THE CMS EURO RACK SYSTEM

CURRENT AVAILABILITY AND PRICING PAGE

 
         
                 
       

Production:

or back to:

 
         
  A Euro Rack 2500 sample system from CMS/Discrete Synthesizers.  
         
   
A suggested arrangement of modules for a 12 module CMS Euro-Rack system.
   
         
   
     
                 

 

UPDATED - 7/28/2026

1000 SERIES MODULE NEWS

WE HAVE ADDED SEVERAL NEW MODULES

 

SEE PRICING BELOW

WE RECENTLY ADDED A TUTORIAL PAGE FOR MAKING PATCH CABLES

 

 
     
  Another view of the CMS Euro Rack sample system.  
     
     
                 
 
        1004 VCO and T Mixer             1004OP VCO expande module                 1006 Filt-Amp        
 

THE CMS 1004T PEARLMAN OSCILLATOR IS AN EXACT REPRODUCTION OF THE UNIQUE AND REVOLUTIONARY TEMPERATURE COMPENSATED VCO CIRCUIT COMBINED WITH ANOTHER CIRCUIT UNIQUE TO THE 2500 - THE "T" WAVEFORM MIXER - BOTH DESIGNED BY ALAN R. PEARLMAN.

 
   
THE CMS 1004OP OSCILLATOR OUTPUT EXPANDER KIT PROVIDES 5 SIMULTANEOUS VCO OUTPUTS AS WELL AS AN ADDITIONAL T MIXER OUTPUT. IT COMES WITH A DETACHABLE WIRING HARNESS. 4HP WIDE. CURRENT ISSUE 1004 MODULES NOW FEATURE A NEW REAR CONNECTOR - NO SOLDERING.
 
 
THE CMS 1006 PEARLMAN FILT-AMP IS THE CORE OF THE 2500 SYSTEM. IT IS A TRIPLE MODULE: A HIGH QUALITY 4 INPUT AUDIO MIXER. A GREAT SOUNDING 4 POLE DISCRETE TRANSISTOR LADDER FILTER. THE CLASSIC ARP CURRENT MIRROR VCA WITH SIMULTANEOUS EXPONENTIAL AND LINEAR CV RESPONSES.
 
                         
          1016 Dual Noise Generator           1033 Dual Envelope Generator with Delay         1036 Dual Sample and Hold Module        
 
THE CMS 1016 DUAL NOISE AND RANDOM VOLTAGE GENERATOR MODULE PRODUCES HIGH QUALITY, TRUE RANDOM NOISE SIGNALS AS WELL AS THE DISTINCTIVE SLOW RANDOM SIGNALS. THESE ARE VERY USEFUL AS MODULATION SOURCES.
 
   
THE CMS 1033 DUAL ENVELOPE GENERATOR WITH DELAY USES SPECIAL HIGH GAIN TRANSISTORS TO ATTAIN SOME VERY FAST RESPONSE TIMES. LIKE ALL OF OUR MODULES, THE CMS 1033 USES THE EXACT DISCRETE CIRCUITRY THAT THE ORIGINAL 1033 USED, MADE TO CMS'S ULTRA HIGH STANDARDS.
 
 
THE CMS 1036 DUAL SAMPLE & HOLD IS A MODULE THAT UTILIZES 6 SEPARATE CIRCUITS IN A COMPACT AND FUNCTIONAL FORMAT. THERE ARE: 2 INDEPENDENT VOLTAGE CONTROLLED LOW FRQUENCY PULSE OSCILLATORS WITH EXTERNAL CONTROL. TWO HIGH PRECISION SAMPLE AND HOLD CIRCUITS AND TWO INDEPENDENT WHITE NOISE GENERATORS.
 
                                                     
1047 Multimode Filter 1050 Mix-Sequencer 1051 Mix-Sequencer Expander    
                                             
 
THE CMS 1047 MULTIMODE FILTER IS AN IMPROVED VERSION OF THE FAMOUS ARP 1047. IT HAS SIGNIFICANTLY LOWER NOISE SPECS COMPARED TO THE ORIGINAL. IT IS A KEY INGREDIENT IN OBTAINING THE ARP 2500 SOUND. THE CMS 1047 IS NOW AVAILABLE FOR PURCHASE. CLICK HERE FOR MORE INFORMATION.
 
   
THE CMS 1050 MIX-SEQUENCER IS A FAITHFUL REPRODUCTION OF THE FAMOUS ARP 1050 MODULE. IT UTILIZES THE EXACT DISCRETE AUDIO SWITCHING CIRCUITRY THAT THE ORIGINAL ARP 1050 USED. DC VOLTAGE IS PRE-PATCHED TO ALL INPUTS FOR STANDARD VOLTAGE SEQUENCING.
 
THE CMS 1051 MIX-SEQUENCER SLAVE EXPANDS THE 1050 MIX SEQUENCER TO THE FULL 8 CHANNELS. THIS MODULE CAN ALSO FUNCTION INDEPEDENTLY AS A HIGH QUALITY 4 CHANNEL MIXER. THIS MODULE IS DESIGNED FOR LARGER SYSTEMS. 3 AUX BINARY GATE OUTS ARE PROVIDED FOR RHYTHMIC TRIGGERING.
 
   
 
1055 Triple Modulator 1067 Current Mirror VCA
   

THE CMS 1055 TRIPLE MODULATOR IS AN UPDATED AND MUCH MORE USEFUL VERSION OF THE ARP 1005 MODULE. IT USES THE EXACT CIRCUITRY THAT THE ARP 1005 USES WITH BASICALLY A REVERSED SIGNAL PATH ORDER, PLUS AN ADDITIONAL VCA FOR PANNING AND VOLTAGE CONTROLLED MIXING EFFECTS, JUST TO NAME A FEW.

   
THE CMS 1066B ARP LADDER FILTER IS AN IMPROVED VERSION OF THE FILTER SECTION FROM THE ARP 1006 FILT-AMP MODULE. IT IS ARP's VERSION OF THE TRANSISTOR LADDER. OUR UPDATED VERSION NOW FEATURES A 5 INPUT AUDIO MIXER. CMS MODE SWITCH FOR POWERFUL "Q".
 
THE CMS 1067 CURRENT MIRROR VCA IS A UNIVERSAL MODULE. IT IS A FAITHFUL REPRODUCTION OF THE 2500 VCA CIRCUIT USED IN THE ARP 1006 AND 1005 MODULES. IT IS ALSO AN IMPROVED VERSION OF THE VCA USED IN THE ARP 2600.
     
     
    1070 Low Noise Mixer    
           
 
     
 

THE CMS 1015 QUAD RESONATOR IS DESIGNED TO SIMULATE RESONANT ENCLOSURES OFTEN FOUND ON TRADITIONAL INSTRUMENTS. IT IS ALSO USEFUL FOR GETTING UNUSUAL AND UNIQUE SYNTHESIZER TONALITIES. WHAT DOES IT SOUND LIKE? A MORE POWERFUL MOOG FIXED FILTER BANK WITH VARIABLE FREQUENCY AND RESONANCE

 
     
   

THE CMS 1070 LOW NOISE PRECISION MIXER IS A HIGH QUALITY AC COUPLED AUDIO MIXER SPECIFICALLY DESIGNED TO MIX MULTIPLE OSCILLATORS OR ANY OTHER AUDIO SOURCES TOGETHER FOR FURTHER PROCESSING THROUGH FILTERS, RING MODULATORS AND VCAs.

 

     
  THE CMS 1020 DUAL PRECISION QUANTIZER IS USEFUL FOR DIGITIZING THE VARIABLE OUTPUTS OF SEQUENCERS. IT PERMITS YOU TO SWIFTLY DIAL IN NOTES EXACTLY ON PITCH, DIVIDED INTO SEMITONES, WHEN COMPOSING ON AN ANALOG SEQUENCER. EXCELLENT FOR CREATING SERENDIPITOUS BASS LINES.  
     
         
           
             
           
             
 
     

THE CMS 1017 SEQUENCER IS AN UPDATED CROSS BETWEEN THE ORIGINAL ARP 1027 SEQUENTIAL CONTROLLER AND THE ARP 1601 TABLETOP SEQUENCER. IT CAN SEQUENCE VOLTAGES AND GATES IN 2 ROWS OF UP TO 8 STEPS OR 1 ROW OF UP TO 16 STEPS. THERE IS A BUILT IN, TRIGGERABLE ELECTRONIC SWITCH THAT LETS YOU SWITCH BETWEEN ROWS A1 AND B2

THE CONTROLLER SECTION FEATURES A CLOCK THAT IS ACTUALLY A FULLY FUNCTIONAL 2600 VCO. IT CAN RUN AT AUDIO FREQUENCY AND IT WILL TRACK KEYBOARD CONTROL VOLTAGES PERFECTLY. THIS ENABLES THE 1017 TO FUNCTION AS AN AUDIO SOURCE OR AIRBITRARY FUNCTION GENERATOR. IT CAN PRODUCE COMPLEX STEPPED WAVESHAPES WITH HIGH HARMONIC CONTENT.

 
     
 

THE CMS 1018 SEQUENCER EXPANDER PROVIDES 16 MORE VOLTAGES AND 16 MORE GATES TO THE 1017 SEQUENCER. THIS EXPANDS THE CAPACITY OF THE 1017 TO: 2 ROWS OF 16 STEPS OR 1 ROW OF 32 STEPS.

STEP COUNTS LESS THAN 16/32 ARE AVAILABLE - GATE ROW 1 USES 3 POSITION TOGGLE SWITCHES THAT DETERMINE IF THE GATE IS ON (UP) OR OFF (CENTER). IF THE SWITCH IS DOWN, THE STEP COUNT WILL RESET TO THE SETPS INDICATED.

 
     
 
 
                 
       
   
       
 

1000 SERIES MODULE PRICING

UPDATED - 7/28/2026

CURRENT PRICES

   
       
MODULE  
price in USD
 
 
 

1004

1004OP

1006

1015

1016

1017

1018

1020

1033

1036

1047

1050

1051

1055

1066B

1067

1070

 

PEARLMAN VCO W T-MIXER

OUTPUT EXPANDER KIT FOR 1004

PEARLMAN FILT-AMP

QUAD RESONATOR

DUAL NOISE / RANDOM VOLTAGE

SEQUENCER CONTROLLER

SEQUENCER EXPANDER

QUANTIZER

DUAL ENVELOPE W DELAY

DUAL S/H, CLOCK, NOISE

COLIN MULTIMODE FILTER

MIX-SEQUENCER

MIX-SEQUENCER EXPANDER

TRIPLE MODULATOR

BIPOLAR LADDER FILTER w MIXER

ARP CURRENT MIRROR VCA

PRECISION AUDIO MIXER

 

$849.00

$149.00

$769.00

$699.00

$629.00

$1699.00

$849.00

TBA

$779.00

$829.00

$749.00

$829.00

$799.00

$779.00

$699.00

$629.00

$579.00

 

in stock

sold out

in stock

in stock

in stock

special order

special order

9/2026

in stock

sold out

in stock

sold out

sold out

in stock

in stock

in stock

sold out

 
 
 
 
       
   
     
  Euro Rack 2500 Sample System  
     
 
       
   
     
 

Ordering inside the US:

To initiate an order, request an estimate or to request a PayPal invoice, please email us at filter@discretesynthesizers.com and we will respond within 24 hours.

Accepted payment methods:

PayPal: Send a paypal payment to filter@discretesynthesizers.com to order. US residents: Please add 3.5% of the total for PayPal fees. Send us a short email to request a PayPal invoice.

Bank Transfer: You can also send a bank wire transfer. Please add $16.00 USD for wire transfer charges. Contact us by email for PDF estimate and bank info.

Venmo: You can avoid paypal fees and wire transfer fees by sending a Venmo payment to @Philip-Cirocco. Send us a short email to request a PDF estimate/invoice.

Check: You can avoid paypal fees and wire transfer fees by sending a personal check or US postal M. O. to CMS/discretesynthesizers.com. Send us a short email to request a mailing address.

Domestic shipping and insurance prices within the continental US - USPS priority:

1 MODULE - $32.00 USD fully insured.

2 MODULES - $38.00 USD fully insured.

3 MODULES - $60.00 USD fully insured.

4 MODULES - $68.00 USD fully insured.

International shipping and insurance:

All overseas orders are non-returnable and non-cancellable.

Module shipments will use UPS. Contact us by email for a shipping estimate. Shipping and insurance is to be pre-paid by the customer. The customer is responsible for all VAT, duties and taxes, if any.

Send a paypal payment to filter@discretesynthesizers.com to order. Please add 5% for PayPal fees. We will send you a PDF showing your payment.

You can avoid paypal fees by sending a international bank wire transfer. Charges usually amount to $16.00 but it depends on the country. Contact us by email for bank info.

 

 
     
 
       
   
       
 

Cabinets and Power Supply

At this point in time we do not offer or sell cabinets or power supplies for our eurorack 2500 modules.

We can certify that any of the Doepfer A100 cabinets will work very well with our modules.

Our modules are 14HP wide.

84 HP and 168HP cabinets work very well with our modules.

19 inch rack mount cabinets:

We recommend the Doepfer A100G6.

This cabinet is 84HP so it will accommodate 12 of our eurorack 2500 modules.

Less expensive, wooden 84 HP cabinets are:

A-100LC3 - single row of 6 modules.

A-100LC6 - two rows of 6 modules, 12 modules total.

A-100LC9 - three rows of 6 modules, 18 modules total.

https://doepfer.de/a100_cases_e.htm

   
   
     
 
       
   
     
 

Important information on Patch Cables:

All CMS products use high quality Switchcraft input and output jacks. Other industry names for these jacks are “Tini-Jax” or .141” miniature phone jacks. The jacks are the exact same high quality, American made jacks that were used in the original ARP 2600, ARP 1601 Sequencer and ARP 2500. Buchla equipment also uses Tini Jax. We had to make a choice between the cheaply made, standard Euro Rack 3.5mm connector and the much more robust American made Tini-Jax version. Being the current popular service center for all ARP instruments made the choice an obvious one. These jacks and plugs are far superior in materials and construction than standard Euro Rack jacks and plugs. These American made jacks and plugs will last a lifetime.

Connecting standard Euro Rack 3.5mm cables into our jacks will work fine in most cases.

As it was with the original ARP 2500, the use of cables equipped with Switchcraft Tini Plugs is highly recommended.

Making cables is very easy

We have put together a detailed Patch Cord Assembly Guide, with step by step instructions, photos, part numbers and part sources.

DETAILED INFO ON HOW TO MAKE PATCH CABLES

 
     
 
       
 
     
 

DEMO VIDEOS HERE

SEE OUR

1000 SERIES USER TIPS PAGE

 

CLICK HERE FOR THE 9000 SERIES ARCHIVES

 
     
 
       
   
                 
CUSTOMER GALLERY
 
 
    Large CMS 2500 system in Japan     Small Mixed System  
           
        Experimental System at CMS
         
  custom cabinet for this CMS system  
         
             
    a customers massive CMS 2500 system  
 
         
 
   
   
     
   
 
 
     
   
e-mail: filter@discretesynthesizers.com
phone: 912-727-2195   ©2025 Phil Cirocco