Shure M75-6 User Guide
222
HARTREY
AVE..
EVANSTON.
IL.
60204
U.S.A.
MODEL
M75-6
/7WT#3AACK
Model Diamond Stylus
Number Replacement
M75-6 N75-6 Radius:
M75E N75E Elliptical
M75G N75G Radius:
M75 Series N75-3,* Radius:
V-15 Type
.0006” (.015 mm)
Side Contact
Radius
:
.0002“ (.005 mm)
Frontal Radius:
,0007’’
(.OX3
,0006“ (.015 mm)
I1
,0025’’ (.064 nlm)
AREACODE312/328.9000
PHONOGRAPH CARTRIDGE
Output Voltage Stylus
(I
,000
Hr.
5
cm/sec)
6.2 millivolts
6.2 millivolts
mm)
6.2 millivolts
6.2 millivolts Green
.
CABLE:
SHUR5MICRO
DATA
SHEET
STEREO DYNETICO
Grip Tracking
at
Color
Beige
Yellow
Dark
Gray
(Grams)
1%
3/4
3/4
1%
to
to
to
1%
1%
to 3
3
Higher stylus forces within specified range greatly improve
trackability.
FREQUENCY RESPONSE:
CHANNEL SEPARATION:
RECOMMENDED LOAD IMPEDANCE:
INDUCTANCE:
D.C. RESISTANCE:
MOUNTING:
WEIGHT:
TERMINALS:
GENERAL:
graph cartridges has been developed for use with all high fidelity
amplifiers having magsetic and constant velocity inputs.
SHURE-SME MOUNTING INSTRUCTIONS:
in the Shure-SME Precision Pickup Arm, Model
refer to the aarapraphs on Cartridge Installation and Balancing
in the instruction-Manual supplied with the pickup arms.
OPERATION
are listed under “Specifications.” Forces greater than the indi-
cated “maximum” should not be used.
4-LEAD STEREO CONNECTION:
ahannel
L
-. . . . . .
nel to terminal “RG.”-Connect ”hot” lgad
minal
“L”
To prevent “ground loops” ar
should be used at cartridge terminals
MONAURAL CONNECTION:
Monaural
and “L” terminals and ynnect ground or shield lead to both
ground terminals marked
720 millihenries
Standard
6 grams
4
terminals
The M75 Series
:
Recommended needle forces
tn
terminal
. . .
. ..-.
and shield or ground lead of left channel to LG.
or
Stereo recordings, connect “hot” !ead to both
From 20 to 20,000 Hz. (cps)
More than 25 db at
1,000
Hz. (cps)
47,000 ohms per channel
630 ohms
%”
(12.7 mm) mounting center
of
High Trackability Dynetic phono-
To mount the M75
3009
for
optimum results
CON N ECTl 0 N
“R”
and shield or eround lead of rieht chan-
S
Connect “hot” lead of right
of
left channsl
id hum, no common connection
For single channel reproduction
RG” and “LG.”
and 3012,
<?
ter;;
“R”
of
Suggestions
To clean the stylus, use a camel's-hair
smaller) dinDed liehtlv in
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 front to back
CAUTION:
Make all solder connections to terminal jacks provided before slipping them over the terminals.
I
FFT
LEFT
Do not make solder connection to cartridge terminaJs.
.
TERMINAL DIAGRAM STYLUS REPLACEMENT
FIGURE
EASY STYLUS
Grasp molded housing of stylus between thumb and forefinger.
Gently withdraw stylus by pulling forward out of cartridge. 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
stylus, resulting in damage to the stylus tip
SPECIAL NOTE:
tridges is the most critical component. To maintain the original
performance standards of your cartridge, be certain that any replacement stylus you buy bears the following certification on the
package
by Shure Brothers, Inc.
formance of your cartridge. All genuine "Dynetic" styli are manufactured by Shure Brothers. Inc.
LABORATORY TEST FINDINGS:
"This Stereo Dynetic stylus is precision manufactured
:
Avoid inferior imitations. They will seriously degrade the per-
for
I
Cleaning
alrnhnl
or
RIGHT
RIGHT
CHANNEL
CHANNEL
TERMINAL
TERMINAL
GROUND TAB
GROUND TAB
RIGHT
RIGHT
CHANNEL
CHANNEL
GROUND
GROUND
TERMINAL
TERMINAL
GROUNDED
GROUNDED
TO
CASE
TO
CASE
Your
Thp
side to side.
Stylus
hriish
FIGURE
INn
7:
qim
2
REPLACEMENT
oft
the molded housing of the
or
shank.
The .Dynetic stylus assembly used in these car-
(Note: The followinc stvlds
nr
For
drastically in important performance charactefistics
the compliance varied from a low of 0.9 to a high of'i1.5, requiring
9.0 grams to track a record with a low compliance stylus, and
grams with a high compliance stylus. The high compliance stylus
retracted at
drag
sponse at high frequency (relative to the ikc level) ranzed from a
5.5db peak to a drop of 7.5db.
(27rlh) to "noor" (ifi.FiBh) at
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.
partment records show that an increasing number of Dynetic
Phono Cartridges are being returned because of poor performance
-and
cartridges are using imitation Uynetic Styli.
CONCLUSION:
we cannot guarantee that the performance,
cartridges will meet the published Shure specifications. Accept no
substitute.
GUARANTEE:
to be free from electrical and mechanical defects for a period
one year from the date of purchase. Please retain proof
purchase date. This guarantee includes all parts and labor.
This guarantee does not include stylus wear.
PATENT
3,077,521, and 3,077,522. Other patents pending.
Copyright 1966, Shure Brothers Inc.
278321 (KJ)
4
on
grams needle force, allowing the cartridge case to
the record surface, thereby becoming inoperative. Re-
In addition to our test findings, our Service De-
our
examination has disclosed that most of these returned
Obviously, if
any
imitation Dynetic Stylus is used
of
This Shure product is guaranteed in normal use
Shure Service Center for repair.
nmn"iA
NOTICE:
Manufactured under
U.
S.
Patents 3,055,988,
Printed in
example
Shure Dyneti;
U.S.A.
of
of
2
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