RTS BP-325 Manuel d'utilisateur télécharger pdf (Page 17)

CHAPTER 3

Specifications and Drawings

Specifications

Dimensions

5.00” High x 3.75” Wide x 2.05” Deep

(127mm x 96.3mm x 52.1mm)

Weight

0.5 pounds (225 grams)

Exterior

Polystyrene and polycarbonate mix; gray textured main body

Power Requirements

Input DC Voltage

=18 to +35 volts DC, operating; -200 to +36 volts DC

without damage

DC Current

Average talk + call light: 6 No Signal: 27 milliamperes.

Average talk (25 ohm headphones, 10dB below clipping): 43

0mA

Impedance Across Intercom Line

10,000 ohms typical

Ambient Temperature Range

Operating: 0°C to 50°C (32°F - 122°F)

Storage: -40°C to 125°C (-40°F to 257°F)

Noise Contribution to 200-Ohm Intercom Line

-75 dBu

Headphone Amplifier

Maximum Voltage Gain: 30dB

Frequency Response: 100 Hz to 8 kHz,

+/-3 dB

Headphone Impedance: 50 to 600 ohms

Output Power: 150 mW/50 ohms

Output Voltage Level: 8 volt peak-to-peak

Microphone Preamplifier

Maximum Voltage Gain: 54 dB

Frequency Response: 100 Hz to 8 kHz,

+/-3 dB

Input Impedance: 1,000 ohms, balanced

Limiter Range: 30 dB

Program Input

Maximum Input Level: +20 dBu

Nominal Input Level: -10 to +8 dBu

Frequency Response: 100 Hz to 12 kHz,

+/-3 dB

Monaural Dynamic-mic Headset Connector

XLR-4-31 receptacle (J13)

Pin 1 - Microphone low

Pin 2 - Microphone high

Pin 3 - Common

Pin 4 - Headphone high

Stereo Dynamic-mic Headset Connector

XLR-5-31 receptacle (J14)

Pin 1 - Microphone low

Pin 2 - Microphone high

Pin 3 - Common

Pin 4 - Headphone left high

Pin 5 - Headphone right high

Carbon-mic Headset Connector (J1) - 1/4 inch, 3-conductor

Phone Jack

Used for Headset

Tip - Carbon microphone

Ring - Headphone

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 27 28

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RTS BP-325 Manuel d'utilisateur Page 17

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