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POWERED SUBWOOFER
103SW/SW-301
1050SW/SW-501
SERVICE MANUAL
Knob
(K29-0578-08)
Knob
(K29-0577-08)
Cloth frame assy
(B06-1144-08)
Note : Refer to SW-900 service manual(B51-4228-00) if you need
the microprocessor information.
Amplifier
Power output
Phase switching
Input sensitivity and input impedance
RCA-type jack
Push-type terminals
Supply voltage
Rated power consumption
Speaker
Enclosure
Speaker units
Nominal impedance
Width
Height
Depth
Net weight
Since Kenwood follows a policy of continuous advancement in development, these specifications may change without notice.
Knob
(K29-0573-08)
KENWOOD badge
(B43-0302-04)
Window
Panel *
(B10-3302-08)
(A29-)

SPECIFICATIONS

1050SW(SW-501)
150 watts RMS into 4 ohms,
from 20 Hz to 200 Hz, with no
more than 0.09%total
harmonic distortion
Normal, Reverse
70 mV (12 k-ohms)
1.7 V(15 k-ohms)
AC 110 V~120 V (1050SW)
150 watts
Ported
12 in (300 mm) polypropylene
cone
4 ohms
14.3 in (363 mm)
21.7 in (550 mm)
18.9 in (480 mm) with grille
53 lb (24 kg)
©1997-10/B51-5376-00 (K/K) 2295
RCA pin jack
(E23-0224-08)
Knob
Power cord bushing
(K29-0576-08)
(J42-0234-08)
Slide switch
(S62-0207-08)
* Refer to parts list on page 8.
103SW(SW-301)
100 watts RMS into 4 ohms,
from 20 Hz to 200 Hz,with no
more than 0.09%total
harmonic distortion
Normal, Reverse
70 mV (12 k-ohms)
1.7 V(15 k-ohms)
AC 110 V~120 V(103SW)
110 watts
Ported
10 in (250 mm) polypropylene
cone
4 ohms
11.8 in (300 mm)
18.9 in (480 mm)
15.6 in (395 mm)
40 lb (18 kg)
Speaker terminal
(E21-0279-08)
AC power cord*
(E30-)

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Table of Contents

   Also See for Kenwood 103SW

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   Summary of Contents for Kenwood 103SW

  • Page 1: Specifications

    18.9 in (480 mm) Depth 18.9 in (480 mm) with grille 15.6 in (395 mm) Net weight 53 lb (24 kg) 40 lb (18 kg) Since Kenwood follows a policy of continuous advancement in development, these specifications may change without notice.
  • Page 2 1. Remove the decoration plate (1) by a pincette to the bottom of the front panel, then remove the 3 screws (2). 2. 103SW/SW-301: Remove the front panel in the upper slanting direction of the arrow (3). 1050SW/SW-501 : Remove the front panel just the frontwards.
  • Page 3 PC BOARD(Component side view) Refer to the schematic diagram for the value of resistors and capacitors.
  • Page 4 D3SBA20/D5SBA20 2SC5198/2SC3281 (R) 2SA1941 (R) /2SA1302 (R) 2SC1846 2SD1913 Note: 103SW(SW-301)/1050SW(SW-501) CAUTION: For continued safety, replace safety critical components only with manufacturer's The DC voltage is an actual reading measured with 103SW/SW-301/1050SW/SW-501 recommended parts (refer to parts list). indicates safety critical components. For continued a high impedance type voltmeter.
  • Page 5 MVR401 MVR401 782x2 (CN804) (CN201A) ø 4x14(BLK) N44-4014-45 M4x16 N35-4016-45 ø 5x25(BLK) N09-3668-05 (103SW) ø 5x25(BLK) N09-3672-05 (1050SW) ø 3x20(BLK) N44-3020-45 (103SW) ø 3x16(BLK) N62-3116-45 (1050SW) ø 3x8 N09-3669-05 ø 3x6 N89-3006-46 ø 3x8 N83-3008-46 ø 3x10(BLK) N89-3010-45 SPK1 ø 3x8(BLK) N89-3008-45 ø...
  • Page 6 Ref. No Parts No. Description Ref. No Parts No. Description ress Parts nation marks ress Parts nation marks 103SW/SW-301 (103SW: KP type only) N09-3669-05 SCREW N89-3006-46 SCREW A09-0753-05 BATTERY COVER N83-3008-46 SCREW A29-0915-08 PVC TRIM FOR WINDOW N89-3010-45 SCREW A29-0917-08...
  • Page 7 New Parts New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 8 New Parts New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.

This manual is also suitable for:

Sw-3011050swSw-501

Comments to this Manuals

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Latest comments:
  • Paul Dudley Jun 11, 2017 03:34:
    Absolutely useless! you mention refer to B51-4228-0​0 Kenwood SW-900 but it is nowhere to be found. Here's a point, don't mention something you don't have.