1

9

 

5

 

 

CHANNEL 8

RF POWER: H IGH

 

 

UNBALANCED 888 dB

6

 

-10 -5 0

+3 +6

 

2

 

AUDIO LEVEL

 

 

 

BALANCED

 

7

 

 

 

AUDIO LEVEL 888 dB

 

 

 

 

 

AUDIO LEVEL

MIC 600W

70V

 

 

FREQ. 88.8

MHz ED R

 

 

 

 

 

 

3

4

 

8

 

1.

Channel Indicator

 

6. Unbalanced Audio Level

2.

Audio Input Meter

 

7. Balanced Audio Level

3.

Frequency Indicator

 

8. Balanced Input Selection

4.

Enhanced Dynamic Range Model Indicator

 

9. Lock Out Indicator

 

5. RF Transmit Power (High when lit, Norm when not)

 

Figure 5

 

LCD Display Functions

 

ST-300 Specifications

Audio Input:

Balanced Female XLR

Mic Selected

2K ohm input impedance/0.5 mV-70 mV input range

600Ω Selected

300K ohm input impedance/70 mV-7 Volt input range

70 Volt Line Selected

150K ohm input impedance 7 V-70 V input range

Unbalanced Audio Input

10K Ω input impedance/10 mV-1.0 VRMS input range

RF Power Switch

80,000 µV/m at 3m in “Hi”, approx. 25,000 µV/m at 3m in “Low”

AGC Range

30 dB

Signal-to-noise Ratio:

 

Normal

58 dB

EDR Enabled

77 dB

Pre-Emphasis

115μS

Maximum Deviation

±25 kHz

Frequency Control Crystal

+/-.005% tolerance

Available Frequencies

See Table 1, page 2

Max. Transmitter Output Power

80 mV/m at 3m

Power Requirements

12-15V, AC or DC @ 300 mA

Dimensions

7 ½"W x 1 3/4"H x 6 7/8"D

FCC ID

B5DM508

-7-

Page 9
Image 9
Telex SR-400, SR-50, ST300 operating instructions LCD Display Functions, ST-300 Specifications

ST300, SR-50, SR-400 specifications

Telex has established itself as a leader in professional communication equipment, known for its reliability and advanced technology. Notably, the Telex SR-400, SR-50, and ST300 are celebrated products, each tailored to meet distinct communication needs in various environments, whether for broadcasting, events, or industrial applications.

The Telex SR-400 is a state-of-the-art belt pack intercom designed for clear, robust communication. It features a 4-channel configuration, allowing seamless connectivity with multiple users, making it perfect for live productions and large events. The device is lightweight and ergonomically designed for comfort during prolonged use. One standout feature of the SR-400 is its high-performance audio processing technology, providing crystal-clear voice quality, even in noisy environments. It also comes equipped with an integrated LED indicator for quickly checking battery levels, ensuring that communications remain uninterrupted.

Meanwhile, the Telex SR-50 serves as an essential companion in various communication settings, providing a reliable intercom solution. This model is known for its compact design and ease of use, featuring a straightforward interface that allows users to connect effortlessly. The SR-50 supports multiple channels, offering flexibility in communication by allowing simultaneous conversations. Its durability and high-quality construction make it suitable for rugged settings, from stage environments to industrial applications. The SR-50 also boasts advanced noise cancellation technology, which effectively filters out background noise, ensuring clarity in every message transmitted.

The Telex ST300 is an ingenious solution that combines transmission and reception capabilities in a single unit. This sophisticated device is particularly advantageous in professional broadcasting scenarios and event management, where instant communication is vital. The ST300 supports both wireless and wired connections, making it versatile for various setups. Its advanced encryption technology ensures secure communication, a critical requirement in sensitive environments. The ST300 is user-friendly, with intuitive controls that simplify operation, which is especially beneficial during high-pressure situations.

In summary, the Telex SR-400, SR-50, and ST300 represent the pinnacle of communication technology in their respective classes. Each model is equipped with features that enhance usability, reliability, and audio quality, making them indispensable tools for professionals who demand excellence in communication. Whether for event production, broadcasting, or industrial use, these devices stand out for their innovative technologies and robust performance, solidifying Telex's reputation in the industry.