PX-612
Multi-Room Amplifier

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The Audioaccess PX-612 multi-room amplifier has been designed to meet the specialized requirements of a total home/multi-room environment. Unlike conventional audio amplifier designs, multi-room amplifiers must reject interference from power circuits, lighting, RF, and even other audio/video system components. The PX-612 6-zone/12-channel, bridgeable amplifier readily meets these challenges while delivering a level of audio performance that rivals far more esoteric amplifier designs. To ensure reliability, each of the twelve identical audio channels is manufactured using discrete transistor driver and output stages. PX-612 flexibility is further enhanced by a built-in pass through and its channel bridging capabilities. The PX-612 has been thermally and mechanically engineered to allow simultaneous operation of all twelve channels into four-ohm loads without compromising sonic performance.

The PX-612 is silent in operation. Crosstalk between channels is reduced to completely inaudible levels. The sophistication of the PX-612 power supply and muting circuit assures freedom from audible ticks and pops. Signal sensing relays on the speaker outputs mute the signal when a zone is not in use. A power line spike or a refrigerator turning on at 3am won't create a sleep-disturbing "pop" throughout an entire installation!

PX-612 turn-on and off is automatic. Built-in signal sensing provides unattended, transparent system operation. The PX-612 is housed in a compact 4" high chassis which matches the Audioaccess PX-600 Multi-Room Preamp/Controller. Each PX-612 is supplied with a speaker harness and an external termination board which allows hookup of the speakers at the pre-wire stage of installation. RCA-type audio input jacks accept signals from the matching PX-600 or any other high-quality audio source.

PX-612 features, performance, and reliability make it the perfect amplifier choice for a wide range of home theater and multi-room applications.

FEATURES:

  • Six Stereo Zone, Twelve Channels (Six Channels Bridged Via Switches)

  • Pass Through Inputs for Daisy-Chaining Additional Channels/PX-612s

  • Hybrid Design with Rugged, Discrete Driver and Output Stages

  • Reliable Operation with Over-Current, Short-Circuit, Thermal, and DC Protection Automatic Resetting

  • Quiet, Convection Cooling (When properly installed according to factory recommendations)

  • 24-Conductor Wiring Harness Connections Output to Speaker Termination Board (Allows for Early Construction Speaker Pre-Wire)

  • RF Filtering on Audio Inputs

  • AC Mains Input is fused and EMI Filtered

  • Dual-Color LED Status Indicator on Front Panel Illuminates GREEN for Normal Operation and RED for DC and/or Thermal Protection

  • AC Mains Switch on Back Panel

Specifications

Number of channels:

Twelve Unbridged (Six Stereo Pairs); Six Bridged

Power Output (Unbridged):

  • 50 Watts @ 8 Ohms,
  • 65 Watts @ 5 Ohms,

From 20Hz-20kHz, Two Channels Driven

Power Output (Unbridged):

  • 30 Watts @ 8 Ohms,
  • 40 Watts @ 4 Ohms,

From 20Hz-20kHz, All Channels Driven

Power Output (Bridged):

130 Watts @ 8 Ohms, 20Hz-20kHz, Two Channels Driven

Power Output (Bridged):

80 Watts @ 8 Ohms, 20Hz-20kHz, All Channels Driven

THD & Noise:

0.2% or Less, at Rated Power, 20Hz-20kHz

Frequency Response:

20Hz-20kHz, +0/-0.5dB, at Rated Power

Signal / Noise:

100dB (ref: Rated Power), Measured with Amplifier Operating Unbridged into 8 Ohm Loads

Muting:

Turn-On, Turn Off and Signal Sensing (Each Stereo Pair Output Mutes with No Input Signal)

Slew Rate:

35 Volts / Microsecond

Damping Factor:

class="corpo">Over 200

Input Impedance:

10k Ohms

Input Sensitivity:

1 Volt for Rated Output

Dimensions:

17 3/8" W x 4" H x 15" D (442mm x 102mm x 381mm) Includes Connectors and Feet

Weight:

26 lbs. (12 kg)


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