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DPX-1

Oberheim DPX-1

DPX-1.
DPX-1

Released: 1986

MSRP: $2695US

Synopsis:

Sample player for then-current third party formats. All programming was read from source format and non-editable. Rev 2.1 added S900, HDX-20 (external SCSI hard drive), CDS3 CDROM support, along with a back panel with a DB9 port (CDS3) and 8 individual outputs (with MIDI mono mode support). Rev2.2 added disk writing in native DPX format, transpose, and filter cut-off edit, along with various refinements. Architecture Class: Rompler.

Ebay Description:

The Oberheim DPX1 is a 2U rack (velocity and aftertouch sensitive), 8 voice polyphonic, (digital/analog hybrid) 12 bit sample player, resonant 24dB low pass filter (SSM2045), 100 presets, MIDI interface (SDS compatible), and 1MB (512kW) sample RAM. Dual (5.25" and 3.5") floppy disk drives are compatible with Emulator II, Mirage (non-MASOS), Prophet 2000, and Prophet 2002 disks.

Physical

Form Factor Dimensions Weight Audio Input Audio Output Communication Port Control Input Control Output Switch Input Power
2U rack W:18.97in (48.18cm) D:14in (35.56cm) H:3.47in (9.45cm) 18lbs (8.28kg) no mono MIDI: IN OUT THRU MIDI MIDI no AC

Interface

Compatibility Multitimbral Memory Program Memory External Storage External Programming UI Input UI Output
EmulatorII Mirage:non-MASOS Prophet2000 Prophet2002 S900:Rev2.1 N/A 100 3.5" DSDD floppy drive 5.25" DSDD floppy drive MIDI SDS optional:SCSI no task based LED display

Architecture

Multitimbral Polyphony Unison Architecture
not editable 8 detune:4 no Sample->VCF->VCA

Output

Effects Pan Modulator Volume Modulator Headphone
no no not editable no

Control

Arpeggiator Arpeggiator External Sequencer Sequencer Memory Sequencer External Continuous Program Change
no N/A no N/A N/A MIDI MIDI

Keyboard

Key Pressure Chord Memory External Control External Sustain Key Scaling Velocity Curves
channel no MIDI MIDI 1 1

Sample

Stereo Sample Depth Sample Rate Sample RAM Sample ROM Sample Points Sample Trigger Sample Loop Sample Edit
N/A 12 bit variable 1MB (512k words) no not editable no not editable no

Source

Name Signal Class Waveform Octave Range Amplitude Modulator Harmonics Modulator Pitch Modulator Wave Assign Modulator
Sample digital not editable not editable not editable not editable not editable no

Filter

Name Signal Class IC Resonant Shape Frequency Modulator Resonance Modulator Shape Modulator
VCF analog SSM2045 yes 24dB low pass not editable no no
Rompler Models
DPX-1