Oberheim FVS-1 Four Voice testing sequence - Werkstatt Matlak

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"First tones generated by the marvelous Four Voice after a time consuming repair and restoration."

Yamaha CS-30 testing sequence | Werkstatt Matlak

video upload by Werkstatt Matlak

"Having fun after in depth repair -
Testing sequence via LALA midi over a pre-recorded internal 8track sequencer melody with some nasty drums on top."

Roland SYSTEM-700 LAB (1976) testing one VCO | Werkstatt Matlak

video upload by Werkstatt Matlak

"Calibration fun after in-depth restoration of the mighty LAB, part of the SYSTEM-700.

One VCO, overdubbed"

Roland SH-5 & TR-606 (1976, 1982) - Werkstatt Matlak

video upload by Werkstatt Matlak

"First test run of the SH-5 after restoration.
Triggered by LT HT for note gate and LFO retrigger."

Yamaha DX7 SND FB-14 & TR-707 (HKA “Amen”) - Werkstatt Matlak

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"DX7 into FB-14, overdubbed
TR-707 HKA modified with special Kit"

Roland Jupiter-4 (1978) Arpeggio - Werkstatt Matlak

video upload by Werkstatt Matlak

"Final test after in depth repair and restoration.
This I the latest series model with the final voice board revision."

Roland RE-201 (1977) - testing - Werkstatt Matlak

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"n-between testing after in depth overhaul of the entire Space Echo.

Testing mode selector, timing and feedback

Sorry, my pinky got smashed my [sic] a 30kg loaded flight case today (instruments inside are fully okay tho)"

Roland CR-8000 - Programming Tutorial - Werkstatt Matlak

video upload by Werkstatt Matlak


"This is a short guide how to erase a user 'PROGRAM' and user 'INTRO/FILL IN' on a Roland CR-8000

user 'PROGRAM' = lower white buttons
user 'INTRO/FILL IN' = rotary swtich '9 - 12 PROGRAM'

Erasing a 'PROGRAM':

1 - turn on your CR-8000 (wow)
2 - turn on the VOLUME on your CR-8000 as well as all VOICE LEVEL (wow)
3 - place CR-8000 'PROGRAM MODE' switch to - BASIC -
4 - choose the desired PROGRAM (Pattern) ((lower, white buttons 1-8)) you want to erase
a constantly illuminated red light will show you where you are
5 - STOP the CR-8000 by pressing START/STOP (a red light indicates the unit is stopped)
6 - PRESS & HOLD simultaniously 'REGISTER + CRASH' for about 5 seconds
a short blink benath your chosen PROGRAM button will indicated that it was erased
7 - START the CR-8000 to make sure your PROGRAMM bank is erased
8 - enjoy your empty PROGRAM bank and create a new pattern

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Yamaha CS-30 (1979) 420 edition with a little bit of reverb - Werkstatt Matlak

video upload by Werkstatt Matlak

"Final test after restoration and upgrade with the LALALAND Midi upgrade."

Korg Mono/Poly (1983) Arpeggio - Werkstatt Matlak

video upload by Werkstatt Matlak

"Arpeggiator test after in depth restoration and calibration.
Tune drift comes from detune-function."

Roland SYSTEM-100M (1979) | Werkstatt Matlak

video upload by Werkstatt Matlak

"Final test after in-depth overhaul.
Sequenced by Fanwander VMC-1 via Roland MPU-101"

Roland TR-808 (1981) - Werkstatt Matlak

video upload by Werkstatt Matlak

"Final test after repair and service.
Upgraded with Tubbutec UniPulse."

Roland TR-909 (1983) - Werkstatt Matlak

video upload by Werkstatt Matlak

"Final test after repair, service and modification (bd pitch, bd drive, hat pitch)"

Roland TR-606 (1982) - Werkstatt Matlak

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Moog Prodigy (1980) - Werkstatt Matlak

video upload by Werkstatt Matlak

"Final test after in-depth service for a client from Austria.

Multitrack recording, all sounds from this Prodigy.

Song: 'ProdigyCult' part of MPU101 - MPU102"

Roland MRS-2 PROMARS (1978) - Werkstatt Matlak

video upload by Werkstatt Matlak

"Final test after full in-depth restoration.
This instrument was sold to a client in Switzerland.

Multitrack recording, all sounds including drums were done on this MRS-2."

Oberheim - OB-8 (1983) - Werkstatt Matlak

video upload by Werkstatt Matlak

"Final testing after a deep and time consuming repair and service"

Roland JX-3P & PG-200 (1984) - Werkstatt Matlak

video upload by Werkstatt Matlak

"Thoroughly serviced and upgraded with the Series Circuits kit to use incoming Midi signal and the PG-200 simultaneously."

Roland MKS-80 REV5 & MPG-80 (1983) - Werkstatt Matlak

video upload by Werkstatt Matlak

"Final test after service"

Korg Mono/Poly (1983) - Werkstatt Matlak

video upload by Werkstatt Matlak

"Final test after repair and service"