Shure M73G Datasheet

2 2 2 Hr.llTBIY AYE EVANSTON. ILL. ( 6 0 2 0 4 ) U.S.A.
AREA
C O D E 3 1 2 / 3 2 8 - 9 0 0 0
CABLE SHUREMlCRO
MODEL M73G
DATA SHEET
EASY-MOUNT
STEREO DYNETIC@
PHONOGRAPH CARTRIDGE
SPECIFICATIONS
M71 AND M73 CARTRIDGE SERIES
N71 AND N73 STYLI SERIES
Model Diamond Stylus Tracking
Number
/
Replacement
/
( : ' ' ~ ~ ~ ~ ~ . ~ '
I
%$
1
(Grams)
-
M71-6
M71C
MOUNTING:
The cartridge bracket has standard 1h" mounting
centers. Hardware 1s provided for mounting purposes. (The brass
screws have British threads.)
1.
Remove stylus guard and stylus from cartridge. (See para-
graph on stylus replacement.)
2. Remove cartridge from "Easy-Mount" snap-in bracket. (See
(Figure 1)
3. Start mounting screws into tone arm head or plug-in shell.
4.
Slip "Easy-Mount" bracket under heads of mounting screws
and tighten screws securely.
-.
1% to 3 millivolts
n n n ~
(.om mm,
6.2 millivolts
N75-3,* Radius: 4.4 millivolts
5. Connect leads to phono-cart~idge. Note color code for proper
connection to terminal "L, "R," "LG" and "RG" a s in-
dicated in tone-arm instruction manual.
Green
NE71-6 Radius:
.0006" (.015 mm)
NC71 Radius :
.0006" (.Ol5 mm)
6. Insert cartridge into "Easy-Mount" snap-in bracket. (See
Figure 1)
SHIELD OF CARTRIDOE UUST BE PLACED
~ B ~ ~ ~ ~ l ~ $ ~ & ~ ~ ~ ~ f ~ E ~ F B E L ~ ~ z E ~ ~ C ~ l ~ ~
*The N75-3 stylus may be used t o reproduce the standard 78
rpm records. I n this case, the amplifler should be set to "Mon-
aural" or "A+B."
TRACKABI LITY:
M7lEB a t a
st lus force of
1% grams
400 Hz.
-
1 x 3 cm/sec.
M71-6 a t a stylus force of 1% grams
400
Hz.
-
14.3 cm/sec.
M71C a t a stylus force of 3 grams
400 Hz.
-
14.3 cm/sec.
M73G a t
a
stylus force of 1 gram
400 Hz.
-
14.3 cm/sec.
Higher stylus forces within specifled range improve trackability.
FREQUENCY RESPONSE:
From 20 to 20,000 Hz.
C H A N N E L SEPARATION:
More than 20 d b a t 1,000 Hz.
RECOMMENDED LOAD IMPEDANCE:
47,000 ohms per channel
INDUCTANCE: 720 millihenries
D.C. RESISTANCE:
630 ohms.
MOUNT1 NG:
Standard %" (12.7 mm) mounting center using new
"Easy-Mount" snap-in bracket.
W E I G H T :
5 grams
T E R M I NALS:
4 terminals
GENERAL:
The M71 and M73 Series of Dynetic phonograph. car-
tridges has been developed for use wlth all high fidelity
amplifiers
having magnetic and constant veloclty inputs.
Gray
Green
\
EARTRIDCE BUMP IN
HOLE OF BRACKET.
7
6.2 millivolts
9.0 millivolts
1 to 1%
1 % to 3
--
FOR REMOVAL OF BRACKET.
CARTRIDGE AND BRACKET ASSEMBLY
FIGURE I
Beige
Blue
1% to 3
3 to 5