Specifications
General
Power Requirements
Phantom Power: +24VDC nominal, 75mA
Local Power: +12 to +15VDC, 500mA Dimensions
See Dimensions Drawings (Figure 11 on page 19) Environmental Requirements
Storage:
Operating:
Dynamic-mic Headset/Handset
Microphones
50 to 200 Ohms, dynamic (balanced or unbalanced)
Headphones
150 to 600 Ohm, monaural
Connector Type:
Pin 1 - Microphone Low
Pin 2 - Microphone High
Pin 3 - Headphone High
Pin 4 - Headphone Low
Panel Microphone
2.2k Ohms, electret (44mV nominal), Omnidirectional
Gooseneck Microphone
Connector Type: 1/4” Threaded TRS, 5k Ohms, electret (44mV nominal)
Tip | Microphone High (+12VDC) |
Ring | Common |
Sleeve | Common |
Compatible with
Intercom Channels, Balanced Mode (SW1 set to BAL position)
Output Level
1VRMS nominal
Input Impedance
300Ohms
Bridging Impedance greater than 5k Ohms
Sidetone
20dB adjustable range Call Signaling
Send
20kHz ±100Hz, 0.5VRMS ±10% Receive
20kHz ±800Hz, 100mVRMS Mic Kill Detect Frequency
24kHz ±800Hz, 100mVRMS Noise Contribution
less than
greater than 50dB
Connector Type:
Pin 2 - Local power (+12 to +15VDC), if needed Pin 3 - Intercom CH1 audio low and +24VDC power Pin 4 - Intercom CH1 audio high and +24VDC power Pin 5 - Intercom CH2 audio low and +24VDC power Pin 6 - Intercom CH2 audio high and +24VDC power
Intercom Channels, Unbalanced Mode (SW1 set to UNBAL position)
Output Level
0.70VRMS ±10%
Input Impedance
200Ohms
Bridging Impedance greater than 10k ohms
Sidetone
Connector Type:
Pin 1 - Ground
Pin 2 - +30VDC
Pin 3 - CH B Intercom
Pin 4 - CH A Intercom
Pin 5 - NC
Pin 6 - NC
Speaker Output Power
4W max @ 8 Ohms
18
