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PA 150 150W Power Amplifier

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Overview

The Crest PA 150 is a rugged, medium-power amplifier with features that make it stand alone in the industry. It's a rack-mountable unit which occupies only one rack space, and yet packs a 75 Watts RMS per channel punch into 4, 8, or 16 Ohms. It's selectable; a feature seldom found on the typical solid state amp. In bridge mode, this power amp delivers 150 Watts RMS into 8, 16, and 32 Ohms. (32 Ohms is the load impedance for a 150 Watt, 70 Volt distribution system). There's no fan in the PA 150 to make noise. Adequate cooling is provided by two massive heat sinks. Each channel is protected from excessive operating temperatures with a thermal/fault system that is automatic, and only activates under extreme conditions.

Features

75W RMS per channel
150W RMS Bridge mode
selectable 4, 8, or 16 Ohms
SPS compression on each channel
electronically balanced inputs
convection cooled
1 rack unit
Weight: 22 lbs.

Specs

PA 150 150W Power Amplifier Specifications:

Characteristics (@ 120 V AC, 60 Hz) [impedance selector setting]
stereo mode, both channels driven: 4 Ohms, 1 kHz, 1% THD - 85 W RMS/channel (4 Ohms); 8 Ohms, 1 kHz, 1% THD - 85 W RMS/channel (8 Ohms) (25 V); 16 Ohms, 1 kHz, 1% THD - 85 W RMS/channel (16 Ohms)
bridge mode, mono: 8 Ohms, 1 kHz, 1% THD - 170 W RMS (4 Ohms); 16 Ohms, 1 kHz, 1% THD - 170 W RMS (4 Ohms); 32 Ohms, 1 kHz, 1% THD - 170 W RMS (16 Ohms) (70 V)
stereo mode, both channels driven: 4 Ohms, 20 Hz to 20 kHz, 0.1% THD - 75 W RMS per channel (4 Ohms); 8 Ohms, 20 Hz to 20 kHz, 0.07% THD - 75 W RMS per channel (8 Ohms) (25 V); 16 Ohms, 20 Hz to 20 kHz, 0.05% THD - 75 W RMS per channel (16 Ohms)
bridge mode, mono: 8 Ohms, 20 Hz to 20 kHz, 0.1% THD - 150 W RMS (4 Ohms)
16 Ohms, 20 Hz to 20 kHz, 0.07% THD - 150 W RMS (8 Ohms); 32 Ohms, 20 Hz to 20 kHz, 0.05% THD - 150 W RMS (16 Ohms) (70 V)
Distortion stereo mode, both channels driven: 20Hz to 20 kHz, at rated power and load below 0.1% (4 Ohms); below 0.07 (8 Ohms); below 0.05% (16 Ohms)
Input sensitivity and impedance: input attenuator set FCW, at rated power and load 0.7 V RMS (-3 dBV) (4 Ohms); 1.0 V RMS (0 dBV) (8 Ohms); 20 kilohms (28 dB gain)
Slew rate (typical value): stereo mode, each channel: 15 Volts per uSec; bridge mode, mono: 30 Volts per uSec
Frequency response (typical value): stereo mode, both channels driven ±1 dB, 1 W RMS at rated load 10 Hz to 40 kHz; 2 dB, ±at rated power and load 20 Hz to 20 kHz
Damping factor (typical value) stereo mode, both channels driven, at rated load, 1 kHz: greater than 100 (4 Ohms); greater than 200 (8 Ohms); greater than 400 (16 Ohms)
Hum and noise: stereo mode, both channels driven below rated power, unweighted 97 dB (4 Ohms); 100 dB (8 Ohms); 103 dB (16 Ohms)
Power consumption: stereo mode, both channels driven at rated power and load 2.5 A at 120 V AC
Dimensions (H x W x D): 1.75" x 19" x 8" ,(4.4 x 48.3 x 20.3 cm)
Weight: 22 lbs. (10.0 kg)

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PA 150 150W Power Amplifier

Features

PA 150 150W Power Amplifier Specifications:

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