Curtis CEM - AbsoluteAstronomy.com

Curtis CEM chips are analog chips

Integrated circuit

An integrated circuit or monolithic integrated circuit is an electronic circuit manufactured by the patterned diffusion of trace elements into the surface of a thin substrate of semiconductor material...

used in many synthesizer

Synthesizer

A synthesizer is an electronic instrument capable of producing sounds by generating electrical signals of different frequencies. These electrical signals are played through a loudspeaker or set of headphones...

s.

Curtis Electromusic Specialties, founded by Doug Curtis (d. 2007), developed a family of signal-processing

Signal processing

Signal processing is an area of systems engineering, electrical engineering and applied mathematics that deals with operations on or analysis of signals, in either discrete or continuous time...

products for electronic music synthesizers and audio equipment.

SSM and CEM

Chips List

SSM

SSM = Solid State Microtechnologies by solid state music

SSM2013 Voltage Controlled Amplifier
SSM2014 Voltage Controlled Element
SSM2015 Microphone Preamplifier
SSM2120/22 Dynamic Range Processor/Dual VCA
SSM2024 Quad Current Controlled Amplifier
SSM2033 Voltage Controlled Oscillator
SSM2044 4-Pole VCF
SSM2045 Music Voicing System
SSM2047 Music Voicing System
SSM2056 Voltage Controlled ADSR type Envelope Generator

CEM

CEM = Curtis Electromusic Specialities

CEM3310 ENV ADSR
CEM3312 ADSR + VCA
CEM3318 ADSR but microprocessor controlled
CEM3320 24dB/Oct. Filter (multi)
CEM3328 same but LPF only
CEM3330 exp/lin VCA
CEM3335 exp VCA
CEM3340 VCO (Saw,Tri,Pulse)
CEM3345 VCO (Saw,Tri,Pulse) with comparator
CEM3350 12dB/oct Multimode Filter x2 (no notch)
CEM3360 VCA x2
CEM3365 DAC
CEM3371 Envelope x2
CEM3372 24dB/oct. Filter, Mix, VCA
CEM3374 VCO x2 (PWMable Pulse, Tri, Saw)
CEM3378 24dB/oct. Filter, Mix, VCA but microprocessor controlled
CEM3379 24dB/oct. Filter, Pan, VCA but microprocessor controlled
CEM3381 VCA x2 linear
CEM3382 VCA x2 log
CEM3385 24dB/oct Filter (LoFi)
CEM3387 signal processor 3-4 pole cascade Filter, VC Pan/VCA
CEM3389 signal processor 4 pole Filter, VC resonance, VC Pan/VCA
CEM3391 Microprocessor Controllable: VCF,VCA,Env (ADSR)
CEM3394 Microprocessor Controllable: 1 Synth Voice: VCF,VCA,Env (ADSR),VCMix
CEM3396 Microprocessor Controllable: Wave-Shaper x2 - VCF,VCA

PA381 VCA (low noise)
PA382 VCA (low noise)
PD508 S/H (8x)
5508 predecessor of PD508 same function
5530 30ch multiplex sample&hold (Prophet VS)

SSM CEM chips in Synthesizers

at least these synths contain SSM CEM Chip (s)

Akai

Akai

Akai is a consumer electronics brand, founded by Saburo Akai as , a Japanese manufacturer in 1929. It is now headquartered in Singapore as a subsidiary of Grande Holdings, a Hong Kong-based conglomerate, which also owns the formerly Japanese brands Nakamichi and Sansui. The Akai brand is now used...

AX80
AX80
The AX80 is a polyphonic analogue keyboard synthesizer manufactured by Akai Professional in the mid-1980s. It was Akai's first venture into the professional electronic musical instrument market. The AX80 used digitally controlled analogue oscillators and filter circuitry based on the Curtis...

: 6x CEM3372 uP Signal Processor -CEM3372 Filter/Mix/VCA
AX60: 6x CEM3394 uP Voice

Banana

Banana created by Synthesizerstudio Bonn, since 1999 the SSB is closed..

Poly Synth: 12x CEM3310 EG, 12x CEM3340 VCO, 12x CEM3360 Dual VCA, 6x SSM2044 VCF

Cheetah

Cheetah MS6: 6x CEM3396 VC Waveshaper

Buchla

Buchla & Associates, Inc. is a manufacturer of electronic musical instruments, notably synthesizers and unique MIDI controllers. The 200e Electric Music Box and Lightning III are currently in production.-Buchla Music Box :...

296 Programmable Spectral Processor: 8x SSM2020 VCA, 1x CEM3360 Dual VCA

Fairlight

Fairlight is a digital audio company based in Sydney, Australia. In 1979 they created the Fairlight CMI, the first digital audio sampler, quickly used by artists such as Peter Gabriel, Kate Bush, and Jean Michel Jarre. They are now a manufacturer of media solutions tools such as digital audio...

Fairlight CMI
Fairlight CMI
The Fairlight CMI is a digital sampling synthesizer. It was designed in 1979 by the founders of Fairlight, Peter Vogel and Kim Ryrie, and based on a dual-6800 microprocessor computer designed by Tony Furse in Sydney, Australia...

II: 8x CEM3320 VCF in earlier versions, 8x SSM2044 VCF in later versions

Crumar

Crumar is an Italian company which manufactured synthesizers and keyboards in the 60's, 70s and 80s. Its name is taken from that of its founder, Mario Crucianelli...

Spirit: 2x CEM3340 VCO, 2x CEM3350 Dual VCF, 3x CEM3360 Dual VCA
Bit 01: 6x CEM3328 VCF Late Models, 6x SSM2044 VCF Early Models
Trilogy: 6x CEM3310 EG, 6x CEM3320 VCF, 6x CEM3330 Dual VCA, 1x SSM2020 VCA

Doepfer

Doepfer Musikelektronik GmbH is a manufacturer of audio hardware based in Gräfelfing, Germany, founded by Dieter Döpfer.The product range covers analog modular systems, MIDI controller, MIDI hardware sequencers, MIDI-to-CV/Gate/Sync Interfaces, MIDI master keyboards and special MIDI...

A107 Morph. Filter: CEM3379
A121 Multi Mode Filter/A122 LPFilter/A123 HPFilter: CEM3320
A-106-6 XP Filter: CEM3379
A-109 VC Signal Processor: CEM3379
A-111-1 High End VCO: CEM3340
A-130 VCA (linear)/A-131 VCA (exp.)/A-134 VC Panning: CEM3381
possibly: A111-2 Dyn. VCO uses CEM3394
Dark Energy , Monophonic Synthesizer: CEM3394

Elka

ELKA or Elka may refer to one of the following:*An Italian Synthesizer manufacturer, now defunct. Notable units include; ELKA Synthex, ELKA Rhapsody, ELKA X-55, and the ELKA MKxx series of MIDI controllers . Notable customers include Jean Michel Jarre, Tangerine Dream, Klaus Schulze and, Supertramp...

Synthex: 8x CEM3320 VCF

Ensoniq

Ensoniq Corp. was an American electronics manufacturer, best known throughout the mid 1980s and 1990s for its musical instruments, principally samplers and synthesizers.- Company history :...

ESQ1: 8x CEM3379 VC Signal Processor Filter/Mix/VCA, 1x CEM3360 Dual VCA, 4x SSM2300
Mirage: 8x CEM3328 VCF
SQ-80: 8x CEM3379 VC Signal Processor - Filter/Mix/VCA, 1x CEM3360 Dual VCA, 4x SSM2300

Keytek

CTS-2000: 1x CEM5530 30ch S/H, 8x CEM3389 VC Signal Processor

Kawai

The of Japan is best known for its grand and upright pianos, electronic keyboards and electronic synthesizers. The company was established in August 1927, and has its headquarters in Hamamatsu, Shizuoka.-Pianos:...

/Teisco

Teisco

Teisco was a Japanese manufacturer of affordable musical instruments from 1948 until 1969, and now its brand is owned by Kawai Musical Instruments Manufacturing Co. Ltd. . The company produced guitars as well as keyboard instruments, microphones, amplifiers and even drums...

K3: SSM2044 as in the K3m
SX-240: 8x SSM2044

Korg

is a Japanese multinational corporation that manufactures electronic musical instruments, audio processors and guitar pedals, recording equipment, and electronic tuners...

MonoPoly: 4x SSM2033 VCO, 1x SSM2044 VCF
PolySix: 6x SSM2056 EG, 6x SSM2044 VCF
Poly 61: 6x SSM2056 EG

Linn

Linndrum: 2x CEM3320 VCF, 1x CEM3360 Dual VCA

Moog

Moog synthesizer

Moog synthesizer may refer to any number of analog synthesizers designed by Dr. Robert Moog or manufactured by Moog Music, and is commonly used as a generic term for older-generation analog music synthesizers. The Moog company pioneered the commercial manufacture of modular voltage-controlled...

MemoryMoog: 19x CEM3340 VCO, 26x CEM3360 Dual VCA, 12x CEM3310 EG

Oberheim

Oberheim Electronics is an American company, founded in 1969 by Tom Oberheim , which manufactured audio synthesizers and a variety of other electronic musical instruments.-Oberheim Electronics:...

OB8 & OBX-a: CEM3360 Dual VCA, 16x CEM3340 VCO, 16x CEM3310 EG, 16x CEM3320 VCF
OB-SX: 2x CEM3340 VCO, 1x CEM3320 VCF, 2x CEM3310 EG, 1x CEM3360 Dual VCA
Matrix 6 & 6R /// Matrix 1000 Both Matrix use 6x CEM3396
Xpander: 3372 Signal Processor - CEM3372 Filter/Mix/VCA, 6x 3374 Dual VCO, 2x 6809 processors, CEM3320 VCF or equivalent, CEM3372
OB-1 (ame as OBI or OB-I): 2x CEM3310 EG
Prommer: 1x CEM3328 VCF

Paia

Paia may refer to:*PAiA Electronics, a synthesizer kit company*Paia, Hawaii*Paia, a type of embutido*Promotion of access to information act...

Proteus: 2x CEM3340 VCO, 1x CEM3320 VCF, 1x CEM3310 EG, 1x CEM3330 Dual VCA

PPG

PPG may stand for:* PPG Industries, a U.S. manufacturer, and its PPG Place office complex* PPG tankette, a Soviet armoured vehicle* Pacific Proving Grounds, a former US-operated nuclear test site* Palm Products GmbH, an audio synthesizer company...

PPG Wave (2.0) series used the SSM filter

Wave 2.0: 8x SSM2044 VCF
Wave 2.2 / 2.3: 4x CEM3320 VCF, 4x CEM3310 EG

Fender / Rhodes

Rhodes piano

The Rhodes piano is an electro-mechanical piano, invented by Harold Rhodes during the fifties and later manufactured in a number of models, first in collaboration with Fender and after 1965 by CBS....

Chroma: 8x CEM3350 Dual VCF, 8x CEM3360 Dual VCA
Polaris: 6x CEM3374 Dual VCO, 6x CEM3372 uP Signal Processor - CEM3372 Filter/Mix/VCA

Roland

Roland Corporation

is a Japanese manufacturer of electronic musical instruments, electronic equipment and software. It was founded by Ikutaro Kakehashi in Osaka on April 18, 1972, with ¥33 million in capital. In 2005 Roland's headquarters relocated to Hamamatsu in Shizuoka Prefecture. Today it has factories in Japan,...

SH101 and MC202: 1x CEM3340 VCO, CEM3360 Dual VCA
MKS-20: 5x CEM3360 Dual VCA
Jupiter 6: 12x CEM3340 VCO, 6x CEM3360 Dual VCA
MKS-80 (serial #511800 up, later models): 4x CEM3360 Dual VCA

RSF

RSF is a three-letter abbreviation that may refer to :* Republican Security Forces, a fictional fascist militia in the British science fiction series Doctor Who.* Republican Sinn Féin* Reporters Sans Frontières; see: Reporters Without Borders...

Kobol Expander I: 2x SSM2050 VCO, 1x SSM2040 VCF

Sequential Circuits

Sequential Circuits Inc. was a California-based synthesizer company that was founded in the early 1970s by Dave Smith and sold to Yamaha Corporation in 1987. The company, throughout its lifespan, pioneered many groundbreaking technologies and design principles that are often taken for granted in...

/ Dave Smith Instruments

Evolver series: Curtis for Filters

PROPHET 5: the first Prophet 5 series used the SSM filter, later they were changed to CEM
- Prophet 5 Rev 1 & 2: 11x SSM2030 VCO, 5x SSM2040 VCF, 10x SSM2050 EG, 21x SSM2020 VCA
- Prophet 5 Rev 3: 11x CEM3340 VCO, 10x CEM3310 EG, 5x CEM3320 VCF
Prophet 10: 22x CEM3340 VCO, 20x CEM3310 EG, 10x CEM3320 VCF
Prophet 600: 12x CEM3340 VCO, 6x CEM3372 VCF/VCA, 4x CEM3360 Dual VCA
PRO-1 (PRO ONE): 3x CEM3340 VCO, 2x CEM3310 EG, 1x CEM3320 VCF
Prophet T8: 16x CEM3340 VCO, 8x CEM3372 Signal Processor - CEM3372 Filter/Mix/VCA
UPDATE: T8 used 5x CEM3360(4 for polymod 1 for volume)

Six-Trax: 6x CEM3394 uP Voice, CEM3372 Filter/Mix/VCA
MAX: 6x CEM3394 uP Voice
Split8: 8x CEM3394 uP Voice

Prophet VS: 1x CEM5510 Fast Sample/Hold, 1x CEM5530 30ch S/H, 8x CEM3382 Dual Low Noise VCA, 8x CEM3378 VC Signal Processor - CEM3372 Filter/Mix/VCA
UPDATE:

VS used 2x CEM5530,4x CEM5510 (8chan s/h), 2X CEM3365(dual vca for vector mix)

Prophet 2000: CEM3379 VCF/VCA
Prophet 3000: CEM3387
Studio 440: 8x CEM3389 VC Signal Processor, 1x CEM3360 Dual VCA, 1x CEM5530 30ch Sample/Hold

Siel

Societa Industrie Elettroniche was an Italian company that made electronic organs and synthesizers in the 1980s.- Timeline of major products :* 1979 - Orchestra Societa Industrie Elettroniche (SIEL) was an Italian company that made electronic organs and synthesizers in the 1980s.- Timeline of...

DK600: 3x SSM2020 VCA, 6x SSM2024, 6x SSM2044 VCF
Opera 6: 6x SSM2024, 2x SSM2031, 6x SSM2044 VCF

Simmons Drums

SDS9/SDS1000: 3x CEM3394 VC Synth
SDS8: 5x CEM3372 VC
SDS5: SSM2044 - 1x per module
SDS800: 2x CEM3394

Solton

Solton SM100 analogue synthesizer (6 voices)： Each voice uses 2x　SSM2056 (ADSR) and 1x　SMM2045 (VCA+VCF)

Steiner Parker

EVI: CEM3340 VCO -SSM2040 VCF

Synton

Synrix: 2x CEM3310 EG, 2x CEM3340 VCO, 2x CEM3350 Dual VCF, 1x CEM3360 Dual VCA

Waldorf

- People :* William Waldorf Astor, 1st Viscount Astor , financier and statesman* Waldorf Astor, 2nd Viscount Astor , businessman and politician- Communities :United States* Waldorf, Maryland* Waldorf, MinnesotaGermany...

Wave: 16x CEM PD508 Multiplexer/S&H, 16x CEM 3387 VCA/VCF
Microwave1: 8x CEM3387 VCF,VCA,VCP, (later models) 8x CEM3389 VCF,VCA,VCP

External links

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SSM and CEM

SSM CEM chips in Synthesizers

See also

External links