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STA-1M Audio Line Amplifier
Pro Net: $133.98
Price: $100.48
You Save: $33.50 (25 %)
Item Number: STA-1M
Manufacturer: Radio Design Labs
Manufacturer Part No: STA-1M
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SingleChannel Audio Line Amplifier
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Balanced or Unbalanced Inputs and Outputs
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Bridge a Line to Avoid Loading
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High to Low Impedance Conversion
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Low to High Impedance Conversion
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Instrumentation Input to Isolate Ground Loops
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Precisely Match Audio Levels
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RDL® SupplyFlex Power Input Configuration
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The STA1M 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.
RDLs SupplyFlex power input configuration is included in the STA1M. The power supply input may be fed from a floating (not groundreferenced) 24 Vdc power source, from a bipolar power supply (+/ 12 Vdc or +/15 Vdc) or from a groundreferenced 24 Vdc power supply.
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Typical Performance:
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Input:
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10 k balanced or unbalanced bridge
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Outputs (2):
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150 balanced to drive low or highZ; 75 unbalanced
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Output Signal:
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+4 dBu (nominal, adjustable)
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Frequency Response:
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10 Hz to 20 kHz (+/0.25 dB)
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THD+N:
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< 0.05%
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Headroom above +4 dBu:
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> 18 dB
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CMRR:
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> 50 dB at full gain (100 Hz)
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Gain:
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Adjustable per chart below
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Input/Output
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Min Gain/Max Gain
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Unbal. Balanced
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7 dB +14 dB
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Bal. Balanced
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7 dB +14 dB
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Bal. Unbalanced
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14 dB +7 dB
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Unbal. Unbalanced
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14 dB +7 dB
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Power Requirement:
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GROUNDREFERENCED or FLOATING, 24 to 33 Vdc @ 50 mA
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Have a Question?
Expert advice is only an email or phone call away. Email advice@globalav.com or call 1-800-595-4436 to speak with one of our knowledgeable system integrators regarding this product.
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