Behringer EURORACK UB502 Manual - Page 10

10 EURORACK UB1202/UB1002/UB802/UB502 User Manual Balanced ¼" TRS connector strain relief clamp sleeve ring tip sleeve ground/shield ring cold (-ve) tip hot (+ve) For connection of balanced and unbalanced plugs, ring and sleeve have to be bridged at the stereo plug. Fig. 3.3: 1/4" stereo plug ¼" TRS headphones connector strain relief clamp sleeve ring tip sleeve ground/shield ring right signal tip left signal Fig. 3.4: Stereo plug for headphones connection 4. Specifications Mono Inputs Microphone Inputs (IMP "Invisible" Mic Preamp) Type XLR connector, electronically balanced, discrete input circuit Mic E.I.N.1 (20 Hz - 20 kHz) @ 0 Ω source resistance -134 dB / 135.7 dB A-weighted @ 50 Ω source resistance -131 dB / 133.3 dB A-weighted @ 150 Ω source resistance -129 dB / 130.5 dB A-weighted Frequency Response