Shure M267 User Manual

The Shure Model M267 is a microphone mixer-remote

amplifier specifically designed for professional applications.
The excellent performance, versatility and features of this
complete, compact console make it an ideal choice for stu-
dio, remote, or sound reinforcement use, and as an add-on
mixer for expanding existing facilities.  It is also ideally suited
for use with audio and video tape recorders to provide multi-
ple microphone inputs.

S

Wide, flat frequency response and extremely low dis-
tortion up to +18 dBm output

S

Extremely low noise and RF susceptibility

S

Four switchable microphone- or line-level balanced-line
inputs with individual gain controls and low-frequency
rolloff switches.  MUMETAL shielding on input transform-
ers

S

Feedback-type input gain controls for maximum clip-
ping levels and dynamic range

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Output switchable for line or microphone level

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Built-in switchable peak limiter cuts output overload
distortion, adapts to power supply voltage

S

LED indicator shows limiter operation or overload with
limiter defeated

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Externally adjustable limiter threshold (–4 to +18 dBm)

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VU meter calibrated for +4 and +8 dBm with range
switch.  Illuminated with ac operation

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Ac or built-in battery operation.  Noiseless automatic
switchover to battery in case of ac line failure.  Battery
test without program interruption

S

Front-panel headphone level control and monitor jack
drives almost any stereo or mono headphones; output
can be additional unbalanced line feed to drive a tape
recorder or power amplifier

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Direct mix bus for stacking units

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Automatic muting prevents speaker damage during
turn-on and -off

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Low distortion, high-stability tone oscillator for line test
and level checks

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All connections phased.  Line output terminals phase-
indicated

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Compact and lightweight, with rugged, abrasion-resis-
tant case

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Internally selectable 120 or 240 Vac, 50/60 Hz opera-
tion

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Underwriters’ Laboratories Listed and Canadian Stan-
dards Association listed as Certified

30 Hz to 20,000 Hz, 

±

2 dB

Voltage Gain (at 1,000 Hz)

(Outputs terminated: line 600 

W, 

microphone 150 

W, 

mix

bus 3.3 k

W, 

headphone

 

200

 

W

, tip-sleeve and ring-

sleeve )

Low-Impedance 
Microphone (150 

Ω

)

91 dB

41 dB

24 dB

Line

 40 dB

–9 dB

–27 dB

Mix Bus

55 dB

5 dB

– –

 Microphone

 19 to 

600 

Ω

1

 

k

Ω

–32 dBV to

–5 dBV

∗

(25 mV to 0.56 V)

Line

Less

than10 k

Ω

66 k

Ω

+20 dBV

Mix Bus

3.5 k

Ω

3.5 k

Ω

+7 dBV (2.2 V)

∗

Depending on input control setting

Shure Brothers Incorporated
222 Hartrey Avenue
Evanston IL 60202-3696  U.S.A.

27A8376 (SE)

E

1999, Shure Brothers Incorporated

Printed in U.S.A.