SHURE m67 User Manual
222
HARTREY
AVE.,
EVANSTON,
IL.
60204
U.S.A.
AREA
CODE
312/328-9000
CABLE:
SHUREMICRO
(S;
The M67
amplifier specifically designed for professional applications. The excellent performance and versatility
of this complete, compact console make
choice for studio, remote, or original sound reinforcement use, and as an "add-on" mixer for expanding
existing facilities.
tape recorders and
phone inputs.
The Model M67-2E Professional Microphone Mixer
is similar to Model M67 except that
be connected to a 216-264 volt
All
M67 applies, except for those references to
operating voltage and power-line cord.
Features include:
former unaffected by up to
AC
Two-level headphone monitor provision designed to
Compact, lightweight.
U.S. Underwriters Laboratory and Canadian
Standards Association approval for use in commercial applications. (Applies to Model
Guarantee:
normal use to be free from electrical and mechanical
defects for a period of one year from the date of
purchase. Please retain proof of purchase date. This
guarantee includes all parts and labor.
Shipping Instructions:
and return
the United States, return the unit to your dealer or
Authorized Shure Service Center for repair. The unit
will be returned to you prepaid.
Copyright
27A954
is
a transistorized microphone mixer/remote
it
an ideal
It
is also ideally suited for use with
VTR's to provide multiple micro-
it
is designed to
AC
power line.
information on the data sheet for the Model
AC
Wide, flat frequency response and low distortion at
up to
$
Extremely low noise and RF susceptibility.
Four low impedance balanced-line microphone in-
puts with individual gain controls.
on input transformers.
Line input switchable for 600-ohms terminating, or
bridging.
Outputs, 600-ohm line and low impedance microphone level. Outputs may be used simultaneously.
VU meter calibrated for
range switch. Illuminated with
Meter isolated from DC on line. Line output trans-
pack). Noiseless automatic switch-over to battery in
event of
Low frequency roll-off switch on each channel.
accommodate 600 to 2,000 ohm headphones. Any
headphones from 8 ohms to crystal may be used.
Direct mix bus input for stacking units.
Line output terminals phase indicated.
tions phased.
18 dbm output.
Mumetal shielding
+4
and + I0 dbm with
AC
operation.
I00 ma DC.
or battery operation (with accessory battery
AC
line failure. Battery test provision.
All
connec-
M67).
This Shure product is guaranteed in
Carefully repack the unit
it
(LI)
prepaid to the factory.
1970.
Shure Brothers
Inc
If
outside
SPECIFICATIONS
PERFORMANCE
Frequency Response:
Gain:
phone 150 ohms). Gain will decrease a maximum of
5
--
Low lmoedance Micro~hone 1150 ohms) / 90 db 1 30 db
Line, Bridging or Terminating
Noise:
pedance microphone,
into 600-ohm load, at full gain.
Equivalent input hum and noise: -125
pedance microphone,
600-ohm load, at full gain.
Distortion:
Hz. at
(Outputs terminated; line 600 ohms, rnicro-
db
with nearly exhausted battery.
Input
Equivalent input noise: -129
Under
+
I0 dbm out (0.5% Typical).
Control Interaction:
com bination.
1-2
db
from 30 to 20,000 Hz.
I
Line I ~i;rophone
'
---
140db 1 -20db
dbV
(low im-
150 ohms -300 to 20,000 Hz.)
dbV
(low im-
150 ohms- 20-20,000
1%
T.H.D. from 20 to 20,000
Under
1%
.
-
db
with any control
Hz.)
into
INPUTS
Impedance
Input
<
-
Line.Terminated
1-d
I
z:
for
~ctual I Input Clipping
-30 dbV (150 ohms)
Greater than +22
OWK;~:
1
600 ohms I Greater than +24 dbm
dbV
Minimum Common Mode Rejection:
100
db
with microphone input of I0 volts at I00 Hz.
OUTPUTS
Output Designed For Actual
Microphone Any low 0.5 Ohms 6 rnv, -44 dbV
Line
*Other line impedances may be used; however, the VU meter is
calibrated for 600-Ohm line termination. See "VU Meter"
Section on Page 3.
Headphone Output:
3.
Page
Impedance
Use
With (Internal)
impedance
microphone
See "Headphone" Section on
Temperature Range:
Operating: O°F to 135OF (-17.8OC to 57OC)
Storage: -20°F to 160°F
Output Clipping
(
-29OC to 71
Printed in
Level
OC)
U.S.A.
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