W
MISC. MIDI · 1999
A4000
Yamaha
Manufacturer
Yamaha
Type
Misc. MIDI
Production
1999–2003
Model
A4000
01
From the Community
From the community
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02
Audio Demos
03
Compatible Sound ROMs
04
Parts & Components
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05
Modifications
06
Owner Registry
Production figures for the A4000 were never widely published, so there’s no official record of how many were built — or how many survive. This registry is a community census: every owner who logs their unit makes it the closest thing there is to a real count.
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07
System Components
CONTENTS
01From the Community02Audio Demos03Compatible Sound ROMs04Parts & Components05Modifications06Owner Registry07System ComponentsManufacturer
Yamaha
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Specifications
- lfo
- Dual LFOs per sample + MIDI-syncable Program LFO
- midi
- MIDI In, Out, Thru (16 channels)
- weight
- 8.0 kg
- display
- 320 x 80 pixel backlit LCD
- storage
- 3.5" floppy drive, internal IDE hard drive support, SCSI interface for external devices
- polyphony
- 64 notes
- sequencer
- Built-in MIDI sequencer
- digital io
- Optional via AIEB1 board (Optical and Coaxial SPDIF)
- dimensions
- 480 mm x 461 mm x 90 mm
- max memory
- 128MB (expandable via 72-pin SIMM modules, 70ns or faster)
- os version
- 1.50 (final)
- form factor
- 2U rackmount
- sample rate
- 44.1 kHz (max), 5.5125 kHz (min)
- filter types
- 16 types (LowPass 1-3, HiPass 1-2, BandPass, BandElim, Peak 1-2, 2Peaks, 2Dips, DualLPFs, LPF+Peak, DualHPFs, HPF+Peak, LPF+HPF)
- multitimbral
- 16 parts
- user patches
- 128 programs
- analog inputs
- Stereo (L/Mono + R)
- lfo waveforms
- Saw, Square, Triangle, Random, StepWave
- analog outputs
- Stereo Out + 6 Assignable Outs (AS1-AS6)
- effects blocks
- 3 (with 96 effect types)
- sampling modes
- Live (microphone), Line (CD/audio), Digital (with expansion), Resampling
- standard memory
- 4MB
- supported drives
- Internal IDE: Seagate ST34311A (4.3GB), ST36421A (6.4GB), ST38421A (8.4GB); ZIP drive compatible
- sample resolution
- 16-bit
- sample import formats
- WAV, AIFF, Yamaha proprietary formats
Gallery
