CROWN STUDIO REFERENCE 1 Amp Power Amplifier
The Crown® Studio Reference I power amplifier is a solid-state two-channel model employing multi-mode (AB+B) grounded bridge(TM) output circuitry with a variable impedance (VZ) power supply for each channel.
The outputs are switchable as stereo, bridged-mono or parallel-mono modes of operation. The bridged-mono mode bridges the outputs to provide an increased output voltage.
The parallel-mono mode parallels the outputs to provide an increased output current.
The output impedance of each channel is less than 10 milliohms in series with less than 2 microhenries in stereo mode.
Front panel indicators include an amber power enable indicator, an amber ODEP protection system indicator for each channel which normally are illuminated to confirm the availability of reserve thermodynamic energy and which dim in proportion to limiting when the power demands of the output stages have been exceeded, a green IOC indicator for each channel, and a green Signal indicator for each channel normally flashes at moderate intensity to show the presence of an audio signal.
Input sensitivity for rated output: 26 dB voltage gain (unbalanced).
Rated FTC output in stereo mode with less than 0.1%
THD: 780watts per channel (20 Hz to 20 kHz) into 8 ohms.
Hum and noise: at least 120 dB (A weighted) below full rated output power.
Phase response: +5 to –15 degrees from 20 Hz to 20 kHz at 1 watt.
Frequency response: 20 Hz to 20 kHz, 0.1 dB at 1 watt into 8 ohms per channel in stereo mode.
Damping factor: greater than 20,000 from 10 to 200 Hz into 8 ohms.
Intermodulation distortion (SMPTE): less than 0.005% from full bandwidth power to 78 watts rising linearly to better than 70 dB at 20 kHz.
Harmonic distortion: less than 0.02% at rated low-distortion 1 kHz power.
The power requirements are 120 VAC at 60 Hz. At idle, the amplifier draws 90 watts or less.
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CROWN STUDIO REFERENCE 1 Amp Power Amplifier
