Pro Audio and Lighting
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QSC 1/2 RU 4 Channel EnergyStar Power Amplifier / Stereo Operation 100 Watts

$929.00

The SPA4-100 four channel amplifier delivers 100 watts rms per channel into 4 or 8 ohms; the four channels can also be bridged in pairs, each pair providing up to 200 watts rms into 4 or 8 ohms. The SPA4-100 bridged pair channels can be switched into 70V or 100V...

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The SPA4-100 four channel amplifier delivers 100 watts rms per channel into 4 or 8 ohms; the four channels can also be bridged in pairs, each pair providing up to 200 watts rms into 4 or 8 ohms. The SPA4-100 bridged pair channels can be switched into 70V or 100V direct drive mode providing up to 350 watts rms into a 70V or 100V output; when in 70V or 100V mode the 80Hz highpass filter is automatically engaged.

Features

  • Up to 200 watts per channel into 4 and 8 ohms ? the outputs of the SPA4-100 model are designed to provide up to 100 watts per channel into Low-Z loads.
  • ENERGY STAR? qualified amplifier - The ENERGY STAR qualified SPA amplifiers employ an efficient class-D design to conserve energy and reduce operational cost.
  • Bridgeable outputs for higher power ? Bridgeable outputs for higher power - Bridging the outputs of the SPA4-100 will deliver up to 350 watts into 70V or 100V when bridged.
  • Auto-Ramp provides quiet startup and power-down ? The ENERGY STAR auto-ramp circuitry ensures quiet and fast power up from standby and seamless power-down following 25 minutes of inactivity, dramatically reducing power consumption.
  • Rack-mountable 1U, half rack width enclosure ? The SPA amplifers can be mounted in 1 RU, 1/2 rack space, and their clever joining brackets enable easy under-table and wall-mounting
  • Stereo Mode Watts Per Channel
    8Ω dynamic, both channels driven 100 W
    4Ω dynamic, both channels driven 100 W
    Bridged Mode, watts per channel
    8Ω & 4Ω 200 W

    70V & 100v

    350 W*

    Signal to Noise (A weighted, 20 Hz-20 kHz)

    >100 dB

    Input Sensitivity

    1.23 Vrms (+4 dBu)

    Maximum Voltage Gain

    25.0 dB

    Ouput Circuitry

    Class D

    Frequency Response (20 Hz - 20 kHz)

    Frequency Response (20 Hz - 20 kHz)

    Input Impedance

    >10 kΩ (balanced), >10 kΩ (unbalanced)

    Maximum Input Level

     12.3V (+24 dBu)

    Highpass Filter

    Switchable 80 Hz when Bridged in 70V & 100V

    Front Panel Indicators

    Power, per channel Signal, per channel Protect/Limit

    Controls

    4Ω/8Ω/70V Bridge Highpass On/100V Bridged Highpass On per channel pair

    Dimensions (HWD) inches

    1.7 x 8.7 x 9.5 / 1RU

    Dimensions (HWD) mm

    43 x 220 x 241 / 1RU

    Weight (Net)

    4.0 lb / 1.4 kg

    Weight (Shipping)

    6.5 lb / 2.5 kg

    Agency Approvals

    UL, CE, ENERGY STAR, RoHS/WEEE compliant, FCC Class B (Conducted and Radiated emissions), UL 2043 witd PL-Kit

    Carton Contents

    Power cable, quick start guide, connector kit, rack mount ears, mounting brackets
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