Clear-Com SB-440 Professional 4 Channel Switchboard
Experience seamless communication with Clear-Com SB-440! This advanced 4-channel switchboard is a game-changer for stage, studio, and field producers. Here's why:
- Unmatched Flexibility: With four independent intercom channels, you can connect multiple users and customize channel access for diverse applications.
- Superior Audio Quality: Enjoy crystal-clear sound with separate volume controls for each channel, wide-range high-output speaker, and superior “contoured” audio technology.
- User-Friendly Design: Intuitive front-panel controls, programmable buttons, and adjustable mounting ears make it easy to operate in any setup.
Plus, it features a versatile switching matrix, linking control, and built-in IFB program interrupts. Ideal for live events, broadcasts, and more. Don't miss out on this must-have communication solution!
Features
- Four Independent Intercom Channels - Get ultimate flexibility for your communication needs.
- Superior Audio Quality - Enjoy clear sound with separate volume controls and high-output speaker.
- User-Friendly Design - Intuitive controls and adjustable mounting for easy operation.
- Versatile Switching Matrix - Connect up to ten groups of stations to any channel.
- Linking Control - Instantly create a “super party line” for seamless communication.
- Separate Talk and Listen Buttons - Ensure clear communication on each channel.
- Individual Listen Volume Controls - Customize your audio experience.
- “All-Talk” Function - Communicate instantly across all four channels.
- Four Separate Program Inputs - For a balanced audio setup.
- Three Interruptible IFB Channels - Make talent cueing a breeze.
- “Announce” Button with Relay - Ideal for external paging.
- Visual “Call Signaling” - Never miss a call.
- “Hot-Mic” Output - Connect easily to external IFBs.
- Adjustable Mic Proximity Compensation - Reduce acoustic feedback.
- Superior “Contoured” Audio - Ensure excellent voice intelligibility in all environments.
Specifications
- CONTROL SYSTEM: CMOS Digital logic and signal switching
- OVERALL STATION AUDIO:
- Bandwidth: 150 Hz -15 kHz
- Signal to Noise: >75 dB
- Channel Separation: > 50 dB
- Line Impedance: Terminating (200 )
- MIC PREAMP:
- Input Level: -55 dBv nominal, -10 dBv max (0 dBv is referenced to 0.775 volts rms)
- Impedance: 200 nominal
- Frequency Response: 150 Hz -15 kHz (contoured for max. intelligibility)
- Limiter Range: 25 dB
- Gain Adjust: 5 dB
- HEADPHONE AMPLIFIER:
- Load Impedance: 50 - 2,000
- Output Level: > +20 dBv across 600
- Distortion: <0.2% THD at 1 kHz
- Frequency Response: 150 Hz - 18 kHz ±2 dB
- SPEAKER AMPLIFIER (SB-440):
- Load Impedance: 8-50
- Output Level: 4 watts into 8
- Distortion: <0.5% THD at 1 kHz
- PROGRAM INPUTS:
- Type: Line level electronically balanced
- Nominal Imput Level: -10 dBv
- STUDIO ANNOUNCE:
- Type: Transformer balanced output
- Level: 0 dB
- Relay: SPDT
- Contact Rating: 24 Volts DC @ 1 amp
- ELECTRET MICROPHONE (Optional):
- Connection: Proprietary plug-in locking connector
- Pattern: Cardioid
- Length: 9' or 18' gooseneck
- Frequency Response: 100 Hz - 20 kHz
- TALK REMOTE CONTROL: Two logic inputs
- POWER SUPPLY
- Type: Switching, with reset circuitry for each channel
- Output Voltage: 30 VDC regulated
- Output Current: 2.0 A max.; 1.75 A max. on any channel; with electronic current limiter, circuit breaker protected
- Hum and Noise: <-80 dBv
- SYSTEM CAPACITY
- 60 beltpacks or 20 speaker stations
- AC POWER REQUIREMENTS
- 90 - 240 VAC, 50 - 60 Hz
- DIMENSIONS: 3.5' H x 17' W x 6.75' D (89 x 432 x 171 mm) (19' W with included rack ears) Depth does not include rear panel connectors.
- WEIGHT: 9.7 lbs. (4.4kg)
- CONNECTORS
- Headset: 4-pin male XLR
- Intercom Lines: Fourteen 3-pin male XLR
- Program Input: 3-pin female XLR
- Announce Output: 3-pin male XLR
- External IFB: 1/4' phono jack
- Aux: 15-pin DB connector
- External Speaker: 1/4' phono jack
The Clear-Com SB-440 is a professional 4-channel switchboard designed for stage, studio, and field producers. With its advanced features and superior audio quality, it's perfect for live events, broadcasts, and more. Here's what you need to know: - **Use Cases**: Ideal for connecting multiple users during live performances, broadcasts, rehearsals, and staff checks. - **Target Audience**: Stage managers, audio engineers, producers, and anyone who needs reliable communication in a professional setting. - **Technical Specifications**: Measures 3.5' H x 17' W x 6.75' D (89 x 432 x 171 mm) (19' W with included rack ears), weighs 9.7 lbs. (4.4kg), and operates on 90 - 240 VAC, 50 - 60 Hz.
