Stunning vintage modular: over-engineered and beautifully crafted. The sound is massive - muscular, rich and awe inspiring.
Monster vintage Polyfusion 2000 modular synth system. Includes 4 VCOs, Dual DADSR, Phase Shifter, Formant Filter, 3 Low Pass Filters, High Pass Filter, Ring Mod, keyboard and Roland MPU101 for connectivity.
This price is for it as it is – working but not recently serviced. Servicing may be possible – see below for more information.
Rare 1970s Polyfusion 2000 modular system for sale – commission instruction.
IMPORTANT: This new, lower price is for the synth as it is currently. It has not had a recent service, however it’s been used by a major electronic act for recording for some years. We have used it here and it’s working very well (demos below). There may be a few scratchy pots/sockets – we’ve found any minor issues have cleared with use.
If you want to get this serviced by us we can do that. Lead time would be 3 months. Get in touch if you need an estimate of the cost for this.
This stunning modular synth utterly staggering. The build quality is magnificent – over-engineered and beautifully crafted – and the sound is massive: muscular, rich and awe inspiring. If it sported a Moog badge it would be many times the asking price.
Complete with 2052 keyboard and a Roland MPU-101 interface for full connectivity. The owner uses it with midi via the MPU and it has featured on many recordings.
In addition to various VCAs, mixers, mults, attenuators etc, the modules include:
SHIPPING: Within the UK we will deliver by private courier for a cost of £200. Shipping to Europe and the USA will be by insured courier at our standard rates. Please get in touch if you need a quote.
Commission sale on behalf of a client. If you have gear that you want us to look at selling on your behalf then please look at our Commission & Consignment page for more information and get in touch to discuss your requirements.
In excellent cosmetic condition with only minor wear and signs of age. Please see photos or get in touch if you require more information on condition.
This auction item will have 20% VAT added to the final price for UK buyers. Buyers elsewhere may incur VAT or other local taxes on import.
Switchable voltage for use anywhere in the world - it will be set up ready for you to use before we ship.
As good as it gets. Tony, Dec and team have been incredible, prompt communication, great advice and outstanding service. It really felt like my Polysix came from a loving home.
Just wanted to say thank you so much for your pinch roller and echo tape. I've had a space echo for years, been sent to a shop in NYC and it never worked quite right. After installing the roller and tape, my echo works like a dream. Really incredible expertise you all have! Thank you.
“If not a new language, then at least a very challenging, old dialect that will take me some time to assimilate. I’ve been waiting a long time for the challenge. Thank you @soundgasltd, she’s a beaut...and nobody prepares and packs like you fine folks.”
Grabbed a Roland RE-201 (early edition killer pre-amp) and Roland DC-50. Absolutely STUNNING. These guys truly live up to the hype. They are meticulous in caring for the gear. Also, I have a few guitar pedal and plug-in emulations of tape-echo sounds and after plugging in the real unit I can't tell you how insane the difference is. It is incredible. Especially that tone from the early pre-amp! I am totally amazed. I am in heaven :) They made it safely to Nashville from the UK and were packed really really well! Thank you so much!! Worth every penny.
"808 is up and running. It’s hard to stop playing it. Like even to eat. Extending testing is quality control and the quality of your stuff combined with customer service is one of the reasons Soundgas is so successful in my opinion."
Fantastic. From initial contact to the product landing at my door the service provided was outstanding. Safe and secure shipping, quality serviced product.
“I’ve bought a number of items from Soundgas recently, and have been really impressed with their service. It takes the stress out of buying vintage gear to know it’s been properly (and faithfully) serviced or restored. Their after-sales service has also been exemplary. Highly recommended.”
Purchased a Juno-60 and it works beautifully. Having gotten one teched before, I knew it was worth paying a premium to get it future proofed and Soundgas does just that. Shipped professionally from the UK to USA. Appreciate their expertise and professional demeanor!
"The packing job to get it over to the US was superb, and the sound and performance of my Space Echo exceeds all of my expectations. I hope to do business with Soundgas again in the future. Many thanks!”
“The perfect place to hear, learn about and then buy your most wanted piece of vintage music gear! I've not only managed to buy a rare piece of equipment I really wanted, but I have the guarantee it's been serviced, and I got it from people who are clearly passionate and knowledgeable about what they do, as well as super friendly and responsive by email. Thoroughly recommended!”
“If you are a vintage audio gear head then this is the place you have been looking for all your life. Pretty much any piece of classic or obscure kit that you are after is available here... But the clincher for me is that the gear they sell has been restored by their top techs (unless otherwise noted) which is really very important when dealing with, for example, synths from 30 years ago.”
"Still in shock! Can not believe how good the seller is. This product was inspected, and shipped from the UK to the USA quicker than orders from my home state. Highly recommend these guys."
"Soundgas offer a great service, sourcing esoteric gear that works great."
"Excellent equipment, wonderful service. I fully recommend Soundgas to anyone in the vintage gear market and I will definitely be a return customer. The gear itself was exactly as advertised and in great condition."
“The Space Echo made its way to me - it looks and sounds beyond dreams, thanks guys for your great service and communication.”
"Finally, a company that tracks down all those brilliant curiosities that bring so much character and personality to a studio."
I have been buying vintage stuff for a long time from resellers/stores/techs. I've never been so surprised and pleased after opening! Just received a Roland RE-201 and VX55 mixer, they look and sound amazing! Thanks to Tony/Declan for the service and the Soundgas team will be back!
"Yes, sure, you can find a Space Echo on eBay, but you won’t find one like this — that’s certain. I am so pleased with my decision to buy from Soundgas, and suggest you stop your search now and just send them a message. You will undoubtedly find yourself writing an ecstatic review about yours in short time."
"Soundgas provided the absolutely top service in terms of item quality as well as service and communication. Shipping was fast, packing was top notch. These people deserve the best reputation they already have. Many many thanks, guys."
"Packed with love and care. A stampede couldn't have crushed this thing. Works great and sounds like a dream. I love you Soundgas."
“I purchased a completely overhauled vintage valve Binson Echorec 2 T7E modified with varispeed, wet-only output, and a new paint job from Soundgas in early 2018. Tony and his team did an amazing job during every step of the purchase”
"Just received my Roland RS 505 Paraphonic! Thanks so much - arrived very promptly, well packaged, in great condition and sounds amazing! Best seller."
“I have bought two Moog synths from Soundgas over the past year, and I cannot say enough wonderful things about their selection of vintage products, the level of service, diligent responses to email, and expedient shipping with copious protective packaging. Soundgas is an impressive operation. My synths also sound amazing! These folks have made my vintage keyboard dreams come true in short order!”
"DREAM. COME. TRUE. My music has taken me around the world a few times...and if you are like me and absolutely adore vintage gear...Soundgas is the stuff of LEGENDS. It's the shop that people like us search for our whole lives- fantastic and rare selections, and the technical know-how to repair and or mod these vintage items to get them into shape to flow with your modern setup."
"Soundgas has an unbelievable selection of the cool, old stuff that’s hard to find. Tony knows his stuff and goes out of his way to make sure the transaction is a smooth one. Thanks guys!"
“Imagine the perfect eBay.... with everything you never knew you wanted… and you can rest assured that your vintage and rare wobbly sound device will turn up on time and in one piece and possibly in even better condition that when it left the workshop. Soundgas - literally amazing."
"When you are spending big money of vintage gear it's nice to have the confidence of impeccable service, sales and support... some of the best in the industry! Impeccable people, incredible equipment… my poor poor fiancé"
"Engaging with old gear can sometimes be filled with a lot of uncertainty, and I can't imagine what more could be done to reduce this aspect of it on top of the service you provide. Really phenomenal and I couldn't be happier."
In March 2022 we delivered an Elka Drummer One and Roland Space Echo to London in order for Colleen to recreate her entire album live...
PUBLISHED: 4th May 2022
It's coming. Get first look at what we've been working on in our secret lab. A real stereo Roland tape echo...
PUBLISHED: 5th Apr 2022
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