RDL ST-UBA2 Unbalanced to Balanced Amplifier With Separate Dual-LED VU Metering

the stmx2 is a versatile cost-effective 2-channel audio mixer with two balanced mic or line inputs with gain trimmers a dual led vu meter and two balanced outputs one at line level one at mic level the stmx-2 inputs and output may each be connected balanced for professional equipment or unbalanced for consumer products the gain trimmer on each channel has sufficient range to accommodate all usual consumer and professional levels including microphone outputs as low as -65 dbu pin jumpers installed during installation set each input to mic level or line level gain is also set during installation adjustment is made easy using the dual led vu meter next to the terminal block the green led achieves full intensity at plus 4 dbu balanced output the red led flashes on peaks above plus 4. the mic output level is nominally 50 db below the line output level separate mic and line level outputs are