Shure AUDIOMASTER 1200 User Manual download pdf (Page 15)

SONO-BAR Models

488A

• 488B • 488C • 488T

RANGER II Models

419A

• 419B

Exceptionally effective and rugged, these two series of noise-cancelling

microphones provide

highly

intelligible speech

communication

mobile and fixed-station use where high volume background noise

found, such

airplanes, helicopters, motorcycles, trucks, fire engines,

power boats,

sporting

events, drop-forges, press-rooms, engine-rooms,

factories, etc. These patented

Shure Controlled Reluctance micro-

phones

shut

out

background noise,

permit

clear transmission even

where the noise level is

great

that

the operator cannot hear

himself

talking! The

high-impact

Armo-Dur®case

lightweight, feels natural

to the touch even

temperature

extremes. Four versions of the Sono-

Bar

488

Series are described below, the 488A which

high imped-

ance, the

488B

which

low impedance and the 488C and 488T

Models which are transistorized

for

direct

replacement of carbon

microphones (the

488T

FAA.

Certified

for

aircraft

applications).

The

419

Series

smaller, more compact, than the

488

Series. All

models are equipped with coiled cord and long-life heavy-duty push-

to-talk switches.

Model

Frequency

Response

488A

200

4,000

Hz.

488B

200

4,000

Hz.

488C

200

4,000

Hz.

488T

200

4,000

Hz.

419A

200

4,000

Hz.

419B

200

4,000

Hz.

Specifications

Switch

Relay

Impedance

and

Output

Level

Mic.

Circ. Circ. Cable

High

141

volts

(-17

db).

= 1

volt

p-e-r--'-C-'ICC-o'-se::":d.:.c*,-,---o:":p.:.c

::..:

- 5

/2-foot

three-conductor

(one-

100

microbar

field.)

conductor

shielded)

coiled

cord.

150-250

ohms

014

volts

(-37

db).

Open**

Open

5%-foot

four-conductor

(two-

volt

per

100

microbar

field.)

conductor

shielded)

coiled

cord.

Transistorized.

100-500

ohms.

0.45

volts

(-7

db)

5';/Hoot

four-conductor

coiled

using

and

500-ohm

load. (0

volt

Open Open

cord.

per

100

microbar

field.)

Transistorized

aircraft.

Recommended

load

100

800

ohms

volts

(-3

db)

using

volts

and

500-ohm

load.

volt

per

100

micro-

bar

field.)

High

volt

(-18.5

db).

volt

per

100

microbar

field.)

150-250

ohms

014

volt

(--37

db).

- 1

volt

per

100

microbar

field.)

Open

Closed

Open

5%-foot

three-conductor

tinsel

coiled

cord.

5%-foot

three-conductor

(one-

conductor

shielded)

coiled

cord.

5%-foot

four-conductor

(two-

conductor

shielded)

coiled

cord.

'Provision

for simple change

normally open.

**Provision for

simple change

normally closed.

COMMUNICATIONS

MICROPHONES FOR

POLICE

CARS, TAXIS,

TRUCKS,

BUSES

AND AMBULANCES

Models 507B • 407 A • 407B

Ruggedness, reliabi lity and top performance

new modular-design

microphones that disassemble

quickly

and make every part

accessible-

permit

easier i n-the-field mai ntenance Two-tone gray Armo-Dur" cases

are lightweight,

immune

to shock, and unaffected by oil, sun, salt, spray,

acids,

rust, or corrosion. Triple-Flex™cable provides three to

four

times

longer flex life than previously available coiled cords.

Small, easy-to-

handle design, with rugged dynamic and

Controlled Magnetic elements

for

excellent voice intelligibility. Hum-shielded and insulated against

shock. Model

507B features extended low and high frequency response.

SPECIFICATIONS

Frequency Impedance &

Switch Mic.

Relay

Model Type Response Output

levels

Circ.

Cable

5078 Dynamic

100

10.000

Hz.

Single.

Low

only -

volt

three cond . (two shielded)

per microbar.) 1

milliwatt with

Opens

Open neoprene Jacketed Triple Flex cable.

microbars

5V2

feet. coiled

-407A

Controlled Magnetic

200

to 4.000

Single, High only

-50.5

three condo (one shielded). Triple

volt per microbar.) 1 milliwatt with

Closed**

Open Flex coil cord

feet, coiled) or

mlcrobars.

retractible cable

4078

Controlled Magnetic

200

4.000

Hz.

Single.

Low

only

-70.5

1 four-condo (two shielded).

volt per

mlcrobar) 1 milliwatt with 10

Open'

Open

Triple

Flex coil cord

(5V2

feet.

microbars coiled) or retractible cable

Mobile

Communications

Microphones

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 25 26

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Shure AUDIOMASTER 1200 User Manual Page 15

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