5
SPECIFICATIONS
Frequency Response
20 to 20,000 Hz ± 2.0 dB (channel controls centered)
Total Harmonic Distortion
0.25% THD at +4 dBm output, 55 to 20,000 Hz
Voltage Gain
Inputs
Outputs
Equivalent Input Noise
£ –127 dBV with 150 W source, 400 to 20,000 Hz
Output Noise
Master level full CCW: –100 dBV, 400 to 20,000 Hz
Master level full CW: –80 dBV, 400 to 20,000 Hz
Hum and Noise
Equivalent Input: £125 dBV, 20 to 20,000 Hz
Output: –95 dBV (Master CCW), –75 dBV; (Master CW), 20 to
20,000 Hz
Common Mode Rejection Ratio
65 dB at 100 Hz, –20 dBV input
Polarity
Overload and Shorting
Shorted outputs, even for prolonged periods , cause no damage.
Microphone inputs of up to 3 Vrms cause no damage. Line and
monitor can withstand signals of up to 30 Vrms.
Input Peak Indicators
6 dB below clipping level
Output Peak Indicator
Lights red at 6 dB below clipping level
Output Clipping Level
£ +18 dBm at line output into 600 W
Low-Cut Filters
7 dB down at 150 Hz; 6 dB/octave slope (3 dB down at 260 Hz)
Tone Oscillator
1 kHz ± 20%
Limiter
Threshold: Switchable: 0, +4, +8, +16 dBm
Attack Time: 1 ms ± 0.5 ms
Release Time Constant: 100 ms ± 30 ms
Indicator: Green when limiting by 1 dB or more
Phantom Power
12 V Phantom: 12 V through 340 W
48 V Phantom : 48 V through 3.4 kW
AC Power
M367: 100–120 Vac, 50/60 Hz, 100 mA
M367E: 220–240 Vac, 50/60 Hz, 50 mA; no-signal current drain
25 mA
DC Power
18 Vdc nominal at 40 mA typical no-signal, 45 mA typical at +4
dBm output; 13.5 Vdc minimum
Batteries
Two 9 V alkaline batteries
Battery Life
Up to 8 hours* at +4 dBm output in continuous use.
*(see Battery Operation)
Temperature Range
Operating: -18° to 57° C (0° to 135° F)
Storage: -29° to 74°C (-20° to 165° F)
Overall Dimensions (H x W x D)
71.9 mm x 308 mm x 233 mm (2 13/16 in. x 12
5/32 in. x 9 5/32 in.) including feet.
Weight (without batteries)
3 kg (6.6 lb)
Measurement conditions (unless otherwise specified): operating
voltage 120 Vac, 60 Hz (18
±
1 Vdc for dc test); operating tempera-
ture 22°C (72°F); input signal 1 kHz; internal DIP switches 1–7 open;
Power switch on; Mic/Line switches to Line; low-cut switches to flat;
Limiter out; Phantom power off; Mix Bus to M367; channel 1 gain full
CW; channel 2 through 6 full CCW; Master full CW; Phones level full
CCW; Line output terminations 600
W
(pins 2 and 3); Mic output ter-
minations 150
W
(pins 2 and 3); Phones (1/4"–ring) 300
W
to ground;
Phones (1/4"–tip) 300
W
to ground; Phones (3.5 mm) unloaded; Mix
Bus 930
W
(M367 position) or 3.5 k
W
(M267 position), not connected
unless specified; 1 kHz input signal.
Output
Input
Line Mic Phones Mix Bus
(M367)
Mix
Bus
(M267)
Low-Z Mic
(150
W
)
87 dB 40 dB 103 dB 66 dB 27 dB
Line
37 dB -11 dB 53 dB 15 dB -25 dB
Monitor
-- -- 12 dB -- --
Mix Bus
(M367)
10 dB -38 dB 26 dB -- --
MixBus
(M267)
50 dB 2 dB 66 dB -- --
IMPEDANCE Input
Input Designed for
Use With
Actual
(Internal)
Clipping
Level
Mic 19 to 600 W1 kW-10 dB V
Line £10 kW50 kW+36 dBV
Monitor £1 kW13 kW0 dBV
Mix Bus
(M367)
930 W bal.;
1860 W unbal.
930 W bal.;
1860 W unbal.
+23 dBV
Mix Bus
(M267)
3.5 kW3.5 kW-17 dBV
IMPEDANCE Output
Output Designed for
Use With
Actual
(Internal)
Clipping
Level
Mic Low-Z inputs 1 W-31 dBV
Line 600 W150 W+18 dBm
Phones 8 to 200 W 300 W+11 dBV
Mix Bus
(M367)
930 W bal.;
1860 W unbal.
930 W bal.;
1860 W unbal.
+11 dBV
Mix Bus
(M267)
3.5 kW3.5 kW-28 dBV
Mic/Line In to Mic/Line Out Non-Inverting
Mic/Line In to Phones Non-Inverting
Mic/Line In to Mix Bus (tip) Inverting
Monitor to Phones Non-Inverting
Mix Bus to Mic/Line Out Inverting