US SERIES AMPLIFIERS

THE BEAUTY OF POWER

SPECIFICATIONS

 

 

 

 

 

uS-1200

 

 

US-1800

 

 

US-3000

 

 

 

US-4000

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Rated Output Power

 

Stereo

 

Both ChannelS Driven @ 1kHz, 1%THD

 

 

 

 

 

 

 

 

8 Ohms

 

210 watts

 

 

300 watts

500 watts

 

 

 

700 watts

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4 Ohms

 

330 watts

 

 

475 watts

800 watts

 

 

 

1100 watts

 

2 Ohms

 

430 watts

 

 

700 watts

1200 watts

 

 

 

1600 watts

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Rated Output Power

 

 

 

Bridged Mono @ 1kHz, 1%THD

 

 

 

 

 

8 Ohms

 

650 watts

 

 

950 watts

 

 

1600 watts

 

 

 

2200 watts

 

 

4 Ohms

 

850 watts

 

 

1400 watts

 

 

2400 watts

 

 

 

3200 watts

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Input Sensitivity

 

1.23 Vrms (+4 dBu) for full power @ 4 Ohms

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Input Impedance

 

30K ohms Balanced/15K ohms Unbalanced

 

 

 

 

 

Frequency Response

 

0/-0.5dB: 20Hz - 20kHz; 0/-3dB: 5Hz - 60kHz

 

 

 

 

 

Signal to Noise Ratio

 

Better than 100dB (20Hz - 20kHz)

 

 

 

 

 

 

 

 

 

 

Distortion (SMPTE-IM)

 

Less than 0.03%

 

 

 

 

 

 

 

 

 

 

Output Circuitry

 

AB

 

 

AB

 

 

H

 

 

 

H

 

 

Cooling

 

Continuosly variable speed fan, front to rear

 

 

 

 

 

Protection

 

Short circuit, thermal, current limit, dc offset, AC current inrush,

 

 

 

 

 

 

RF protection, subsonic, turn on/off muting

 

 

 

 

 

 

Connectors

 

Input: Combo female XLR & 1/4” TRS

jack. Link: Male XLR

 

 

 

 

 

 

 

 

 

Output: Both 5-way biding post and SpeakonTM

 

 

 

 

 

 

Controls

 

Front: Power on/off switch, volume controls for each channel

 

 

 

 

 

 

 

 

 

Rear: Mode switch (stereo / parallel / bridge), HPF on/off,

 

 

 

 

 

 

 

 

 

limiter on/off

 

(US3000/4000)

 

 

 

 

 

 

 

 

 

 

Indicator

 

Power, parallel, bridge. Each channel: Signal, -20dB, -10dB, clip, protect

 

Power Requirements

 

115/230V 60/50Hz factory configured

 

 

 

 

AC current consumption

 

Both channels driven at 4 Ohm load, at 115Vac (for 230V divide by 2)

 

Typical level,

 

4.5A

 

 

6.3A

 

7A

 

9.6A

 

1/8 power pink noise

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Severe level,

 

7A

 

 

9.6A

 

14.8A

 

19.8A

 

1/3 power pink noise

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Dimensions (W x H x D)

 

19” (482mm) x

3.5” (88mm) x 17.2” (438mm)

 

 

 

 

Net Weight

 

28lb (13kg)

 

 

35lb (16kg)

 

43lb (19kg)

 

49lb (22.3kg)

 

 

* Specifications are subject to change without notice.

20 B-52 US Series Professional Power Amplifiers - Instruction Manual

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ETI Sound Systems, INC owner manual Specifications, US-1200 US-1800 US-3000 US-4000

US-3000, US-4000, US-1800, US-1200 specifications

ETI Sound Systems, INC offers a range of powerful audio solutions designed to meet various sound reinforcement needs. Among their prominent offerings are the US-1200, US-1800, US-3000, and US-4000 models. Each model showcases a blend of advanced technologies and robust characteristics aimed at delivering high-quality sound.

The US-1200 is an entry-level model that makes waves in the audio landscape with its compact design and impressive performance. It features a lightweight cabinet, making it easy to transport and set up for events. The system delivers 1200 watts of peak power, ensuring clear and powerful sound reproduction. It includes a built-in amplifier, meaning users can connect their sound sources directly without needing additional equipment. The US-1200's integrated protection circuitry prevents damage from overloads, ensuring longevity and reliability.

Moving up the line, the US-1800 offers enhanced capabilities, boasting an output of 1800 watts. This model incorporates advanced digital signal processing, allowing for tailored sound adjustments to suit various environments. It features Bluetooth connectivity for wireless audio streaming, providing users the flexibility to play music from devices without the complications of cables. The US-1800 is ideal for mobile DJs and small venues looking for a powerful yet portable solution.

The US-3000 brings even greater power and sophistication to the table with 3000 watts of peak performance. It features advanced crossover technologies, optimizing the sound output across different frequency ranges. This model is designed for larger events, ensuring that every corner of the venue can experience high-quality audio. With multiple input options, including XLR and RCA, the US-3000 can accommodate various audio sources, making it a versatile choice for professional setups.

Lastly, the US-4000 stands as the flagship model in the ETI lineup. It boasts an astonishing 4000 watts of peak power and features cutting-edge audio processing technology. This powerhouse is equipped with a sophisticated feedback elimination system, ensuring clarity even at high volumes. The US-4000 is designed for large-scale events and professional installations, providing unparalleled reliability and sound quality. Its rugged construction is built to withstand the rigors of touring and extensive use.

In summary, ETI Sound Systems, INC has curated a diverse lineup with the US-1200, US-1800, US-3000, and US-4000, catering to different audio needs while incorporating advanced technologies that ensure exceptional sound quality and performance.