The 3dbm 7FMO-BS-2X-AYD 70 MHz FM Modulator is a professional rack-mount RF modulator designed for modulation of audio or baseband signals onto a 70 MHz FM carrier. This model is typically used in broadcast and RF distribution systems where a stable, fixed-frequency FM subcarrier is needed, such as in test, monitoring, relay links, or specialized CATV/VHF systems. It supports standard mains operation with selectable 115/230 VAC input and is built in a rugged chassis suitable for equipment racks. The unit is known for dependable performance in industrial environments and is often repurposed from working broadcast facilities.
📊 Key Specifications
| Specification | Value |
|---|---|
| Model | 7FMO-BS-2X-AYD 70 MHz FM Modulator |
| Brand / Maker | 3DBM, Inc. (used in broadcast gear applications) |
| Frequency | ~70 MHz FM carrier |
| Power Input | 115/230 VAC, 47-63 Hz selectable |
| Fuse Ratings | 115 V: 1 A / 230 V: 0.5 A |
| Rack Mountable | Yes (19″-style chassis) |
| Weight | ~18 lbs (≈8.2 kg) |
| Condition | Used |
| Use Case | FM modulation into RF links or broadcast distribution equipment |
| Form Factor | Rack mount RF equipment |
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