
Description
The STA-1 is a dual-channel line-level preamplifier with bridging inputs, adjustable gain or loss, and low-impedance outputs. Each of the two identical circuits is both an electronic line transformer and a line amplifier. Hook up the STA-1 just like a pair of audio transformers with gain. True dc amplifiers produce unsurpassed audio clarity, high common-mode rejection, ultra-low distortion and low noise. The STA-1 is perfect for most line amplification, impedance or balanced/unbalanced conversion.
The STA-1 operates from floating or bipolar dc power. For installations where ground-referenced power is preferred, use the STA-2A Dual High Gain Line Amplifiers.-
Features:
- Up to 20 dB Gain in an Audio Line
- Conversion from Balanced to Unbalanced
- Conversion from Unbalanced to Balanced
- Conversion from High to Low Impedance
- Conversion from Low to High Impedance
- Bridge an Audio Line Feed
- Precisely Match Audio Levels
Amps per STA-1: | 2 identical circuits (stereo or dual mono operation) |
Gain: | 20 dB (adjustable, separate controls for each channel) |
Input Impedance: | 10 k bridging |
Input Configuration: | Balanced or unbalanced |
Output Impedance: | 200 balanced (drives 600 or 10 k lines) |
Output Configuration: | Balanced or unbalanced |
Frequency Response: | dc to 25 kHz (+/- 0.25 dB) |
THD+N: | 0.003% to 0.009% (0.005% nominal) |
Output Level: | +4 dBu |
Headroom: | 18 dB (at rated output of +4 dBu) |
Noise: | -80 to -85 dB (referred to +4 dBu) -98 to -103 dB (referred to +22 dBu) |
CMRR: | -70 dB to -80 dB (100 Hz) |
Crosstalk: | Better than 75 dB |
Power Requirement: | FLOATING, 24 to 33 Vdc @ 50 mA |
Ambient Operating Environment: | 0 degrees C to 55 degrees C |
The STA-1 is a dual-channel line-level preamplifier with bridging inputs, adjustable gain or loss, and low-impedance outputs. Each of the two identical circuits is both an electronic line transformer and a line amplifier. Hook up the STA-1 just like a pair of audio transformers with gain. True dc amplifiers produce unsurpassed audio clarity, high common-mode rejection, ultra-low distortion and low noise. The STA-1 is perfect for most line amplification, impedance or balanced/unbalanced conversion.
The STA-1 operates from floating or bipolar dc power. For installations where ground-referenced power is preferred, use the STA-2A Dual High Gain Line Amplifiers.-
Features:
- Up to 20 dB Gain in an Audio Line
- Conversion from Balanced to Unbalanced
- Conversion from Unbalanced to Balanced
- Conversion from High to Low Impedance
- Conversion from Low to High Impedance
- Bridge an Audio Line Feed
- Precisely Match Audio Levels
Amps per STA-1: | 2 identical circuits (stereo or dual mono operation) |
Gain: | 20 dB (adjustable, separate controls for each channel) |
Input Impedance: | 10 k bridging |
Input Configuration: | Balanced or unbalanced |
Output Impedance: | 200 balanced (drives 600 or 10 k lines) |
Output Configuration: | Balanced or unbalanced |
Frequency Response: | dc to 25 kHz (+/- 0.25 dB) |
THD+N: | 0.003% to 0.009% (0.005% nominal) |
Output Level: | +4 dBu |
Headroom: | 18 dB (at rated output of +4 dBu) |
Noise: | -80 to -85 dB (referred to +4 dBu) -98 to -103 dB (referred to +22 dBu) |
CMRR: | -70 dB to -80 dB (100 Hz) |
Crosstalk: | Better than 75 dB |
Power Requirement: | FLOATING, 24 to 33 Vdc @ 50 mA |
Ambient Operating Environment: | 0 degrees C to 55 degrees C |
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