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 VERMONA PIANO-STRINGS, VINTAGE ANALOG ORGAN STRINGS MACHINE * SOLINA REPLICA * US $600.00 
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 MOOG OPUS 3 VINTAGE Analog SYNTHESIZER US $550.00
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 Octave Cat SRM synth sample library - vintage analog synthesiser sounds US $35.00
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 Vintage Univox SR-55 Super Rythomer Analog Drum Machine US $102.50
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 Yamaha FB-01 Original Owner's Manual 1980's Vintage Analog FM Sound Generator US $12.99
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 Korg MS-10 MS 10 MS10 Vintage Analog Synthesizer! US $999.00
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 oberheim ob 8 classic vintage analog synthesizer AS IS US $1,136.00
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 VINTAGE 1970's MOOG PRODIGY KEYBOARD ANALOG SYNTHESIZER MODEL 336A US $630.00
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 Rare Vintage Mattel Synsonics Drums Analog Drum Machine Syntyhesizer Tested! US $46.00
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 ARP Odyssey MKI blackface vintage analog synthesizer SERVICED + MODDED US $2,800.00
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 TAMA TECHSTAR TS-206 VINTAGE ANALOG DRUM BRAIN MODULE SYNTH 202 204 SYNTHESIZER US $159.99
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 Sequential Circuits Six-Trak Vintage Analog Synthesizer US $599.99
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 Yamaha CS 5 analog monophonic synth VINTAGE 10 15 30 US $449.00
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 VINTAGE KORG LP-10 ANALOG ELECTRIC PIANO KEYBOARD US $99.99
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 ESTRADIN-230 VINTAGE ANALOG SYNTHESIZER 3-OSC +SAMP CD ARP MOOG US $1,670.00
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 Moog Concertmate MG-1 Analog Synthesizer - Vintage MG1 Realistic Synth/Keyboard US $310.00
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 Vintage Roland SH-101 Mod Grip (Blue) - Analog Synth Synthesizer - Near Mint US $175.00
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 34 NEW JACKS for KORG MS 20 ms20 phono vintage synth synthesizer PS SQ analog US $190.00
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 POLIVOKS VINTAGE ANALOG SYNTH POLYVOX !!!! US $850.00
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 AELITA 3-VCO RAREST VINTAGE USSR SOVIET ANALOG SYNTHESIZER * EXCELLENT CONDITION US $1,640.00
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 Ace Tone FR-6 Vintage Analog Drum Machine Synth US $95.00
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 EMU Vintage Keys Rack Mount Classic Analog Synth Module Midi US $100.00
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 RARE Vintage 70's ELKA WILGAMAT 111 Analog Drum Machine III 3 Synthesizer Italy US $475.00
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 Manual for Yamaha FB-01 vintage analog sound module US $30.00
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 Moog Polymoog Synthesizer vintage analog synthesizer with Micromoog Synthesizer US $465.00
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 CRUMAR BIT-ONE Vintage Analog Synthesizer Keyboard synth midi SSM filters EXCLNT US $849.00
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 YAMAHA SY-1 sy1 Vintage Analog Synthesizer Synth Keyboard sy-2 sy2 arp pro dgx US $999.99
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 Roland TR 77 Rhythm drum machine vintage analog US $140.00
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 Vtg 1960's Keio Korg MiniPops Junior Drum Machine Analog Synthesizer US $119.00
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 Roland TR-55 Rhythm 55 vintage analog drum machine US $349.00
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 Sequential Circuits Prophet 5 Vintage Analog Synthesizer Rev 3.2 US $3,050.00
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 ROLAND SH-101 BLUE Vintage Analog Synthesizer Great Condition NO RESERVE!!! US $601.00
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 ROLAND SH-2 VINTAGE ANALOG SYNTHESIZER NO RESERVE!!! US $305.00
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 Vintage analog Boss Dr. Rhythm DR-55 DR 55 drum machine works great no reserve US $152.50
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 VINTAGE SOVIET ANALOG SYNTHESIZER "PIF" (USSR,Russian Synth) (RARE!) US $132.00
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 POLIVOKS POLYVOX * VINTAGE DUOPHONIC USSR SOVIET ANALOG LEGENDARY SYNTHESIZER * US $1,099.00
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 FAEMI-M RAREST VINTAGE SOVIET USSR ANALOG SYNTHESIZER FORMANTA POLIVOKS PLANT US $449.00
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 FAEMI RAREST VINTAGE SOVIET USSR ANALOG TOY SYNTHESIZER FORMANTA POLIVOKS PLANT US $199.00
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 ELEKTRONIKA EM-26 RAREST VINTAGE SOVIET USSR ANALOG VOCODER SYNTHESIZER US $549.00
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 Yamaha CS-5 CS5 analog monophonic synth VINTAGE 10 15 30 US $595.00
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 Moog Memorymoog Plus Vintage Analog Synthesizer! #2 US $5,299.00
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 ELEKTRONIKA EM-25 RARE VINTAGE USSR SOVIET ANALOG SYNTHESIZER * ACID MACHINE * US $399.00
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 KEYBOARD FOR ESTRADIN-230 ALTAIR-231 VINTAGE USSR SOVIET ANALOG 3VCO SYNTHESIZER US $99.99
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 Crumar Traveler 3 - Vintage Analog Organ - RARE!! Amazing Condition! US $500.00
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 Korg Poly 800 1980's Vintage Analog Synthesizer Synth Keyboard MIDI Keytar US $229.00
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 Two Vintage Analog Casio Synthesizers PT-1 & PT-10 Great for Bent Circuit US $30.00
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 Vintage Mattel Synsonics Analog Drum Machine *RARE* US $64.95
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 RARE UNIQUE ANALOG VINTAGE POLY SYNTH SOLARIS +SAPLE CD ARP MOOG!!! US $1,150.00
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 RARE FORMANTA UDS VINTAGE ANALOG DRUM SYNTHESIZER SIMMONS OBERHEIM TR-808 SOUND+ US $360.00
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 PLASTIC CONTROL KNOB FOR ESTRADIN-230 VINTAGE USSR SOVIET ANALOG SYNTHESIZER US $9.99
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 3x ORIGINAL FACEPLATES FOR ESTRADIN-230 VINTAGE USSR SOVIET ANALOG SYNTHESIZER US $29.99
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 PLASTIC SWITCH ESTRADIN-230 ALTAIR-231 VINTAGE USSR SOVIET ANALOG SYNTHESIZER US $4.99
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 ORIGINAL SWITCH ESTRADIN-230 ALTAIR-231 VINTAGE USSR SOVIET ANALOG SYNTHESIZER US $7.99
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 VINTAGE ANALOG CASIO CASIOTONE M-10 KEYBOARD - RARE - US $9.99
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 ROLAND JUNO 60 ANALOG SYNTHESIZER KEYBOARD - vintage - retro - instrument US $67.66
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 VINTAGE ANALOG CASIO CASIOTONE MT-45 KEYBOARD - RARE - US $9.99
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 Vintage Oberheim Matrix-1000 Rack Mount Analog MIDI Synthesizer w/ 1000 Patches US $500.00
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 RARE YAMAHA CS50 CS 50 VINTAGE ANALOG SYNTHESIZER KEYBOARD US $2,195.00
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 VINTAGE ANALOG RHYTHMIC 8 KEYBOARD / SYNTHESIZER - RARE - US $19.99
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 Moog Rogue Vintage 32 Key Analog Synthesizer US $725.00
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 KORG - MINI 700, ANALOG SYNTHESIZER, VINTAGE 1973! SHIPS WORLDWIDE! US $850.00
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 Vintage Korg Poly-800 keyboard analog synthesizer Works great! No Reserve US $.99
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 LELL 22 RARE SOVIET USSR VINTAGE ANALOG SYNTHESIZER ORGAN * VERY WARM AND RICH US $299.00
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 POLYVOX POLIVOKS VINTAGE ANALOG SYNTH +PEDAL +CASE +SAMP CD ARP MOOG !!!! US $890.00
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 VINTAGE E-MU DRUMULATOR DRUM MACHINE DIGITAL ANALOG SAMPLER MODEL 7000 A+ CLEAN! US $299.99
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 Vintage Yamaha CS60 Analog Synthesizer with Kenton midi kit (CS-60 CS-80 CS80) US $5,000.00
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 Akai AX-73 AX73 AX 73 Vintage Analog Synthesizer! US $599.00
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 vintage analog Crumar performer keyboard US $300.00
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 Arp 2600 2606 Vintage Analog Synthesizer Service Manual US $6.99
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 VINTAGE MOOG MINIMOOG MODEL D ANALOG SYNTH SUPER CLEAN PHAT FILTERS! grlc705 US $4,200.00
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 Roland Jupiter 6 Vintage Analog Synthesizer! US $2,499.00
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 Korg MS-10 MS 10 MS10 Vintage Analog Synthesizer! MINTY! US $1,199.00
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 Roland 181 keyboard for SYSTEM-100M analog modular synthesizer vintage CV GATE US $399.00
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 Korg SQ-10 SQ10 vintage analog sequencer for use with MS-10, MS-20, MS-50 US $999.99
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 YAMAHA CS-15 CS 15 vintage analog synthesizer with case Mint Condition!! US $749.99
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 Yamaha Service Manual for Vintage CS-10 Analog Synth US $9.99
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 Roland MRS-2 Promars vintage analog worldwide shipping! US $1,399.00
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 ROLAND JX-3P Vintage Analog Programmable Preset Polyphonic Synthesizer Keyboard US $429.99
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 YAMAHA CS-10 Analog synthesizer Box Vintage Rare! US $850.00
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 Vintage CASIO Casiotone MT-70 Electronic Keyboard w Analog Drums + Power Supply US $74.99
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 MULTIVOX MX-150 BASKY II VINTAGE ANALOG SYNTH BASS PEDALS mx150 moog taurus 2 US $599.00
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 Oberheim OBXa Vintage Analog Synth Arp Moog Rush Van Halen US $2,699.00
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 YAMAHA SK 15 Vintage analog string/brass/organ synth US $499.00
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 Vintage Roland GR-700 Analog Guitar Synthesizer and Power Cord, GR700, G707 US $349.00
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Vintage Analog
ARP ODYSSEY - Vintage Analog Synthesizer
New Life for Aging Electronic Products
Many Original Equipment Manufacturers, (OEM’s), struggle to continue shipping aging or obsolete electronic products. Electronic products designed five to ten years ago are still relevant in the marketplace. Often these venerable old products have gained particular acceptance amongst a select group of customers. In many cases these old products fulfill a need in a unique manner. Examples include: designs that are grandfathered into an application due to regulatory considerations; designs having unique form-fit-and-function; designs running special software ; designs subject to contractual support and service requirements; designs in which a new contract stipulates delivery of older gear as part of a larger system offering. Any one or all of these reasons can lead an OEM to continue the production of electronic equipment well into its end of useful component life.
As electronic product designs age, component parts become increasingly difficult to obtain. Component buyers may experience difficulty in obtaining key parts within the design. Component part prices may increase. A point comes when component parts begin going end-of-life at an alarming rate. Quick fixes are no longer sufficient. Sometimes an OEM will procure a ‘life-time’ supply of problem parts – but this supply can be quickly wiped out should unforeseen demand develop. Lack of component parts puts an end to production.
There is an alternative. Profitable, old products can be redesigned. Either preserving the original form fit and function, or adding new features. Product redesign is a cost effective means by which to extend the life of a marketable product.
Orchid Technologies Engineering and Consulting, Inc. recently completed the redesign of the precision LCR instrument. Accurate to 0.05% of full scale, the original 1988 instrument design was very well executed. However vintage 1980’s state of the art electronic components were going end-of-life rapidly.
Our first step was to study the existing design. We worked to put ourselves into the minds of the original designers. Through a process of study and review we identified a redesign approach. We generated a detailed development plan proposing significant technical improvements and cost reductions. Then we set to work.
Chief among the technical improvements and costs reductions were i) reduce circuit board count from two to one board, ii) simplify external connection methods, iii) simplify complex shielding methods, iv) remove requirement for SRAM battery backup with FRAM, v) replace floppy drive with USB stick, vi) replace obsolete TMS320C31 DSP with new TMS320C6713 and port firmware accordingly, vii) replace obsolete Analog Devices 32 bit DDS circuitry with new 48 bit DDS circuitry improving sine wave spectral purity thereby, viii) replace obsolete Burr Brown (TI) Analog to Digital Converters with new Analog Devices SAR converters, ix) reduce most digital logic to a single Altera Cyclone FPGA, x) replace through hole components with SMT parts. Our new instrument is form, fit, and function compatible with the old, while achieving improved accuracy to 0.01% with a 3x increase in measurement speed.
The original LCR instrument circuit board set (shown at the right) required separate analog and digital circuit boards to perform its functions. These circuit boards were shielded with a complex jumble of sheet metal, spacers, and screws. Additionally, expensive coax cables were installed to make the DUT connection. Orchid’s new design is elegantly simple. All circuitry (analog and digital both) is now on a single board, Altera FPGA devices integrate digital functions and system shielding has been simplified. The result is a lower cost, easier to build easier to service assembly that has another five to seven years product life.
An obsolete 33MHz Texas Instruments TMS320C31 DSP performed high speed sine wave correlation functions. Twenty years ago, TI’s DSP processors used a TI-proprietary 32 bit method to represent floating point numbers. Today modern TI DSP processors such as the 200MHz TMS320C6713 can represent floating point number with 64-bit precision using industry standard IEEE floating point methods. Updating the DSP processor required that we port the old DSP source code to the new floating point DSP processor. The benefit was greatly increased mathematical precision together with vastly increased DSP execution speed. These two factors alone served to improve instrument precision from 0.05% to 0.01% accuracy.
Integration of digital circuitry onto a single Altera FPGA both saves space and reduces overall digital system signal noise. Taking the care to energize digital busses only when required. The new design greatly reduces digital signal noise in the precision analog circuitry. Modern FPGA technology allows us to replace an entire circuit board with a single high-density component.
Redesign is a perfect solution to nagging production problems. At Orchid Technologies we have redesigned electronics for industrial, aviation, medical, automotive, consumer, and telecommunications markets. Orchid’s ability to focus multidisciplinary resources in analog design, high-speed digital design, programmable logic design, power, software, and microcomputer design results in successful redesign work for our clients.
Paul Nickelsberg, President and Senior Engineer with Orchid Technologies Engineering and Consulting. He can be reached at paul@orchid-tech.com.
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Frequently Asked Questions...
A question about recording analog synthesizers?
I'm really new to this and i was wondering how i could record one of the vintage analog Roland Juno synthesizers. Can i record into a computer? Am i able to transfer patches into the synthesizer?
Answer:
There are 5 different vintage Roland Juno synthesizers. The Juno 6, 60, and 106 as well as the Alpha Juno 1 and 2. This will affect the second question.
You can record any synth into a computer. Just plug a cable from your audio output (or headphone jack, whichever it has) to the line input on your computer's sound card, and record with whatever program you have, even Windows Sound Recorder.
To transfer patches into the synthesizer would require MIDI. The Juno 6 and 60 do not have MIDI, but the 106 and Alpha Juno 1 and 2 do support MIDI. As I'm not terribly familiar with the Juno, I don't know offhand if the MIDI on these allows you to transfer patches or not. Some synths do, others don't. Your best bet is to do a search for sites that offer Juno patches.
