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Lectrosonics PA8 8-Channel Power Amplifier

 
  • Dale #:

    LECT-PA8
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Description

The PA8 8 Channel Power Amplifier is a unique single rack-space solution for zoned, distributed loudspeaker systems with eight separate power amplfiers, each with an output power capability of 10W (4 Ohms) or 6W (8 Ohms.) The PA8 is passively cooled, and features full shortcircuit and thermal ove... Read More

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Description

The PA8 8 Channel Power Amplifier is a unique single rack-space solution for zoned, distributed loudspeaker systems with eight separate power amplfiers, each with an output power capability of 10W (4 Ohms) or 6W (8 Ohms.)

The PA8 is passively cooled, and features full shortcircuit and thermal overload protection. The amplifier outputs are muted at turn-on and turn-off to eliminate transients.

The PA8 8 Channel Power Amplifier is a unique single rack-space solution for zoned, distributed loudspeaker systems with eight separate power amplfiers, each with an output power capability of 10W (4 Ohms) or 6W (8 Ohms.)

The PA8 is passively cooled, and features full shortcircuit and thermal overload protection. The amplifier outputs are muted at turn-on and turn-off to eliminate transients.

The PA8 uses a straightforward, low parts count design for long term reliability. The heart of the power supply is a low radiation toroidal transformer. The toroidal transformer generates less heat than a comparable non-toroidal type, and emits considerably less 60Hz energy. This is particularly important when the PA8 is used in close proximity to microphone preamplifiers. The input to the PA8 is fully balanced and RF filtered. The level control feeds a monolithic power amplifier. Each power amplifier is internally power limited to protect itself from short circuits, excessively low impedances, or highly reactive loads. Thermal limiting is also integrated into the power amplifier, with an intelligent shutdown mode that minimizes thermal shock to the device under extreme operation. Any two channels may be used in the bridged mode for higher power (20W/8 Ohms or 12W/16 Ohms).

  • 8 separate amplifier channels
  • 10 Watts per channel into 4 Ohms in non-bridged mode, 20 Watts per channel bridged into 8 Ohms
  • Passively cooled
  • Full short circuit and thermal overload protection
  • No turn-on thump

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Product Specs

Line Input
TypeElectronically balanced and RF filtered
Impedance20k Ohms, Balanced or Unbalanced
Rated Output10 Watts RMS per channel at 4 Ohms
6 Watts RMS per channel at 8 Ohms
20 Watts RMS bridged at 8 Ohms
Input Level for Rated Output-2dBu (615mVRMS) at maximum level
+15dBu (4.36VRMS) at mid level
Maximum System Gain
Line Input to Speaker Out20dB
Signal-to-Noise Ratio:88dB relative to 10W at 4 Ohms
System THDLess than 0.1%, 20Hz to 20kHz (10W into 4 Ohms)
System IMDLess than 0.1%, 60Hz/7kHz (10W into 4 Ohms)
Slew Rate12V/uS
Power Consumption200 Watts max at 120VAC Euro Version 200 Watts max at 230VAC
Weight8 lbs, 9 ozs
Dimensions19Ó wide x 1 3/4Ó high x 8 1/4Ó deep

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