RDL FP-PA20B Power Amplifier - 20 W 25 V Outputs

 

Please Note: requires PS-24AS Power Supply (sold separately)

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Dale #:RDL-FPPA20B

Availability: Usually ships in 5 - 10 Days

This item usually ships within 5-10 days after your order is placed. Your payment will be charged after completing checkout.
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  • The FP-PA20B features a balanced line level input that may be connected unbalanced. A front panel gain control is designed to be adjusted either manually or with a trimming screwdriver. The gain range will accommodate standard unbalanced levels as well as professional balanced levels. A 25 V amplified output is provided to drive corresponding speakers in a distributed sound system. Audio levels that could cause the amplified output to clip are compressed using two dynamic time constants designed to preserve aural transparency. Normal audio level signals remain unaffected by the compressor thereby preserving audio dynamics and preventing the compressor from increasing feedback potential when the amplifier is used for paging. The FP-PA20B produces average audio levels and audio clarity normally expected of amplifiers delivering much higher output power.

      Features:
    • 20 Watts RMS Constant Voltage Amplifier
    • 25 V Output
    • Integral Audio Compressor to Control Clipping
    • High Overall Operating Audio Level
    • Maximized Audio Level for Output Power
    • Audio Quality Superior to Standard Amplifiers
  • Input: Line level (+4 dBu bal -10 dBV unbal)
    Input Impedance: 20 k balanced bridging 10 k unbal
    Input / Output Connector: Plug-in terminal block
    Gain Adjustment: Single turn audio taper
    Minimum Input Levels:
    Balanced: -26 dBu (to cross compressor threshold)
    Unbalanced:-28 dBV (to cross compressor threshold)
    Maximum Input Levels:
    Balanced:+23 dBu
    Unbalanced: +15 dBV
    Frequency Response:50 Hz to 18 kHz (+/- 3 dB)*
    THD+N:
    *measured at compressor threshold level equaling 4 W RMS output power.
    < 0.1% (@ 1 kHz)*
    < 0.5% (50 Hz to 20 kHz)*
    Noise:< -80 dB (below 20 W RMS)
    Compressor:Threshold 6 dB below rated output, automatic adjusting attack and release
    CMRR:> 55 dB (50 Hz to 120 Hz)
    Output Power:20 W RMS @ 25 V
    Ambient Operating Environment:0° C to 30° C Max 20° C Recommended
    Indicators (2):
    Red LED:PEAK LED indicates compressor activity
    Green LED:Power ON
    Power Requirement:24 Vdc @ 2000 mA, Ground referenced(for continuous RMS power output)
    24 to 33 Vdc @ 1000 mA, Ground referenced (for normal uncompressed audio)
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