Description
The Comtek BST 75-216 P Mini Base Station Transmitter with Pro Audio EQ is simple to use and features Flash Memory synthesized channel programmability with a manual, 10-channel selectable switch. A multi-function RF indicator detects bad antenna load, RF presence, and coaxial cable open condition for quick and easy troubleshooting. To accommodate a variety of receivers, the BST 75-216 Transmitter can operate with both non-compounded receivers and compounded receivers for higher fidelity sound reproduction. A practical, compact, all-metal enclosure is suitable for permanent rack-mount installations or standalone portable use.
The BST 75-216 P is configured with all 10 channels using the wide band compounded channels for use with the PR-216 receiver only. It also offers extended low-end frequency response.
- Full fidelity frequency response
- Suitable for sound carts
- Compact design
- Easy setup and installation
- User-selectable RF output power level
Rack Mount Not Included**
**Custom Channel Programming Available Upon Request**
| Audio Inputs | Line level balanced input 0 dBm for 80% modulation (+20 dBm maximum, XLR-3F)Unbalanced input (+5 dBm maximum) or 2 wire electret microphones with bias voltage for electret microphone (-35 dBV at 5 kΩ) with 1/4” phone jack |
| Connectors | XLR-3F Combo with 1/4” phone jackBarrel type 5.5 x 2.1 mm power jack DCBNC type RF output |
| Indicators | Operation Indicators: LED bar-graph VU meter LED antenna load and SWR indicator
LED DC power indicator |
| Antenna | Short-loaded BNC whip antenna BNC RF output connector for an external antenna (sold separately) |
| FCC Compliance | Type certification and type acceptance under FCC Part 95 |
| Power Requirements | 12 VDC, 200 mA maximum |
| Frequency Response | 100 Hz to 10 kHz |
| Audio Distortion | Less than 1% at 80% modulation |
| Gain Control | Audio: Limited to 20 dB |
| Limiter | Modulation Limiter: Peak compressor type with high linear overload protection (25 dB)Attack time less than 1 minute, recovery time 10 ms |
| Audio Processing | Companded and non-companded to accommodate a variety of receivers |
| RF Output Power | Maximum power output for FCC Part 95 (100 mW) |
| Frequency Stability | Better than 0.002% digitally synthesized, crystal controlled |
| Frequency Modulation | 10 kHz deviation companded5 kHz deviation non-compounded |
| Operating Frequency | 216.0125 to 216.9750 MHz (57 channels)Custom factory programmed to 10 of 19 available high-fidelity compounded channels or may be programmed to 10 of 38 standard non-compounded NB channels |
| Harmonic & Spurious Emissions | Better than 50 dB below carrier |
| Dimensions | 3.75 x 1.63 x 5.25″ (9.53 x 4.14 x 13.34 cm) |
| Weight | 17.00 oz (481.94 g) |
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