LA Audio Electronic - UB282

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Contents

UB282 Microphone Preamplifier Section A is a transformer balanced low noise microphone preamplfier with front panel gain trim Section B is a transformer balanced line output amplifier with front panel level trim CONNECTIONS AND CONTROLS UB282 O MIC o Mic Out Mic Out Line In Line In Pin 2 Hot Pin 3 Hot On Off BLOCK DIAGRAM Section A Mic preamplifier Please note that each section is independant SPECIFICATIONS MICROPHONE SECTION Frequency Response 0 1dB 20Hz to 20kHz EIN 126dBu 200R load THD lt 0 1 min gain Gain range lt 0 05 max gain 22dB to 62dB Input impedance 1 k balanced for 150 200R mics CMRR 100dB 100Hz Max input level 80dB 1kHz 60dB 10kHz 2dBu min gain Output imped ...