Specifications And Block Diagram - Mackie SR24•4 Owner's Manual

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