Phase Linear DRS 900

Send

The Phase Linear DRS 900 is a high-performance audio power amplifier that was introduced by Phase Linear in the late 1970s. DRS stands for Direct Regulated Supply, a proprietary power supply technology developed by Phase Linear that aims to deliver a stable, low-noise supply to the amplifier. The 900 model features a voltage gain of 34 dB and the ability to deliver 240 watts per channel into 8 ohms or 480 watts each into 4 ohms. The amplifier uses sophisticated switching-mode regulation circuitry to maintain a constant voltage across the output devices, eliminating the voltage sag typically seen in traditional linear supplies at high power levels. The 900 has an impressive frequency response ranging from 5 Hz to 20 kHz (-1 dB points) and is designed for use in professional audio applications such as recording studios, post-production facilities, and live-sound reinforcement. Its rugged construction, high reliability, and exceptional audio performance make it a trusted choice among audio enthusiasts and industry professionals.

Power Output: 150W into 8Ω (stereo)
Frequency Response: 20Hz to 20kHz
Distortion: 0.15%
Speaker Impedance:
Input Sensitivity:
Signal to Noise Ratio:
Dimensions:
Weight: 38 lb
Year: 1982
Price: USD $1095.00 (1982)