INTRODUCTION
The Crown PSL-2 is a professional stereo preamplifier,
bringing all system components together in a single ver-
satile control unit. “Straight-Line” signal path engineering
results in very low distortion.
SONIC PERFORMANCE
Signal-to-Noise:
(A-weighted) 103 dB below rated output for all inputs ex-
cept Phono. 93 dB below rated 10 mV phono input.
Total Harmonic Distortion (THD):
Less than 0.009% from 20 Hz to 20 kHz at rated output.
Less than 0.0009% at 1 kHz with IHF load. Phono: Less
than 0.009% from 20 Hz to 20 kHz.
Intermodulation Distortion (IMD):
(60 Hz and 7 kHz 4:1) Less than 0.0025% at rated output.
Phono: Less than 0.0025% at rated output.
Phono Gain:
Adjustable 30 to 50 dB (33 to 330 mV for rated output).
Low Filter:
18 dB per octave slope, down 32 dB at 10 Hz.
Loudness Compensation:
Bass compensation matched to ISO curves (Robinson-
Dadson) down to 60 phons; tracked to Level (gain) con-
trol with active network to eliminate unwanted subsonic
boost.
Muting:
Seven second turn-on delay during which the outputs are
shorted to prevent turn-on transients from reaching the
speakers.
Input Impedance:
Tape, Tuner, CD and Aux 25 kohms; phono 47 kohms in
parallel with less than 50pF.
Input Sensitivity:
250mV applied to Tape, Tuner, CD or Aux input yields full
rated output at full gain of 20 dB.
Output Impedence:
600 ohms.
Output Level:
Main and phono outputs: 2.5 volts
CONTROLS
Power, tape 1 and 2 monitor, rotary input selector (Phono,
Tuner, CD, Aux), tone activate, detented treble and bass
tone controls, center-detented output Balance control,
detented level (gain) control, loudness, subsonic filter,
rotary copy selection, phono input gain control for each
channel.
POWER
1 TAPE 2
COPY
2 –> 1
1 –> 2
NORMAL
PHONO
TUNER
AUX
INPUT
CD
BASS
TREBLE
ACTIVATE
BALANCE
MODE
LEVEL
LEFT
RIGHT
STEREO
MUTE
MONO
REV
LOUDNESS
FILTER
MONITOR
NORMAL
FLAT
OVLD
SPI
SPI
RUMBLE INDICATOR
0
10
20
40
50
•
0
1
2
3
4
5
–1
–2
–3
–4
–5
0
1
2
3
4
5
–1
–2
–3
–4
–5
PSL-2
CONNECTORS
Inputs:
Unbalanced RCA jacks on the back panel.
Outputs:
Unbalanced RCA jacks and stereo 1/4-in. phone jack on
the front panel for monitoring.
Ground:
Phono ground post.
AC:
Six AC accessory outlets (5 switched; 1 unswitched).
STRUCTURAL
Dimensions:
19 in. (48.3 cm) standard rack mount width, 1.75 in. (4.4
cm) height, 11.5 in. (29.2 cm) depth behind mounting sur-
face.
Approximate Weight:
11 lbs. (5 kg).
Finish:
Black polyurethane coated aluminum front panel.
Crown International, Inc.
PO Box 1000 Elkhart, IN 46515-1000
Ph. 800-342-6939/219-294-8200
Fax 219-294-8301
http://www.crownintl.com
Trademark Notice:
Crown
®
is a registered trademark of Crown International Inc.
]
@crown
®
Professional Preamplifier Quick Reference
