BOSS DR-55 + PRO-RHYTHM MINI SYNTH D-2

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Anyone ID the top right logo on the D-2? These were branded Coron, Cortez, JHS, Grant, BIAS, etc...

Song step pattern book for the DR-55 picktured below.

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D-2 Cortez Pro-Rhythm Mini Synth

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"Very rare Cortez Pro-Rhythm Mini Synth. Sounds awesome! Runs on a nine volt battery."

One of the most re-branded mini drum synths out there. See this post for a JHS branded demo. These were branded Coron, Cortez, JHS, Grant, BIAS, etc... See the labels at the bottom of this post for more.

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Grant Drum Synce DS7 Coron Analog Synth

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Yet another Coron drum synth clone. What's bizarre is the Grant logo and design differs from this one. Why?


"A rare japanese made analog drum synth, exactly like the Coron DS7 and the now many countless clones.

It's in good working order with only a few blemishes here and there.

The three top knobs are missing the silver caps and the sensitivity knob I suspect is non original.

9v Battery operated, It works simply by clamping onto any drum rim and the internal sensor responds to the drum hit, alternatively a light tap on the side generates the hit to provide all sorts of fx bleeps and bloops."

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BIAS BS-2 Vintage Synth Drum Percussion

Published on Oct 1, 2012 by LutetianDesert

"Bias BS-2 Drum Percussion: Bias (Ishibashi Japan) Drum Analog Synth Module."

Appears to be another Coron DS-8, JSH DX-5, Asama Drum Sync, Storm Drum Sync, Grant PS-7 Percussion Synth, KMD Drum Exciter clone. :)

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Cortez D-2 MINI Synth with Box - "Disco's Signature Sound"

"Cortez "MINI-SYNTH"DISCO's 'SignatureSound' Stupid RARE Mint W Box Instruc WOW""

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These actually come up fairly often under various brand names including the Coron DS8, Asama Drum Sync, Storm Drum Sync, Grant PS-7 Percussion Synth, KMD Drum Exciter, and possibly more. What's really odd is there appears to be a Cortez D-3 with the same controls. See the labels below for other branding.

"Made in "JAPAN" The 'Cortez D-2 "MINI-SYNTH"'1976-7' Was Born The "Puuuu, Puuuuuu" "Sound" that became the signature sound of 1970s 'DISCO' with notable 'Music artists' such as with "Donna Summers" "Last Dance", The Gap Band's 'You Dropped a Bomb On Me', And just about everyone used this "Cortez 'Mini-Synth' What a cool little synth it really is ! ! !

The 'Cortez-"MINI SYNTH" clamps on to your 'Tom Drum or a Cymbal stand/ Snare stand or any stand will doooo You just "HIT THE Surrounding area of the mounted "Cortez" and it triggers the 'Synth' ...''that's how it works'''...! I have used this synth and found it does "Way-More" than Just manually selected "Puuuuu, Puuuu's ...The synth will allow you to 'Create many "Way-Cool" Perc, and Low Frq 'PHAT" Moog-Like "Boom Tricks, and Very 'Metallic resonator sound Frequencies ...An Excessively & Musically-''cool-and-unique'' sounds and EFFECTS" Left only to the imagination ! You can spend hours messing with this Synth...A true Piece Of the "70's" "Thing" 'If ever you could find'.!...As a collectors, or a serious Recording Project to add a "Totally unique effect or 'Dub/Groove' "thing" this is the "MAN" !!!"

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RARE VINTAGE JSH DX-5 PRO-RHYTHM MINI SYNTH

YouTube Uploaded by ThePromoHouse on Jul 12, 2011

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Also known as the Coron DS8, Asama Drum Sync, Storm Drum Sync, Grant PS-7 Percussion Synth, KMD Drum Exciter, Cortez D-2 Mini Synth, BIAS BS-2, and possibly more. See the Coron label below. Anyone know why there were so many branding for this? I think this holds the record.

via the listing: "The Mini Synth, when connected to my headphones, covered a massive range of synthesised sounds and this is an incredibly flexible unit for its mini size and I would, I guess, sound fabulous in the right hands and with the right input and amplification (I haven't got the means to really put it through its paces). Please feel free to ask as many questions as you wish - I am not familiar with synthesisers (I obtained this in a job-lot including vintage microphones and headphones)"

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Grant PS-7 percussion synth

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"Battery powered Grant PS-7 percussion synth. Foot pedal control jack input, aux output to amp (not supplied) . Intensity control, rate, mode, sweep, volume, decay and V.C.O. controls, thousands of unique electronic sounds to add a different options to your kit."

Looks just like the Coron DS-3 Drum Synce.