222
HARTREY
AVE..
EVANSTON.
IL.
60204
U.S.A.
MICROPHONES AND ELECTRONIC COMPONENTS
&RIACOD6
112 866.2700
.
CABLE'Sh
JHEMICRO
..
-..-
~
--
TWX:
910-231-0048
TELEX:
72-4381
THE PREMIER FAMILY OF STEREO SOUND REPRODUCERS
MODEL
M91E
STEREO
DYNETIC@
m-7RACK
PHONOGRAPH CARTRIDGE
EASY-MOUNT
CARTRIDGE AND STYLI SPECIFICATIONS
toptional
78
rpm Stylus: Set amplifier to "MONO" or "A+B."
'Output voltages given for stereo cut record. For MONO cut record,
output voltage at both left channel and right channel cartridge terminals
will be
71%
of ilgures above.
**Track~ng forces greater than maximum indicated should not be used.
NET
WEIGHT:
i
h
granis
INDUCTANCE:
720
millihenries
DC RESISTANCE: 630 ohms
OPTIMUM LOAD: 47,000
ohms resistance in parallel with 400 to 500
rjirotarad.; total capacitance per channel. Load resistance can be up to
79,000 ohms with
almost no
audrhle change in frequency response. Total
capacitance
~ncludes both tone arm wiring and amplifier input circuit.
FOUR-CHANNEL: This Stereo
DyneticO cartridge is compatible with all
tour-chaoriel matrix systems
MONOPHONIC OPERATION: Set
iunct~on switch on amplifier to "MONO"
or
"A+B."
If ampl~fier is not equipped with this switch, connect left and
right channels in parallel.
CONNECTIONS (see Figure
1):
R~ght "hot" lead (usually red) to
"R," right ground (usually green)
to "RG." Left "hot" lead (usually
wh~te) +o "L," left ground (us-
CI!~N':E
ualiy blue) to "LG." If metal head
GROUND
-
CHANNEL
is causlng ground loop hum, re-
move the ground tab. The
metai-
lic cartr~dge shield is d~sconnect-
ed irom the right channel ground
by the removal of the ground tab.
FIGURE
.X
CAUTION: Do not make solder
connections to
cartr~dge terminals.
STYLUS REPLACEMENT (see
Fig-
ure
2):
Grasp moltled housing of
stylus and gently pull forward out
of cartridge. Insert
re~lacement
stylus intu socket and press unt~l
housing mates with cartridge case.
"EASY-MOUNT'MOUNTING
[12.7
mm
(1/2
in.) mounting centes]:
Mounting screws are provided.
1.
Remove stylus guard and stylus
(see Stylus Replacement).
2.
Remove cartridge from snap-in
bracket (see Figure
3).
3.
Attach bracket to tone arm
head or plug-in
shell
in
ac- FIGURE
2
cordance with turntable manil-
facturer's insLruction%. Generai-
Iy,
,he top of the bracket
U-S"ELC'
OF
CARTRIDGE
MUST
BE FLYCL:
"NOES
'AR
OF
BRACKET
BEFORE
OCIIW CARTRIDGE
BUW
IN
should be flat the top
\
BUMP
IN
FRONT
HOLE
01
BRACICI
HOLt
OFBR*-CK:T-
of the head
or
shel!.
'\
,/'
4.
Connect leads to cartridge (see
$$:fr-$
Figu.2
11.
5. lnseri cartridge inro snap-in
---.-
j
-q+'
ti&!
bracket (see F~gure
3).
liIi~
HERE
W~TH
THUHBNAIL
FON
RLYDVAL
6.
Reinsert stylus
;sob
Stylus Re-
or CIIRTRIDDE
FROM
enAcXET
placemen!). FIGURE
3
HECOMM~h:01:
:';YLUS CLEANING: Use a camel's hair brush (No. 2 size
.it.;
~o
approximately
6
mm (1/4 in.), dipped in alcohol or
or
srB~a/'~r:
an alc.ilinl-:
.;i:?d wa!er solution. Commerc~al cleaning solutions may cause
stylus
darnat-
or
corrosion. Always brush stylus from back to front; never
brush or
wtpe stylus from front to back or side to side.
TO PRESERVE STYLUS LIFE:
1.
Follow turntable or tone arm instructions when adjusting antiskatir~g
&?
$3
$Q5&
force.
2. Do not handle the tone arm while it is in operation since this may
cause the arm to sweep across the record.
3.
li it 1s necessary to manually place the tone arm in the record groove
while turntable is rotating, release it as soon as the stylus engages the
record groove.
4.
Correct improper set-down adjustment or malfunction of the turntable
changing mechanism to prevent the stylus from
strik~ng the edge of the
turntable or record. Do not stack more records than turntable manufac-
turer recommends.
5.
Take care to properly insert the stylus into the cartridge assembly and
the cartridge and shell assembly into the tone arm receptacle.
6.
Use proper vertical tracking force setting for each cartridge.
7. Do not use badly warped, cracked or imperfect records.
8.
When dusting the turntable protect the stylus with the stylus guard.
SPECIAL NOTE: To maintain the original performance standards of your
cartridge, be certain that any replacement stylus you buy bears the fol-
lowing certification on the package: "This
Dynet~cB stylus is precis~on
manufactured by Shure Brothers Inc." AVOID INFERIOR IMITATIONS. THEY
WILL SERIOUSLY DEGRADE THE PERFORMANCE OF YOUR CARTRIDGE.
ALL GENUINE
"DYNETIC@" STYLI ARE MANUFACTURED BY SHURE
BROTHERS INC. LOOK FOR THE NAME SHURE ON THE STYLUS GRIP.
For more information on your
Shure stylus, write for booklet:
"A
Visit to
the Small World
of a Stylus."
FULL ONE-YEAR WARRANTY: Shure Brothers lncorporated
YShure"),
222 Hartrey Avenue, Evanston, Illinois 60204, warrants to the owner oi this
product that it will be free, in normal use, of any defects in
workrnansh~p
and materials for a period of one year from date of purchase. You should
retain proof of date of purchase. Shure is not liable for any consequential
damages. It this Shure product has any defects as described above, care-
fully repack the unit and return it prepaid to:
Shure Brothers lncorporated
Attention: Service Department
1501 West Shure Drive
Arlington Heights, Illinois 60004
If you are not in the United States, return the unit to your dealer or
Authorized Service Center for repair. The unit will be repaired or replaced
and returned to you promptly, and if it cannot be repaired or replaced,
you may elect to receive a refund. This warranty does not include stylus wear.
PATENT NOTICE: Cartridge and stylus manufactured under one or more
of the following
U.S.
patents: 3,055,988, 3,077,521, 3,077,522, and 3,463,889.
Copyright
1981,
Shure Brothers Inc.
27A1243
(UB) Printed in U.S.A.
N91E
5
X
l8p
(
0002
X
0007 In
)
Blradlal
(Ell~pt~cal)
~~
N91G
15
microns
(
0006
~n
)
Spher~cal
N91 31.
64
mlcrons
(
0025 ~n
)
Spher~cal
Black
Gray
Dark
Green
5 0
1nV
-
5
0 nlV
-.
6
2
mV
20 to
20,000
Hz
20 to
20.000
Hz
20 to
20,000
Hz
wlth~n
2 dB
w~thrn
2 dB
-
25 dB
at
1
kHz
25 dB
at
1
kHz
-
3/4
to
1y2
grams
-
3/4
to
1v2
grams
1%
to 3
grams
400 HZ
-
20 cm/sec
1,000 Hz
-
28 cm/sec
10,000 Hz
-
18 cm/sec
at
1
gram
-
--
-
--
400 Hz
-
20
C~/S~C
1000 HZ
-
28 cm/sec
10,000 Hz
-
18 cm/sec
-
at
1
gram
-
---
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