Akai X-7000
Sampling Keyboard (1986)
Sampling Keyboard (1986)
Company: Akai
Model: X-7000
Class: Sampler keyboard
Keyboard: 61 keys
Dates: 1986
Country: Japan
Weight: 14 Kg
Dimensions: 1039 (w) x 110 (h) x 346 (d) mm
Price: 250€
Display:16 x 2 lines
Resolution: 12 bits
Sampling Freq: 4 - 40 kHz
SDS sample import: yes
Polyphony: 6 voices
Multitimbric: 6 parts
Memory: 256 kb
Filter: analog low pass
Envelope: 2 EGs
LFO: 1 modulator
Storage: quick disk media
Midi: IN / OUT / THRU
CPU: Z80
DAC: BA9221
OS: latest? single eprom TMM27128AD-20 - If you have the binaries you want to share, get in touch.
Main panel features a 16 x 2 lines backlit LCD, a data encoder, 30 push buttons, 1 slider for main volume and 2 wheels for pitch and LFO modulation.
Rear panel terminal connectors:
- main signal out + headphones
- LCD contrast trimmer
- switch for master keyboard function (no signal out)
- Midi interface
- sustain pedalswitch input
- program UP pedalswitch input
- record pedalswitch input (it can be used also to trigger a sample)
- special Akai voice connector
- line and Mic inputs (with gain trimmers).
- none
- No official VST plugin
- no known samples library
Have some X7000 sample set you want to share? CONTRIBUTE :)
owner's manual download
NO SERVICE MANUAL, if you have it, contact us
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VOICE main core based on a 8-bits Zilog Z80 manages 6 channels polyphony, while DACs are based on BA9221.
The X7000 is able to sample up to 6 sounds that can be assigned to a singles patch with assignable split points, useful to create drum kits or multisampled instruments.
SAMPLE Sampled sounds are assigned to voices, and each samples have some edit functions:
- transpose pitch + pitch tune
- backward play
- drum play (EG does not end at retrig).
NOTE: It is possible to import / export samples by Midi, but the process is not compliant to actual standard SDS sample DUMP.
Non-resonant filter based on MF6CN a switched capacitor VCF a kind of an hybrid analog-digital offers -12dB/ Oct. slope.
Filter can be assigned to velocity and features a simple Keytrack function.
A single delayed triangle modulator with 99 scaled intensity/depth values. The X7000 LFO modulates only the pitch as a classic vibrato.
EGs (only release segment) and 2 destinations:
- EG1 amplitude
- EG2 filter cutoff
PERFORMANCE
System manages 6 indipendent parts with some functions:
- monophonic (2 priority modes)
- LFO to aftertouch amount
- Midi channel assign
- volume gain amount.
MIDI IMPLEMENTATION control changes are limited to 3 standard parameters:
[ 7 volume ] [1 modulation] [64 sustain]
MEMORY:
- 32 programs
- 256 kb sampling RAM (?)
- 2.8" quick disk storage (64 KB x 2 banks).
NOTE: memory (IC MN41464 ) is not dynamically allocated resulting in same amount of RAM for each sample
EXPANSION:
2 optional boards available:
-SXM007X battery backup system for memory
-ASK-70 increases number samples to 16 and memory about 512 kb.
- edit interface
- bulky
- memory
- quick disk
- cheap now
- Lo fi 12 bits
- oldschool
Akai X-7000
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