Amplifier Owner’s Manual
Phoenix Gold • www.phoenixgold.com
SPECIFICATIONS
RX250.1 SPECIFICATIONS
Frequency Response:
± 1dB from 20Hz to 300Hz
Signal to Noise Ratio:
>100dB
Low Pass Crossover:
12dB per Octave
Subsonic Filter:
12dB per Octave
Low Pass Crossover Range:
30Hz to 300Hz
Subsonic Crossover Range:
10Hz to 55Hz
Bass Boost @ 45Hz:
0 to +18dB
Low Level Input Range:
200 millivolts to 8 volts
Lowest Recommend Load:
2 ohms
Typical Efficiency:
50%
Damping Factor:
Greater than 200
Variable Phase Adjustment:
0 to 180 Degrees
RMS Power Output
150w x 1 @ 4 ohms
250w x 1 @ 2 ohms
Power/Ground Wire Size:
8 Gauge
Recommend Power Wire Fuse:
30a
Dimensions (Includes Feet):
9.4” L x 8.4” W x 2.1” H
238mm L x 213mm W x 53mm H
RX500.1 SPECIFICATIONS
Frequency Response:
± 1dB from 20Hz to 300Hz
Signal to Noise Ratio:
>100dB
Low Pass Crossover:
12dB per Octave
Subsonic Filter:
12dB per Octave
Low Pass Crossover Range:
30Hz to 300Hz
Subsonic Crossover Range:
10Hz to 55Hz
Bass Boost @ 45Hz:
0 to +18dB
Low Level Input Range:
200 millivolts to 8 volts
Lowest Recommend Load:
2 ohms
Typical Efficiency:
50%
Damping Factor:
Greater than 200
Variable Phase Adjustment:
0 to 180 Degrees
RMS Power Output
300w x 1 @ 4 ohms
500w x 1 @ 2 ohms
Power/Ground Wire Size:
4 Gauge
Recommend Power Wire Fuse:
60a
Dimensions (Includes Feet):
14.5” L x 8.4” W x 2.1” H
368mm L x 213mm W x 53mm H
RX1100.1 SPECIFICATIONS
Frequency Response:
± 1dB from 20Hz to 300Hz
Signal to Noise Ratio:
>90dB
Low Pass Crossover:
12dB per Octave
Subsonic Filter:
12dB per Octave
Low Pass Crossover Range:
30Hz to 300Hz
Subsonic Crossover Range:
10Hz to 55Hz
Bass Boost @ 45Hz:
0 to +18dB
Low Level Input Range:
200 millivolts to 8 volts
Lowest Recommend Load:
1 ohm
Typical Efficiency:
80%
Damping Factor:
Greater than 200
Variable Phase Adjustment:
0 to 180 Degrees
RMS Power Output
800w x 1 @ 2 ohms
1100w x 1 @ 1 ohm
Power/Ground Wire Size:
4 Gauge
Recommend Power Wire Fuse:
100a
Dimensions (Includes Feet):
11.75” L x 8.4” W x 2.1” H
298mm L x 213mm W x 53mm H
IMPORTANT: A power birth certificate is included for each amplifier. RX amplifiers
are conservatively rated and will exceed their RMS power rating shown here. All
RMS power ratings and measurements are at 14.4 volts with no more than 1% THD.