Shure M267 User Manual
Model M267 User Guide
Shure Brothers Incorporated
222 Hartrey Avenue
Evanston IL 60202-3696 U.S.A.
222 Hartrey Avenue
Evanston IL 60202-3696 U.S.A.
27A8376 (QE)
1997, Shure Brothers Incorporated
Printed in U.S.A.
GENERAL
The Shure Model M267 is a microphone mixer-remote am-
plifier specifically designed for professional applications. The
excellent performance, versatility and features of this com-
plete, compact console make it an ideal choice for studio, re-
mote, 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 multiple microphone
inputs.
excellent performance, versatility and features of this com-
plete, compact console make it an ideal choice for studio, re-
mote, 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 multiple microphone
inputs.
Features:
•
Wide, flat frequency response and extremely low distor-
tion up to +18 dBm output
tion up to +18 dBm output
•
Extremely low noise and RF susceptibility
•
Four switchable microphone- or line-level balanced-line
inputs with individual gain controls and low-frequency roll-
off switches. MUMETAL shielding on input transformers
inputs with individual gain controls and low-frequency roll-
off switches. MUMETAL shielding on input transformers
•
Feedback-type input gain controls for maximum clipping
levels and dynamic range
levels and dynamic range
•
Output switchable for line or microphone level
•
Built-in switchable peak limiter cuts output overload dis-
tortion, adapts to power supply voltage
tortion, adapts to power supply voltage
•
LED indicator shows limiter operation or overload with
limiter defeated
limiter defeated
•
Externally adjustable limiter threshold (–4 to +18 dBm)
•
VU meter calibrated for +4 and +8 dBm with range
switch. Illuminated with ac operation
switch. Illuminated with ac operation
•
Ac or built-in battery operation. Noiseless automatic
switchover to battery in case of ac line failure. Battery
test without program interruption
switchover to battery in case of ac line failure. Battery
test without program interruption
•
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 re-
corder or power amplifier
drives almost any stereo or mono headphones; output
can be additional unbalanced line feed to drive a tape re-
corder or power amplifier
•
Direct mix bus for stacking units
•
Automatic muting prevents speaker damage during
turn-on and -off
turn-on and -off
•
Low distortion, high-stability tone oscillator for line test
and level checks
and level checks
•
All connections phased. Line output terminals phase-in-
dicated
dicated
•
Compact and lightweight, with rugged, abrasion-resis-
tant case
tant case
•
Internally selectable 120 or 240 Vac, 50/60 Hz operation
•
Underwriters’ Laboratories Listed and Canadian Stan-
dards Association listed as Certified
dards Association listed as Certified
SPECIFICATIONS
Frequency Response
30 Hz to 20,000 Hz,
±
2 dB
Voltage Gain (at 1,000 Hz)
(Outputs terminated: line 600
microphone 150
mix
bus 3.3 k
headphone 200
, tip-sleeve and ring-sleeve )
Input
OUTPUT
Input
Line
Microphone
Mix
Bus
Low-Impedance
Microphone (150
Microphone (150
)
91 dB
41 dB
24 dB
Line
40 dB
–9 dB
–27 dB
Mix Bus
55 dB
5 dB
– –
Inputs
IMPEDANCE
Input
Designed
for Use
With
Actual
(Internal)
Input
Clipping Level
Microphone
19 to 600
1
k
–32 dBV to
–5 dBV
∗
(25 mV to 0.56 V)
Line
Less
than10 k
66 k
+20 dBV
Mix Bus
3.5 k
3.5 k
+7 dBV (2.2 V)
∗
Depending on input control setting