REC L ONLY/R only Disable / Enable

Model 750

3. REC L ONLY/R ONLY: DISABLE ▼ / ENABLE ▲

This switch selects whether the setup section’s L Only and R Only voice segments can be re- corded. In the down position recording cannot take place. In the up position recording can take place.

This feature can prove useful where “semi- permanent” L Only and R Only voice segments need to be recorded. By placing the switch to the down position, the L+R voice segment cannot be changed.

4. SINGLE TONE: 400HZ ▼ / 1KHZ ▲

This switch selects whether the setup section’s single tone feature will generate a 400Hz or a 1kHz sine wave signal. In the down position 400Hz will be generated. In the up position 1kHz will be generated.

5:MULTI-TONE SEQUENCE: BASIC ▼ / ADVANCED ▲

This switch selects whether the setup section’s multi-tone feature will generate a basic or an advanced sequence of tones. In the down position the basic sequence will be generated. In the up position the advanced sequence will be gener- ated. Refer to appendices A-1 and A-2 for detailed descriptions of the tone sequences.

6: AUX INT SPEAKER: NO ▼ / YES ▲

This switch selects whether the AUX audio bus will automatically be selected as the audio source for the monitor speaker whenever an input channel or the setup section is assigned to the AUX bus. In the down position a signal assigned to the AUX bus will not impact the monitor speaker output. In the up position any signal assigned to the AUX bus will automatically be connected to the monitor speaker output. Also, if the VU meter source button is set to follow the monitor section, the AUX bus signals will automatically be connected to the VU meters whenever AUX interrupt is active.

7. AUX INT PHONES: NO ▼ / YES ▲

This switch selects whether the AUX audio bus will automatically be selected as the audio source for the headphone output whenever an input channel or the setup section is assigned to the AUX bus. In the down position a signal assigned to the AUX bus will not impact the headphone output. In the up position any signal assigned to the AUX bus will automatically be connected to the headphone

output. Also, if the VU meter source button is set to follow the monitor section, the AUX bus signals will automatically be connected to the VU meters whenever AUX interrupt is active.

8. EXT 2 INPUT LEVEL: –10 ▼ / +4 ▲

This switch is used to select the nominal input level of external monitor input 2. In the down position the nominal input level is –10dBu. In the up position the nominal input level is +4dBu.

Figure 9. Detail of front panel showing mic/ line input channel (typical of 4)

Issue 3, May 1997	Model 750 User Guide
Page 22	Studio Technologies, Inc.

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.