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Ensoniq ASR-10 Advanced Sampling Recorder

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The Ensoniq ASR-10 Advanced Sampling Recorder, another milestone in digital sampling keyboards. The ASR-10 revolutionizes the way sampling is integrated into a workstation, by including 24-bit dynamic effects processing and allowing the stereo audio input to be monitored, sampled, and resampled through the effects. And only ENSONIQ offers all the expressive control that turns a sampler into a truly musical instrument.


The ASR-10 features true stereo Sigma-Delta (one-bit) 64 times oversampling technology with a selectable sample rate of 30kHz or 44.1 kHz. Samples can be recorded from a variety of input sources including: the stereo audio inputs, the optional DI-10 Digital I/O Board (consumer AES/EBU digital interface) or the ASR-10’s own Main Audio Output (for resampling). The ASR- 10 can sample while the sequencer is playing, and can even sample its own sequencer playback.CD quality output circuitry provides state of the art playback performance. The ASR-10 has all the on-board editing functions you’ll ever need. Auto Looping, volume smoothing, gain normalization, and multiple types of crossfading provide complete control over your sampled sounds. An advanced Time Compression/Expansion function allows you to change the length or tempo of a sample without affecting the pitch, a necessity for dance music or broadcast needs.

Synthesis Functions

Not only does the ASR-10 provide superb stereo sampling, it is also a full function synthesizer, allowing you to reshape your sampled sounds with maximum flexibility. 31 voice polyphony, multiple filters and envelopes, and a comprehensive modulation matrix gives the ASR-10 the power to manipulate your WaveSamples into many exciting new sounds.


The ASR-10 incorporates effects processing into a sampler in new and exciting ways — with 50 different 24-bit effect algorithms, the ASR-10 provides a complete arsenal of signal processing and conditioning tools for your use. State-of-the-art Reverbs, Chorusing, Flanging, Phasing, Distortion, Digital Delays, and Speaker Effects, will make your sampled sounds and sequenced music sound totally professional. Signal conditioning effects, like EQ, Compression, and Ducking can be used to process sounds as they are being sampled to get the perfect sound every time.

The ASR-10 offers continuous audio monitoring of the stereo audio inputs on two dedicated Audio Tracks. The audio inputs can be monitored through the effects and if desired, audio input can be sampled through the effects. Audio Tracks also allow live external signals to play through the effects processor, so that you can use the ASR-10’s high quality effects on other instruments in your rig, or allow fellow musicians to plug right in and play — no mixer required! The ASR-10 also has the ability to resample sounds with effects in real time. For example: add reverb to a drum sample, resample it, then reuse the effects processor to further color your music.


The ASR-10 is also a 16-track sequencing workstation with complete mixdown capabilities. You can record and edit your performances with a wealth of creative tools. And only ENSONIQ sequencers allow you to audition your changes to decide which version to keep. This flexible combination of high fidelity sampling and synthesis, versatile effects processing, and sequencing is what makes the ASR-10 unique.

Audio Track Recording Capability

Version 2 O.S. adds two tracks of digital audio recording capability to the ASR-10. Audio Tracks can be recorded directly into RAM (RAMTracks™) or directly to a SCSI storage device (hard disk, removable media, etc.) via the optional SP-3 SCSI Interface (DiskTracks™). Now you can combine live performances with MIDI sequenced tracks for full production recording within the ASR-10. Sing, play your guitar, blow your horn — add whatever live performances you wish.

Support for the Optional DI-10 Digital I/O Interface

ASR-10 Version 2 supports the optional DI-10 Digital I/O Interface. When installed, the DI-10 provides direct digital input and output connection to and from the ASR-10 using RCA-type connectors. The Digital Output will provide 44.1 kHz digital output of the Main Out mix when the current effect uses a 44.1 kHz sample rate. The Digital Input can be used for direct digital
sampling from an external digital audio source at 44.1 or 48 kHz.

The O.S. disk also includes 12 additional effect algorithms, designed exclusively for the ASR-10, that use the 44 .1 kHz system sample rate (note: polyphony is reduced to 23 voices). Audio Tracks recorded at the 44.1 kHz sample rate can be output directly from the ASR-10’s Digital I/O Output jack (which requires the optional DI-10 Digital I/O Interface).

Technical Specifications
Type: Digital
Synthesis: Sampling, Subtractive
Oscillators: 16
Waveforms: ROM, Wave Table
Osc Modulation: After Touch, Breath Controller, Continuous Controller, Envelope, Fader, Keyboard, LFO, Mod Wheel, Oscillator, Pedal, Pitch Wheel, Glide / Portamento, Sequencer, Velocity
Sampling: 16 bit, 44.1 kHz
Sampling Notes:
Loads 127 Wave Samples with up to 8 Layers per Program.
Envelopes: 3
Evelope Paramerters: Initional Level, Delay, Attack, Decay, Decay 2, Sustain, Sustain Level, Release, Release 2, Rate 1, Level 1, Rate 2, Level 2, Rate 3, Level 3, Rate 4, Level 4, Bi-Polar, Freerun, Looping, Monophonic, Offset, Polyphonic, Slope
Filters: 2
Types: 6dB Slope, 12dB Slope (2-pole), 18dB Slope, 24dB Slope (4-pole), High Pass, Low Pass
Filter Modulation: Breath Controller, Envelope, Keyboard, LFO, Oscillator, Pedal, Pitch Wheel, Portamento, Sequencer
LFO: 4
LFO Parameters: Noise, Sample & Hold, Saw Up, Saw Down, Sine, Square, Triangle, Clocked, Delay, Freerun, Key Sync, Phase
Polyphony & Tuning
Polyphony: 31
Timbrality: 12
Tuning: Atonal, Micro, Standard
Modes: Mono, Polyphonic, Unison
Patches RAM: 120
Patches ROM: 180
Multipatches RAM: 120
Multipatches ROM: 180
Storage: Tape, Hard Drive, Internal, RAM Cartridge, ROM Cartridge
Editing: MIDI, SCSI
1 effects unit with 50 to 62 effects including vocoder (reverbs, chorus, flange, phaser, distortion, digital delay, speaker effects)
16 tracks, 80 Patterns (999 measure limit each), 1 Song at a time
Case: Keyboard
Case Details: 61 keys solid wood and plastic casing
Keyboard: 61 keys
Controls: Aftertouch, Breath, Buttons, Pedal - Filter, Mod - Wheel, Modulation 1/8" Jacks, Motion Control, Pedal - Patch Change, Pitch -Wheel, Velocity - Release, Sequencer, Pedal - Sustain, Tempo Knob, Velocity, Pedal - Volume
Display Type: Vacuum Fluorescent
Audio Output Connections: 1/4" Phone Jack, SPDIF, Stereo Main, Stereo 2, Stereo Headphone
Audio Output Count: 7
Inputs: 1/4" inputs
Year Released: 1992
Manuals & Documents
MSRP List Price: $2,499 - convert
Retail Street Price: $1,999 - convert
Used Price: $315-$1,200 - convert

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