Power Output
150 waits minimum sine wave continuous average power
output per channel with both channel 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 150 watts shall be no more than 0.1%.
220 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 220 watts shall be no more than 0.15%.
160 watts continuous average sine wave power into 8
ohms with less than 0.1% THD, at 1 kHz, both channels
driven.
Frequency Response
+0dB, –0.5dB, 20Hz to 20kHz
Total Harmonic Distortion
Less than 0.001% at 150 watts, 8-ohm, 1kHz
Less than 0.1% at 150 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 50 watts into 8-ohm
Input Sensitivity
An input of +4dB (1.23V), ±0.5dB, produces an output of
150 watts into 8-ohm, INPUT ATTENUTOR set for
maximum level
Input Impedance
10k-ohm (unbalanced)
Damping Factor
Greater than 150 at any frequency from 20Hz to 1kHz
Greater than 70 at any frequency from 20Hz to 20kHz
Impedance Actual Output
Less than 0.06 ohms at any frequency from 20Hz to 1kHz
Less than 0.12 ohms at any frequency from 20Hz to 20kHz
Hum and Noise
110dB below rated output (20Hz — 20kHz) 115dB below
rated output (IHF-A weighted)
Rise Time
10 microseconds, or better (10% -90% of 1 volt at 1kHz
square wave output)
Slew Rate
10 volts per microsecond, or better (at 50 watts into 8-ohm,
200kHz square wave input)
Channel Separation
At least 95dB at 1kHz
At least 75dB at 20kHz
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 paralle, 2
"cold", 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)
Barrier Strip Terminal
Ground Terminal Strip
2 lug terminal block with removal shorting strap
Indicators
A pair of green LED's for signal presence
A pair of red LED's for output clipping
A pair of red LED's for circuit protection and thermal
warning
A green LED for power ON
Controls
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 -37dB, -42dB, -50dB, infinity.
Circuit Breaker AC Switch
High Pass Filter Switches (IN/OUT)
-12dB per octave at 15Hz
Accessory Switches (IN/OUT)
Bypass for octal socket
Mode Switch
Switchable for stereo/mono mode operation
Overall Protection
AC line is protected by circuit breaker.
Protection LED's flashes when heat sink temperature
reaches more than 105°C.
Protection LED's turn on when the protection relay
activates in such cases that DC currant is fed to output,
and that short-circuit occures.
Turn On/Turn Off
No turn off transient. Three second delay turn On with
minimum thumps and no dagerous transients
AC Line Voltage
AC mains. 50Hz/60Hz Dimensions (W×H×D)
Power Consumption 483 × 133 × 475 (mm)
800 watts maximum 19 × 5-1/4 × 18-3/4 (inches)
Finish Weight
Black painting 20kg (44 lbs)
MONAURAL MODE SPECIFICATIONS
(P-150D)
Power Output
300 watts minimum sine wave continuous average power
output monaural driving 16-ohm loads over a power band
from 20Hz to 20kHz. The maximum Total Harmonic
Distortion (THD) at any power level from 250 milliwatts
to 300 watts shall be no more than 0.1%.
440 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 440 watts shall be no more than 0.15%.
500 watts continuous average sine wave power into 8-ohm
with less than 0.1% THD at 1kHz
Frequency Response
+0dB, –0.5dB, 20Hz to 20kHz
Total Harmonic Distortion
Less than 0.01% at 440 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 100 watts into 8-ohm
Damping Factor (at 16-ohm)
Greater than 100 at any frequency from 20Hz to 1kHz
Greater than 70 at any frequency from 20Hz to 20kHz
Impedance Actual Output
Less than 0.16-ohm at any frequency from 20Hz to 1kHz
Less than 0.2-ohm at any frequency from 20Hz to 20kHz
Hum and Noise
110dB below rated output (20Hz to 20kHz)
115dB below rated output (IHG-A weighted)
Note: 0dB is referenced to 0.775 volts RMS.
- 5 -
Specifications (P-150D)
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