YAMAHA P2500S POWER AMPLIFIER Great offer on this popular amp means a saving of more than ?50 off our previous catalogue price. The "P" series power amplifiers by Yamaha not only provide the user with excellent cost per watt value, they build on that cost performance with efficient power consumption. Utilizing Yamaha`s new EEEngine technology, these amplifiers deliver outstanding sound quality with remarkable efficiency. All of this power and performance comes in a compact 2U rack-mount size that makes installation and transport easy. If you need transparent amplification with excellent reliability and superior performance, give the "P" series a closer look. P2500S 275W St 8 ohms, 390W ST 4 ohms, 780W Mono Bridge.

Specifications * Output Power o 1kHz, THD+N=1% 8 Ohms Stereo: 275W + 275W o 1kHz, THD+N=1% 4 Ohms Stereo: 390W + 390W o 1kHz, THD+N=1% 8 Ohms Bridge: 780W o 20Hz- 20kHz, THD+N=1% 8 Ohms Stereo: 250W + 250W o 20Hz-20kHz, THD+N=1% 4 Ohms Stereo: 310W + 310W o 20Hz-20kHz, THD+N=1% 8 Ohms Bridge: 620W o 1kHz, 20mS nonclip 2 Ohms Stereo: 650W + 650W o 1kHz, 20mS nonclip 4 Ohms Bridge: 1300W * Power Bandwidth (half power): 10Hz-40kHz (THD+N=0.5%) * THD+N (20Hz - 20kHz, half power): Maximum 0.1% * Intermodulation Distortion (60Hz: 7kHz, 4:1, half power: Maximum 0.1% * Frequency Response: 0dB, +0.5dB, ? 1dB f=20Hz-50kHz * Channel Separation: Minimum 70dB 1kHz * Residual noise (Att. min.): Maximum 70dB * S/N Ratio: 100 dB * Damping Factor: 200 max. * Sensitivity @8 Ohms +3dB * Voltage Gain (Att. max): 32.1dB * Input Impedance: 30kOhms balanced; 15kOhms unbalanced * Controls: o Front Panel: POWER switch (push on/push off) attenuator (31position) x 2 o Rear Panel: MODE switch (STEREO/BRIDGE/PARALLEL) FILTER switch (SUB WOOFER/LOW CUT/OFF) x 2 FREQ. CONTROL (25Hz-150Hz) x 2 YAMAHA SPEAKER PROCESSING switch (ON/OFF) * Connectors o Input: XLR-3-31 type/ch, 1/4" o Output: SPEAKON, 5-way biding post, 1/4" phone/ch * Indicators: o POWER: x 1 (Green) o PROTECTION: x 1 (Red) o TEMP: x 1 (Red) heatsink temp 85? o YS PROCESSING: x 1 (Yellow) o SIGNAL: x 2 (Green) o CLIP: x 2 (Red) * Load Protection: o POWER switch on/off mute o DC-fault power output cut * Amplifier Protection: o Thermal (heatsink temp 90?C o VI limiter * Limiter Circuit: Comp. THD 0.5% * Cooling: Dual variable-speed fan / Single variable-speed fan * Power Requirements: USA/120V 60Hz * Idle Power Consumption: 25W * 1/8 Power Consumption: 320W * Maximum Power Consumption (4 Ohms): 1600W * Dimensions (W x H x D): 18-7/8" x 3-7/16" x 17-15/16" * Weight: 26.5 lbs