60
SR40•8 SPECIFICATIONS
Noise
Master Fader @ Unity, channel gains down
–90dBu
Master Fader @ Unity, channel gains @ Unity –86dBu
Signal to Noise Ratio (ref +4)
≥
90dB
Total Harmonic Distortion
Below 0.005%
Crosstalk
Channel Fader down, channels @ Unity
–95dBu
Channel muted, other channels @ Unity
–95dBu
Frequency Response
20Hz to 60kHz
+0/–1dB
10Hz to 100kHz
+0/–3dB
Maximum Levels
Mic preamp input
+22dBu
All other inputs
+22dBu
Balanced XLR outputs
+28dBu
All other outputs
+22dBu
Impedances
Mic preamp input
2.4k
Ω
All other inputs (except inserts): bal.
>10k
Ω
RCA outputs
3.3k
Ω
All other outputs:
balanced
240
Ω
unbalanced
120
Ω
Equalization
Low EQ, shelving
±
15dB, 80Hz
Low Mid EQ, 1.5 octave bandwith
Mono channels: sweepable
±
15dB, 45Hz–3kHz
Stereo channels: fixed
±
15dB, 800Hz
Hi Mid EQ, 1.5 octave bandwith
Mono channels: sweepable
500Hz–15kHz
Stereo channels: fixed
±
15dB, 3kHz
Hi EQ, shelving
±
15dB, 12kHz
High Pass Filter
Mono channels: sweepable
12dB/octave, 30–800Hz
Stereo channels: fixed
18dB/octave, 150Hz
Microphone Preamp
E.I.N.
–129.5dBm (20Hz–20kHz)
Power Requirement
SR40•8/SR56•8 400-Watt Power Supply (sold separately)
Weight
SR40•8
110 lbs.
SR56•8
145 lbs.
Dimensions (Power Supply)
Since we are always striving to make our stuff
better at Mackie Designs by incorporating new
and improved materials, components and manu-
facturing methods, we reserve the right to change
these specifications at any time without notice.
19.00" (48.3cm)
17.25" (43.8cm)
16.00" (40.6cm)
5.25"
(13.3cm)
17.13" (43.5cm)