Akai Sg01V

Vintage Sound Module (1995)

Akai SG01v  midi midi module

"Half-rack rompler module based on pretty old samples from vintage synthesizers and some classic drum machines."

 Main Data 

Akai SG01v made in Japan



Company: Akai
Model: SG01V
Class: Synth Module
Dates: 1995
Country: JAPAN
Weight: 1,4 Kg
Dimensions: 214 (w) x 257.6 (h) x 43.7 (d) mm
Price: 100€

Synthesis: PCM rompler
Display: 3 digit segment
Resolution: 16 bits
N.waves: 128 PCM
Polyphony: 32 voices
Multitimbric: 16 parts
Oscillator: 1 PCM sosc
Filter: Digital Low pass
LFO: 1 modulator
Envelope: 1 EG ADR
Effect: 30 reverb
CPU: D-70236
DAC: UPD63210GT
PSU: 10V DC 


Main panel features a basic segment 3-digit display, 7 buttons and a single volume knob.

Rear panel terminal connectors:
- Midi interface
- main analog signal out
- headphones
- Power supply external PSU 10V DC +)- polarity.

SG01V FACTORY RESET

"Switch ON holding DATA UP + DATA DOWN" 

- No official VST plugin
- no known samples library

Have some SG01V  sample set you want to share? CONTRIBUTE :) 

owner's manual download

Missing service manual and schematics, if you have it please contacts US, thanks

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 In details 

sg01v

 VOICE main core based on a 16 bits NEC D-70236 CPU manages 32 voices polyphony, reduced to 30 if reverb DSP is engaged. DAC is a nec UPD63210GT and various LSI ASIC (L7A0986 + DSP L7A1045).

Each SG01v voice has an internal PCM ROM sample assigned which is badly is limited to two parameters:
TONE (filter)   + SHAPE (envelope)

main panel


PCM Wavetable 
intenal PCM ROM contains 128 PCM recorded at 16 bits resolution.
ROM contains sample from famous vintage machines:
Roland JX-3p, PPG, VP-330, Juno-60, Oberheim OB-XA, Solina, Mellotron, Matrix 12, but also drum machines e.g TR-808, Simmons SDS V [...] -
Full preset list

 PERFORMANCE sounds can be assigned to 16 parts but overall setting cannot be saved.  Each part features individual parameters: 
- volume mix
- stereo panning
- FX amount
- coarse + fine tuning
- Special MONO mode handles portamento and glide functions. 

 performance option
decay function

Envelope a simple 3-segments EG ADR.
LISTEN attack on pad

Cutoff edit

Filter digital resonant low pass filter.
LISTEN  low pass filter

LFO a single delayed modulator is accessible triggering Midi CC#1 modulation wheel .

LFO

EFFECTS internal DSP generates 30 reverbs organized into 5 main families: hall, plate, cathedral, metal and ambience.

MIDI  nice Midi Implementation (list) sounds can be saved to standard Sysex bulk dump.  TIP: It is possible to change more sound parameters using Midi Sysex or NRPN.  

CC 7 Level

CC 10 pan

CC 16 attack release effect (shape)

CC 17 filter (tone)

CC 18 resonance or FX speed 

MEMORY
- 256 preset patches
- 2 preset drum kits.

BATTERY REPLACEMENT: an internal 3V CR-2032 just saves basic settings and the last edited sound, anything else must be saved by Midi dump protocol. 

 battery replacement

Editors

To be properly edited, SG01v needs an external programmer:

CTRLR

CTRLR (free) 

SG01V Edit

SG01V Edit (old PC) 

< class="btn btn-primary display-4"> NO LINK 
SG01V Edit

Midi Programmer

NO LINK

Our Verdict 

" SG01V edit is so limited but  some sounds are surprisingly good for the time. "

Sound 
quality

Interface

Build
 quality

Rarity

Quality / 
price

50%

Overall

CONS

- limited edit
-memory

PROS

- cheap now
-lot of good sample

You do not agree with our review? 
Let us know why in the comment field just below 

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Akai SG01v demo

BONUS! 

A cheap SG01V vid we made some time ago! 

Akai Sg01V
59 out of 100 based on 1 user ratings
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