Bosch EVF-1181S EVF-1181S-BLK User Manual

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WEATHER-RESISTANT 12" TWo-WAy FULL-RANGE LoUDSPEAkERS

•  Sx300 performance with enhanced weather-resistance
•  PIX version has multi-tap transformer 

for 70 or 100 V use

•  Ideal for installation, alone or in arrays
•  1.25" DH3/2010A titanium HF compression driver
•  65° x 65° Constant Directivity waveguide
•  Ring-Mode Decoupling (RMD) 

for increased intelligibility

•  Power handling: 300 W continuous, 1200 W peak
•  Neutrik Speakon (PI) or Phoenix (PIX) connectors
•  Trapezoidal enclosure of high-impact polypropylene 
•  Rubber feet and mating sockets for stacking
•  Integral handles, pole socket, suspension points
•  Available in black or white

The SX series includes some of the most popular 

loudspeaker designs in history. SX loudspeakers offer 

the tour-proven performance and reliability for which EV 

is known. A versatile range of speaker configurations and 

lightweight enclosures covers applications in commercial 

sound, pro music, club sound, and performance and 

sports venues. In live performance, the SX line can handle 

tasks, such as front-of-house, side fills, delay lines or 

stage monitors. For installed sound, easy mounting and 

multiple weather-ready versions provide flexible system 

configuration for both indoor and outdoor venues. With high 

power-handling, great coverage, and smooth, consistent 

frequency response, cost-effective SX loudspeakers are 

the hard-working, easy-setup solution to your installation 

and portable system needs.

12" TWo-WAy FULL-RANGE LoUDSPEAkER

•  Compact, portable sound reinforcement
•  Designed for use alone or in arrays
•  Cast-frame DL12bFH woofer
•  1.25" DH3/2010A titanium HF compression driver
•  65° x 65° Constant Directivity waveguide
•  Ring-Mode Decoupling (RMD) 

for increased intelligibility

•  Power handling: 300 W continuous, 1200 W peak
•  Dual Neutrik Speakon high-current connectors
•  Trapezoidal black or white polypropylene enclosure
•  Rubber feet and mating sockets for stacking
•  Integral handles, pole mount

Sx300 (all)

Sx600 (all)

SB122 

Frequency Range (-10 dB)

50 Hz – 20 kHz

70 Hz – 16 kHz

43–200 Hz

Recommended High-Pass Frequency

—

90 Hz

40 Hz (12 dB/octave)

Axial Sensitivity, Biamp (SPL, 1 W @ 1 m)

99 dB

105 dB

99 dB (half space)

Max. SPL @ 1 m (calc.), full space

Low Z: 131 dB

100V: 123 dB

139 dB

131 dB (half space)

Power Handling (Long-term, Short-term), Low Z

300, 1200 W

600, 2400 W

400, 1600 W

Coverage (nominal -6 dB) H x V

65° x 65° (Const. Dir. waveguide)

65° x 65° (Const. Dir. waveguide)

 Omnidirectional

Directivity Index (800–16,000 Hz)

11.1 dB (+2.4/-4.1 dB)

11.3 dB

—

LF Transducers

12" DL12BFH

12" DL12BFH (LF), 

12" ND12A (MB)

12" EVS12SB

HF Transducer

1.25" DH3/2010A

2" DH2T

—

Crossover Frequencies

1,500 Hz

1,800 Hz

80–160 Hz

Nominal Impedance (non-transformer)

8 Ω

4 Ω

8 Ω

Minimum Impedance (non-transformer)

5.0 Ω

3.5 Ω

6.0 Ω

Input Connections

2 four-pin Speakon

SJO cable/gland nut

2 four-pin Speakon

Dimensions (H x W at front x D)

23.07" x 16.89" x 12.28" (586 x 429 x 312 mm) 45.79" x 16.89" x 12.28" (1163 x 429 x 312 mm)

23.07" x 16.89" x 12.28" (586 x 429 x 312 mm)

Net Weight

31.97 lb (14.5 kg)

PIX: 39.0 lb (17.7 kg)

80 lb (36.3 kg)

33 lb (14.6 kg)

See page 50 for Sx300 and Sb122 Rigging and Accessories.

WEATHER-RESISTANT DUAL-ELEMENT FULL-RANGE LINE ARRAy

•  High output with exceptional outdoor performance
•  Ideal for arenas, stadiums and race tracks
•  600 W multi-tap transformer (PIX 

only) for 70 or 100 V use

•  High intelligibility at high SPL (139 db max)
•  Cast-frame 12" DL12bFH woofer
•  Neodymium-based 12" ND12A mid-driver
•  2" DH2T titanium HF compression driver

•  65° x 65° Constant Directivity waveguide
•  Very high sensitivity (105 db 1 W / 1 m)
•  Power handling: 600 W continuous, 2400 W peak
•  Lightweight trapezoidal polypropylene enclosure
•  SuperSAM mounting system 

adjusts 60° V and 180° H

CoMPACT 12" SUbWooFER

•  Sb122 performance with enhanced 

weather-resistance

•  Low-pass filter for parallel connection 

without added amp

•  Large vent for enhanced LF output
•  Cast-frame EVS12Sb long-excursion woofer
•  Power handling: 400 W continuous, 1600 W peak

•  Parallel Neutrik Speakon high 

current input connectors

•  Strong, composite trapezoidal enclosure
•  Pole mount on top for pairing with ZX1
•  Integral handle
•  Available in black