Meyer Sound DS-2 ユーザーズマニュアル

The mid-bass loudspeaker system shall

be of the folded-horn type with two 15"

cone loudspeakers in symmetrical compres-

sion chambers. The drivers shall be se-

curely mounted in the trapezoidal hard-

wood-plywood enclosure, and the loud-

speaker shall operate with a companion

Control Electronics Unit.

The Control Electronics Unit shall con-

tain a power supply capable of operating

from a 100-120/200-240V AC, 50/60 Hz

line, electronic crossover circuitry, RMS

limiters which protect the speakers from

overheating, true excursion limiters to pro-

tect the speakers from excessive excursion,

equalization circuitry, active balanced in-

put, indicator LED’s for power on and lim-

iters. A separate, switch-defeatable sub-

woofer output having switchable polarity

shall be provided. Total harmonic distor-

tion shall be less than 0.1%. The protection

limiters shall be controlled by sensing con-

nections to the power amplifier output, and

the Control Electronics Unit shall accom-

modate four separate amplifiers having dif-

fering gains and/or power ratings, with ana-

log OR circuitry to track the amplifier with

greatest output swing. “A” weighted noise

level shall be at least 90 dB below maxi-

mum rated output of +26 dBu.

Two speaker systems, when combined

with the Control Electronics Unit and a

power amplifier rated at 600 watts into

4␣ohms, shall meet the following criteria:

Frequency response, 50 to 160 Hz plus or

minus 3 dB measured with 

1

⁄

3

 octave noise,

136 dB SPL of continuous pink noise out-

put at 1 meter and peaks of 148 dB SPL.

Speaker enclosure dimensions shall be

21

1

⁄

4 

W x 56

3

⁄

4

" H x 30" D, weight 250 lbs

(113.6 kg).

Control Electronics Unit dimensions

shall be 19" W x 1

3

⁄

4

" H x 7

3

⁄

4

" D, weight      8

lbs (3.6 kg).

The horn loudspeaker system shall

be the Meyer Sound DS-2. The Control

Electronics Unit shall be the Meyer

Sound D-2.

Meyer Sound Laboratories, Inc.
2832 San Pablo Avenue
Berkeley, CA 94702
(510) 486-1166
FAX (510) 486-8356

© 1989 Meyer Sound                    04.058.016.01A