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Roland Cr-8000

Compurhythm (1980)

Programmable drum machine with analog sounds. The Cr8000 is considered as the missing link between Roland CR-78 and TR-808 drum machines.

Overview

OVERVIEW Main panel features a display, a data encoder, 11 knobs and 32 buttons. 
MAINTENANCE / CUSTOM MODS: classic contact issue with buttons, it is possible to clean them, but extreme care it is needed to disassemble the tact switches. Try all before buying one on second hand market.

RELATED MODELS:
Roland Cr78: previous model
- Roland CR-5000 scaled-down version produced in the same year, lacking sync, digit display and some sounds including clap.

Terminal connectors:
- mono audio signal out
- Dinsync I/O at 24 PPQ
- trigger out (it outputs pulses at +5V)
- tab switch for time divider 8" 16" accent trig
- footswitch input: REGISTER alternates 2 patterns
- footswitch input: INTRO/FILL
- footswitch input: restarts the patterns even if not finished (for odd rhythm)
- footswitch input: START/STOP.

Cr8000 rear connections

Sound

OSCILLATORS  main core CPU NEC D8049C232 manages 6 channels polyphony with mixing levels.

SOUNDS There are 11 analog percussions some are channel-shared.
Channel 1  kick 1 
Channel 2 snare 2 (shared)
Channel 2 toms 2  (shared)
Channel 2 rimshot 2  (shared)
Channel 3 conga 3
Channel 4 claves 4  (shared)
Channel 4 cowbell 4  (shared)
Channel 5 cymbal 5  (shared)
Channel 5 hihats 5  (shared)
Channel 6 claps 8

MEMORY - 8 free pattern slots  Storage for programmed rhythm patterns are provided by backup batteries (3 x 1.5 V dry cells). 

SYNC the machine can be hooked to any compliant drum machines or synth arpegggiators using classic Sync24 Roland protocol which is smooth and precise.


Rhythm Arranger

ARRANGER   the drum machine operates in 2 main modes:
A- sequencer with simple step data input
B- arranger preset patterns.

A) SEQUENCER select one a pattern slots then time signature, relative number of steps then choose an instruments with the rotary pots, finally start step entry with note ON or PAUSE

B) ARRANGER there are 24 preset rhythms and 8 fills you cannot modify but to some limited parameters variations :
- CRASH adds a crash cymbal sound to the first pattern beat
- CONGA / CLAPS adds a pattern of conga or claps
- SHUFFLE adds a swing quantisation (not works for SWING or WALTZ patterns)
- CY4' CY8' HH16' HH4' OH respectively 4 beat Cymbal, 8 beat Cymbal, 16 beat Hi-Hat, 4 beat HiHats and a 4 beat afterbeat open Hi-Hat.
- REGISTER alternates 2 patterns
- FILL IN insert a FILL-Intro pattern every 16/ 12 /8 /4 /2 choosing from the dedicated knob selector. 
Rhythm preset list: waltz, disco, swing 1-2 f,oxtrot ,tango, samba 1-2, tango mambo , habanera cha cha, enka, rhumba,  beguine rock (1-2-3-5-6) bossanova  and merengue

Rhythm preset list: waltz, disco, swing 1-2 f,oxtrot ,tango, samba 1-2, tango mambo , habanera cha cha, enka, rhumba, beguine rock (1-2-3-5-6) bossanova and merengue

Roland CR8000 Specifications

Company: Roland
Model: CR-8000
Class: Drum machine
Dates: 1980
Price: 1000€
Synthesis: analog
PRESET RHYTHM SELECT BUTTONS: 8 
RHYTHM BANK SELECT BUTTONS: 3 
BANK 1: Waltz, Swing 1, Swing 2, Tango, Habanera, Enka, BD-4′ 
BANK 2: Rock 1~6, Disco, Fox Trot
BANK 3: Samba 1, Samba 2, Merengue, Mambo, Chacha, Rhumba, Beguine, Bossanova
PROGRAM RHYTHM SELECT BUTTONS: 8 
SOUND SOURCES:
Bass Drum, Snare Drum, Low Tom, Hi Tom, Hi – Hat, Open Hi – Hat,
Cymbal, Rim Shot, Low Conga, Hi Conga, Cowbell, Claves, Hand Clap
INTRO/FILL-IN SELECTOR:
1 (Preset 1~8, Program 9~12)
INTRO/FILL-IN MEASURES SELECTOR: 1 (Off, 16, 12, 8, 4, 2) 
ARRANGER SELECT BUTTON: 8 (CY-4′, CY-8′, HH-4′, HH-16′,Open HH, Conga, Hand Clap, Shuffle) 
CONTROL BUTTONS: 4 (Intro/Fill-In, Manual, Start/Stop, Register, Crash) 
VOICE LEVELS: 8 
MODE SELECTOR:
1 (Fill-In, Basic, Play)
INDICATORS:
Tempo Display: 1
Tempo LED: 1
Beat LED: 1
REAR PANEL
OUTPUT JACK: 
OUTPUT IMPEDANCE Less than 6 kW
OUTPUT LEVEL 4 Vp – p (10 kW)
CONTROL JACKS: 4
Start / Stop
Restart
Intro / Fill – In
Register
TRIGGER OUTPUT JACK:
1 (­ + 5V, 10ms Pulse)
TRIGGER PULSE SELECT SWITCH:
1 (8′, 16′, ACC)
SYNC. IN / OUT:
DIN Connector (For CSQ-600, MC-4): 1
Input Output Selector: 1
POWER CONSUMPTION: 12W 
DIMENSIONS:
13 (W) x 10 – 15 / 16 (D) x 4 – 1 / 4 (H) ins.
331 (W) x 278 (D) x 108 (H) mm
WEIGHT: 3.7kg / 8lb 2oz 
ACCESSORY: 2.5m Connection Cord x 1 
OPTION: Pedal Switch DP-2

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Roland CR8000 ROLAND
father of the Tr808!. 123456789 1234567890123
88 out of 100 based on 5 user ratings
700 to 1200 from 1 sellers Sellers:
Product description: nice sound, now getting quite rare on the market Customer reviews:
analog drum machine with tap programmer - by , April 1, 2011
4/ 5stars