Kenwood KS-303HT Service Manual

POWER SUBWOOFER
KS-303HT/SW-22HT/25HT
SERVICE MANUAL
REVISED
Grille ass'y
(B06-1481-08)
KS-303HT is bundled up satellite speaker. SW-22HT and
SW-25HT are Subwoofer only.
Front speaker, Center speaker, Rear speaker
Front speaker
system 2 way
(Magnetically shielded)
Enclosure Acoustic Air Suspension Acoustic Air Suspension Acoustic Air Suspension
Loudspeaker
Woofer: 100 mm(4") Cone type
Tweeter: 50 mm(2") Cone type
8 Ω
Nominal Impedance
Peak Input Power –
Maximum Input Power 80W
Sensitivity 88dB/Wat 1m
Frequency Response 100Hz ~ 20,000 Hz
Crossover Frequency 3,000 Hz
Dimensions Width: 129mm(5-1/16")
Height: 198mm(7-13/16")
Depth: 120mm(4-3/4")
Net Weight 1.2kg(2.6Ib)/piece
NOTE: THE GRILLES ON ALL SPEAKERS CANNOT BE REMOVED.
Notes:
1. Kenwood follows a policy of continuous advancements in development. For this reason, specifications may be changed without notice.
2. Full performance may not be exhibited in extremely cold locations (below 0 deg. C).

SPECIFICATIONS

Center speaker Rear speaker
2 way 1 way
(Magnetically shielded)
100 mm(4") Cone type
(Full Range type)
100 mm(4") Cone type –
50 mm(2") Cone type –
8 Ω 8 Ω
80W 80W
40W 40W
88dB/Wat 1m 85dB/Wat 1m
100Hz ~ 20,000 Hz 100Hz ~ 20,000 Hz
3,000 Hz –
129mm(5-1/16") 129mm(5-1/16")
198mm(7-13/16") 198mm(7-13/16")
120mm(4-3/4") 120mm(4-3/4")
1.0kg(2.2Ib) 0.8kg(1.8Ib)/Piece
© 2001-4/B51-5710-00 (K/K) 1362
Switch push
(S68-0206-08)
RCA jack x2
(E63-0213-08)
LED
(B30-1832-08)
Speaker jack Switch rocker
(E70-0204-08) (S66-0204-08)
Subwoofer(SW-22HT/SW-25HT)
System
Output Power
Input Sensitivity/Impedance
Audio
RCA-type pin-plug jack (LINE IN):
section
Push-type terminals:
Turn Over Frequency
Phase Switching
Enclosure
Speaker Loudspeaker
section
Nominal Impedance
Frequency Response
Power Consumption
Supply Voltage
Dimensions Width:
General
Height:
Depth:
Net Weight
Enclosure Finish
Control rotary
(R31-0419-08)
Control rotary Slide switch
(R31-0418-08) (S62-0213-08)
AC power cord
Fuse holder
(J13-0212-08) (E30-5857-08)
AC power cord bushing
(J42-0243-08)
Subwoofer system with built-in amplifier
50 Watts RMS, at 4Ω from 40 Hz to 160 Hz with no
more than 0.09% total harmonic distortion
100 mV/43 kΩ, 200 mV/43 kΩ (MONO)
1.8V/1.2 kΩ
80 Hz ~ 160 Hz
NORMAL, REVERSE
Bass-Reflex
200 mm (8") Cone type
4 Ω
40 Hz ~ 250 Hz
110 W
AC120 V, 60 Hz
286 mm (11-1/4")
368 mm (14-1/2")
356 mm (14")
11.2 kg (24.7 Ib)
High density particle board Iaminated with simulated
wood grain vinyl.
70%