Kenwood SW-3HT User Manual

SPECIFICATIONS
Type ..........................................Subwoofer system with built-in
amplifier
[Amplifier]
100 watts RMS, at 4 W, from 20 Hz to 200 Hz with no more
than 0.09 % total harmonic distortion.
Phase Switching .....................NORMAL, REVERSE
Input Sensitivity & Input Impedance
RCA-type pin-plug jack .......45 mV (12 kW)
Push-type terminals ............0.7 V (5 kW)
Supply Voltage .......................U.S.A. and Canada AC 120 V
Other countries AC 110 V - 120 V/ AC 220 V - 240 V
Rated Power Consumption ..110 W
[Speaker]
Enclosure .................................Bass-Reflex, Floor Standing
Type
Speaker Units .........................250 mm Cone type
Nominal Impedance ..............4 W
Dimensions ..............................Width : 300 mm (11-13/16")
Height : 420 mm (16-9/16")
Depth : 444 mm (17-1/2")
Net Weight ..............................16 kg (35.3 lb)
Supplied Accessories ............ Pin-plug cord × 1
....................................................Pads (× 4)
NOTE: DO NOT REMOVE THE GRILLE.
Note:
KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice.
LINE
PHASE LEVEL CONTROL
REVERSENORMAL
FROM AMPLIFIER
+––+
+––+
TO SPEAKERS
POWER
ON
RL
R
L
INPUT
OFF
SERIAL NO.
Level control knob
(K29-0576-08)
POWER SUBWOOFER
SW-3HT
SERVICE MANUAL
© 1997-11/B51-5394-00 (K/K) 1396
* Refer to parts list on page 7.
LED
(B30-1822-08)
AC cord *
(E30-)
Cloth frame assy
(B06-1144-08)
Badge
(B43-0847-04)
Slide switch voltage *
(S31-)
Slide switch phase
(S62-0207-08)
Power knob (REAR)
(K29-0579-08)
Speaker terminal
(E21-0279-08)
Cord bushing
(J42-0234-08)
SW-3HT COVER 2P ( 98.4.25 8:27 PM y[W 2

Kenwood SW-3HT Specifications

General

Brand	Kenwood
Model	SW-3HT
Category	Subwoofer
Language	English

Summary

Specifications

Amplifier Specifications

Details amplifier power output (RMS), phase switching options, input sensitivity, and supply voltage requirements.

Speaker Specifications

Details speaker enclosure type, unit size, nominal impedance, physical dimensions, net weight, and included accessories.

Adjustment Procedure

Idle Current Adjustment

Procedure for adjusting the amplifier's idle current using a DC voltmeter and specific resistor (R611).

PC Board Diagrams

Component Side View

Illustrates the component layout on the main printed circuit board for service and identification.

Schematic Diagrams

Input/Filter Schematic

Provides the detailed circuit diagram for the audio input and filtering stages of the subwoofer.

Power Amplifier Schematic

Presents the detailed circuit diagram for the power amplifier section, including output stages.

Exploded View

Unit Exploded View

Visual breakdown of the subwoofer's physical components, aiding in assembly, disassembly, and part identification.

Parts List

Component Parts

Comprehensive list of all electronic and mechanical parts, including part numbers, descriptions, and destination codes.