Shure SR10 Specifikace stáhnout pdf

222 HARTREY AVE., EVANSTON. IL. 60204 U.S.A.

DATA

MODEL SR108 EXTENDED

AREA CODE312/866-2200 CABLE: SHUREMICRO

SHEET

RANGE SPEAKER SYSTEM

TWX: 910-231-0048 TELEX: 72.4381

OPERATION AND SERVICE INSTRUCTIONS

FIGURE

SR108 SPEAKER SYSTEM

DESCRIPTION

The Shure Model SR108 Extended Range Speaker

System is a rugged, heavy-duty, two-way speaker sys-

tem designed primarily for high sound-pressure-level

reproduction of wide-frequency-range program mate-

rial in sound reinforcement applications. The

SR108

can be used with Shure Model SR105 or similar high-

power amplifiers, in either a single-amplifier mode

(conventional full-range operation with passive cross-

over) or, with a Shure Model

SR106 Electronic Cross-

over, in a biamplification mode of operation. The

SR108

is also ideal for monitoring applications requiring wide

frequency response and high signal level capabilities.

When properly installed and connected, the

SR108 will

provide outstanding performance in critical, high-level

applications due to its extremely wide frequency re-

sponse, low distortion and smooth dispersion charac-

teristics. The

SR108 has a nominal impedance of 16

ohms and is designed to operate with up to 57 volts

rms input (200 watts continuous program material). In

the biamplification mode, the low-frequency section

accepts up to 200 watts and the high-frequency section

up to 100 watts of continuous program material. The

SR108 can be used either direct-coupled or with a

constant-voltage 70-volt line using a Shure

A102A

Transformer.

The superior sound quality of the

SR108 is achieved

through the use of six eight-inch low-frequency speak-

ers, mounted in a linear array in a front-ported,

horn-

loaded, bass reflex enclosure (fourth-order Butterworth

response) plus four high-frequency drivers coupled

to a single radial horn. The front-porting bass reflex

design of the enclosure provides extreme

low-fre-

quency enhancement, and horn-loading optimizes the

lower mid-range frequencies. A built-in series-type

passive crossover network is used with single-amplifier

inputs, and includes a four-position high-frequency

attenuator switch (LOUDSPEAKER OPERATION).

The LOUDSPEAKER OPERATION Switch is also

used to select between the single-amplifier, passive

crossover input and separate high- and low-frequency

inputs for operation in the biamplification mode. The

Shure Model

SR106 Electronic Crossover provides

the proper low-frequency and high-frequency signal

splitting ahead of the power amplifiers for biamplified

operation.

The high-frequency section of the

SR108 also con-

tains automatic protection circuitry to avoid driver

damage at extremely high input levels. Additional

high-frequency driver protection is included in the

bi-

amplification mode to protect against damage from

low-frequency signals.

The

SR108 is a portable unit, and is primarily de-

signed for easy installation either indoors or in

a protected outdoor environment, such as under an

open pavilion. The system is supplied with a

15.2111

(50-foot), 18-gauge, rubber-jacketed connecting cable

with phone plugs. (A second connecting cable-Shure

No.

RKC4, not supplied-is required for operation in

the biamplification mode.) The upper right rear section

of the

SR108 contains a cable storage compartment.

The

SR108 is constructed of 15.9 mm

(5/8

in.) heavy

durable wood, coated with black, scuff-resistant, tex-

tured vinyl. All adhesives used in the

SR108 are

moisture-resistant, and internal bracing is provided to

minimize vibration and maximize structural integrity.

The metal grille assembly is finished in durable gold

enamel. The radial horn is ruggedly constructed of

high-density, structural urethane foam, with fastening

hardware selected to provide strength and minimize

corrosion and visible wear. The

SR108 is equipped

with an integral rear-panel handle and two heavy-duty,

hard-rubber wheels for mobility.

1977,

Shure Brothers

Inc.

27A1355

(QC)

Printed

U.S.A.

1 2 3 4 5 6 ... 15 16

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Strany 1 - DESCRIPTION

222 HARTREY AVE., EVANSTON. IL. 60204 U.S.A. I DATA MODEL SR108 EXTENDED @ AREA CODE312/866-2200 CABLE: SHUREMICRO SHEET RANGE SPEAKER SYSTEM

Strany 2 - '?

Sound from low-frequency speakers should be clean and free from buzzes or rattles which may indicate speaker failure. Replace any speakers f

Strany 3

2. Remove upper rear panel as described in Speak- er Servicing above. 3. Unsolder high-frequency driver assembly leads (black and green) from

Strany 4 - CAUTION

\SPEAKER CABINET CROSSOVER ASSEMBLY I SWITCH S1 el INDUCTOR ASSEMBLY L2 - - CONNECTOR ASSEMBLY PI FIGURE P. RKC149 COMPONENTS Table 1. Crossover

Strany 5

REPLACEMENT PARTS LIST (See Figures Q and R) *Parts listed as RKC Kits should be ordered by that number. Any orders received for piece parts

Strany 6 - BlAMPLlFlCATlON

REPLACEMENT PARTS LIST (Continued) 'Parts listed as RKC Kits should be ordered by that number. Any orders received for piece parts whe

Strany 7

FIGURE Q. 2063-6/595-5 PRINTED CIRCUIT BOARD PARTS LOCATION

Strany 8 - INSTRUCTIONS

ARCHITECTS' AND ENGINEERS' SPECIFICATIONS The Speaker System shall be an extended range, two-way speaker system designed for high

Strany 9

SPECIFICATIONS Power Rating (Program Material) Single Amplifier lnput..200 watts max. Low-Frequency lnput (Biamplification Mode)..200 watts ma

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r"":: r.~? (4- 3/8 IN.) FIGURE E. OVERALL DIMENSIONS CIRCUIT DESCRIPTION In conventional, full-range, single-amplifier opera- tion, i

Strany 11 - WARNING

-- - f 0 CAUTION . 3 covering a wide area, each SR108 should be posi- tioned so that its angle of coverage slightly overlaps that of

Strany 12 - Crossover

used as long as all low-frequency sections are in phase with one another and all high-frequency sections are in phase with one another.

Strany 13 - REPLACEMENT PARTS LIST

FIGURE L. RECOMMENDED WIRE GAUGE: 70-VOLT AMPLIFIER OUTPUT (USING A102A TRANSFORMER) audience, curtains or stage sets may cause inadvertent mov

Strany 14

Circuit Description Biamplified operation is accomplished by feeding separate high- and low-frequency signals from an external 2600 Hz

Strany 15 - 2063-6/595-5

apply. As in conventional full-range operation, the second HIGH and LOW FREQ lnput Jacks may be used for additional, parallel-connecte

Strany 16

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