Studio Technologies has released the Model 742A Audio Mixer, dual-audio-bus mixer designed for use in electronic newsgathering, small-scale production trucks and utility applications. An update to the Model 742, the new mixer adds features, and improves performance and reliability.

Studio Technologies Model 742A Audio MixerThe 742A offers four mic/line inputs with 48V phantom power, four dedicated line-level inputs, two main and two monitor output buses. Also provided are LED level metering, flexible monitoring and AC/DC powering. The Model 742A is not a ‘stereo’ mixer, but can create two independent monaural signals, making it suited for general on-air tasks as well as signal monitoring, talent cueing and intercom support.

‘The Model 742A Audio Mixer was developed for the efficient support of both fixed and mobile audio production situations,’ says Studio Technologies President, Gordon Kapes. ‘We are continuously speaking with audio professionals out in the field regarding the equipment and features they need to streamline production workflow. The Model 742A Audio Mixer is our response to their feedback.’

News gathering (ENG) operations in a fast-paced environment require a combination of simplicity and high-quality performance. Each mic/line input channel is equipped with an input sensitivity button, rotary level control, signal level status LED and output bus assignment switch. To support condenser microphones, the four mic/line inputs can be individually configured to supply 48V phantom power. The four dedicated line-level inputs include a rotary level control, level status LED and output bus assignment switch. The compressor circuits associated with the two output buses can be configured to operate from one of three modes: a factory-set 6dB above the main outputs’ nominal +4dBu operating level, 2dB above the nominal level or a settings where the compressors are turned off.

The 742A delivers a frequency response of 20Hz-20kHz, ±0.5dB (mic/line in to main outs) with a THD+N distortion level of 0.03 per cent. It has a signal-to-noise ratio of 74dB, referenced to +4dBu output and offers plenty of headroom with a maximum output of +26dBu into 10kΩ, +25dBu into 600Ω.

The mixer provides several internal configuration ‘jumpers,’ which allow its performance to be tailored to the needs of specific installations. The mixer’s enclosure is comprised of lightweight, durable aluminum, with a steel front panel to increase overall rigidity and rack-mounting stability.

The Model 742A allows an input voltage range from 100V-240V, 50/60Hz, for use worldwide. To add additional flexibility, the Model 742A can be powered by a DC source of 10V-18V. This allows operation under battery power or, when used in conjunction with an AC mains source, can create a redundant power installation.

More: www.studio-tech.com

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