Radio Design Labs RDL RU-MLA2T Dual Microphone – Line Preamplifier

Inputs (2):XLR(front); detachable term block(rear)Input level (for +4 dBu output): Switch-selectable (rear panel) MIC/LINEMic: -48 dBu to -3 dBu (LO GAIN); -65 dBu to -20 dBu (HI GAIN)Line:-15 dBu to +28 dBuInput Impedance:Mic: 2 kO balanced, switchable 24 V phantom (IEC 1938: 1996-12)Line: 10 kO balanced; may be connected unbalancedOutputs (2):XLR(front); detachable term block(rear)Output level:Switch-selectable (rear panel) MIC/LINEOutput Impedance:150 O balancedChannels:2 (A and B; stereo or dual mono)Gain Trim (2):Front panel adjustable; one per channelMic: Off to 52 dB gain (LO GAIN); Off to 69 dB gain (HI GAIN)Line:Off to 20 dB gainFrequency Response:Mic80 Hz to 50 kHz (+/- 0.75 dB); <10 dB @ 20 Hz (integral high-pass filter)Line: 15 Hz to 50 kHz (+/- 0.1 dB)THD+N:<0.1% (Mic); <0.005% (Line)CMRR: 50 dB (Line)Residual Noise (below +4 dBu LINE output or -45 dBu MIC output):Mic:-79 dB (50 dB Gain); -70 dB (Mic 60 dB Gain)Line:-85 dBCrosstalk:Below noise floor (A to B; B to A)Headroom: 20 dB (above +4 dBu LINE output)Power Requirement:GROUND-REFERENCED, 24 to 33 Vdc @ 80 mAAmbient Operating Environment:0 C to 55 C

Features

• The RU-MLA2 is a dual channel audio preamplifier