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CD of the Month

Akai Z4

Akai Z4
Manufacturer: Akai

Model: Z4

Website: Akai

Images: [front] [rear]

The Akai Z4 is the world's first 24bit/96kHz hardware based sampler. Designed for professional audio production, the Z series samplers offer all the advantages of dedicated hardware plus the interface power of ak.Sys PC/Mac control and networking software.
The Akai Z4 has been developed using the undisputed skills of Akai's worldwide engineering teams in tandem and the result is a super-sampler with the heritage of the "S" series but incorporating operational features from the unique "MPC" range and effects from the highly acclaimed DPS16.


  • 24-bit/96kHz operation (*)
  • Q-Link knobs for realtime performance control
  • Automation of commonly performed sampling functions such as normalise and sample assignment
  • 36/6-pole resonant filter types with special 'Triple' mode
  • New 24bit/96kHz 4-channel effects processor (**)
  • Quick FX for rapid sound manipulation (**)
  • Capacity for up to 512Mb on board SDRAM using off-the-shelf memory
  • USB host/slave connection - use off-the-shelf USB keyboards for easier naming and USB drives
  • ak.Sys software for computer control over USB
  • 64-voice polyphony
  • Dual independent LFOs with internal and external modulation control and MIDI clock sync
  • Balanced analogue I/Os providing full 24bit/96kHz A/D and D/A conversion
  • Sample rate conversion (**)
  • Choice of analogue or digital assignable multiple outputs
  • Sound Library compatibility with a wide range of Akai and other formats
  • FAT32/DOS disk format and .wav implemented as native format
  • .AIFF also supported using Mac ak.Sys
* Polyphony is halved when running at 96kHz ** Requires the effects board to be installed which is optional on the Akai Z4

Akai Z4 Specifications:

Synthesizer Section
Maximum Polyphony :64-Voices (32-Voices: 96kHz)
Memory Capacity :16MB, expandable to 512MB using 168-pin SDRAM DIMMs (PC133/PC100, CL2, ECC/Non, 256MB max.) 2 slots
Sampling Frequency :44.1 kHz, 48 kHz, 96 kHz
Total Sampling Time :180/120 (16/24bit) seconds mono 44.1kHz
166/110 (16/24bit) seconds mono 48kHz
83/55 (16/24bit) second mono 96kHz
90/60 (16/24bit) seconds stereo 44.1kHz
83/55 (16/24bit) seconds stereo 48kHz
41/27 (16/24bit) seconds stereo 96kHz
Filter :Digital dynamic multi-mode filter (2-pole x 3 with resonance) per voice
Envelope Generators :3 x Digital Envelope generators (2 multi-stage) per voice
LFOs :2 x Multi-Wave Low Frequency Oscillators per voice
Display :Backlight 248 x 60 dot graphic LCD
Drivebay :3.5 inch x 1 (ATA)
Connectors :Inputs x 2, Outputs x 2, Phones, MIDI IN x2, MIDI OUT/THRU x2, SCSI interface. Outputs x 8 (IB-48P option), S/P-DIF digital I/O 2 x RCA input/output (IB-4D option).
Accessories :AC power cable, operators manual, Sound Library Disc, Cable set for IDE drive.
Dimensions :483(W) x 402(D) x 91(H) mm
Weight :6.1 kg

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