Specifications

ManualsBrandsShure ManualsAmplifierSR105

ARCHITECTS' AND ENGINEERS'

SPECIFICATIONS

SR102 Speaker

Column

The Speaker Column shall be a portable speaker

column designed for sound reinforcement applications.

The Column shall utilize two 10-inch and four 8-inch

cone-type speakers with a total speaker cone area of

1419

cm? (220 in2), and two high-frequency horn-type

speakers. Pressure sensitivity of the Column shall be

an EIA rating of 53 dB at

9.2m (30 feet) from 1 milli-

watt (equivalent to 101 dB at 1.2111-4 feet-with a

I-watt input).

The sound power distribution shall be nominally

uniform over a 1400 angle in the horizontal plane and

65O angle in the vertical plane. The Column enclo-

sure shall be acoustically rear-ported to provide a

feedback-minimizing, horizontal polarization pattern.

The usable frequency response of the Column shall

be uniform and peak-free from 100 Hz to 15,000 Hz

when driven by a constant-voltage amplifier.

The continuous power rating of the Column shall

be 100 watts maximum and the nominal impedance

shall be 16 ohms when driven from a 40-volt source.

When driven from a constant-voltage 70.7-volt line,

the continuous power rating shall be 100 watts maxi-

mum and the nominal impedance shall be 64 ohms.

All eight speakers shall be mounted against the

front baffle of the Column. The top four speakers (one

10-inch, two

&inch and one high-frequency) shall be

wired with a 5 kHz crossover network in a series-

parallel configuration and connected to a six-terminal

barrier terminal strip and two phone jacks. The bottom

four speakers shall be wired in a similar manner. By

appropriate strapping on the terminal strip, the two

speaker networks shall be connected in parallel for a

25-volt line with a nominal impedance of 16 ohms,

or in series for a 70-volt line with a nominal impedance

of 64 ohms.

The speaker enclosure shall be 19 mm

(3h in.) wood

construction covered with black, scuff-resistant vinyl

and have edge-protecting, anodized, solid aluminum

front and side rails. The enclosure shall have a re-

tractile handle for portability and a cable storage com-

partment at the bottom. A plug-in 50-foot speaker cable

shall be supplied. The Column shall measure 1522 mm

in height (including feet), 354

mm in width, and 241 mm

in depth (59-15116 in.xl3-15/16 in. X9Vz in.) The

weight, including the supplied cable, shall be 32.62 kg

(72 Ib).

The operating temperature range of the Column

shall be

-6.7"C to 43°C (20°F to 110°F). The storage

temperature range shall be -29°C to 71°C (-20°F to

160°F). The Column shall meet all specifications when

operated within the operating temperature limits.

Any Speaker Column not meeting all of the above

specifications, or having a sealed cabinet which pre-

vents internal inspection and servicing, shall be

deemed unacceptable under this specification. The

Speaker Column shall be a Shure Model

SR102.

SR103 Speaker

Column

The Speaker Column shall be a speaker column

designed for indoor or outdoor use in sound reinforce-

ment applications. The Column shall utilize two 10-inch

and four 8-inch cone-type speakers with a total speak-

er cone area of 1419

cm"220 in2), and two high-fre-

quency horn-type speakers. Pressure sensitivity of the

Column shall be an EIA rating of 53 dB at

9.2m (30

feet) from

1 milliwatt (equivalent to 101 dB at 1.2m-

4 feet-with a 1-watt input).

The sound power distribution shall be nominally

uniform over a 140" angle in the horizontal plane and

65" angle in the vertical plane. The Column en-

closure shall be acoustically rear-ported to provide a

feedback-minimizing, horizontal polarization pattern.

The usable frequency response of the Column

shall be uniform and peak-free from 100 Hz to 15,000

Hz when driven by a constant-voltage amplifier.

The continuous power rating of the Column shall

be 100 watts maximum and the nominal impedance

shall be 16 ohms when driven from a 40-volt source.

When driven from a constant-voltage 70.7-volt line,

the continuous power rating shall be 100 watts maxi-

mum and

the nominal impedance shall be 64 ohms.

All eight speakers shall be mounted against the

front baffle of the Column. The top four speakers (one

10-inch, two 8-inch and one high-frequency) shall be

wired with a 5 kHz crossover network in a series-

parallel configuration and connected to a six-terminal

barrier terminal strip. The bottom four speakers shall

be wired in a similar manner. By appropriate strapping

of the terminal strip, the two speaker networks shall

be connected in parallel for a 25-volt line with a

nominal impedance of 16 ohms, or in series for a

70-volt line with a nominal impedance of 64 ohms.

The speaker enclosure shall be 19 mm

(3h in.) wood

construction covered with black, scuff-resistant vinyl

and have anodized, solid aluminum front rails. All sur-

faces (internal and external) and all components shall

be treated for weather resistance. The Column shall

measure 1513 mm in height, 352 mm in width, and

240 mm in depth (59-9116 in.

13% in.

9-7/16 in.).

The weight shall be 31.8 kg (70 Ib).