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Dual Preamp


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The Dual Preamp is used to bring external line signals up to suitable modular levels.

Each input is electronically balanced - input impedance 20k. The input passes through a variable gain amplifier offering up to 20dB clean gain.

A bi-colour LED for each output shows Green when signal is present and pulses Red if the signal goes above +5V amplitude - to achieve optimal +/-5V output amplitude, turn the Gain control up until the RED indicator only occasionally lights.

A rear jumper can be set to limit each output to maximum +/-5V with zener saturation/limiting and by driving the Gain harder you can achieve smooth saturation.

Size: 1FW
Current: +ve 30mA, -ve 30mA

Added on Wednesday 02 October, 2019.