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P-Series Power Amplifier: The Yamaha P-Series P2500S power amplifier
delivers solid, professional-quality power in a wide range of configurations
designed to suit a variety of applications. The unit offers three operating
modes - Stereo (250W x 2ch in 8Ω or 310W x 2ch in
4Ω), Parallel (250W x 2ch in 8Ω
or 310W x 2ch in 4Ω), and Bridge
(620W x 1ch in 8Ω).
- Stereo: In Stereo mode, Channels A and B operate independently
(as with a conventional stereo amplifier). The Channel A input goes to the
Channel A output jacks, and the Channel B input goes to the Channel B output
- Parallel: In Parallel mode, the unit outputs a mono source
through twin amplifier systems. The Channel A input signal is output through
both the Channel
A and Channel B output jacks. The Channel B input jacks do not function.
Channel A and B volumes can be independently adjusted.
- Bridge: In Bridge mode, the unit operates as a single high-power
amp. The Channel A input signal is output from the Bridge output jacks. To
adjust the volume, you must use the Channel A volume control knob.
Note: The amplifiers two output channels have independent volume controls
located on the front-panel.
Inputs/Outputs: To provide the most versatile connectivity possible,
The P2500S is equipped with Neutrik Speakon output jacks and 1/4" output jacks
for each channel, in addition to 5-way binding posts. Balanced XLR and 1/4" TRS
phone jacks are provided for channel inputs A-B.
High-Pass & Low-Pass Filters: The Yamaha P2500S is equipped with
independent high-pass and low-pass filters on each channel, so you can optimize
the output for a subwoofer or full range system. The high-pass and low-pass
filters are variable (25-150Hz).
Perfect Match for Yamaha Club Series Speakers: Yamaha's audio
engineers have specifically designed the new P-S Series power amplifiers to be
perfect companions to the popular Club Series loudspeakers. To achieve this,
they made sure that the amplifiers are capable of delivering power that matches
the power handling capabilities of the Club Series Speakers, and equipped them
with YS Processing (Yamaha Speaker Processing) to deliver a signal that will
result in optimum system performance. The P-Series power amplifier can also be
used with practically any loudspeaker PA system.
EEEngine (Energy Efficient Engine) Technology: EEEngine (Energy
Efficient Engine) Technology makes more efficient use of AC power by reducing
power consumption and heat generation without sacrificing output power or sound
quality. When power requirements are low, the system uses a highly efficient
current buffer to transparently switch input power on and off as needed. As
power requirements increase, an independently responding auxiliary power line
supplies additional power as required. Output isn't compromised because the
auxiliary power line is driven by the power supply voltage which maintains
maximum output to the speaker load.
Protection Circuitry + Cooling Fan: Comprehensive protection includes
power on/off muting, DC detection, thermal protection, current limiting, and a
protective cover for the attenuators. The Protection indicator lights up and
sound output is automatically muted whenever the unit's protective circuitry is
operating. The amplifier also features a variable cooling fan for quiet,
efficient cooling. The Temp indicator lights up if the unit is running hot.
Rack Mountable: The Yamaha P2500S power amp is rack mountable with a
2U chassis size.