YAMAHA P4500

Specifications

Power Output Level f=20Hz-20kHz, THD+N=0.05% STEREO RL=8 ohm 460 WPC and BRIDGE RL=1220W; f=1kHz, THD+N=0.05% STEREO RL=8 ohm 520WPC and BRIDGE RL=1440W; f=1kHz, 20ms, nonclip STEREO RL=2 ohm 1300WPC
Power Bandwidth Half power, 10Hz-40kHz (THD+N=0.1%)
THD + N F=20Hz-20kHz, Half Power; 4-8 ohm STEREO and 8 ohm BRIDGE = 0.05%
Frequency Response 10Hz-50kHz, +0, -1dB
Intermoduration Distortion 60Hz:7kHz, 4:1, Half Power; 4-8 ohm STEREO and 8 ohm BRIDGE = 0.05%
Channel Separation Half power RL=8 ohm, ATT. max input 600 ohm shunt; > or = 65dB, 20 Hz-20kHz, > or = 75 dB, 1kHz
Residual Noise ATT. Min 12.7Hz LPF, IHFA network; < or = 75dB
S/N Ratio 105dB
Damping Factor > or = 200, RL=8 ohm, f=1kHz
Slew Rate 8ohm Full Swing STEREO: +/- 30V/mm sec; BRIDGE: +/- 50V/mm sec
Sensitivity (ATT. Max.) +5.7dB
Voltage Gain (ATT. Max.) 32.1dB
Input Impedance 30k ohm (Balance), 15k ohm (Unbalance)
Controls Front Panel: POWER switch (Push on/Push off) Attenuator (31 position dB calibrated); Rear Panel: MODE switch (STEREO, BRIDGE/PARALLEL)
Connectors Input: Barrier strip terminal, XLR-3-31 type, 1/4 phone (balance); Output: 5 way binding post
Indicators POWER, TEMP (HEATSINK TEMP > or = 85 DEGREES C), PROTECTION, CLIP X 2, SIGNAL X 2
Protection Circuits POWER switch on/off mute, DC detection, TEMP (heatsink temp > or = 95 degrees C)
PC Limiter RL = Greater than or equal to 1 ohm
Fan Circuit Low speed (50 degrees C), variable, high speed (70 degrees C)
Power Requirements 120V, 60Hz
Power Consumption 500W/650VA
Dimensions (W x H x D) 480 x 103.5 x 455 mm (18 7/8" x 4 1/16" x 17 15/16")
Weight 16 kg (35.3 lbs.)