Radio Design Labs STA-1M

RDL

BSW PART:: STA1M

Audio Line Amp

More Matching Amplifiers More RDL

$159.62 $212.83

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The STA-1M allows bridging any audio line, adjusting the gain, and driving a balanced or unbalanced line. The circuit design allows the input to accept either balanced or unbalanced signals, of either high or low impedance. This is an instrumentation type input stage which will amplify the differential input, regardless of ground reference. The output is capable of driving either high or low impedance loads, and the output may be connected either balanced or unbalanced.

RDL's SupplyFlex power input configuration is included in the STA-1M. The power supply input may be fed from a floating (not ground-referenced) 24 Vdc power source, from a bipolar power supply (+/ 12 Vdc or +/-15 Vdc) or from a ground-referenced 24 Vdc power supply.

$159.62 $212.83

You save $53.21

Out of stock

Main Features:
Single-Channel Audio Line Amplifier
Balanced or Unbalanced Inputs and Outputs
Bridge a Line to Avoid Loading
High to Low Impedance Conversion
Low to High Impedance Conversion
Instrumentation Input to Isolate Ground Loops
Precisely Match Audio Levels
RDL SupplyFlex Power Input Configuration
Specifications:
Input: 10 kΩ balanced or unbalanced bridge
Outputs (2): 150 Ω balanced to drive low or high-Z; 75 Ω unbalanced
Output Signal: +4 dBu (nominal, adjustable)
Frequency Response:10 Hz to 20 kHz (+/-0.25 dB)
THD+N: < 0.05%
Headroom above +4 dBu: > 18 dB
CMRR: > 50 dB at full gain (100 Hz)
Gain: Adjustable per chart below
Input/Output Min Gain/Max Gain • Unbal. Balanced -7 dB +14 dB
Bal. Balanced -7 dB +14 dB • Bal. Unbalanced -14 dB +7 dB
Unbal. Unbalanced -14 dB +7 dB
Power Requirement: GROUND-REFERENCED or FLOATING, 24 Vdc @ 50 mA
Ambient Operating Environment:0° C to 55° C

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Radio Design Labs STA-1M

RDL

Audio Line Amp

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