54
level up +20
level up +15
level up +15
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
max out +22
max out +22
max out +22
+14 max in
-10 trim dn
MIC INPUT
AUX RETURN
CH. LEVEL
MIX
O/P LEVEL
OUTPUT
OUTPUT
OUTPUT
MIX
MIX
O/P LEVEL
-50 trim up
+22 max in
trim dn
-40 trim up
+22 max in
switch @+4
-12.3 @-10
LINE INPUT
TAPE INPUT
to point (B)
gain up +15
fader up +10
(A)
(B)
pan center -3
gain dn -15
(C)
INSERT
EQ
FADER
PAN
SUB INSERT
-6
-6
gain up +15
level up +15
level up +15
gain dn -15
SPLIT EQ
CH. LEVEL
MIX B
1-8 from point (C)
L/R from point (D)
-4
to meters
METER FEED (+4 @ O/P = 0 @ METERS)
SUBMASTER or MAIN MIX
CHANNEL
FADER
CONTROL ROOM
(D)
level up
fader up +10
L/R bal max out +28
max out +22
1-8 bal/unbal
L/R unbal
from point (A)
AUX SEND
Because Mackie
Designs is always
trying to improve its
products with new
components and
manufacturing
methods, these
specifications may
change at any time.
But you can bet your
left monitor speaker
that the specs won’t
be any worse than
they are here.
APPENDIX D: Specifications
16•8, 24•8, 32•8 Specifications
Noise.
(Measured 20Hz to 20kHz bandwidth,
Tape Returns selected, no EQ, Channel Pans
alternating L/R, L/R. “Faders up” refers to Unity
gain, 0dBu position.)
Main L/R Output Noise.
Master fader down,
–101dBu; master fader up/no ch.’s assigned,
–95dBu; master fader up/24 chs. assigned,
–90dBu; master fader up/24 chs. assigned, ch.
faders up, –86dBu; +4dB operating level S/N
ratio, –90dBu
Submaster Output Noise.
Master fader down,
–99dBu; master fader up/no ch.’s assigned,
–96dBu; master fader up/24 chs. assigned,
–90dBu; master fader up/24 chs. assigned, ch.
faders up, –86dBu; +4dB operating level S/N
ratio, 90dB
Total Harmonic Distortion.
(1kHz @14dBu
measured 20Hz-20kHz, mic input, 1 channel as-
signed). Direct output, 0.0013% typical; L/R Mix
output, 0.0014% typical; Submaster output,
0.0015% typical
Crosstalk.
(1kHz measured relative to 0dBu,
measured 20Hz to 20kHz.) Line In to Adjacent
Channel, –91dBu; L/R mix output w/channel
down, –95dBu; submaster output w/channel
down, –96dBu; L/R mix output w/channel muted,
–95dBu; submaster output w/channel muted,
–96dBu; L/R mix output w/channel unassigned,
–91dBu; submaster output w/channel
unassigned, –95dBu; L/R mix output w/adjacent
channel assigned, –92dBu; submaster output w/
adjacent channel assigned, –94dBu; L/R mix out-
put pan pot attenuation, –87dBu; submaster
output pan pot attenuation, –87dBu
Frequency Response.
+0dB/–1dB, any input to
any output 20Hz to 60kHz; +0dB/-3dB, any input
to any output, 10Hz to 120kHz
E.I.N.
Mic input (150
Ω
termination, 20Hz-
20kHz) –129.5dBm
C.M.R.R.
Mic input, max gain @1kHz, –83dBu;
line input, minimum gain @1kHz, –45dBu; tape
input, no gain @1kHz, –45dBu
Maximum Levels.
Mic input, +14dBu; all other
inputs, +22dBu; L/R Mix balanced output,
+28dBu, all other outputs, +22dBu
Impedances.
Microphone input, 1.5 k
Ω
; channel
insert return, 2.5 k
Ω
; all other inputs, 10 k
Ω
or
greater; all outputs, 120
Ω
Equalization.
Hi Mid, full parametric, +/-15dB
freq. sweep from 500Hz-18kHz, bandwidth (Q)
variable from 1/12 octave to 3 octaves; Lo Mid,
swept, 45Hz-3kHz +/-15dB; Hi, shelving, 12kHz
+/-15dB; Lo, shelving 80Hz +/-15dB; Lo Cut
(HPF) 75Hz,18dB/octave (Tchebechev)
ADD-ONS
SPECS
ETC.
