3
PS18/28/48 Service Manual
Dimensions:
Bass Module:
8.0" W x 23.0" D x 16.0" H
(20.32 x 58.42 x 40.64 cm)
Single Satellite:
3.1” W x 4.0” D x 3.1” H
(7.0 x 10.2 x 7.9 cm)
Double Satellite:
3.1" W x 4.0" D x 6.02" H
(7.8 x 10.2 x 15.7 cm)
Jewel Cube
speaker:
2.2" W x 8.0" D x 2.6" H
(39.4 x 20.3 x 6.6 cm)
Weight:
Module:
35.9 lb (16.3 kg)
Single Satellite:
1.1 lb (0.5 kg)
Double Satellite:
2.4 lb (1.1 kg)
Jewel Cube speaker:
1 lb (0.5 kg)
Specifications
Mechanical
Electrical
Drivers:
Bass module:
Two woofers, 5 1/4", 2.33 Ohms,
(wired in parallel)
Single Satellite speaker:
One Twiddler
TM
speakers per cube, 50 mm, 4 Ohms
Double Satellite speaker:
Two Twiddler speakers per cube, 50 mm, 4 Ohms
(wired in series)
Jewel Cube speaker:
Two Twiddler speakers per cube, 2 1/4", 3.2 Ohms
(wired in series)
Amplifier power:
Bass Channel:
125W, <0.2% THD, 40 Hz-200 Hz,
120 Vrms AC mains
L/R/C/LS/RS:
20W, <0.2% THD, 200 Hz-15 kHz,
120 Vrms AC mains
Input impedance:
Bass Module:
1.16 Ohms (two 2.33 Ohm woofers
wired in parallel)
Single Satellite:
4 Ohms (one 4 Ohm Twiddler speaker)
Double Satellite:
8 Ohms (two 4 Ohm Twiddler speakers
wired in series)
Jewel Cube Speaker:
6.4 Ohms (two 3.2 Ohm Twiddler speakers
wired in series)
L/R/C/LS/RS output distortion:
<0.1% THD at 0.5W
Bass distortion:
<0.2% THD at 0.5W
L/R/C/LS/RS output noise:
<500 uVrms, A weighted
Bass output noise:
<2 mVrms, unweighted
L/R/C/LS/RS DC offset:
<25 mVdc
L/R/C/LS/RS balance:
±
2.0 dB
Channel separation:
>40 dB at 1 kHz
>30 dB at 10 kHz
(stereo mode)
Turn-on delay:
1.5 seconds maximum
Turn-off delay:
200 ms maximum
Main voltage:
USA/Canada : 120 VAC, 60Hz
Europe, UK, AUS : 230/240VAC, 50Hz
Dual Voltage : 115/230VAC, 50/60Hz
Inrush current:
20A peak for first 33.3 msec.