Akai XR-10
16 bits PCM DRUM
MACHINE (1990)
NOTE:
THIS PAGE IS NOW OBSOLETE, PROCEED TO LATEST UPDATE
HERE
16 bits PCM DRUM
MACHINE (1990)
NOTE:
THIS PAGE IS NOW OBSOLETE, PROCEED TO LATEST UPDATE
HERE
Company: Akai
Model: XR-10
Class: Drum Machine
Country: Japan
Weight: 1,7 Kg
Dimensions: 350 (w)
x 241 (h) x 68 (d) mm
Pads: 15
non-dynamic
Display: 16 x 2
lines
Dates: 1990
Synthesis: PCM rompler
N. Samples: 64 PCM
Sample Resolution: 16 bits
Polyphony: 8 voices
Sequencer: 20 songs
Rec resolution: 96 ppqn
SYNC: Midi
Envelope: 1 EG
LFO: 1 modulator
Memory: 50 styles
CPU: NEC D78C Z80
OS: latest V2.2
PSU: 12 VDC
DRUM MACHINE 16 x 2 lines display (no backlight) , 2
knobs, 29 buttons and 15 trigger pads (no velocity)
assignable to any Midi notes.
Back panel terminals
connectors:
- main signal out
- Midi interface
- headphones
- 2 pedalswitch inputs for start-stop and FILL IN
functions.
Power supply external PSU 12V / 200 mA -)+ polarity.
NONE
RESET/ FACTORY PROCEDURE Switch on pressing [1] + [2]
button. Select.
- No
official VST plugin
FREE sample set FREEBIE AT OUR
SAMPLE SHOP
owner's
manual download
no service manual, if you have it, please do contact
us
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VOICE XR10
is a digital drum machine based on a 8-bits CPU NEC
D78C10G part of Z80 Zilog processor which handles up
to 8 voices polyphony. The sound is generated by
internal PCM samples stored in an internal ROM wavetable and
12 parameters:
Sound Volume (0-31), Sound Tuning (+25/-26 in 100-cent
steps), Fine Tune (+7/-8 in 6.25-cent steps), Pan (31
positions), Effect Send Volume (0-31), DCA Decay (0-31),
DCA Hold (0-31), Sweep Decay (0-63), Sweep Depth (0-31),
Sweep Polarity (down/up or up/down), Reverse (forward or
reverse play), and Velocity Feel (on/off).
PCM Wavetable the XR ROM contains 64 PCM
samples recorded at 16 bits resolution. Most of the
samples are old school big drums, acoustic gated toms but
also electro percussions in a perfect Kraftwerk-like
style.
Bass drums (x10), snares (x10), rimshots (x2), hihats (x3), toms (x12), crash (x2), ride cymbal (x2), claps, finger snap, conga (x4), vibraslap, guiros (x2), cabasa, tambourine, triangle (x2), cowbell, claves, timbales (x2), agogo (x2) , slap bass and a FX orchestral hit.
INTERFACE All edit with single parameter with limited display. One of most irritating function of the machine is the MEMORY PROTECT which is always turns back to ON when switching off the drum machine - no to mention the lack of backlit display.
section offers a
single modulator SWEEP for the pitch with following controls:
- frequency rate
- depth modulation
- polarity inversion.
each assigned
sample have 1 single EG that features:
- 1 segment DECAY
- 1 time SUSTAIN (31 levels each)
SEQUENCER The
maximum global resolution is fixed to 1/96 and offers 8
different level of quantisation (or humanize) from 1/4 to
1/48 plus a classic array of traditional edit functions like
copy, insert or repeats. Created sequences and songs can be
data dumped to Midi exclusives protocol.
A basic pattern is programmed with 4 sub-levels (FILL-INS,
INTRO, ENDING and BREAKS) that can be played back with
dedicated function buttons.
Note entries system works in 2 different modes:
A- realtime at 96 ppqn resolution
B- simple step entries.
MIDI sound kits can be triggered using Midi interface, however implementation is rather basic and offers only a control on velocity sytem.
SYNC internal tempo range 40-296 BPM or XR can be slaved to external Midi clock, altough some sync issues have been reported (maybe depends on the OS?).
MEMORY:
- 300 notes per pattern
- 20 songs
- 450 presets patterns (LIST)
- 50 styles with: 3 variations, 3 fill-ins + break +1 intro
+ 1 ending.
Memory battery replacement, a standard soldered Cr2032 3V on
the mainboard.
MAINTENANCE quite
reliable but pads trouble: graphite contact just goes dying
after many pressures and years.
<- PAD REPAIR: Cleaning with alcohol or various stuff
will do nothing and can worsen situation for sure, best
solution is electro conductive solution
- edit interface
- cheap built
- some great samples
- old school
XE-8
Rackmount percussion expander is similar but with a
different soundset 
XR-10
circuit bent: XR is frequently modded with circuit
bending process on the ROM wavetable - recommanded for
people who enjoy glitch and weird digital noises
LOL
vintage
magazine review p1
vintage
magazine review p2vintage
magazine review p4
vintage
magazine review p3
vintage
magazine review p5
Akai XR-10
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