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Casio RZ-1 Digital Sampling Ryhthm Composer


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Description
The Casio RZ-1 was a drum machine manufactured and released by Casio in 1986. It was one of the first drum machines to allow the user to sample their own sounds, augmenting the unit's built-in sounds.

Either four samples of 0.2 seconds each, or one sample of 0.8 seconds, could be recorded and used. The sampling frequency was 20 kHz, which resulted in a playback bandwidth of around 10 kHz. The sampled sounds could not be edited in any way. This was unfortunate because the user recorded sounds had a tiny portion of silence before their start, causing them to sound slightly delayed in playback compared to the machine's built-in sounds. The only adjustable parameter provided for the samples was a simple low pass filter.

The RZ-1 had a built-in mixer section allowing adjustment of the mix heard through the stereo outputs. In addition to the stereo mix output, the RZ-1 had ten separate outputs for feeding the individual sounds into an external mixer. The unit also featured a backlit LCD and MIDI in/out/thru sockets. The internal memory held 100 patterns and 20 songs, which could be copied to cassette tape using an unorthodox socket labeled MT (Music Tape - not be confused with a MIDI Thru socket).
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Technical Specifications
Type: Digital
Synthesis: ROM, Sampling
Oscillators: 1
Waveforms: ROM
ROM Resolution: 12 bit, 32 kHz
Osc Modulation: Keyboard, Velocity
Oscillator Notes:
ROM Sounds
+ Tom1
+ Tom2
+ Tom3
+ Snare
+ Kick
+ Rim
+ Open HiHat
+ Closed HiHat
+ Ride
+ Crash
+ Clap
+ Cowbell
Sampling: 12 bit, 20 kHz, Gated, One Shot (Phrase)
Sampling Notes:
Sampler
+ 4 samples of 0.2 seconds each
+ 1 sample of 0.8 seconds
Envelopes
Envelopes: 0
Filters
Filters: 1
Types: 24dB Slope (4-pole), Low Pass
Filter Modulation: Keyboard
LFO
LFO: 0
Polyphony & Tuning
Polyphony: 16
Timbrality: 16
Tuning: Standard
Modes: Polyphonic
Patches
Patches RAM: 100
Multipatches RAM: 20
Storage: Internal
Editing: MIDI
Case
Case: Desktop
Controls: Buttons, Pads, Sliders
Display Type: LCD, LED
Display Count H: 16
Display Count V: 2
Connections
Audio Output Connections: 1/4" Phone Jack, Mono Out, Stereo Headphone
Audio Output Count: 10
Audio Output Notes: 10 Mono 1/4" TR
Inputs: Mic 1/4" TR
MIDI Ports: IN, OUT, THRU
DAC Bits: 12
DAC Frequency Rate: 32
Production
Year Released: 1986
Manuals & Documents
Pricing
MSRP List Price: $599 - convert
Retail Street Price: $550 - convert
Used Price: $75 - $250 - convert
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