Fostex 750 manual Model

Page 29

Model 750

and headphone output. Acting as a trusty assistant, the monitor section allows visual and aural monitoring of a variety of sig- nals, without effecting the main and AUX audio buses. Understanding and becom- ing comfortable with using the monitor section is crucial to obtaining optimal Model 750 performance.

Source Selection Buttons

The core of the monitor section are the six monitor source buttons. The six buttons allow one or more of the audio sources to be selected for monitoring. A review of the sources may prove helpful:

•Main—Stereo This selects the left and right channels of the main audio bus as the monitor source; left channel is routed to the left channel of the monitor section, right channel to the right chan- nel. This selection is appropriate when stereo program audio is present on the main bus, or when independent signals present on the left and right channels of the main bus need to be simultaneously monitored.

•Main—Left This selects the left channel of the main audio bus as the monitor source. The left channel is routed to both the left and right channels of the monitor section. This allows a single- channel monaural program feed, or the left channel of a two-channel “split- feed,” to be monitored. (An example of a “split-feed” is where the left channel of the main bus is handling audio for network 1, while the right channel of the main bus is handling audio for network 2.)

•Main—Right This selects the right channel of the main audio bus as the monitor source. The right channel is

routed to both the left and right chan- nels of the monitor section. This allows

a single-channel monaural program feed, or the right channel of a two- channel “split-feed,” to be monitored.

•AUX This selects the left and right channels of the AUX audio bus as the monitor source; left channel is routed to the left channel of the monitor section, right channel to the right channel. This selection is appropriate when stereo program audio is present on the AUX bus, or when independent signals present on the left and right channels of the AUX bus need to be simultaneously monitored.

•EXT 1 This button selects external monitor input 1 as the monitor source; left input channel is routed to the left channel of the monitor section, right channel to the right channel. If the external source is monaural, and has been connected only to the jack labeled L/MONO, the signal will automatically be routed to both the left and right monitor channels. This allows a monau- ral signal to be monitored over both the left and right channels, a method that, while really 2-channel monaural (binau- ral), is comfortable and reassuring for many people.

•EXT 2 This button selects external monitor input 2 as the monitor source. It’s similar to EXT 1, with the exception that its input level sensitivity is config- urable using configuration DIP switch 8. Should you find the level of EXT 2 to be significantly louder or softer when compared to the other monitor sources, configuration DIP switch 8 should be checked.

Issue 3, May 1997

Model 750 User Guide

Page 32

Studio Technologies, Inc.

Page 28 Page 30
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Page 28 Page 30
Contents Model Table of Contents Foreword What This User Guide Covers IntroductionSystem Features Model Installation Mounting Locating the UnitAudio Inputs and Outputs Mic/Line InputsMain Outputs Stereo Line InputsAUX Output Configurable OutputsSetup Direct Output Monitor Output External Monitor InputsRecord/Talk Back External Audio Input Connecting AC Mains PowerConfiguration Model External Record/TB Audio Source VU Meter Calibration Model REC/TB Audio Source EXT / INT Configuration DIP SwitchesREC L ONLY/R only Disable / Enable Operation Model Model Detail of front panel showing setup section Setup Functions Model Model Detail of front panel showing master output section Master OutputDetail of front panel showing monitor section Monitor SectionModel Model Model Practical Operating Tips Technical Notes Model Specifications LED Appendix A-1. Basic Multi-Tone Sequence Appendix A-2. Advanced Multi-Tone Sequence Page Page Page Page Page

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.
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