Appendix C: Specifications; Gain/Level Chart - Mackie 16-8 BUS Owner's Manual

APPENDIX C: Specifications

24•8 and 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.)
Because Mackie
Designs is always
Main L/R Output Noise. Master fader down,
trying to improve its
products with new
–101dBu; master fader up/no ch.'s assigned,
components and
–95dBu; master fader up/24 chs. assigned,
manufacturing
methods, these
–90dBu; master fader up/24 chs. assigned, ch.
specifications may
change at any time. faders up, –86dBu; +4dB operating level S/N
But you can bet your
ratio, –90dBu
left monitor speaker
that the specs won't
Submaster Output Noise. Master fader down,
be any worse than
–99dBu; master fader up/no ch.'s assigned,
they are here.
–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,
ADD-ONS measured 20Hz to 20kHz.) Line In to Adjacent
SPECS
Channel, –91dBu; L/R mix output w/channel
ETC.
down, –95dBu; submaster output w/channel
down, –96dBu; L/R mix output w/channel muted,
+14 max in
-10 trim dn
MIC INPUT
-50 trim up
+22 max in
trim dn
LINE INPUT
INSERT
-40 trim up
+22 max in
switch @+4
-12.3 @-10
TAPE INPUT
48
to point (B)
AUX RETURN
gain up +15
fader up +10
(A)
pan center -3
gain dn -15
EQ FADER PAN
CHANNEL
gain up +15 level up +15
gain dn -15
SPLIT EQ CH. LEVEL MIX
MIX B
–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 (150Ω 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 kΩ; channel
insert return, 2.5 kΩ; all other inputs, 10 kΩ or
greater; all outputs, 120Ω
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)
from point (A)
CH. LEVEL MIX
AUX SEND
L/R bal max out +28
fader up +10
(B)
-6 -6
(C)
MIX FADER
SUB INSERT
SUBMASTER or MAIN MIX
max out +22
level up +15
O/P LEVEL OUTPUT METER FEED (+4 @ O/P = 0 @ METERS)
max out +22
O/P LEVEL OUTPUT
max out +22
max out +22
1-8 bal/unbal
L/R unbal
level up
(D)
OUTPUT CONTROL ROOM
-4
1-8 from point (C)
L/R from point (D) to meters