Analog Metropolis: Analog Modular Synthesizer Kits
Introduction
A small but growing range of PCB's for "retro" analog synthesizer modules are now available from Analog Metropolis. These modules are all classic powerful designs from the 1970's, including E-mu
Systems, ARP, SCI. They are designed to be used in modern analog modular synthesizer systems. The PCB's can be easily mounted to a front panel using pot brackets (spaced at 40mm), or holes can be drilled
in the PCB to use PCB spacers. The PCB's uses the MOTM standard 4-pin Molex power connector. The PCB's are suited to Synth DIYers with some experience of electronics and building modules. I don't
recommend bare or populated PCB's for people who have no soldering or electronics experience...
RoHS compliant PCB's are ordered for customers on demand, to ensure you get a fresh PCB and not one
that has been stored for a year. The PCB manufacturer (Olimex) is in Bulgaria, and orders take 3 weeks. Prices are set to cover my costs and not to make profits. Payment is accepted via PayPal and prices
include air mail shipping anywhere and the inevitable PayPal fees. Please email me if you are interesting in making a purchase, as I like to discuss your requirements before an order is placed so we get it perfect for you!!
Bare PCB This is exactly what you would expect. A newly manufactured double sided PCB with
solder mask and component lettering with no components fitted. PCB's are typically 80x100mm or 100x125mm in size. You will need to find and buy all the components to build the module, they are
listed in the Project Notes which can be downloaded from this web site. I may be able to help with some of the hard to find components such as Tempco resistors and rare semiconductors, which I have specially manufactured for me.
Populated PCB This is a PCB that has all the PCB based components fitted, including:
- 1% metal film resistors
- Modern remanufactured PT146 Tempco resistors
- 20 turn cermet trimmers
- Turned pin IC sockets
- Low drift Op Amps and rare chips - except SSM and CEM - sorry!
- High quality capacitors - 1% polystyrene, WIMA polyester, Panasonic electrolytics
- Molex power connector - MOTM style
The modules are fully tested and have an initial trimmer setting. The kit excludes any front panel
mounted hardware such as potentiometers, switches and jack sockets, as customers usually like to use there own. The wiring needed for attaching pots and switches and jacks is NOT included but pot brackets are included to
enable the PCB to be mounted to a front panel using 1/4" or 1/8" shaft Spectrol pots. Lead time is typically 5 - 6 weeks depending on how many modules I am building for customers. Customers have bought these PCB's to fit into their own
synthesizer system as well as Roland 100M/Serge system/etc....
Replacing Old Sub Modules My PCB's are not direct replacements for ARP or E-mu Systems sub modules, however they can be
used to replace these sub modules by only partially populating the PCB and wiring it manually as a sub module replacement. I can advise but you'll need to know what you are doing. Project Notes include schematics.
Complete AM Modules Popular Analog Metropolis modules will be available soon from a USA based manufacturer in FracRac
format over the Internet and via an L.A retail store. Watch the Home Page for NEWS! Unfortunately I don't have the time to build AM modules, as I am too busy designing the next one!
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Link to detailed web page
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Low Pass Filter 24dB (SSM2040)
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High Pass Filter 24dB (SSM2040)
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Resonant Filter (SSM2020)
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Transient Generator (SSM2050)
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Low Pass Filter (CEM3320)
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ARP 4023 12dB low pass VCF
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ARP 4035 24dB low pass "Moog" VCF
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ARP 4075 24dB low pass VCF
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Please note SSM and CEM based modules DO NOT include the SSM or CEM chip.
Customers must source these parts themselves.
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