Phase Linear 300
Audio Power Amplifier
The Phase Linear 300 is an amplifier designed to meet the rugged requirements demanded of high level high fidelity systems.
It is capable of amplifying a wide range of frequencies with exceedingly low harmonic and intermodulation distortion and very low noise. Advanced technology incorporated into the 300 Series Two makes possible an amplifier with performance unattainable in the past.
The output circuitry of each channel incorporates four 200 watt power transistors providing a power handling capability of eight hundred watts per channel. The entire amplifier operates in a complementary configuration which exhibits very good linearity and long term reliability.
A massive heatsink provides more than adequate cooling capability for loads down to four ohms.
The model 300 is also equipped with unique overload protection systems designed to insure safe and reliable operation. If the amplifier is accidentally connected to a short circuit or a very low impedance load, a precision calibrated protection system prevents the output amplifiers from being damaged.
Output to the speakers is controlled by an electronically activated relay. For approximately five seconds after turn-on and immediately after turn-off the speakers are disconnected from the amplifier to avoid any transients applied to the inputs of the amplifier being passed on to the speakers.
The relay activation system will also detect the presence of DC output voltage or unusually large subsonic signals and automatically prevent such potentially dangerous signals from reaching the speakers. Audio information will not cause the speaker relay to open.
Power output: 120 watts per channel into 8Ω (stereo)
Frequency response: 11Hz to 190kHz
Total harmonic distortion: 0.009%
Input sensitivity: 1.4V
Signal to noise ratio: 110dB
Dimensions: 483 x 88 x 285mm
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