Black Lion Audio B173 Quad Mic Preamp
Black Lion Audio B173 Quad Mic Preamp, 4-Channel Microphone Preamplifier, Classic 1073 preamp design with 70 dB gain, Discrete Class A circuit, Input and output transformers from Cinemag, Channels 1 and 2 with additional DI input, Switchable 48 V phantom power per channel, Max. Input level Mic In: +1 dBu / DI In: +18 dBu, Frequency range: 10 - 30000 Hz, Gain Mic In: 12 to 70 dB adjustable in steps, Switchable phase inversion, THD + N Mic In: 0.02% (+45 dB Gain, +4 dBu Output) / DI In: 0.03% (+25 db Gain, +4 dBu Output), EIN (Equivalent Input Noise) Mic In: -105 dBu / DI In: -100 dBu, Input impedance Mic In: 200 Ohm / DI In: 1.1 MOhm (unbalanced), Max. Output level: +28 dBu, Output impedance: 600 ohms, 4 Balanced XLR inputs, 2 Unbalanced 6.3 mm jack inputs, 4 Balanced XLR and jack outputs, External power supply, Height: 2 U, Width: 19"", Depth: 178 mm, Weight: 3.7 kg
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