then 4 octaves). There are also Auto and preset Glide modes for getting some elasticity or bending effects. Since all the LFOs, envelopes and filters are quite flexible you are sure to get some weird noises, fat basses, synths, etc. with the Spirit."

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Original Crumar Spirit w/ MIDI

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

via this Reverb listing

"The Synthesizer is in perfect condition and has only minor signs of using. It got a Midi Upgrade and it works perfectly. The Synth was mainly used privately and has not seen any performances or anything else. Please note that I am only selling the device without accessories. No bags, cases, stands, Manuals, Speakers or anything else. Only the musical instrument including power cable is supplied.

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Crumar Spirit Korg SQ 10 expansion unfinished

flickr By elektrobahnmusik

"here is a sneak peak at part of the next system i'm taking on the road.. the panels were finished today and await fitting switches, pots, and jacks... update soon................. i know some looking at this will probably lose their minds when they see a "destroyed" Crumar Spirit. no keyboard??? why did you ruin a Spirit??? well i didn't.. it's not... i wouldn't... my Spirit actually rides in 1st class while i suffer in economy. the truth is the Spirit has had the keyboard and the wooden case removed for two reasons. the first.... so the case doesn't get destroyed by using it on the road. the second... it shaves about 25 pounds off of my flight weight. i don't use the keyboard. i use sequencers and a ton of external modulation on top of the already crazy routing it has. it behaves very similarly to a modular. i like. i use it. and all it it needs to be returned to original is pop it back in the case and plug the connectors back in. it's a synthesizer that rarely gets seen and even more rarely heard.... it needs to played not placed in a museum.. it needs to be heard and not be treated like a Unicorn...."

Vintage Prototype Crumar Spirit Moog-Made Italian Analog Synth

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

via this auction

"Rare, vintage Moog-Made Crumar Spirit in excellent working and cosmetic condition with original case. This is a prototype made for Crumar that never actually went into production. Depending on who you talk to, this is 1 of 100, or 1 of 200 units made. This is serial number 0078.

Designed by Bob Moog, Jim Scott & Tom Rhea and released back in 1983. The Spirit is similar to a 2 VCO MiniMoog, but is considerably more flexible. 37-note keyboard, and the 2 oscillators feature basic sawtooth, triangle and square waves and can be synced together.

The filter section features low, high, and band-pass filters and switchable 12dB or 24dB slopes. Other features of the filter include an independent envelope with inverted and normal ADSR, key tracking and single or multiple triggering of the filter. Some other features of the Spirit include a built-in ring-modulator, an Arpeggiator with 3 different patterns that can be linked to the LFO, and there's an external audio input for running external sounds through its filters, LFOs or Ring Mod.

24 knobs, 10 switches and 15 sliders. 3 performance wheels for controlling the Pitch, Mod-X and Shaper-Y modulation effects. The Arpeggiator features 3 modes: Ripple (Up/Down), Arpeggio (Up several octaves) and Leap (Goes up 1 and then 4 octaves)."

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Crumar Spirit Demo

Published on Nov 17, 2014 perfectcircuitaudio

"This demonstration is intended to show the sound/features of the Crumar Spirit. Enjoy!"

Perfect Circuit Audio on eBay - Crumar Spirit currently listed here (pics captured here).

Crumar Spirit

YouTube via fututronic. via Nusonica.

"The Crumar Spirit was designed in 1982 by Bob Moog, Jim Scott & Tom Rhea. It was not a commercial success so only fifty to one hundred of these beauties exist!

It has a 37-note keyboard with 2 VCO's. There are saw, triangle, and several square waveforms on both oscillators. You can sync both oscillators. The oscillators have an octave range from 32' to 4'. Ring Modulation, low and high pass filters, 12 DB & 24DB slope, single & multiple triggering, keyboard filter tracking, band pass filtering, loudness envelope, filter envelope, arpeggiator linked to LFO (mod-X) with 4 different arpeggiations, LFO 1 modulated 6 different ways, a second waveshapable LFO called (shaper-y) with 4 fixed waveforms and shape control adjustable from saw to reverse-sawtooth, performance panel to include Auto & preset glide, and 3 performance wheels, pitch, Mod-x, and Shaper -Y. with the latter 2 having 5 different destinations. An audio mixer with ability to mix OSC A & B with Ring Modulator, and Noise. LFO 1 also has a red noise generator as well as a brightness control for overall boost of the high frequencies. A filter envelope with inverted and normal ADSR & a loudness envelope which can be bypassed. Output Jacks: External Gate in, External Pitch in, Keyboard Pitch out, Keyboard Gate out, OSC B Pedal, Filter Pedal, Shaper Audio Out, ADSR Mix Out, External Audio In.

Features * Bob Moog design! * 37-note keyboard * Saw, triangle and several square waveforms on both ocillators" Crumar Spirit video.