Need help?Do you have a question about the Velodyne ULD-18 and is the answer not in the manual?
General| Type | Subwoofer |
|---|---|
| Driver Size | 18 inches |
| Frequency Response | 20 - 120 Hz |
| Dimensions | 24.5 x 24.5 x 24.5 inches |
| Weight | 125 lbs |
| Enclosure Type | Sealed |
Connect the servo controller between your pre-amplifier and amplifier for proper operation.
Connect two ULD systems in monaural mode using a Y-adaptor patch cord.
Route a phono cable from a single line-level subwoofer output to the ULD controller.
Check wiring, servo interface cable, and fuses if the unit does not play.
Protection circuitry activated; reduce volume or subwoofer level.
ULD controller's high-pass crossover needs power to bypass.
Occasional pop is normal due to a built-in power-on delay.
Switch Velodyne on before power amp to prevent satellite speaker pops.
Diverts frequencies above 85 Hz to power amplifier, sums below 85 Hz.
Amplifies bass signals, compares with accelerometer feedback for correction.
400-watt amplifier using a two-level power supply switching method.
Custom driver engineered for sensitivity, resonance reduction, and ventilation.
Measures cone motion, relays data via onboard charge amplifier and transmission circuit.
Includes gain compression and comparator circuits for protection and stability.
To Next Page