Shure VA 300 User Manual download pdf (Page 16)

SHURE

® audio

control

components

MODEL M63

AUDIO MASTER

A new concept

economical total control of audio response. Can

be used in produclion and transfer studios to equalize sound

sys-

tems, correct room acoustics, produce special sound effects,

reduce stand

stage noise, and for tape recording and

duplica-

tion. Has two high-level inputs and five output provisions for the

greatest response

control and flexibility available.

Effective, continuously variable

high-pass

and low-pass 6

db-

per-octave filters, plus separate bass and treble (boost and cut)

controls,

can

combined

for

virtually

unlimited

response

characte

ristics.

Output

meter. Five outputs: high impedance, high level, high

impedance

mic

level, low impedance

mic

level, 600-ohm balanced

line, and headphone. Two high-level high impedance inputs

con-

trolled by single input attenuator accept signal from virtually any

high

level source.

Model

M63

Audio

Master. For 108-132 Volts A.C.,

50-60

Hz.

Model

M63-2E

Audio

Master. For 216-264 Volts A.C.,

50-60

Hz.

SPECIFICATIONS

Model

M63

Audio

Master. For 108-132 volts ac, 50/ 60 Hz.

Model

M63-2E

Audio

Master. For 216-264 volts ac,

50/60

Hz.

Frequency

Response: :!: 2

20-20,000

(controls flat)

Gain: Line out. 38.5 dB (600 ohm load)

Aux. out. 39.0 dB (Kohm load)

High Impedance Mic out. . · 1.0

(33 Kohm load)

Low Impedance

Mic

out.

-21

(150 ohm load)

Tone

Controls:

Bass + 14,

-19

at 100

Treble + 16, -

dB at

10KHz

Filters: High Cut and Low Cut 6 dB per octav

continuously vari-

able - 3

points

Noise

Output

: (Line with 600 ohm load): 68

below + 8 dBm

20-20

,000

Distortion:

Under 1 % THO at

·1

·8 dBm oulput (600 ohm line)

Output

: + 18 dBm max. 600 ohm line

Size

and

Weight:

289 mm x 152

x 63.5 mm

Pia" x

2'12

"); 1.42

, 2 oz.)

MODEL M610

FEEDBACK CONTROLLER

The Shure M610 Feedback Controller marks the beginning of a new

era

sound reinforcement. When Ihe M610

included

the sound

system, its special sel of

filters and roll·off switches are used to

smooth out the peaks and

valleys

the system's frequency

reo

sponse.

that the system gain may be increased to significantly

higher

levels before r

ching the feedba

threshold I The user is

able

"tune" the sound system

acc

ording

the special acoustics

of the roorn to

ximize output and minimize feedback. The M610

gives you the basic advantages of room/system equalization - but

without the high co

s involved in elabnrale.

comple

highly spe-

cialized equalization equipment.

The M610 Feedback

Controller U,' AS eight resonant

dip

filters, each

controlled by a linear·motion potentiometer. Each of these filters, un-

like highly

selective "notch" or single-frequency filters, acts

a band of frequencies around Its center frequency,

that attenua-

tion

smooth and complete. These filters function in the most critical

portion of the audio spectrum, with center frequencies of 63. 125,

. 500, 1.000 2,000 4,000 and 8,000 Hz. Each is infinitely variable

from

attenua

(flat)

a maximum cut of

. The M610 also

features

"high

end" (above 8 kHz) and

"low

end" (below 63 Hz)

roll-off SWitches to control response outside the range

these filters.

Front-panel

volume control allows Ihe user to

conveniently

increase

the overall

the system to a

level

even

higher

than

ginal

level. The M610 may be used

improve sound quality and increase

intell igibil ity by filtering out "problem frequencies" that cause oscil-

lating

("ringing"), boominess and other disruptive resonances in

acoustically difficult rooms. and

equalize program material and

monitor speakers

studio and broadcast operations

Model

M610: 108-132 volts ac,

50/60

Hz.

Model

M610-2E:

108-132/216·

264 volts ac,

50/60

WRITE

"SHURE MARKETING SERVICES"

FOR

COMPLETE TECH-

NICAL DESCRIPTION

AND SPECIFICATIONS.

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Shure VA 300 User Manual Page 16

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