Theatre Design & Technology - Oct 1965 - 16

electronic music are being investigated. 13 Journal of
The

Audio

Engineering

Society

and

5.

addition is exploited. Such a regulation has been insured in

14

Needless

to

say,

second

thoughts

the Indiana University Theatre system by the use of bridging
amplifie,s on each p,ag,am channel (See Fig. 1). Fo, a number of solid·stote units such a provision is no longer necessary.

have prompted

plans for some eloborations and revisions for inclusion in the "next theatre," an imminent inevitabi lity

6.

in this environment of campus population explosions.
Solid-state

equipment

offers

decided

7.

ground-loop

gathered

during

on

examination

of the

Burris-Meyer and Mallory, ap. cit., pp.89.92, provide
of excellent testing circuits
tional testing equipment

stability under various load increases. Compactness
is another benefit of miniaturization (no

Information

system,

June 12, 1964, through the courtesy of the New York Sate
Theatre and M,. A. Boylen, Kliegl B,athers, New York.

advantages

over vacuum-tube components, especially in circuit

W. Sturken, op, ci!., p. 232. A further limitation in this

any program channel once the possibility af unlimited speaker

Review are the principle periodicals covering this
area.

F.

system might welT"'b'etlle lock of 1 db. or ~ .:tter regulation in

Gravesaner

S.

and

procedures

variety

0

using

conven-

In fact, interest in the sys em motivated the company presi-

and no heat), offering the poss ibi lity for better audi-

dent to substitute, without additional cost, units of quality

ence-adapted

above

shows

because

of unobtrusive prox-

with engraved identification wou Id be an improvement over the neat but perishable si Ikscreen
ing.

The ra,tio of inputs to channels is good, but a

the distraction of snarled jack panels are amenable
to easy "reading" to complete the next cue. However, vertical controls are available for the former
and

some form

of

interconnecting

system

for

the

latter. As indicated earlier, the thornier problems of
unified control and presetting, of directional control
and unobtrusiveness in

its use, should be attacked

the

speci fications·

verti col

attenuators

were

istics that were particularly welcome: earlier, before sub·
mission for bids, painful changes hod to be made in the specIfications to stoy within the budget

letter-

few more master controls could be used occasionally.
Neither the confusion of grouped rotary controls nor

that of

substituted for the less-expensive rotary type; instead of on
uneven selection of speakers, units of he some type and high
quality were installed. This upgrading restored
character-

imity to the audience. Formica-over-aluminum labels

9

These

measurements

are

mode

ot

the

roted

output

of

the

power amplifiers with the amplifier looking into a non-inductive

load

resistor

(wattage

rating

above

the

rating

of the

of the amplifier)
10 The overage listener does not find distor ion noticeable, i e ,
until a 400 level is reached. Regarding higher levels of power
from amplifiers, it should be noted that distortion is also
beyond allowabie iimits at the point the amplifier is beyond
its rating. A 60 watt output has 5-SUO distortion andan 80 watt
output

30CO to 400"0 distor ion

and solved to the advantage of the average as well
11. Leo L. Beranek, Acoustics, (New York: McGraw-Hili Book
Co, Inc, 1954), pp
306-308; 417-429; _.n
._, Music,
Acoustics and Archi ecture, (New York: John Viley and
Sons, Inc., 1962), pp. 572-573.

as the more favored establishments.

FOOTNOTES
Harold Burris-Meyer and Vincent Mallory, Sound
atre (New York Theatre Arts Books, 1959).
2

Gary W
John

in the The-

Gaiser was the theatre consul ant for the University

OJ amore, Purdue University, was the engineering con·

sultant

Commercial Electronics, Indianapolis, Indiana, budt,

installed and tested the equipment. Raymond W. Casafi was
the coordinating architect .. Descriptions of two other systems
hove

appeared

in

the

literature

recently:

F.

W

Sturken,

'A Sound Design for Legitimate Theatre," Educational The-

atre

Journal.

system

I

W

at

Vol

16

University

Wood and J

S

(1964),

of

230-236,

California

Fichman.

at

comments
Los

on the

Angeles;

and

'The Sound System at the

essary

for the installation

component costs

Sometimes estimates cover only

It is difficult to accept Sturken's estimate

of cost if he is basing It on the quality equipment he listsot

the end of the article (ap. cit., p. 236)
13 Robert M

Voss,

"The

BrandeiS

University Music

recent examples. The footnotes in the lotter offer additional
stimulating material. The Audio Journal ;s available from

Box 383, Madison Square Station, New York 10, N. Y , and

Society,

The

XIII

(1965),

104-110, describes that

sophisticated

The provision for the future addition of the center, rear.vall
speaker (the tenrh one) is to be realized, but the circuit has
no

been included in the circui

Systematic

listening

ests

are

the po entioli ies of the system

diagram of Fig
being

1

conduc ed

to examine

Gravesaner

Review

from

Elekctroakustusches E:--peri-

mental
Studio,
Hermann
Scherchen,
Graveseno T essin,
Switzerland The combined electronic music studio of Col um ·
bia and Princeton UniverSities and the studio connected with
the broadcasting system of Cologne, Germany, have de·... eloped
remarkable techniques, the potentialities of which have no
been topped for the legl imate theatre except for sporadic
experiments

Editors

no e:

Interested

readers

might

sound installation ...... ith that reported for

NotIonal Theatre In
pp 23-24.

16

Studio",

Vol
13 (1965), 65-68, and Gordon Mumma, "An Electronic
Music Studio for the Independent Composer", Journal of he
Audio Engineering Society, Vol 12 '1964), 240·244, provide

New York Stote Theatre," Journal of the Audio Engineering

~ystem.
3

12, Many such estimates or reports do not include the engineering
costs
or he cost involved in the condUIt and wiring nec·

IUSITT

wish

to

compare this

he renovated Bavarian

S',jhnentechnl sche Rundschau (Apri I

64\,

THfATRE DESIGN AND TEGHNOllXlY

*



Table of Contents for the Digital Edition of Theatre Design & Technology - Oct 1965

Contents
Theatre Design & Technology - Oct 1965 - 1
Theatre Design & Technology - Oct 1965 - 2
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Theatre Design & Technology - Oct 1965 - Contents
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