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RDL ST-VCA3 Voltage Controlled Amplifier

SKU: RDSTVCA3 MFR: ST-VCA3
$173.08
$230.77
Save: $57.69 (25%)
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Key Features

  • Achieve precise audio control with this voltage controlled amplifier for studio use.
  • Enjoy superior sound quality with low THD+N, perfect for professional audio setups.
  • Easily integrate this amplifier with 0-10 Vdc control for seamless attenuation.
  • Experience reliable performance with a wide frequency response from 10 Hz to 20 kHz.
  • Optimize your sound system with a broad 90 dB attenuation range for dynamic control.
  • This compact amplifier ensures ease of use and fits seamlessly into any installation.
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Special Order?Estimated to Ship: 10/08/2025
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RDL ST-VCA3 Specifications

  • Inputs

    Mic: 200 Ohms balanced; 5 kOhms unbalanced
    Line: 30 kOhms bal. bridging or unbalanced

  • Input Levels (for +4 dBu output)

    Mic: -44 dBu to -60 dBu (150 Ohms source)
    Line: -18 dBu (-20 dBV) to +4 dBu

  • Output Signal (normal rated)

    +4 dBu, 150 Ohms balanced

  • Headroom

    18 dB

  • THD+N

    Mic: < 0.05%; Line: <0.025% (unity gain)
    0.025% typical at 15 dB attenuation

  • Frequency Response

    Mic: 30 Hz to 20 kHz (+/-1 dB)
    Line: 10 Hz to 20 kHz (+/-0.1 dB)

  • Noise

    Mic: < -71 dB below +4 dBu output (150 Ohms source; 50 dB gain)
    Line: <-78 dB below +4 dBu output (maximum gain)

  • CMRR

    Mic: > 60 dB; Line: > 60 dB, (50 Hz to 120 Hz)

  • Control Input

    0 to 10 Vdc or 0 to 10 kOhms Linear

  • Attenuation Range

    0 to 90 dB (>90 dB at 0 Vdc control)

  • Ambient Operating Environment

    0 to 55 deg. C (32 to 131 deg. F)

  • Power Requirement

    GROUND-REFERENCED, 24 Vdc at 50 mA

  • Dimensions (HxWxD)

    0.7 x 3 x 1.6" (1.78 x 7.62 x 4.06cm)

  • UPC Code

    813721012340