USD 437 excl. Tax
| Weight | 2 kg |
|---|
Clear-Com HB-704 4-Channel Select Flush-Mount Headset Station (4.5″ X 4.5″) Mounts in Console or Standard 2-Gang Electrical Box
Clear-Com HB-704 is a selectable four intercom channel wall or console-mounted headset station. Microprocessor-controlled logic and switching, with momentary/latching talk button. Visual call signaling.
Optional 4-wire and TW daughter boards.
| Headset Microphone Input | Input Type : Dynamic Input Impedance: >= 1KΩ Mic Limiter Threshold: -2dBu ± 3dB Mic Limiter Range: >= 15dB |
|---|---|
| Program Line Input | Input Impedance: >= 5KΩ |
| Headset Output | Load Impedance: >= 8Ω Output Impedance: <= 25Ω Output Limiter Threshold: 5dBu ± 3dB Maximum Output Level before Distortion: >= 17dBu |
| Party-line Output | Off Noise: < -74dBu Output Impedance: >10KΩ |
| Party-line Input | Crosstalk: < -60dB Max level before Clipping: >= 12dBu |
| Frequency Response | Headset Mic – Party-line: 300 – 15KHz ± 3dB Party-line – Headset Out: 300 – 15KHz ± 3dB |
| Max Distortion | Headset Mic – Party-line: <= 0.5% Party-line – Headset Out: <= 0.2% |
| Noise | Headset Mic – Party-line: < -70dBu |
| Max Gain | Headset Mic – Party-line: 41dB ± 2dB Party-line – Headset Out: >= 34dB |
| Power | Input Voltage Range: 20-30 VDC Input Current (Idle): <= 50mA Input Current (Max): <=100mA |
| Internal Adjustments and Connections | Intercom Line: Seven terminal connector Option Switches: Two DIP switches Option Board Jumper: Two sets of options jumpers |
| Front Panel Connectors | Headset: (1) XLR-4M |
| Front Panel Controls & Indicators | (1) Sidetone control (1) Talk button (1) Call button (1) Channel select switch (1) Volume control |
| Environmental | 32 – 122?F (0 – 50?C) |
| Dimensions | 4.625 in. W x 4.5 in. H x 1.75 in. D (117 mm x 114 mm x 44 mm) |
| Weight | 0.46 lbs. (0.21 Kg) |
How to shop TAX free in Singapore
7% Goods Service Tax (GST) will be imposed over the total invoice value if purchased locally in Singapore. However if you are a tourist visiting Singapore, this GST amount can be refunded at the Changi International Airport Departure Hall GST Refund Centre before departure with goods within 60 days from the date of purchase. Please note that only Tourists who have met the Tourist Refund Scheme’s conditions and eligibility criteria can claim for the GST refund. Visit the following link for GST Guide for Visitors on Tourist Refund Scheme. https://www.iras.gov.sg/IRASHome/GST/Consumers/Tourist-Refund-Scheme
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