Kenwood KAC-821 User Manual

STEREO POWER AMPLIFIER

KAC-821

INSTRUCTION MANUAL

KENWOOD

I

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 bottom 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 this product.
Model KAC-821 Serial number———

---------------—--------------------------------------------------------

CPRINTED in JAPAN B50-7910-10(E)(T)

"92/12 11 10 98765432

—

ACCESSORY

No.

©

Tapping screws (^5x50)

Part name

External View

7uT'D>

Number of

units

4

muuoLiidnyuiiivu uuiuc

What often appears to be a malfunction is often due to user error in operation or connection.
When trouble occurs with your unit, piease check the following before calling for service.

Symptom Cause

The sound level is low.
(No sound from one
side.)

The sound quality is
bad. (The sound is dis

torted.)

A spe ak er cord has bec om e unc on 
nec te d.

1. T he sp e ak er s a re c on ne ct ed to
the sa m e wir es ,

2. A s pe ak er co rd is p inc he d by a
scr ew in th e ca r b o dy .'

Che ck the spea ke r cor d co n
nec tio ns .

1. Conn ec t e ac h sp ea k er te rm ina l
to it s res pe c tiv e s pe a ke r o ut pu t.

2. Ch e ck th e sp ea ke r w ir in g.

Remedy

SPECIFICATIONS

Specifications subject to change without notice.

Audio section

Max Power Output (1 kHz, 4 fi}

Normal .................................................................................................................140 W + 140 W

Bridged.................................................................................................................................. 280 W

Power Output

Normal (20 Hz~20 kHz, 4 fi, less than 0.5% THD)

■Bridged (1 kHz, 4 Q, 0.5% THD)

...........................^........................................................

Output Power

Normal (1 kHz, 2 fi, 0,5% THD)

............................................................................

Frequency Response (-3 dB)...................................................................................2 Hz~100 kHz

Sensitivity [rated output) MAX.......................................'.........................................................0.1 V

MIN

......................................... ........................................................

Signal to Noise Ratio...................................................................................................................... 105 dB

Input Impedance................................................................................................................................ 10 kii

Damping Factor (100 Hz)

.........................................................................................

Sub Woofer Frequency.................................................................................30—150 Hz (variable)

............................................

More than 200

75 W + 75 W

150 W

75 W + 75 W

5.0 V

General

Operating Voltage

Current Consumption (MAX.)....................................................................................................20 A

Dimensions (WxHxD)........................................................................................230x50x300 mm

Weight...........................................................................................................................3,5 kg (8.8 lb)

...........................................................................14.4 V (11 — 16 V allowable}

(9-1/16X 1-15/16X 11-13/16 in.)