Model 750

Foreword

With all the pressures in life to get things done faster, work more hours, finish one job so you can get on to the next, it’s rare to get a chance to try and do something really “right.” That’s what Studio Technologies’ attempted to do with the Model 750 Audio Mixer. The goal was simple, to make a great audio mixer for ENG, SNG, and mobile broadcast appli- cations. By great we meant not just meeting specifications or price issues, but to address the real needs of personnel out in the field. And not only to meet their immediate needs, but to provide resources that they can adopt and use in the future. While getting some- thing “perfect” is impossible, I can say that I'm very pleased with how the product turned out, and hope that you share my enthusiasm. I think that you'll find the Model 750 a plea- sure to use, providing the resources required for efficient, easy-to-use, day-after-day operation.

A special thanks to Tony Raven, Chief Engineer at Shook Electronics USA. It was Tony who suggested that Studio Technologies’ create an audio mixer for mobile broadcast applications. He supported his idea by spending many hours with me on the telephone, reviewing lists of features, making comments, and keeping us focused on meeting the needs of field personnel. Thanks again Tony!

Many other broadcast professionals contributed their time, expertise, and good ideas to help make the Model 750 what it is. Without their help the unit would definitely not be as “finely tuned” as it is. Thanks to you all!

Many people at Studio Technologies contributed toward making the Model 750 a reality. Fred Roeck did the mechanical design and prepared the production documentation. Carrie Loving designed the graphics and provided engineering CAD support. Al Lux de- signed the printed circuit boards. Mitch Budniak, Ace Consulting Engineer, designed the power supply and did several overall “reality” reviews. Jim Cunningham, with assistance from Gary Hebert at THAT Corporation, designed the limiter/compressor circuit. Joe Urbanczyk designed the computerized test routines for the Audio Precision System One and worked on agency approvals. Larry Leviton wrote the software that drives the itty-bitty micro-controller in the Setup section—800 bytes in C! Minas Serbekian and his crew built the prototype units, ensuring that the final design was "manufacturable."

Please contact me with your questions, comments, and suggestions. I can be reached by voice at (847) 676-9177, fax at (847) 982-0747, or via the Internet @ www.studio-tech.com.

Sincerely,

Gordon Kapes

President

Model 750 User Guide

Issue 3, May 1997

Studio Technologies, Inc.

Page 5

Page 3
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Fostex 750 manual Foreword

750 specifications

The Fostex 750 is a premium closed-back headphone that has garnered attention for its combination of advanced technology, comfort, and sound fidelity. Designed primarily for studio applications, the Fostex 750 delivers an exceptional listening experience that caters to both professionals and audiophiles alike.

One of the main features of the Fostex 750 is its dynamic driver technology. The headphones are equipped with large 50mm titanium-coated drivers that provide a powerful and clear sound reproduction. This driver configuration is engineered to deliver a wide frequency response, ranging from deep bass to sparkling highs, ensuring that every detail of the audio is captured. With an impedance of 25 Ohms, the headphones are highly efficient and can be easily driven by a variety of devices, including portable music players and digital audio converters.

Comfort is another highlight of the Fostex 750. The headphones feature plush ear pads made from soft polyurethane, which provide excellent cushioning for extended listening sessions. The adjustable headband offers a customizable fit, allowing users to achieve an optimal acoustic seal that enhances sound isolation. This is particularly beneficial in studio environments, where external noise can interfere with critical listening.

In terms of build quality, the Fostex 750 boasts a robust yet lightweight design. The combination of high-quality plastics and metal components contributes to its durability, while the foldable structure makes it portable and convenient for travel. This practicality is further enhanced by the detachable cable, which allows for easy replacement in case of wear.

Another notable technology integrated into the Fostex 750 is the use of new acoustic engineering principles. These headphones feature a closed-back design that minimizes sound leakage and provides an immersive listening experience. This design is complemented by the innovative bass reflex system, which enhances low-end response without compromising clarity in other frequency ranges.

Overall, the Fostex 750 is an impressive headphone that combines advanced sound technology, comfort, and durability. Its dynamic drivers, ergonomic design, and acoustic engineering make it an ideal choice for both professional monitoring and casual listening. Whether you are mixing in a studio or enjoying music on the go, the Fostex 750 delivers an unmatched audio experience that is sure to satisfy even the most discerning listeners.