CHD ELEKTROSERVIS

CHD ELEKTROSERVIS

Korg Polysix Vintage Analog Synthesizer w/ MIDI SN 385503

via this auction

"It is in superb shape for it's age and has none of the issues commonly found on ailing/unkempt P6s; the CPU board has a replacement coin battery holder with no leak prior battery leak damage. All the voices sound vibrant and full. This synth also has a CHD MIDI kit installed for playing the Polysix from an outside MIDI source (Ableton, external sequencer, etc). All of the



CHD TUNABLE NOISE GEN SN 7401101504

CHD has gone eurorack. You can see some of their previous products here.

via this auction

Tunable Noise + S&H Generator is designed for Eurorack modular synthesizer systems.
Noise tunable from white noise, through pink noise up to digital harsh sound.
The tuning is not based on usual filtering - special circuit is used.
Noise spectrum is controllable manually or by external CV source (e.g.



Roland TR-808 Vintage Analog Drum Machine w/MIDI

via this auction

"Listing is for a Roland TR-808 Drum Machine with CHD MIDI retrofit! I used this solely as a MIDI triggered sound source as DIN sync does not appear to function and when syncing the internal sequencer to MIDI, it syncs fine when in "pattern write" mode but is slightly delayed when in 'manual play' mode. For these reasons, the purchaser should plan on using it as a MIDI



Roland Jupiter-4 JP-4 Analog Synthesizer w/ MIDI

via this auction

"This Jupiter 4 is in good cosmetic condition and 100% functional. It has been serviced top to bottom and needs nothing. During service a MIDI retrofit was added to give this unit some modern control features...

MIDI: There is a CHD ElectroServis MIDI kit installed."



KORG POLYSIX with CHD MIDI Retro Fit

via this auction

Details on the MIDI kit via CHD:

"P6-KBD MIDI retrofit enables Korg Polysix to be controlled via MIDI. You can remotely control the keyboard and speed of the arpeggiator by MIDI commands. The instrument works like polyphonic MIDI sound expander.

Features:

The instrument's keyboard is controlled manually and by MIDI Note On/Off commands simultaneously.
The keyboard can be



KORG Mono/Poly Analog Synth w CHD MIDI Retrofit

via this auction

"Up for sale is a KORG Mono/Poly MP-4 vintage analog synthesizer with a Midi retrofit from CHD Elektroservis. It is in overall very good condition. It is a classic synth, with both mono and polyphonic modes. It has four oscillators that can either be stacked in unison, used in polyphonic mode, or a combination of the two. It also has an excellent arepggiator (you can set the



Roland TR-808 WITH BUILT IN MIDI

via this auction
This is the one in this video.

"Roland TR-808 that has been professionally upgraded with an internal MIDI interface! No bulky ugly outboard MIDI interface box with a nasty wall wart power supply. The MIDI interface installed is simply tacked onto the circuit. There has been no invasive cutting of the circuit board, and if you want to, the MIDI interface can be easily removed



Treat Yourself :)

null