Mackie SR244 / SR324 Owner's Manual - Page 59

APPENDIX E: SPECIFICATIONS: TECH STUFF SR24•4 and SR32•4 Specifications Noise (20Hz to 20kHz bandwidth, Line inputs to Main L/R outputs, all channels assigned, panned L/R): Master fader down, Ch. gains down Master fader @ unity, Ch. gains down Master fader @ unity, Ch. gains @ unity -94.7dBu -87.4dBu -83.5dBu Total Harmonic Distortion (1KHz @ +14dBu 20Hz-20kHz, Channel input): Any output below .004% Crosstalk (1kHz @ 0dBu, 20Hz to 20Khz bandwidth, channel in to Main Left outputs): Channel fader down, channels at Unity -89.5dB Channel muted, channels 2-16 at Unity -88.7dB Frequency Response (any input to any output): 20Hz to 50KHz 20Hz to 100KHz +0/-1dB +0/-3dB Maximum Levels Mic preamp input All other inputs Balanced XLR outputs All other outputs +14dBu +22dBu +28dBu +22dBu Impedances Mic preamp input All other inputs All outputs 1.5kΩ >10kΩ 120kΩ Equalization Lo EQ Shelving Mid EQ(mono ch)Peak Hi EQ Shelving 80Hz 100-8kHz 12kHz ±15dB ±15dB ±15dB Microphone Preamp E.I.N. (150Ω terminated, max gain): -129.5dBm Power Requirements 60 watts Weight SR24•4 SR32•4 31 lbs. (14 kg.) 40.7 lbs. (18.8 kg.) Appendices SR24•4 and SR32•4 Gain Path Diagram - all levels in dBu MIC INPUT +14 max in 0 10dB gain AUX RETURN level up +20 0 0 to point (B) TAPE IN level up +15 0 0 to point (B) or (C) level up +15 0 from point (A) CH. LEVEL AUX SEND level up +15 max out +22 0 0 0 MIX O/P LEVEL OUTPUT 60dB gain LINE INPUT +22 max in 10dB loss 40dB gain CHANNEL 00 INSERT gain up +15 0 fader up +10 (A) gain dn +15 EQ FADER 0 pan ctr -4.5dB PAN (B) -6 MIX MASTERS L-R XLR max out +28 max out +22 gain up +10 00 0 0 0 INSERT FADER OUTPUT METERS 0dBu = 0VU STEREO LINE INPUT +22 max in 20dB loss 0 20dB gain MACKIE SR24•4/SR32•4 GAIN STRUCTURE REV 1.0 05/95 ALL LEVELS ARE IN dBu CONTROL ROOM +22 max in 0 gain up +3 (C) -6 -6 MIX INSERT SUB 1-4 XLR max out +28 fader up +10 0 max out +22 0 FADER OUTPUT 57