Shure M44C Manual

222 HARTREY
AVE..
EVANSTON.
IL. 60204 U.S.A
A R E A C O D E
3121866-2200
.
CABLE:
SHUREMICRO
TWX:
910-231-0048 TELEX: 72-4381
THE PREMIER FAMILY OF STEREO SOUND REPRODUCERS
STEREO DYNETIC@
M44C
PHONOGRAPH C A R T R , , , ,
CARTRIDGE AND STYLI SPECIFICATIONS
Optional 33-1/3 rpm MONO-LP Stylus: Set amplifier to "MONO" or
"A+ B."
t t o p t i o n a l 78 rpm Stylus:
Set
amplifier
to "MONO" or "A+B."
'Output voltages given for stereo cut record. For M O N O cut record,
output voltage at both left channel and right channel cartridge term~nals
w i l l be 71% of flgures above.
**Tracking
forces greater than maximum indicated should n o t be used.
NET WEIGHT: 6.5 grams
INDUCTANCE: 720 millihenr~es
DC RESISTANCE: 630 ohms
OPTIMUM LOAD:
47,000 ohms resistance in parallel w i t h 400 to 500 pico-
farads total capacitance per channel. Load resistance can be up to 70,000
ohms wlth almost no audible change in frequency response. Total capaci-
tance includes both tone arm w i r i n g and amplifier input circuit.
MONOPHONIC OPERATION: Set function s w ~ t c h on amplifier t o "MONO"
or "A+B." If amplifier is n o t equipped w i t h this switch, connect left and
right channels in parallel.
CONNECTIONS (see Figure 1): Right "hot" lead (usually red) to "R," right
ground (usually green) to "RG." Left "hot"
lead (usually white) to "L,"
left ground (usually blue) to "LC." I f metal head is causing ground loop
hum, remove the ground tab. The metallic cartridge s h ~ e l d is disconnected
from the right channel ground by the removal o f the ground tab.
CAUTION: D o n o t make solder
LEFT
connection to cartridge terminals
CHANNEL
STYLUS REPLACEMENT (see F I ~ -
ure 2) Grasp molded houslna of
-GROUND TAB
stylus and gently pull forward
o u t o f
cartridge
Insert replace-
LEFT
GROUN' D '
ment stylus into socket and press
E i ; u " N " E
/
u n t ~ l
housing
mates
with
cartr~dge
TERM'NAL TO CASE
case.
MOUNTING C12.7 mm (1/2 in.)
mounting centers]:
Mounting screws are provided.
1. Remove stylus guard and stylus
(see Stvlus Re~lacement).
2. Connect leads to cartridge (see
Figure 1).
3. Lay cartridge in shell and align
mounting holes o n s ~ d e of car-
tridge w i t h holes o r threads i n
shell. Follow turntable rnanu-
facturer's instructions to mount
cartridge i n tone arm o r plug-in
shell.
FIGURE 1
4. Reinsert stylus (see Stylus Re- FIGURE 2
placement).
RECOMMENDED STYLUS CLEANING:
Use a camel's hair brush (No. 2 size
or smaller), trlmmed to approximately 6 m m (1/4 in.), dipped in alcohol o r
an alcohol-distilled water solution Commercial cleaning solutions may cause
stylus damage o r corrosion. Always brush stylus from back t o front; never
brush o r wipe stylus from front to back or side to side.
TO PRESERVE STYLUS LIFE:
1. Foliow turntable o r tone arm instructions when adjusting antiskating
force.
2. D o not handle the tone arm whlle i t is i n operation since this may
cause the arm to sweep across the record.
3. I f i t is necessary to manually place the tone arm i n the record groove
while turntable is rotating, release i t as soon as the stylus ensaaes the
-
-
record groove.
4. Correct improper set-down adjustment o r malfunction o f the turntable
changing mechanism to prevent the stylus from striking the edse o f the
turntable o r record. D o 'not stack more records than t6rntablemanufac-
turer recommends.
5. Take care t o properly insert the stylus i n t o 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.
D o n o t use badly warped, cracked o r imperfect records.
8. When dusting the turntable protect the stylus w i t h the stylus guard.
SPECIAL NOTE:
To maintain the original performance standards o f your
cartridge, be certa~n that any replacement stylus you buy bears the follow-
ing certification on the package: "This Stereo Dynetic@ stylus is precision
manufactured by Shure Brothers Inc." AVOID INFERIOR IMITATIONS. THEY
WILL SERIOUSLY DEGRADE THE PERFORMANCE
OF
YOUR CARTRIDGE.
ALL GENUINE "DYNETICO" STYLI ARE MANUFACTURED BY SHURE
BROTHERS INC. LOOK FOR THE NAME SHURE O N 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 Incorporated ("Shure"),
222 Hartrey Avenue, Evanston, llllnols 60204, warrants to the owner of t h ~ s
product that 1 1
will
be free, In normal use, of any defects in workmansh~p
and rnateriali for a perlod o f one year from date o f purchase. You should
retaln proof of date o f purchase. Shure 1 s not !iable ior any conrequent~al
damages. If t h ~ s Shure product has any defects a i descr~bed above, rare-
fully repack the unit and return i t p r e p a ~ d to:
Shure Brothers Incorporated
Attenllon: Service Departnirnt
1501 West Shure Drive
Arlington Heights, l l l ~ n o l s 60004
l i . y o u are not in the United States, return the unlt
t i :
your dealer or
Authorized Servlre Center for repair. The unlt
will
be repaired ( ~ r replaced
and returned to you promptly, and ~f ~t c'innot be repaired or replaced,
you may elect to recelve a rctund. This warranty does not include stylus wear.
PATENT NOTICE:
Cartridge
and stylus manuiacturbd under one or more
ot the
following
U.S. patents: 3,055,988, 3,077,521, 3,077,522, and 3,463,889.
Copyright 1979, Shure Brothers Inc.
27A1229 (SD)
Printed in U.S.A.