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 - 6/15/2025

1000 SERIES MODULE NEWS

SHORT SUMMER SALE - ENDS 6/30/25

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 1066 Dual Mode Filter 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 1066 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. IT DIFFERS IN SOUND FROM THE 2600 FILTER BECAUSE IT USES A PURELY BIPOLAR SIGNAL PATH. 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 1070 LOW NOISE PRECISION MIXER IS AN 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.
         
 
       
 

1000 SERIES MODULE PRICING

UPDATED - 6/15/2025

SHORT SUMMER SALE

   
       
MODULE  
price in USD
 
 
 

1004

1004OP

1006

1016

1033

1036

1047

1050

1051

1055

1067

1070

 

PEARLMAN VCO W T-MIXER

OUTPUT EXPANDER KIT FOR 1004

PEARLMAN FILT-AMP

DUAL NOISE / RANDOM VOLTAGE

DUAL ENVELOPE W DELAY

DUAL S/H, CLOCK, NOISE

COLIN MULTIMODE FILTER

MIX-SEQUENCER

MIX-SEQUENCER EXPANDER

TRIPLE MODULATOR

ARP CURRENT MIRROR VCA

PRECISION AUDIO MIXER

 

$729.00

$129.00

$699.00

$519.00

$629.00

$699.00

$589.00

$729.00

$679.00

$629.00

$529.00

$499.00

 

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  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:

Module shipments will use UPS or Fedex. 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 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.

HERE IS A LINK FOR 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