Shure M91ED-PE User Guide

222

HARTREY

AVE..

EVANSTON.

IL.

60204

U.S.A.

MODEL M91 ED-PE

LFB-TRACK

DATA SHEET

STEREO DYNETICO

PHONOGRAPH

HEAD ASSEMBLY

FOR PERPETUUM-EBNER

"2000"

SERIES AUTOMATIC

CARTRIDGE

TURNTABLES TRACKING FROM

3/4

GRAMS (Except

2035)

SPECIFICATIONS

FREQUENCY RESPONSE:

OUTPUT VOLTAGE:

CHANNEL SEPARATION:

CHANNEL BALANCE:

INPUT IMPEDANCE:

INPUT CAPACITANCE:

INDUCTANCE: D.C. RESISTANCE: STYLUS MODEL

N91ED

TRACKING FORCE: LIGHT TRACKING FORCE WITH HIGH TRACKABILITY:

lightel. the tracking fol,ce, the longer the life of the stylus and ~.ccords, p1,ovided the stylus can follow the gmore without losing contact. A cartr~dge tracking properly provides an accurate unbroken fiow of signals

Sienals recorded at a to-track properly. trackability at light tracking forces.

TRACKABILITY:

At a stylus force of 1 gram

(H~gher

stylus

GENERAL:

stereo I~ead. The Model MYlED-PE is designed specifically for thtl

Pe~.~)etu~~m-Ebnei.

This inodel is an irnuroved hizh aualitv "Hi-Track"

phono car.tt.idge nlountcdL in a ~e?pethum-kbner pickup

Frori: 20 to 20,000 Hz.

5.0 rnillivolts per channel at 1,000 at 5 cm/sec.

Nonlinally 25 db at 1,000

Witliiri 2 db of each other Nom~nally 47,000 ohms (per channel). Can

be up to 70,000 clianpe in treauencv resDonse.

-100-500 picofarads per channel including

tonea1,rri wiring and amplifier Input capacitance.

720 millihenries 630 ohms

lieplacement : Gr~p Color-Yellow ELLIPTICALLY SHAPED NUDE DIAMOND TIP

,0002 inch ,0007 inch (17.8 microns) frontal radius ,0010 inch (25.4 microns) between points

:3L

from the 1,ecord groove to the amplifier.

h1~1ie1 level icm/sec.) are more difficult

This stereo Dynetic 'cartridge provides high

400 Hz.

1,000 Hz. - 33 cm/sec

10,000 Hz. - 19 cm/sec

forces within specified

2000

series Autoinatic Turntables (c?xceut 2035)

ohms with almost inaudible

---

microns) side contact radii

of contact with groove.

grarns

22 cm/sec

range

Hz.

improve trackability.)

Hz.

Thc

INSTALLATION

Rernove present pickup head and insert Shure Cartridge Head Asserribly into phono arm. Care riiust be taken in renioval and inserting of the pickup heads not to cause damage to the stylus.

cai.tridee dnr~na ren~oval or -insertion of uickun Lead

the

Balancc al'ln as per Perpr,tuurli-Ebncr instructions and set stylus force indicator to g~.eatel' than the indicated "maxi~nuln" should not be used.

SUGGESTIONS FOR CLEANING YOUR STYLUS:

the stylus, use a camel's-hair brush (No. 2 size or smaller)

dipped lightly in alcohol or alcohol-water solution; grain alcohol

preferrcd. (WARNING: Conimercial record or stylus cleaning

solutioz~s

The alcohol will coated tlie stylus tip. The brush bristles should be trimmed to

a length a forward tl,idge) to the front. NEVER brush or wipe the stylus from front to back or side to

RECORD CLEANING:

iniriierse it in a solution of mild dishwashing liquid detergent and lukewarm or cool water (preferably distilled water). Use a Lint-free cloth to work the the grooves around for a clear, cool or lukewarm water (preferably distilled) and dry

with a lint-free cloth.

EASY STYLUS REPLACEMENT

Grasp molded housing of stylus between thumb and forefinger. Gently withdraw stylus by pulling forward

out of cartridee. stylus betwee; thumb >nd 'forkAGeland insert into stylus socket. Press stylus into socket until molded housing of the caFtridge case.- Care must be taken not to allow the finger to slip off the molded housing of the stylus resulting in damage to the stylus tip or shank.

SPECIAL NOTE:

tridges is uerlormance standards of your cartridge, be certain that any replace~nent stylus you buy bears the following .certification on the package: "This Stereo by Shure Brothers Inc."

AVOID INFERIOR IMITATIONS. DEGRADE THE PERFORMANCE OF YOUR CARTRIDGE. ALL GENUINE "DYNETIC" STYLI ARE MANUFACTURED BY SHURE BROTHERS INC.

GUARANTEE:

be free from electrical and mechanical defects for a period of me year from the date of purchase. Please retain proof of purchase This guarantee does not include stylus wear.

SHIPPING INSTRUCTIONS:

return it prepaid to the factory. If outside the United States.

return the unit to your dealer or authorized Shure, Service

for repair. The unit will be returned to you prepad.

PATENT NOTICE:

one or

3.077.522 and 3.463.889.

For iri:rxirnnrn safctv, leave the stvlus ~uai;d on

may cause cor.l.rbslon and permanent stylus damage.)

longer than

lnovenient from the rear (terminal end of the car-

stvlus mates w~th the

the liiost critical component. To maintain the original

datc. This guarantee includes all parts and labor.

more of the following U. S. Patents 3,055,988, 3,077,521,

r,econilnended tracking force. Forces

remove any sludge deposits which n:ay have

inch. ALWAYS brush the stylus with

s~de

An effective way to clean a record is to

nlixture into the grooves, following

tliorough cleansing. Then, rinse with

Grasn re~larcment

The Dynetic stylus assembly used in these car-

Dynetlc stylus is

This Shure product is guaranteed in normal use

Carefully repack the unit and

Cartridge and stylus manufactured under

STYLUS REPLACEMENT

THEY WILL SERIOUSLY

precision

To clean

manufactured

Center

Printed in U.S.A.