Yamaha P-Series stereo power amplifiers:
2500S, P3500S, P5000S, P7000S

Power bandwidth (half power): 10Hz-40kHz (THD + N = 0.5%)
THD + N 20Hz-20kHz <0.1%
Frequency response: 20Hz-50kHz (+0.5dB, -1dB)
Channel separation: >70dB
Intermodulation distortion (IMD): <0.1%
S/N Ratio: >100dB
Damping Factor: (2500/3500) >200,
Voltage gain: 32.1dB
Input impedance: 30k Ohms balanced, 15k Ohms unbalanced

Inputs: XLR3F x 2, ¼" jack x 2
Outputs: 5-way screw down binding posts, Speakon NL4, ¼" jack
Physical: 19" standard rack mount 2u 480 x 99 x 456mm

Weight: 15kg (3500),
Power requirements: 230V AC, 50Hz

Features:
Soft start, signal & clip indicators, protection circuitry:
Load protection: DC detection
Amp protection: Temp >90°
Limiter: comp @ THD >0.5%
Integral variable speed fan cooling

Power Ratings: 1kHz, .05% THD
Model 8 Ohms Stereo 4 Ohms Stereo 2 Ohms Stereo * 8 Ohms Bridged 4 Ohms Bridged * Class Rack Space
P3500S 390 W x 2 590 W x 2 1000 W x 2 1180 W x 1 2000 W x 1 EEEngine 2U

* Ratings @ 1kHz, 20ms non-clip
* Not recommended for operation @ 2 Ohm stereo or 4 Ohms bridged mode.

Power Ratings: 20Hz-20kHz, 0.1% THD
Model 8 Ohms Stereo 4 Ohms Stereo 2 Ohms Stereo 8 Ohms Bridged 4 Ohms Bridged Class Rack Space
P3500S 350 W x 2 450 W x 2 900 W x 1 EEEngine 2U

The new models represent an upgrade to the already industry standard P series range and have been designed specifically to deliver a combination of high - output power and extremely efficient operation. Applications will include live sound, installation and other mid sized permanent or mobile sound reinforcement applications. The P2500S, P3500S, P5000S and P7000S deliver respective power outputs of 780, 1180, 1500 and 2000-watt power per-channel into 8-Ohm loads.

Engineered for maximum power and application flexibility the P series amps provide three output modes: normal Stereo Mode routes separate input signals to independent channels with L/R signal control: Parallel Mode routes a single input to two independent channel with L/R signal control and Bridged Mono Mode, which provides the highest power output. All models also feature switchable, sweepable filters on each input channel which can be set to "low pass" to allow the amplifier to easy function as a subwoofer amplifier, or " high pass "when low frequencies require attenuation. The range of these filters is 25Hz - 150Hz.

The combination of Yamaha’s exclusive EEEngine technology with MOSFET circuitry ensure the P series to perform with exceptional efficiency with upgraded on-board limiters providing optimum protection against hard clipping. All four models also offer integrated Yamaha Speaker Processing ( YSP) circuitry, accessible from a rear mounted switch which enhances the audio performance of Yamaha¹s market leading American series speakers.

The convenient 2-U design features front panel 31 position input attenuators and signal indicators, and each channel contains both balanced XLR and balanced input connectors with SPEAKON and 5 pole binding post output connections.

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