Roland KC-220 Battery Powered Stereo Keyboard Amplifier - Manual (Page 6)

6
Block Diagram
EQUALIZER EFFECT
CH1
BALANCED
CH1
CH2
L/R
CH3
L/R
CH 1
CH 2
LOW HIGH
MASTER
CH 3
AUX
L/R
AUX IN
AUX
(STEREO)
LEVEL FOOT SW
ON/OFF
LINE OUT
L/R
PHONES
(STEREO)
POWER AMP
TWEETER R
WOOFER R
HPF
MUTE
TWEETER L
WOOFER L
R
L
HPF
Main Specifications
Roland KC-220: BATTERY POWERED STEREO KEYBOARD AMPLIFIER
Rated Power Output
30 W (15 W + 15 W) (when using the AC
adaptor)
20 W (10 W + 10 W) (when using the Alkaline
batteries)
Nominal Input Level
(1 kHz)
CH1 (BALANCED, MIC/LINE): -50– -20 dBu
CH2 (LINE): -20 dBu
CH3 (LINE): -20 dBu
AUX IN (L, R, STEREO): -10 dBu
Nominal Output
Level (1 kHz)
LINE OUT: +4 dBu
Speakers
16 cm (6.5 inches) x 2
Tweeter x 2
Indicator Power
Connectors
CH1 (BALANCED) jack: XLR type
CH1 (MIC/LINE) jack: 1/4-inch phone type
CH2 (L/MONO, R) jack: 1/4-inch phone type
CH3 (L/MONO, R) jack: 1/4-inch phone type
AUX IN (L, R) jacks: RCA phono type
AUX IN (STEREO) jack: Stereo miniature
phone type
LINE OUT (L/MONO, R) jack: 1/4-inch phone
type
PHONES jack: Stereo 1/4-inch phone type
FOOT SW jack: 1/4-inch phone type
DC IN jack
Expected battery life
under continuous
use
Alkaline battery: Approximately 7 hours
Rechargeable Ni-MH battery: Approximately
8 hours
* This can vary depending on the capacity of
the batteries and the conditions of use.
Current draw 550 mA
Dimensions
420 (W) x 244 (D) x 320 (H) mm
16-9/16 (W) x 9-5/8 (D) x 12-5/8 (H) inches
Weight (excluding
batteries)
7.3 kg
16 lbs 2 oz
Accessory
Owner’s Manual
AC Adaptor
AC Cord
Options
(sold separately)
Speaker stand: ST-A95
Footswitch (BOSS FS-5U)
* 0 dBu = 0.775 Vrms
* This document explains the specifications of the product at the
time that the document was issued. For the latest information, refer
to the Roland website.