Shure M91E User Guide

222

HARTREY

AVE..

EVANSTON.

IL.

60204

U.S.A.

MICROPHONES AND ELECTRONIC COMPONENTS

&RIACOD6

..

TWX:

910-231-0048

-..-

112 866.2700

.

CABLE'Sh

~

--

TELEX:

JHEMICRO

72-4381

THE PREMIER FAMILY OF STEREO SOUND REPRODUCERS

MODEL

m-7RACK

M91E

STEREO

DYNETIC@

PHONOGRAPH CARTRIDGE

EASY-MOUNT

CARTRIDGE AND STYLI SPECIFICATIONS

&?

$3

$Q5&

400 HZ

-

at 1 gram

--

-

400 Hz - 20

at 1 gram

-

-

.X

2

HOLt

-q+'

ti&!

THUHBNAIL

FON

FROM

enAcXET

3

"A

YShure"),

workrnansh~p

20 cm/sec

C~/S~C

---

CHANNEL

BUW

OFBR*-CK:T-

RLYDVAL

Visit to

wlth~n

20 to

5 0

N91E
5 X l8p

(

0002

0007 In

Blradlal

(Ell~pt~cal)

N91G
15

microns

(

0006

Spher~cal
N91 31.

64

mlcrons

(

0025 ~n

Spher~cal

'Output voltages given for stereo cut record. For MONO cut record,

**Track~ng forces greater than maximum indicated should not be used.

NET

INDUCTANCE:
DC RESISTANCE: 630 ohms
OPTIMUM LOAD: 47,000
rjirotarad.; total capacitance per channel. Load resistance can be up to
79,000 ohms with

capacitance

FOUR-CHANNEL: This Stereo
tour-chaoriel matrix systems
MONOPHONIC OPERATION: Set
or
right channels in parallel.
CONNECTIONS (see Figure
R~ght "hot" lead (usually red) to
"R," right ground (usually green)
to "RG." Left "hot" lead (usually
wh~te) +o "L," left ground (us­ualiy blue) to "LG." If metal head

is causlng ground loop hum, re-

move the ground tab. The

lic cartr~dge shield is d~sconnect­ed irom the right channel ground
by the removal of the ground tab.

CAUTION: Do not make solder
connections to

STYLUS REPLACEMENT (see
ure
stylus and gently pull forward out
of cartridge. Insert
stylus intu socket and press unt~l
housing mates with cartridge case.

"EASY-MOUNT'MOUNTING
mm
Mounting screws are provided.

1.

2.

3.

4.

5. lnseri cartridge inro snap-in

6.

HECOMM~h:01:

or

an alc.ilinl-:
stylus
brush or

TO PRESERVE STYLUS LIFE:

1.

2. Do not handle the tone arm while it is in operation since this may

3.

4.

5.

6.

7. Do not use badly warped, cracked or imperfect records.

8.
SPECIAL NOTE: To maintain the original performance standards of your
cartridge, be certain that any replacement stylus you buy bears the fol­lowing certification on the package: "This

manufactured by Shure Brothers Inc." AVOID INFERIOR IMITATIONS. THEY

WILL SERIOUSLY DEGRADE THE PERFORMANCE OF YOUR CARTRIDGE.
ALL GENUINE
BROTHERS INC. LOOK FOR THE NAME SHURE ON THE STYLUS GRIP.
For more information on your
the Small World

FULL ONE-YEAR WARRANTY: Shure Brothers lncorporated
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
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, care­fully repack the unit and return it prepaid to:

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

Copyright

27A1243

Black

X

)

~~

Gray

~n

)

Dark

Green

)

toptional

output voltage at both left channel and right channel cartridge terminals

71%

will be

WEIGHT:

"A+B."

2):

Grasp moltled housing of

(1/2

in.) mounting centes]:

Remove stylus guard and stylus
(see Stylus Replacement).
Remove cartridge from snap-in

bracket (see Figure

Attach bracket to tone arm
head or plug-in
cordance with turntable manil­facturer's insLruction%. Generai-

Iy,

,he top of the bracket

should be flat the top
of the head

Connect leads to cartridge (see
Figu.2

11.

bracket (see F~gure

Reinsert stylus
placemen!). FIGURE

srB~a/'~r:

darnat-

wtpe stylus from front to back or side to side.

Follow turntable or tone arm instructions when adjusting antiskatir~g

force.
cause the arm to sweep across the record.

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.
Correct improper set-down adjustment or malfunction of the turntable
changing mechanism to prevent the stylus from
turntable or record. Do not stack more records than turntable manufac­turer recommends.
Take care to properly insert the stylus into the cartridge assembly and
the cartridge and shell assembly into the tone arm receptacle.
Use proper vertical tracking force setting for each cartridge.

When dusting the turntable protect the stylus with the stylus guard.

1981,

(UB) Printed in U.S.A.

1nV

20,000

Hz

-

5

0 nlV

20 to

20.000

-.

6

78

rpm Stylus: Set amplifier to "MONO" or "A+B."

Hz

2

mV

20 to

20,000

Hz

of ilgures above.

i h granis

720

millihenries

ohms resistance in parallel with 400 to 500

almost no

~ncludes both tone arm wiring and amplifier input circuit.

audrhle change in frequency response. Total

DyneticO cartridge is compatible with all

If ampl~fier is not equipped with this switch, connect left and

1):

metai-

cartr~dge terminals.

Fig-

re~lacement

[12.7

3).

shell

in

ac- FIGURE

or

shel!.

3).

;sob

Stylus Re-

:';YLUS CLEANING: Use a camel's hair brush (No. 2 size

.it.;

~o

.;i:?d wa!er solution. Commerc~al cleaning solutions may cause

or

approximately 6 mm (1/4 in.), dipped in alcohol or

corrosion. Always brush stylus from back to front; never

"DYNETIC@" STYLI ARE MANUFACTURED BY SHURE

of a Stylus."

Shure Brothers lncorporated
Attention: Service Department
1501 West Shure Drive
Arlington Heights, Illinois 60004

U.S.

Shure stylus, write for booklet:

patents: 3,055,988, 3,077,521, 3,077,522, and 3,463,889.

Shure Brothers Inc.

25 dB

3/4

2 dB

w~thrn

2 dB

-

at

1

kHz

25 dB

at

1

kHz

-

to

to

1,000 Hz - 28 cm/sec

1y2

10,000 Hz - 18 cm/sec

grams

-

-

3/4

1000 HZ - 28 cm/sec

1v2

10,000 Hz - 18 cm/sec

grams

-

1%

to 3

grams

iunct~on switch on amplifier to "MONO"

CI!~N':E

GROUND

FIGURE

U-S"ELC'

OF

CARTRIDGE

MUST

OF

BRACKET

HOLE

j

liIi~

or CIIRTRIDDE

BEFORE

01

BRACICI

HERE

BE FLYCL:

OCIIW CARTRIDGE

W~TH

"NOES

'AR

\

BUMP

IN

FRONT

'\

$$:fr-$

---.-

strik~ng the edge of the

Dynet~cB stylus is precis~on

--

IN

,/'