PAIA 4700 Modular Synthesizer w/cables

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"4720 VCO x3, 4710 BALANCED MODULATOR x2, 4730 VCF x2, 4761 WING x2, 4740 ENVELOPE GENERATOR, 8780 D/CONVERTER, 8781 QuASH, 4711 4/2 MIXER, 4771 REGULATED POWER, 4750 CONTROL OSCILLATOR NOISE."

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Vintage 1981 PAIA 4700 Modular Synthesizer

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"This auction is for one super rare complete vintage used 1981 PAiA 4700 modular synthesizer. I purchased this modular synth several years ago. This modular synth powers up and everything is working. Cosmetically, the synth shows very little wear and looks great (see pictures). It has been in storage for some time, so it is a little dusty. This auction is for the 4700 modular synth in the pictures only. Here is a list of the modules:

LEFT SIDE
4712-Reverb
4730-VCF
4710-Balanced Modulator
4711-4/2 Mixer
4720-VCO
4720-VCO
4720-VCO
4770-Watt Block

RIGHT SIDE
4770-Watt Block
4770-Watt Block
4710-Balanced Modulator
4780-Sequencer
4761-Wing
4740-Envelope Generator
4720-VCO
5V P-P-Control Oscillator

This is a complete original Modular Synth with it's original two part carry case."

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Vintage Paia 2720 Analog Synthesizer Keyboard w/ 4740 ADSR

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PAiA 4700 Vintage Modular Synth

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(3) 4720 VCOs (Oscillators)

(2) 4740 EGs (Envelope Generators)

4730 VCF (filter)

(2) 4710 Balanced Modulators

4711 Mixer

4712 Reverb

(3) 4770 Watt Blocks (one with connecting cable)

4761 Wing (with power cable)

4780 Sequencer

Control Oscillator with Noise (no number)

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PAiA Modular

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"In the first enclosure there are two 4770 Watt Block power modules for 8 and 18 VDC, there is a 4740 Envelope Generator, a 4710 Balanced Modulator, a 2720-12 Inverter Buffer and a 2720-11 Envelope Follower.

In the second enclosure there is a 4771 Regulated Power complex power generator with variable voltages and polarities (rare), a 4730 Voltage Controlled Filter, a 4711 Four Into Two Mixer, a 4761 Wing power block, a 4720 Voltage Controlled Oscillator, two 4710 Balanced Modulators and a 4750 Control Oscillator Noise Generator.

There is included also the May 1973 Radio-Electronics article by John Simington (PAiA founder and recently unfortunately passed) titled Build A Modular Electronic Synthesizer wich provides wonderful background and support infos for the line of PAiA synth modules.

Also included are original copies of the documents for the 2720-1 Voltage Controlled Amplifier, 2720-2A Voltage Controlled Oscillator, 2720-3B Voltage Controlled Filter (Band-Pass), 2720-3L Voltage Controlled Filter (Low-Pass), 2720-4 Function Generator, 2720-5 Control Oscilator / Noise Source, 2720-7 Power Supply, 2720-8 Keyboard/Case ( and the assembly diagrams, the 2720-11 Envelope Follower/Trigger, 2720-12 InverterBuffer, and 2720-14 Sine Converter / Pulse Width Modulator. These manuals provide a great amount of context for the 4700 modules and included schematics are basic to the functions they describe. There is also a wealth of information out on the net as you'd expect detailing the internals and functions of these PAiA modules. Check out http://www.synthdiy.com/files/2008/4700ug.pdf which is a User Guide for the 4700/S synth system.

These hip PAiA pieces have come into their own recently as Doepfer, Moog, etc, modules have skyrocketed in price and the vintage analog synth community recognized in the PAiA modules the value engineering and forward thinking design John Simington employed when he created this line of analog treaures.

There are a number of great articles about this fine (very underrated, known as "Poor Man''s Buchla" in some hip synth circles) series of vintge synth modules. One article is http://www.johnnypumphandle.com/johnny/Paia/paia.htm, but the most comprehensive is the legendary http://www.musicofplexus.com/paia4700/. In this extensive photo journal essay one can see the scope and depth of the capabilities of these modules when properly handled and with only quite modest upgrades made (High quality caps, ten turn pots on teh VCOs, etc)"

PAIA 4700 Modular Synth

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"Vintage PAiA 4700 modular synth. As far as I can tell, these were DIY modular synths first released in 1981. These are somewhat quirky machines, and can produce some really interesting and creative sounds. Note that these use the hz/v CV standard (notably used on the Korg MS-20) rather than the modern v/octave standard. The two-part telex case conveniently closes up for easy transportation.

This unit comes with the following modules:

4710 - Balanced Modulator (x2)
4711 - 4/2 Mixer (x1)
4712 - Spring Reverb (x1)
4720 - VCO (x3)
4730 - VCF (x1)
4740 - Envelope Generator (x2)
4761 - Wing (x1)
4770 - Watt Block (x3)
4780 - Sequencer (x1)
Control Oscillator/LFO (x1)

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PAiA 4700 modular synthesizer

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Modules included:

3 x Watt Block
2 x 4770 boards for watt block
1 2720
1 portamento/glide
Stereo mixer
2 x 4720 VCO
4 x 4761 Wing
1 8780 d/a converter
1 4740 envelope generator
1 envelope follower
2 x VCO
inverter buffer
Power Supply
1 4710 balanced modulator
1 4730 VCF

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1976 Paia Model 4700 Analog Modular Synthesizer Deep Dive

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video upload by Mears

"A deep dive on this rare, and synthesizer almost 50 years old. I've spent countless hours restoring it, and am very pleased with the results. It can produce a wide range of sounds, thick and beefy baselines, pillowy ambient textures, fat analog drums and so much more! This video covers the features of the synth, detailed shots and explanations of the restoration and internal components as well as a ton of high quality audio recordings of the various sounds this synth can produce.

Here's where you can find a whole bunch of great info about this synth: https://modularsynthesis.com/paia/470..."

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"Really neat vintage synth, in great working condition. I restored it electronically 3 years ago, and have only used it in my home studio. I'm the second owner, and acquired it directly from the original owner whom purchased it in the 1970's, I believe it's from 1976. I have a bunch of paperwork for the synth somewhere, if I can find it(I'll try, it's buried in boxes somewhere!) I'll include it as well. It's worth noting that during the restoration, I preferred to keep the synth as original as possible, but electronically stable, and to make a 50 year old synth as reliable as possible. It includes and uses the original "pin" cables, so neat & rare. That being said, it's still a very old synth, from the early days of modular synths, when slight changes in mains voltage and temperature variations manifested themselves in "interesting" ways. I'd assume that the purchaser of this synth understands that and doesn't expect the oscillator tracking and tuning stability to be similar to modern synths. Please watch the Youtube video I created for this synth, which goes into great detail about the synths condition, and should answer any questions you have, and give you a clear idea of what to expect if purchasing.

One last thing, this will have to be sent in 2 boxes, and the synth is fairly heavy(each piece is 11kg on it's own). The shipping rate on the listing is not representative of what the actual shipping cost will be, so please if purchasing, expect that the shipping rate will be higher than indicated on the listing. The calculated shipping on Ebay doesn't accommodate multi-box shipments unfortunately. Feel free to contact me for a shipping quote, and if you purchase, please wait for me to provide you with a quote before sending payment. I'll do everything I can to keep the shipping cost as low as possible, but also make sure it arrives safely.

Thanks!

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VINTAGE PAIA 4700 SERIES

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"This is what we believe to be a PAIA 4700 series kit that was sold in the 70's-80's. We think it has been upgraded because some of the modules are 8700 series.(but of course we could be wrong on that point)...

The case is hinged and folds open to gain access to the control modules. The left side contains the following modules. Top row from left one 8780 equally tempered da converter and has a 25 pin ITT cannon db 51226-1a plug coming from it. The next three modules are 4720 VCO. Bottom row from left two 8781 QUASH two 4710 balanced modulator and one 4761 WING.

The right side top row from left contains one 4771 regulated power one 4740 envelope generator and one4711 4/2 mixer. Bottom row from left one 4761 wing with a power cord coming from it one unumbered control oscilator and two 4730 VCF."

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VINTAGE 1980 PAIA 4700-SERIES SYNTHESIZER (ASSEMBLED FROM KITS) W/ PRO KEYBOARD

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"Analog 'patch cord' monophonic synthesizer that contains all of the fundamental modules needed for music synthesis. I assembled this synthesizer in 1980 using 4700-series kits from the legendary PAiA Electronics, Inc. in Oklahoma.

This synthesizer was in “working” condition before I stored it away. I was already an experienced electronic kit assembler at age 18 when I assembled all of the modules. I used terminal strips to create “bus bars” inside the module cabinets to conveniently provide the three supply voltages (plus ground) to all of the modules. Once I got to college at PSU I begged an Electrical Engineering professor let me use a frequency meter in a lab to calibrate each key of the keyboard to the proper pitch. I recently applied power to the cabinets and proved that the power supplies are working, but their output voltages will need to be recalibrated according to the manuals. I say that this unit is “working”, but I never really got it to make the sounds I was hoping for…

I fell in love with synthesizers as a teenager during the 1970’s because I was into both music and electronics. I desperately wanted to buy a MiniMoog (despite the fact that I didn’t have any keyboard aptitude or training) but, in any case, my family didn’t have that kind of money for something non-essential.

I discovered PAiA Electronics when their first 2700-series synthesizer kits were featured on the cover of Radio-Electronics magazine in 1973. The cover picture showed a fully functional synthesizer built from kits – except that the keyboard was made of hand-bent spring wires with buttons glued to the ends in order to keep the cost down. A few years later PAiA started offering professional 37-note keyboards and enclosures.

I bought the road cabinet and the power supplies first in 1979. I bought the actual synthesizer module kits as I could afford them during 1979 and 1980. I finally raised enough money to buy the (approximately) $100 keyboard/case kit in 1980.

This synthesizer contains the following cabinets and modules:

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Moog Music to Demonstrate the Moog Modular at Synth City, Thursday, September 10

If you are in the Chicago area on the 10th of September, here's your chance to see a Moog System 35 in person.

"In anticipation of Knobcon 2015, Moog Music and Synth City are excited to host a one night only event with the Moog Modular Synthesizer. Representatives from Moog and Synth City will be on hand to demonstrate and discuss the Moog Modular, it's basic operation, and it's relevance to electronic music history. We will be aided by a System 35, the Sequencer Compliment B, and the 953 Duophonic Keyboard.

This is an incredible opportunity to get some panel time with an extraordinary instrument, and we enthusiastically invite all to attend. This will be an informal event aimed at education and access, before the system travels out to the burbs for Knobcon.

Light refreshments will be on hand, as will the regular inventory of Synth City and Rock N Roll Vintage." Thursday, September 10 at 5:00pm - 8:00pm in CDT at 4740 N Lincoln Ave, Chicago, Illinois 60625.

PAIA 4700 J ANALOG SYNTHESIZER with Programming Tape Cassettes

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Anyone know how the cassettes work?

"PAIA 4700 MODEL J MODULAR ANALOG SYNTHESIZER VINTAGE SYNTH

with Programming Cassettes and Original Invoice dated 1978.

Mod List:
4712 Reverb
4720 VCO
4720 VCO
4730 VCF
8780 Equally Tempered A/D converter
8781 QuASH
8781 QuASH
4710 Balanced Modulator
4761 Wing

4710 Balanced Modulator
4710 Balanced Modulator
4720 VCO
4711 4/2 Mixer
4761 Wing
4771 Regulated Power
4740 Envelope Generator
xxxx Non-Paia? Control Oscillator

Cassette list:
Pink Freud 8700 Set
Shazam 0.1
PAIA Demo - A
PAIA Demo Side B
O-Glide
Pink Freud
SEQUE 1.0
ECHO, Pink Tunes, SEQUE 1.0
ECHO, Pink Tunes, Seque 1.0
SEQUE 1.0

Most of the modules were serviced at the end of 2012 by CAE in San Mateo with the exception of the Quash's and the keyboard.

The keyboard and the programming were never used and it is unsure if they work. However we were able to get the digital read-out to count. The rest of the modules worked at the end of 2012 but because of the vintage and delicate nature of the PAIA, it is not guaranteed that they are still working."

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Paia Analog Modular Synthesizer

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"Paia Analog Modular Synthesizer/Keyboard. Modules include: 3 VCO's #4720, D/A converter #8780, Quash #8781, Spring Reverb #4712, Regulated power #4771, Wing #4761, 2 VCF's #4730, 2 Balanced Modulators #4710, 4 input mixer #4711, Envelope Generator #4740, LFO Control Oscillator/Noise Generator #4750. Keyboard(with gold contact keys)#8782. Booklets: VCO and filter. Circa 1980..."

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PAIA 2700 4700 8700 MODULAR DIY Analog Synthesizer Parts

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PAIA 4700 Vintage Modular Analog Synthesizer

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PAiA 4786 VELOCI-TOUCH SYNTHESIZER MODULE

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This appears to be the first post showing what the PAiA 4786 looks like on the site. A search on 4786 only brings up one previous post from January of 2009. That post only featured a couple of pics of the circuit boards and instructions. See it for more details on the module.  If you do a search for 4740 you will see a ton of PAiA modules in systems, but not this one.

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PAIA 4762 Vintage Modular With Letter from John S. Simonton, Jr.

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"- 4270
- 8780
- 8781
- Power Supply
- 4761
- inverter / buffer
- 4740
- control oscillator
- 4730
- envelope follower
- 4710
- Voltage Control Ampifier'

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PAIA 2700 & 4700 vintage analog modular

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"This kit-built 70's synth comes from the original owner and is complete with manuals/schematics for each module, cables, and custom patch sheets.

Modules in the system:
4761 Wing Power
4720 VCO x2
4780 Sequencer
4740 Envelope Generator
4770 Watt Block x2
4730 VCF
2700 Inverter Buffer
2700 Envelope Follower
2700 Control Oscillator
2700 Balanced Modulator
2700 VCA"

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PAIA 2700/4700 MODULAR ANALOG SYNTHESIZER

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"A few years ago I decide to take my 1974ish PAiA synthesizer and rebuild it. I researched components by consulting with Scott Lee of PAiA. I designed custom panels through Front Panel Express. To keep the engraving costs down I went with a minimalistic look that was reminiscent of PAiA yet totally original with a vintage vibe, especially the knobs.

I had Steve Wood, a former PAiA Tech from back in the day, do all the module refurbishing. Most of the major components on the boards were replaced & all ICs socketed. The audio path has upgraded caps and Burr-Brown op-amps. All front panel parts and hardware are new. Taking Marvin Jones’ advice, I replaced all the control voltage “pin jacks” with 3.5mm audio jacks. These are grounded so I could interface the PAiA with my other modular gear.

Multi-turn pots are used for VCO frequency tuning (they look like the pots on the old “Putney” synth!). The “bouncy” push button switches are replaced by momentary toggle switches and all of the switches are now toggle switches with vintage looking paddles.

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4700 SERIES PAIA SYNTHESIZER

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4712 - Reverb
4730 - VCF
4710 - Balanced Modulator (2 units)
4711 - 4/2 Mixer
4720 - VCO (3 units)
4740 - Envelope Generator (2 units)
4770 - Watt Block (3 units)
4780 - Sequencer
4761 - Wing (with bright red power cord)
Control Oscillator