Shure M75B Type 2 User Guide

FIGURE 2

222 HARTREY AYE.. EVANSTON. IL. 60204 U.S.A
AREA CODE 3121866.2200	. CABLE: SHUREMICRO
TWX: 910-231-0048	TELEX: 72-4381

THE P R E M I E R F A M I L Y OF S T E R E O SOUND R E P R O D U C E R S

MODEL M75B	STEREO DYNETIC8
TYPE 2	PHONOGRAPH CARTRIDGE

CARTRIDGE AND STYLI SPECIFICATIONS

@*

.$*s?

@Q$

N75B

Type 2

15microns

(.0006in.) fSpherical

LO025in.) Spher~cal

Beige 5.0 mV 20 to	within	20 dB	1	400	Hz - 28: cm/sec
20,000	2 dB	at	to 3	1,000	Hz - 35 cm/sec
Hz		1.000	llra~lr	10,000	Hz - 20 cm/sec
		Hz		at 2 grams

l mvbio"- 1grams$:

	TOptlonal 78		rpm	Stylus.	Set	amplifier	to	MONO"	or "A+B	"
	'Output	voltages		given	tor 5tereo cut		record For		MONO cut		record
	output voltage at both left channel and						r ~ g h tchannel cartridge terminals
,	will be 71% ot f~guresabove
	"Tracking	forces		greater	than	maximurn	indrcated should not			be	used
&	NET WEIGHT		6 2 grams
1	INDUCTANCE		720 m ~ l l ~ h t n r ~ e s
1	DC RESISTANCE			630 ohms
	OPTIMUM	LOAD		47 000 ohms		resiitan~c		parallel wrth 400 to 500 p~co.

Ptarads total capacitance per channel Load resistance can be up to 70,000 ohms wrth almost no audihle change in frequency response Total capacl tance Includes both tone arm wlrlng and ampl~fler input clrcuit

FOUR-CHANNEL

This

Stereo

DyneticO

cartridge 1s compatible with all

four-channel matrlx systems

MONOPHONIC OPERATION

Set tunctlon

switch on ampl~fierto "MONO

or

A+B

If

amplrfier

I S

not

cquipped with thls

swrtch,

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

LG " If metal head

IS causing

ground

loop

hum

remove the

ground tab

The

metallic cartridge shleld is disconnected

from

the

r ~ g h tchannel

ground

by

the

rcmoval of

the ground tab

CAUTION

Do

not

make

solder

L E + r

i;.-EL":/,'

RIGHT

connection

to

cartrrdge

terminals

CHANNEL

STYLUS REPLACEMENT (see Flg-L.N, ,T

-

TAB

ure

2) Grasp molded housing

01

R IS

I,-GROUND

L G *

-RIGHT

stylus

and

gently

pull

forward

~.'~d~f.f

CHANNEL

out of cartr~dge Insert replace

1 EFT

-3

GROUND

ment

stylus

Into socket

and

prcsi

%%%

FKKo":D

until housrng maips w ~ t hcartrldgc

TERMNULL

TO CAbF

case

FIGURE 1

MOUNTING

1127

mm

(1/2

I n )

mountlng

centers]

Mounting

screws

are prov~ded

1Remove stylus guard and stylus (see Stylus Replacement)

2. Connect leads to cartridge (see Figure 1).

3.Lay cartridge in shell and align mounting holes on side of cartridge with holes or threads in shell. Follow turntable manufacturer's instructions to mount cartridge in tone arm or plug-in shell.

4. Reinsert stylus (see Stylus Replacement).

RECOMMENDED STYLUS CLEANING: USPa carriel's hair brush (No. 2 srze or smaller), trimmed to approx~mately6 mm (1/4 in.), dipped in alcohol or an alcohol-distilled water solution Commercial clean~ngsolutions may cause

5tylus damage or corrosion. Always brush stylus					from back to front; never
brush or wipe stylus from front		to back or		side	to side.
TO PRESERVE STYLUS LIFE:
I .	Follow turntable or lone arm instructions when adjusting antiskating
	torce.
2.	Do not handle the tone arrn	w h ~ l eit		is in	operation since this may
	cause the arm to sweep across the		record.
3.	11 ~t 1s necessary to manually	place	thc	tone	arm in the record groove
	w h ~ l eturntable is rotating, releasc		it as	soon	as the stylus engages the
	record groove.

4.Correct Improper set-down adjustment or malfunction of the turntable changing mechanism to prevent the stylus from striking tlie edge of tlic

	turntable or record. Do not stack more records than turntabla manufac-
	turer recommends.
5.	Take care to properly Insert				the stylus into 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.	Do	not use	badly	warped, cracked or imperfect records.
8.	When dusting the			turntable	protect the stylus with the stylus guard.

SPECIAL NOTE: To maintain the original performance standards of your cartridge, be certaln that any replacement stylus you buy bears the following certification on the package: "This Stereo Dynetic@ stylus is precis~on mdnutactured 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 ~ t y l u s . "

- .

FULL ONE-YEAR WARRANTY:

Shurc

Bri~thers Incorporated

("Shure"),

222 tiai-trcy A\.cnue,

Evanston,

Ill~nois60204, warrants

to the

owner of t h ~ s

produci that

~t will

hc, fret., In

normal

usc, of any defecls In workrnansh~p

and

inater~alstilr

3

period

of one yea1

from datc of purchase. You should

i e t a n proof

(11' datc

o f purchaic. Shurc

1 8 not

I~al,lt, for any

consequential

damages. If thls Shure product has any dcfects as described

above, care-

fullv repack

tlie

unlt and

return ~t prepn~dto:

t l u r c

Rrothei-s Incorporated

Atlentton.

Service

Departnient

1501 Wesl Shure D r ~ v c

Arl~nglonHelglits,

Illino~s60004

l i y i ~ u,Ire,

nclt

in

t l ~ cllnitcd

States,

return

the

unit io yuur

dealer or

A u t h ( ~ r t ~ cServ~cedCcnter

for repair. Thc

unit

will

hc

rcpaircd or replaced

and

returned to

yilu promptly, and if

it

cannot be

repalred

or

replaced,

you niay clr3clto rcci,i\ve a refunrl. This warranty does not ~ncludestylus wear.

PATENT NOTICE: Gal-trldgc and stylus	manufactured under one or more
of the following U.S. patents: 3,055,988,	3,077,521, 3,077,522, and	3,463,889.
Copyright 1979, Shure Brothers Inc.
27A1239 (SD)	Prlnted	~n U.S A