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A4000

Yamaha A4000

A4000
(image courtesy of Yamaha)

Released: 1999

MSRP: Y149,000

Synopsis:

A3000V2 with 2x sample RAM, improved convertors (20/24 bit A/D/A), and added preset/sample compatibility. Architecture Class: Sampler.

Ebay Description:

The Yamaha A4000 is a (velocity and aftertouch) sensitive 2U rack (64 voice multitimbral) 16 bit sampler, featuring stereo|mono sampling (5.5125|11.025|22.05|44.1kHz), multimode (notch or low, high, or band pass) filter, dedicated (pitch, filter, and amp) 3 stage EGs, dual LFOs (saw, square, triangle, random waveforms), 3 effects processors, 3-band EQ, stereo sample inputs, dual stereo outputs, DSHD floppy drive, SCSI (internal and exetrnal HD support), MIDI, extensive sample import capabilities, and 128 presets. Sample editing includes loop crossfade, normalize, time-stretch, pitch-conversion, reverse, trim, and fade.

Physical

Form Factor Dimensions Weight Audio Input Audio Output Communication Port Control Input Control Output Switch Input Power
2U rack W:480mm(18.875in) D:461mm(18.125in) H:90mm(3.5in) 8kg(17.625lbs) sample:stereo stereo:2 optional:S/PDIF(RCA/optical AIEB1) optional:stereo:3(AIEB1) MIDI MIDI MIDI no AC

Interface

Compatibility Multitimbral Memory Program Memory External Storage External Programming UI Input UI Output
A3000 A3000V2 A4000 A5000 EX5 EX5R EX7 import: TX16W SU700 WAV AIFF EIIIX S1000 S3000 S760 no 128 disk:DSHD(3.5") SCSI (partion-size:1GB partitions:8) MIDI mode based buttons LCD display

Architecture

Multitimbral Polyphony Unison Architecture
16 64 no Sample->DCF->DCA

Output

Effects Pan Modulator Volume Modulator Headphone
processors:3 (presets:54) EQ:4-band aftertouch MIDI-CC MIDI-PitchBend ProgLFO velocity AEG LFO MIDI-CC7 velocity aftertouch key ProgLFO MIDI-CC MIDI-PitchBend yes

Control

Arpeggiator Arpeggiator External Sequencer Sequencer Memory Sequencer External Continuous Program Change
no N/A single track (SMF compatible) sample RAM? no MIDI-CC5 MIDI-CC7 MIDI-CC10 MIDI-CC0-120 no

Keyboard

Key Pressure Chord Memory External Control External Sustain Key Scaling Velocity Curves
channel yes MIDI:IN/OUT/THRU MIDI yes 1

Sample

Stereo Sample Depth Sample Rate Sample RAM Sample ROM Sample Points Sample Trigger Sample Loop Sample Edit
yes 16 bit 5.5125|11.025|22.05|44.1kHz 4MB (max:128MB via 72 pin 70ns SIMM) no memory-limited audio crossfade normalize time-stretch pitch-conversion fade reverse trim mono

Source

Name Signal Class Waveform Octave Range Amplitude Modulator Harmonics Modulator Pitch Modulator Wave Assign Modulator
Sample digital sample - no no LFO PEG aftertouch key ProgLFO MIDI-CC MIDI-PitchBend velocity no

Filter

Name Signal Class IC Resonant Shape Frequency Modulator Resonance Modulator Shape Modulator
DSP digital ? yes low or high band pass or notch (types:16) key FEG LFO velocity aftertouch key ProgLFO MIDI-CC MIDI-PitchBend velocity no

Envelope

Name Level Rate Loop Polarity Trigger Level Modulator Rate Modulator
AEG sustain attack decay release no no key no key velocity aftertouch key ProgLFO MIDI-CC MIDI-PitchBend
FEG initial attack sustain release attack decay release no no key velocity aftertouch key ProgLFO MIDI-CC MIDI-PitchBend key velocity aftertouch key ProgLFO MIDI-CC MIDI-PitchBend
PEG initial attack sustain release attack decay release no no key velocity key velocity aftertouch key ProgLFO MIDI-CC MIDI-PitchBend

LFO

Name Waveform Delay Polarity Sync Delay Modulator Level Modulator Rate Modulator
LFO saw square triangle random yes invert key aftertouch key ProgLFO MIDI-CC MIDI-PitchBend velocity aftertouch key ProgLFO MIDI-CC MIDI-PitchBend velocity aftertouch key ProgLFO MIDI-CC MIDI-PitchBend velocity
ProgLFO saw square triangle random yes invert key MIDI no aftertouch key ProgLFO MIDI-CC MIDI-PitchBend velocity no
Sampler Models
TX16W A3000 A3000V2 A4000 A5000