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7. The top of
the "Easy-Mount"
bracket should be flus!~
against the top of the tone arm head for proper playing posi-
tion, unless other mounting instructions are supplied by the
record changer/tone arm manufacturer.
8.
Reinsert stylus.
S H U R E - S M E M O U N T I N G I N S T R U C T I O N S :
To mount the car-
tridge in the Shure-SME Precision Picku
Arm, Nodel 3009 and
3012, refer to the paragraphs on Cartridge r)nstall?tion and Balanc-
ing in the instruction Manual supplied with the pickup arms.
O P E R A T I O N :
Recommended needle forces for optimum results
are listed under "Specifications."
Forces greater than the indi-
cated "maximum" should not be used.
CONNECTIONS
4 - L E A D S T E R E O CONNECTION:
Connect "hot"
lead of right
channel to terminal "R" and shield or ground lead of n g h t chan-
nel to termlnal "RG." Connect "hot" lead of left channel to ter-
minal "L" and shield or ground lead of left channel to
"LG."
To prevent
"
round loops" and hum, no common connection
should be u s e 2 a t cartridge terminals.
M O N A U R A L CONNECTION
: For single 'channel reproduction of
Monaural or Stereo recordings, connect
hot" !ead to both "R"
and "L" terminals and connect ground or shleld lead to both
ground terminals marked " R G and "LG."
Suaaestions for Cleanina Your Stvlus
- -
-
To clean the stylus, use a camel's-hair brush (No. 2 size or
smaller) dipped hghtly in alcohol. The alcohol will remove any
sludge deposits which may have coated the stylus tip. The brush
bristles should be trimmed to a length no longer than
?4
inch.
Always
brush the stylus with a forward movement from the rear
(terminal end of the cartridge) to the front. Never brush or wipe
the stylus from tront to back or side to side.
C A U T I O N :
Do not make solder
connections to cartridge termi-
nals. Make all solder connections
to terminal jacks prov~ded before
slipping them over the terminals.
TERMINAL DIAGRAM
STYLUS REPLACEMENT
FIGURE 2
FIGURE 3
EASY STYLUS REPLACEMENT
Grasp molded housing of
st
lus between thumb and forefinger.
Gently withdraw stylus by pulying forward out of cartritrge. Grasp
replacement stylus between thumb and forefinger and insert into
stylus socket. Press stylus into socket until the molded housing
of the stylus mates with the cartridge case. Care must be taken
not to allow the finger to slip off the molded housing of the
stylus, resulting in damage to the stylus tip or shank.
S P E C I A L N O T E :
The Dynetic stylus assembly used in thesf: car-
tridges is the most critical component. To maintaln the original
performance standards of your cartridge, be certain that any re-
placement stylus you buy bears the following certiflcation on the
package: "This Stereo Dynetic stylus is precision manufactured
by Shure Brothers, Inc."
Avoid inferior imitations. They will seriously degrade the per-
formance of your cartridge. All genuine "Dynetic"
styli are
manufactured by Shure Brothers, Inc.
LABORATORY T E S T F I N D I N G S :
(Note: The followine stvlus
- - -
test findings of the ~ h u r e
N 3 D
stylus are a n example of the d o s e
scrutiny Shure pays to all lmltatlon Shure Dynetlc Styh.) Shure
laboratory tests show that the Imitation stylus assemblies labeled
as revlacements for the Shure Model N3D Stylus Assembly \a1
y
drastically in important performance charactefistics. For example,
1 1 1 ~
nnmnliance varied from a low of 0.9 to a hieh of 11.5. reauirins
.........--.
~
--..
~
~
9.0 grams to track a record with a low comp?iance s t y l u s , A a ~ ~ d
2
grams with a high compliance stylus. The high compliance stylus
retracted a t
4
grams needle force, allowing the cartridge case to
drag on the record surface thereby becoming inoperative. Re-
snonse a t hieh treauencv (rdlative to the l k c level) ranged from a
5:5db peak T o a ddrop
6f
7.5db. Separation varied froin "good"
(27db) to."poor"
(16.5db). a t 1 kc. These flgures reveal t h a t there
is very little
consistency
in performance characteristics of the
imitatfon Dynetic Styli.
In each of the categories shown above the results ranged from
good to poor. As a matter of fact, only 10% of the samples met the
Shure performance standards for the Shure N3D Stereo Dynetic
Stylus. I n addition to o u r test findings, our Service Department
records show that an increasing number of Dynetlc Phono Car-
tridges are being returned because of poor performance-and
our
examination has disclosed that most of these returned cartridges
are using imitation Dynetic Styli.
CONCLUSION:
Obviously, if
any
imitation Dynetic Stylus is used,
we cannot guarantee that the performance of Shure Dynetic
cartridges will meet the published Shure specifications. Accept no
substitute.
Guarantee
The Stereo Dynetic Cartridges and Stereo Dynetic Styli are
guaranteed to be free from electrical and mechanical defects for
one year from the date of shipment from the factory, provided
all instructions are complied with fully. The Guarantee does not
cover stylus wear, nor does it cover damage to the stylus assem-
bly from abuse or mishandling.
P A T E N T N O T I C E :
Manufactured under U: S. Patents 3,056,988,
3,077,521, and 3,077,522. Other patents pending.
Copyright 1968. Shu1.c Brothci.~, Inc.
P1,inted in
U.S.A.
27A637 (7-68)
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