Shure 91-01, 91-02, 91-05 User Guide

225

WEST HURON STREET CHICAGO U *S*A

TELEPHONE DELAWARE 8383 CABLE: SHUREMICRO

NO:

DATE:

I

SUBJECT:

I

102

October 1941

Models 91-01, 91-02 and 91-05

Military-type Carbon Microphones

MOUNTING

BRACKET

ASSEMBLY

99-

1

60

Mounting Holes

Clearance for

6

Screw

No.

-4

I-'"

NOTE: HANGER "A" AND

MOUNTING STUD

OPTIONAL.

FOR

MOUNTfNG BRACKET

SPECIFY ASSEMBLY

16

"B"

99-160.

SHURE SPECIFICATION SHEET No. 102

MODEL 91-01 MODEL

I

No Microphone Switch.
Relay Switch Normally Open.

1

yMlcRo-

STANDARD SWITCH

PHONE

I

Microphone Switch Normally Open.
Relay Switch Normally Open.

and

CABLE ASSEMBLIES

91

-02

WHITE

MODEL 91-05

I

-RELAY

Microphone Switch Normally Open.

'

No Relay Switch.

I

SHIELD

Four Conductor Unshielded Cable.

Other Switch and Cable Combinations Available on Special Order

0

db=43 db Below One Volt Per Dyne Per Square Centimeter
Recommended Operating Voltage-2 to 3 Volts
Recommended Operating Current
Microphone Resistance

Four Conductor Unshielded Cable.

FREQUENCY

-

CYCLES PER SECOND

-

-

200 Ohms

10 to

15

Single Conductor Shielded Cable.

Milliamperes