Kenwood KAC-648S User Manual

KAC-648S
4-CHANNEL POWER AMPLIFIER 7 Page 2-11
INSTRUCTION MANUAL
AMPLIFICATEUR DE PUISSANCE 4 CANAUX 7 Page 12-21
MODE D’EMPLOI
AMPLIFICADOR DE POTENCIA DE 4 CANALES 7 Page 22-31
M A N U A L DE INSTRUCCIONES
© PRINTED IN MEXICO B64-1363-00 (KM)
Take the time to read through this instruction manual.
Familiarity with installation and operation procedures will help
you obtain the best performance from your new power amplifier.
For your records
Record the serial number, found on the back of the unit, in the spaces
designated on the warranty card, and in the space provided below.
Refer to the model and serial numbers whenever you call upon your
KENWOOD dealer for information or service on the product.
Model KAC-648S Serial number

Kenwood KAC-648S Specifications

Audio Section

max power output (4 Ω) 4 channel mode	50 W × 4
max power output (4 Ω) 3 channel mode	50 W × 2 + 140 W × 1
max power output (4 Ω) 2 channel mode	140 W × 2
rated power output (4 Ω) 4 channel mode	25 W × 4 (20 Hz ~ 20 kHz, less than 0.08 % THD)
rated power output (4 Ω) 3 channel mode	25 W × 2 (1 kHz, 0.08 % THD) + 70 W × 1 (1 kHz, 0.8 % THD)
rated power output (4 Ω) 2 channel mode	70 W × 2 (1 kHz, 0.8 % THD)
rated power output (2 Ω) 4 channel mode	35 W × 4 (1 kHz, 0.8 % THD)
frequency response	10 Hz ~ 45 kHz (+0, –1 dB)
signal to noise ratio	100 dB
sensitivity (max)	0.2 V (rated output)
sensitivity (min)	4.0 V (rated output)
input impedance	10 kΩ
low pass filter	80 Hz (12 dB/oct.)
high pass filter	150 Hz (12 dB/oct.)

General

operating voltage	14.4 V (11 ~ 16 V allowable)
current consumption	22 A (1 kHz, 10% THD)
dimensions (W × H × D)	260 × 56.5 × 209 mm
dimensions (W × H × D) in inches	10-1/4 × 2-1/4 × 8-1/4 in.
weight	3.0 kg (6.6 lb)