Meyer Sound USM-1 Manual Do Utilizador

Acoustical – USM-1/S-1 System
Frequency Response

1

40-18k Hz +4 dB

Maximum SPL

2

Continuous

130 dB

Peak

139 dB

Maximum Peak (Music Signal)

144 dB

HF Coverage, -6dB points

70

°

 horizontal x 60

°

 vertical

Acoustical Crossover Frequency

900 Hz

USM-1 Loudspeaker
Transducers

Low Frequency

MS-15  15-inch cone driver, 12 ohms

High Frequency

MS-2001A 2-inch throat compression driver, 8 ohms

High Frequency Horn

70 degree modified radial

HF Network

DC blocking capacitor

Enclosure

2.3 cu. ft. vented, multi-ply Finnish birch

Finish

Black textured

Protective Grill

Hex perforated metal, powder coated, charcoal-
grey foam covering

Connector

EP-4 male, EP-5 male (Europe only)

Rigging (optional)

Aircraft pan fittings or 

3

⁄

8

"-16 or M10 x 1.5 nut plates

Physical Dimensions

21" W x 24

1

⁄

4

" H x 18

1

⁄

4

" D

Weight

82 lbs. (37.3 kg)

S-1 Control Electronics Unit
Input Type

3

Active balanced ISO™ input, 10k ohms, 5k ohms per leg

Output Type

Active push-pull, will drive 600 ohms

Maximum Input/Output Level

Balanced

+26 dBu

Unbalanced

+20 dBu

Hum and Noise

4

-90 dBV

Dynamic Range

>110 dB

Sense Inputs

100k ohms true differential

Low-Frequency Delay Type

Active all-pass

Driver Protection Circuitry

Low Frequency

RMS limiter and excursion limiter

High Frequency

RMS limiter and excursion limiter
VHF Peak limiter

Indicators

Sense/Gain Detect, Hi and Lo

Green/Red LEDs

Limit, Hi, Lo, and VHF

Red LEDs

Safe

Green LED

Power Supply

Green/Red LED

Controls

Front Panel

Input attenuator, AC power switch

Preset Panel

Lo Cut switch, Safe switch, VHF switch, VHF control

Connectors

Balanced Inputs/Outputs

3-pin XLR (A-3)

Sense Inputs

Banana jacks

Power

90-105/180-250 VAC, 50/60 Hz (rear-panel switchable)

Physical Dimensions

19" W x 1

3

⁄

4

" H x 7

3

⁄

4

" D standard rack mount

Weight

8 lbs. (3.6 kg)

≈

±