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BOSS Dr. Rhythm DR-550

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Technic details

Specifications

Type:
16 bit Digital Drum Machine
Number of Tones:
48 types
Maximum Polyphony:
12
Memory Capacity:
64 (Preset Patterns)
64 (Programmable Patterns)

Configuration:
1 ~ 4 (Scale)
1 ~ 16 (Last Step)
Songs:
8 Songs
Max. 160 bars / Song
Max. 1280 bars by using Song Chain function
Tempo:
40 ~ 250
External Data Storage:
Audio Cassette Tape
External Sync:
MIDI
Output Level:
Max. 6.5 Vp-p (Output L or R)
Max. 0.35 Vp-p (Tape Save)
Noise Level:
Less than -82.5 dBm (Output L or R)
Accessories:
Dry cell SUM-3S x 6 pcs.
Owner’s Manual (Japanese)
Owner’s Manual (English)
Options:
AC Adaptor BOSS PSA Series (PSA-100 / 120 / 220 or 240)
Power Source:
DC 9V, Battery SUM-3S x 6 pcs. or
AC Adaptor
Battery Life:
Approx. 9 hours (Manganese)
Approx. 23 hours (Alkaline type)
Current Draw:
90mA at DC 9V

Dimensions (W x H x D):
188 x 41 x 157mm
Weight:
510g
Year:
1989

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