Specifications - Yamaha Electone BK-4B Owner's Manual

Specifications
KEYBOARDS
Upper Manual 44 keys f ~ c4
(3X octaves)
Lower Manual 44 keys F~ c3
(3% octaves)
Pedals 13 keys Ci~C
(1 octave)
TONE LEVERS
Upper Manual Flute 16'
Trombone 16'
Flute 8'
Oboe 8'
String 8'
Lower Manual Flute 8'
Horn 8'
(or Piano")
Cello 8'
(or Guitar*)
Pedals Bass
*
It becomes so with ABC.
EFFECT LEVERS
Vibrato
Pedal Sustain
EFFECT CONTROLS
Reverb
Reverb Balance (Upper/Lower)
EFFECT SELECTORS
Spacious Sound Upper
Spacious Sound Lower
Spacious Sound Slow/Fast
ABC FUN BLOCKS
ABC Selectors
Normal
Single Finger Chord
Fingered Chord
Constant
Memory
Minor Chord Foot Piston
Seventh Chord Foot Piston
AUTO RHYTHM SECTION
Rhythm Selectors
March Jazz Rock
Waltz Rhumba
Swing Bossanova
Slow Rock Samba
Rhythm Controls
Rhythm Start
Synchro-Start
Rhythm Stop (Foot control)
Tempo
Volume
Tone Balance
Tempo Indicator Lamp
OTHER CONTROLS
Expression Pedal
Power Switch
OTHER FITTINGS
Pilot Lamp
Headphone Jack
External Input Jack^
Roll-top Fallboard
Music Rest
Matching Bench
SPEAKER
Yamaha JA-3055A 30cm (12")
CIRCUITRY
Solid State (Incl. (Cs and FETs)
Output Power: 15 Watts (RMS)
Power Consumption: 40 Watts
Power Source: AC, 50/60Hz
DIMENSIONS
Width: 111cm (434)
Depth: 56cm (22")
Height: 90cm (35%"")
WEIGHT 55kg (121 Ibs.)
FINISH American Walnut Grain
Specifications subject to change without notice.
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