Clear-Com RM-702 is a single rack-space, two-channel station is powered by the intercom line. Operator can talk and/or listen on either or both channels.
Accepts line-level audio program input via DB-15 Connector, with both channels programmable for interrupt. Microphone limiting and speaker "dipping" circuit for greater output before feedback.
Caractéristiques
Selectable one- or two-channel communication
Individual listen volume controls
Momentary/latching talk buttons
Individual call buttons
Visual call signaling
Balanced audio input with program interrupt (IFB)
"Hot mic" and line-level outputs
Studio announce output with relay
Optional plug-in gooseneck mic
Wide-range high-output speaker
One rack space
LED buttons for talk, call, announce, link, all talk, and mic on
Spécifications
Panel Microphone Input
Input Type : Electret
Input Impedance: >=2K
Mic Limiter Threshold: 0dBu ±3dB
Mic Limiter Range: >= 20dB
Headset Microphone Input
Input Type: Dynamic
Input Impedance: >= 1K
Mic Limiter Threshold: 0dBu ± 3dB
Mic Limiter Range: >= 15dB
Program Line Input
Maximum Level before Clipping: >= 20dBu
Input Impedance: >= 5K
Headset Output
Load Impedance: >= 8
Output Impedance: <= 25
Output Limiter Threshold: +5dBu ± 3dB
Maximum Output Level before Distortion: >= 17dBu
Speaker Output
Load Impedance: >= 4
Max Output Level before 1% Distortion: 20dBu ± 2dBu
Party-line Output
Off Noise: < -74dBu
Output Impedance: >10K
Party-line Input
Crosstalk: < -60dB
Max level before Clipping: >= 12dBu
Sidetone Null Capability: > 25dB
Stage Announce/Balanced Line Out
Type: Balanced
Output Impedance: >= 200
Load Impedance: >= 600
IFB/Hot Mic
Type: Unbalanced
Output Impedance: 180
Load Impedance: >= 600
Frequency Response
Panel Mic - Party-line: 600 - 10KHz ± 3dB
Headset Mic - Party-line: 200 - 12KHz ± 3dB
Headset Mic - Line Out: 200 - 12KHz ± 3dB
Program Input - Party-line: 100 - 17KHz ± 3dB
Program Input - Headset Out: 200 - 10KHz ± 3dB
Program Input - Speaker Out: 300 - 10KHz ± 3dB
Party-line - Headset Out: 200 - 10KHz ± 3dB
Party-line - Speaker Out: 300 - 10KHz ± 3dB
Max Distortion
Panel Mic - Party-line: <= 0.5%
Headset Mic - Party-line: <= 0.5%
Headset Mic - Line Out: <= 0.5%
Program Input - Party-line: <= 0.2%
Program Input - Headset Out: <= 0.2%
Program Input - Speaker Out: <= 0.5%
Party-line - Headset Out: <= 0.2%
Party-line - Speaker Out: <= 0.5%
Noise
Panel Mic - Party-line: < -65dBu
Headset Mic - Party-line: < -70dBu
Headset Mic - Line Out: < -55dBu
Program Input - Party-line: < -85dBu
Program Input - Headset Out: < -60dBu
Program Input - Speaker Out: < -60dBu
Party-line - Headset Out: < -50dBu
Party-line - Speaker Out: < -50dBu
Max Gain
Panel Mic - Party-line: >= 37dB
Headset Mic - Party-line: 41dB ± 2dB
Headset Mic - Hot Mic Out: 55dB ± 3dB
Headset Mic - Announce Out: 55dB ± 3dB
Program Input - Party-line: >= -16dB
Program Input - Headset Out: >= 18dB
Program Input - Speaker Out: >= 24dB
Party-line - Headset Out: >= 34dB
Party-line - Speaker Out: >= 40dB
Min Gain
Panel Mic - Party-line: <= 25dB
Power
Input Voltage Range: 20-30 VDC
Input Current (Idle): <= 90mA
Input Current (Max): <=110mA
Rear Panel Connectors
Intercom: (2) XLR-3M (1 per channel)
(2) XLR-3F (1 per channel)
Hot Mic / IFB Interface: (1) 1/4 in. (0.64 cm) phone jack
Accessory: (1) DB-15F
Rear Panel Controls
(12) Option switches
Front Panel Connectors
Panel Mic: (1) 1/4 in. (0.64 cm) panel mounting jack
