Shure M75HE-J User Manual

222
HARTREY
AVE.. EVANSTON. IL.
-Elm+-
-
MICROPHONES AND ELECTRONIC COMPONENTS
"ODE
311
dc6
TWX:
910-231-0048
220
60234
U.S.A
.
AH
t
5r,
IHllll'q
72.4381
I
TELEX:
THE PREMIER
MODEL M75HE-
TYPE
FAMILY
2
OF STEREO SOUND REPRODUCERS
J
STEREO DYNETIC'@
PHONOGRAPH CARTRIDGE
CARTRIDGE AND STYLUS SPECIFICATIONS
$*
.$**
*.&'
-
28 cm/Sec
Within
20 to
5.0
N75HE-J Type2,
Hyper­elliptical
-.
N75-3 ?$I25 in.)
Spherical, Mono 78 Stylus
*Output voltages given for stereo cut record. For MONO cut record,
output
will be 71% of figures above. *'Tracking forces greater than maximum indicated NET WEIGHT: 6.2 grams INDUCTANCE: 720 millihenries
DC RESISTANCE: 630 ohms OPTIMUM LOAD:
farads total capacitance per ohms with tance
CONNECTIONS (see Figure ground left ground (usually blue) to hum, remove the ground tab The metallic cartridge shield is disconnected
from the right CAUTION: Do not make solder
connection to cartridge terminals. STYLUS REPLACEMENT (see ure s,,,lus and gently pull forward out of cartridge. Insert replace-
ment stylus into socket and press until housing mates with cartridge case. FIGURE
MOUNTING 112.7 mounting centers]: Mounting screws are provided.
I.
2.
3.
4. Reinsert stylus (see Stylus Re-
RECOMMENDED STYLUS CLEANING: (See Fi
Use a distilled water solution. Brush only fr11m back to front as shown. Commercial may cause stylus damage.
Light
Gray
---
Dark
Green
rDm
voltage at both left channel and right channel cartridge terminals
almost no audible change in frequency response. Total capaci-
includes both tone arm wiring and amplifier input circuit.
(usually green) to "RG." Left "hot" lead (usually white) to "L,"
2):
Grasp molded housing of
Remove stylus guard and stylus (see Stylus Replacement).
Connect leads to cartridge (see
1).
Figure Lay cartridge in shell and align
mounting holes on side of car­tridge with
Follow turntable rnanu-
shell. facturer's instructions to mount cartridge in tone arm or
- . -
shell. placement).
soit brush with alcohol or an alcoh
mV
20,000
Hz
6.2 mV
20 to
20,000
Hz
47,000 ohms resistance in
channel ground by the removal of the ground tab.
holes or threads in
channel. Load resistance can be up to 70,000
1): Right "hot" lead (usually red) to "R," right
"LC."
Fig-
mm
(1/2
in.)
~lua-in
cleaning solut~ons
20
dB
l
at
2
dB
1
kHz
2%
grams
-
-
1%
to
grams
parallel with 400 to 500 pico-
If metal head is causing ground loop
LEFT
C,zkLE;L
kEF-L
TER"NAL
FIGURE
400 Hz
1,000 Hz - 35 cm/sec
to
10,000 Hz
3
should not be used.
2
at 2 grams
1
-
RIGHT
CHANNEL
TERMINAL
GROUND
RIGHT CHANNEL
GROUND
TERMINAL
GROUNDED
TO CASE
20
/
cm/sec
TAB
P'
FIGURE
TO PRESERVE STYLUS LIFE:
1.
Protect stylus wlth stylus guard when dusting turntable.
2. Regulate tone arm set-down or changer mechanism to prevent stylus from striking edge of turntable or record.
3. Do not handle tone arm while record is being played; handling may cause arm to sweep across record. Use cuing device if
4.
If manual set-down is necessary, release arm as soon as stylus engages
groove.
5.
Do not activate arm without record on turntable.
6. Do not stack more records than changer manufacturer recommends.
7.
Do not use damaged records.
8.
Make certain cartridge is correctly mounted in tone arm; lnake certain
stylus is properly Inserted in cartridge.
Use appropriate vertlcal tracking force for each cartridge and stylus;
9.
iorces outside recommended range can cause stylus and record damage.
10. Follow turntable or tone arm instructions for antiskating force. SPECIAL NOTE:
cartridge,
ing certification on the package: "This Stereo Dynetic@ stylus is precision manufactured by Shure Brothers WILL SERIOUSLY DEGRADE THE PERFORMANCE OF YOUR CARTRIDGE. ALL GENUINE BROrHERS INC. LOOK FOR THE NAME SHURE ON THE STYLUS GRIP. For more information on your Shure stylus, write for pamphlet: "Don't be penny-wise and sound foolish."
FULL ONE-YEAR WARRANTY: Shure Brothers Incorporated ("Shure"), 222
Harlrey Avenue, Evanston, Illinois 60204, warrants to the owner of this
product that it
materials for a period of one year from date of purchase. You should
and retain proof of date of purchase. Shure is not liable for any consequential damages. If 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 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: Manufactured under one or more of the
U.S.
patents: 3,055,988, 3,077,521, 3,077,522, and 3,463,889.
Copyright 1981, Shure Brothers 27A1652 (UC) Printed in U.S.A.
To maintain the
be certain that any replacement stylus you buy bears the follow-
"DYNETIC@" STYLI ARE MANUFACTURED BY SHURE
will be free, in normal use, of any defects in workmanship
Shure Brothers Attention: Service Department 1501 West Shure Drive Arlington Heights, Illinois 60004
3
available.
or~ginal performance standards of your
Inc." AVOID INFERIOR IMITATIONS. THEY
(AL633)
Incorporated
replaced
following
Inc
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