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Roland Cr-68

Compurhythm (1979)

A cut-downd version of iconic Roland Cr-78 with same rhytms but not programmable and it lacks some features

Overview

OVERVIEW main panel features 21 buttons, 2 switches and 5 knobs.
CR68 exists in 2 design colors: wood and black

RELATED MODELS:
Roland Cr78: very similar with programming and more features, but same sound.
- Roland CR-800 very rare: an hybrid between Cr78 and cr68 with internal speaker. 
- Roland CR-8000 successive Compurhythm model

Terminal connectors:
- main out at low impedance
- main out at high impedance
- pedalswitch input for variation function
- pedalswitch input for start/stop
- Clock trigger out

Sound

OSCILLATORS  CPu uPD8048 is an 8-bit parallel computer fabricated on a single sillicon chip. The 8048 contains a 1k x 8 
ROM program memory, a 64 x 8 RAM memory. Basically the drum machine can be played only pushing preset patterns (and combos), it does not features programmation / Midi / trigger.

SOUNDS the CR-68 features 4 channels and generates 12 percussion: Bass Drum, Snare Drum, Rim Shot, Hi-hat, Cymbal, Maracas, Claves, Cow Bell, High Bongo, Low Bongo, and Low Conga 

SEQUENCER Unlike the CR-78, the CR-68 did not allow you to program your own patterns. 

SYNC no sync input, just a trigger out

Rhtyhm Arranger

ARRANGER   it features 34 different preset rhythms, 17 buttons, plus a toggle switch choosing from bank A and B.  There is a knob to select between 5 "variations", as well as controls for volume, tempo  sound balance and drum accent. 
LIST: rock (x4), swing, samba, enka, disco (x2), foxtrot, mambo, waltz, tango, chacha, shuffle, boogie, beguine, slow rock, bossanova and rhumba. 

CR68 CPU

Roland CR68 Specifications

Company: Roland
Model: CR-68
Class: Drum machine
Dates: 1979
Price: 500€
Synthesis: analog
Polyphony: 4 voices
Preset: 34 rhythms
Sync: 12 ppq


• RHYTHM SELECTION BUTTON
ROCK 14. DISCO 1.2, WALTZ. SHUFFLE, SLOW
ROCK, SWING, FOX TROT, TANGO. BOOGIE, ENKA
(a genre in Japanese music), BOSSANOVA.SAMBA.
MAMBO. CHA CHA, BEGUINE, RHUMBA
• SOUND SOURCE
BASS DRUM, SNARE DRUM, RIM SHOT. HI-HAT.
CYMBAL, MARACAS, CLAVES, COW BELL, HIGH
BONGO, LOW BONGO. LOW CONGA

• VARIATION SELECTOR
FILL IN 1-7, BREAK, RHYTHM IA-B). ROLLING- HB. SD
• MEASURE SELECTOR.
• CONTROL KNOB LEVEL, BALANCE. ACCENT. TEMPO 
• SWITCH (BUTTON) :5 
START/STOP. RHYTHM PATTERN SELECTOR.
AUTO/MANUAL SELECTOR, MANUAL. POWER

• JACK OUTPUT 
HI: 220Kohm  LOW: 10Kohm max. OdBm 

FOOT SWITCH
START/STOP. VARIATION (DP.I)
TRIGGER PULSE OUT
OFF:OV : ON:+ 15V pulse


• TRIGGER PULSE SELECTION SWITCH
8 beat, 16 beat, combination
INDICATOR
TEMPO (also used as power switch pilot lamp)

• POWER SUPPLY VOLTAGE
• POWER REQUIREMENTS
100V, 50/60 Hz

Weight: 4,5 Kg
Dimensions: 78 × 28,6 × 8,8 cm

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Roland CR68 ROLAND
little sister of iconic drum machine!. 123456789 1234567890123
78 out of 100 based on 12 user ratings
400 to 700 from 1 sellers Sellers:
Product description: very good drum, still affordable Customer reviews:
a smart alternative to expensive cr78 - by , April 1, 2011
4/ 5stars