TOA stereo power amplifier
480 watts minimum sine wave continuous average power output per channel with both channel driving 4-ohm loads over a power band from 20Hz to 20kHz. The maximum Total Harmonic Distortion (THD) at any power level from 250 milliwatts to 480 watts shall be no more than 0.15%.
320 watts continuous average sine wave power into 8 ohms with less than 0.1% THD, at I kHz, both channels (1 driven).
Frequency Response: +0dB, -0.5dB, 20Hz to 20kHz
Total Harmonic Distortion: Less than 0.01% at 300 watts, 8-ohm, 1kHz Less than 0.1% at 300 watts, 8-ohm, 20Hz to 20kHz
Intermodulation Distortion: 0.05% using frequencies of 60Hz and 7kHz, mixed in a ratio of 4:1, at power output of 100 watts into 8-ohm
Input Sensitivity: An input of +4dB (1.23V), ±0.5dB, produces an output of 300 watts into 8-ohm. INPUT ATTENUTOR set for maximum level
Input Impedance: 10k-ohm (unbalanced)
Greater than 260 at any frequency from 20Hz to 1kHz Greater than 95 at any frequency from 20Hz to 20kHz
Hum and Noise: 109dB below rated output (20Hz - 20kHz), 114dB below rated output (Il-IF-A weighted)
Rise Time: 10 microseconds, or better (10% -90% of I volt at 1kHz square wave output)
Slew Rate: 10 volts per microsecond, or better (at 100 watts into 8- ohm, 200kHz square wave input)
At least 90dB at 1kHz
Phase Shift: 20Hz to 20kHz, ±15 degrees
Offset Voltage: Less than ±10mV DC
Input Connectors (per channel): One "male' and one 'female" XLR connector in parallel, 2 (:01(1, pin 3 "hot", and pin 1 "shield". XLR's are unbalanced and in parallel with two tip-sleeve (standard) phone jack.
Accessory Socket: 8-pin octal socket accepts an optional matching trans former module for balanced input, or user options (pins include ±VCC, signal input/output and circuit ground)
Output Connectors (per channel):
Standard 3/4-inch spacing, "5-way" binding posts, Ground Terminal Strip, 2 lug terminal block with removal shorting strap Indicators
Input Attenuators 22-position, log-linear', detented and dB-calibrated input attenuators (one per channel) attenuates input signal in 2dB steps from 0dB attenuation to -34dB, then steps of
Overall Protection: AC line is protected by circuit breaker. Protection LED's flashes when heat sink temperature reaches more than 105°C. Protection l,l'D's turn on when the protection relay activates in such cases that DC currant is fed to output, and that short-circuit occurs.
Turn On/Turn Off: No turn off transient, Three second delay turn On with minimum thumps and no ulilgerous transients
AC Line Voltage:
AC mains. 50hz 60Hz
Dimensions (WXHXD): 483 x 222 x 475 (mm) 19 x 8-3/4 x 18-3/4 (inches)
Weight: 35kg (77 Ibs)
|TOA's P300 power amplifier is a rugged sound reinforcement amp
designed to meet the high demands of live sound installations. The P300 offers sophisticated protection circuitry,
silent running (no fans), stability running long cables and excellent MOS-FET sound quality.
MONAURAL MODE SPECIFICATIONS:
960 watts minimum sine wave continuous average power output monaural driving 8-ohm loads over a power band from 20Hz to 20kHz. The maximum Total Harmonic Distortion (THD) at any power level from 250 milliwatts to 960 watts shall be no more than 0.15%.
1100 watts continuous average sine wave power into 8- ohm with less than 0.1% THD at 1kHz
Frequency Response: +0(IB, -0.5dB, 20Hz to 20kHz
Total Harmonic Distortion: Less than 0.005% at 960 watts into 8-ohm at 1kHz
Intermodulation Distortion: 0.05% using frequencies of 60Hz and 7kHz, mixed in a ratio of 4:1, at power output of 200 watts into 8-ohm
Damping Factor (at 16-ohm): Greater than 160 at any frequency from 20Hz to 1kHz Greater than 50 at any frequency from 20Hz to 20kHz
Impedance Actual Output: Less than 0.1-ohm at any frequency from 20Hz to 1kHz Less than 0.3-ohm at any frequency from 20Hz to 20kHz
Hum and Noise: 109dB below rated output (20Hz to 20kHz) 114dB below rated output (lHG weighted) Note: 0dB is referenced to 0.775 volts RMS.
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