SPECIFICATIONS

Frequency response

± .3dBm 20 to 20KHz

 

± 3dBm 3 to 140KHz

Input impedance

1Meg Ohm balanced

Max. input level

+23dBm unbalanced

 

+28dBm balanced

Output impedance

112 Ohm balanced, ground

 

lifted

Max. output level

+22dBm unbalanced

 

+28dBm balanced

T.H.D.

.004% at 1kHz.

 

<.005% 20-20kHz

Rise time

3uSec

Phase shift

.5 degree at unity gain

Intermodulati on distortion

.007% at unity gain

Signal present t hreshold

-20dBm unbalanced

 

-l4dBm balanced

LED Clip Threshold

+l9dBm unbalanced

 

+25dBm balanced

Output signal ra nge level

-60 to + l8dBm

Equivalent Input Noise and Signal to Noise Ratio

Added noise of du al

+2dBm

channel mode

 

C.M.R. of inputs 20-20kHz >9OdBm

Range of headpho ne

-60 to +l8dBm

volume control

 

Isolation betw een outputs

>74dBm

Power Consumption

.15 Amps max. A.C.

@120VAC

.15 Amps max. A.C.

@230VAC

 

AC Dropout Voltage

+105 VAC @ l20VAC

 

+205 VAC @ 230VAC

Internal Mains Fuse

.25 Amps Slo-Blo 3AG

Size (Single Space Standard E.I.A. Spec)

19.0” (482.6mm) Width

6.0” (152.4mm) Depth

1.75” (44.45mm) Height

Shipping Weight

8.0 lbs (3.63kg)

Unit Weight

6.5 lbs (2.95kg)

whirlwind / U.S. Audio

99 Ling Road Rochester NY 14612

800733-9473 585 663-8820 585 865-8930 Fax www.whirlwindusa.com

Page 4
Image 4
Whirlwind DA-2 manual Specifications, Equivalent Input Noise and Signal to Noise Ratio

DA-2 specifications

The Whirlwind DA-2, an innovative audio distribution amplifier, has become a staple in professional audio environments due to its exceptional performance and versatile features. Designed for studio, live sound, and broadcast applications, the DA-2 is built to manage audio signals efficiently and deliver impeccable sound quality.

One of the key features of the Whirlwind DA-2 is its two-channel operation, which allows users to connect multiple audio sources while maintaining signal integrity. Each channel is equipped with a robust input section, capable of handling balanced and unbalanced signals. The DA-2 can accept a wide range of input levels, making it compatible with various audio equipment including microphones, instruments, and line-level sources.

The distribution capabilities of the DA-2 are marked by its high-output levels. The unit can drive multiple outputs without signal degradation, ensuring that all connected devices receive a clear and powerful audio signal. This is achieved through its high-quality signal processing technology, which includes low-noise components and precision engineering.

Another standout characteristic of the Whirlwind DA-2 is its rugged construction. Built to withstand the rigors of both touring and fixed installations, the DA-2 features a durable metal chassis designed for maximum reliability. Its straightforward interface, complete with illuminated controls and LED signal indicators, ensures ease of use, even in low-light conditions.

The DA-2 also boasts an impressive frequency response, providing a flat frequency curve from 20 Hz to 20 kHz. This feature is crucial for professional applications, where accurate audio reproduction is paramount. Additionally, the device is designed to minimize distortion and maintain dynamic range, enhancing the overall listening experience.

Flexibility is further enhanced by the DA-2's ability to accommodate various power configurations. With the option of running on standard AC power or using battery packs for portable setups, it meets the needs of audio engineers in diverse environments.

In conclusion, the Whirlwind DA-2 stands out as a formidable tool in the audio distribution landscape. With its powerful performance, rugged build, and user-friendly design, it continues to be a top choice for professionals demanding high quality and reliability in their audio systems. Whether in the studio or on stage, the DA-2 proves its worth time and again, making it an essential component of any serious audio setup.