Crown PSL-2 Brochure

@crown

Professional Preamplifier Quick Reference

®

PSL-2

NORMAL

POWER 1 TAPE 2

NORMAL

INPUT

TUNER

PHONO

CD

AUX

COPY

2 –> 1

1 –> 2

BASS TREBLE

0

–1

1

–2

–3

–4

–5

5

ACTIVATE

2

3

4

–2

–3

–4

INTRODUCTION

The Crown PSL-2 is a professional stereo preamplifier,
bringing all system components together in a single ver­satile 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 ex­cept 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 (Robinson­Dadson) down to 60 phons; tracked to Level (gain) con­trol 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.

BALANCE MODE LEVEL

0

–1

1

2

3

4

5

LEFT RIGHT

–5

STEREO

MUTE

SPI SPI RUMBLE INDICATOR

OVLD

MONO

REV

40

20

50

0

•

FLAT

10

LOUDNESS

MONITOR

FILTER

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 sur­face.

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 [phone]

http://www.crownintl.com

Trademark Notice:

®

Crown

is a registered trademark of Crown International Inc.