Stereo Headphone Amplifier - STICK-ON Series

  • Stereophonic Headphone Amplifier
  • Provision for External Stereo Level Control
  • Balanced or Unbalanced Input
  • Bridge a Line and Feed Headsets
  • Amplifier To Drive High or Low Impedance Headsets
  • Recommended Power Supply ( Not Included )
    PS-24AS (USA)PS-24AX (International)


    The ST-SH2 is used in applications requiring headphones of any impedance to be driven from consumer or professional audio sources. For fixed level installations not requiring user volume control, the ST-SH2 is wired to the audio source and to a headphone jack. Frequently, it is desirable to mount a volume knob by the headphone jack. The LEVEL ADJUST terminals (L) and (R) may be wired to the respective wipers of a stereo 10 kΩ potentiometer to provide volume adjustment. It is recommended that the ST-SH2 be located less than 39 in. (1 m) from the jack and volume control.

    The exceptional low noise (better than 100 dB below operating level), low distortion, audio clarity and excellent crosstalk performance makes this module ideally suited to a wide variety of demanding audio applications. Use this module in conjunction with other RDL® modules as part of a high quality, flexible audio/ video system.


    Inputs (2):10 kΩ balanced or unbalanced, bridging
    Input Signal:-20 dBu (-22 dBV) to +6 dBu (for normal output level: +4 dBu, 100 Ω)
    -10 dBu to +16 dBu (for 250 mW, 8 Ω output)
    Output Load Impedance:8 Ω to 5 kΩ (drives low or high impedance headphones)
    Output Signal (normal rated):+4 dBu into 100 Ω
    Output Signal (maximum):250 mW into 8 Ω, 20 Vp-p into 2 kΩ
    THD+N:< 0.005% (0.0015% typical @ 1 kHz)
    Frequency Response:20 Hz to 40 kHz (± 0.25 dB)
    Noise:< -100 dB below normal operating level
    Dynamic Range:> 115 dB
    Gain:Adjustable from -2 to 24 dB
    CMRR:> 50 dB at 100 Hz
    Crosstalk:< -65 dB (10 Hz to 20 kHz);
    < -80 dB @ 1 kHz
    Ambient Operating Environment:0° C to 55° C
    Power Requirement:GROUND-REFERENCED, 24 Vdc @ 200 mA
    Package Type:Cardboard Box
    WEEE weight:0.15 lbs.
    Shipping Weight:0.205 lbs.
    Tariff code:8543.70.9860
    Package Dimensions:2 x 2 x 4 in.

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    Panel Diagram - FrontMetricDXF
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    Declaration of Conformity


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