Concerta 2 系列
Revel Concerta B1
B1
The Revel B1 is a high-performance powered subwoofer, designed to add essential bass response to any music or home theater system. The B1 subwoofer delivers accurate and authoritative bass from a surprisingly compact enclosure. Adjustable controls, parametric room equalization and multiple connection options provide unequalled placement flexibility and allow you to optimize low-frequency performance for any listening environment.
Highlights
Woofer composed of micro ceramic composite (MCC) allows for strength and stiffness but very little weight.
Nomex/cotton blend spider for increased linearity.
2” (51mm)-diameter copper voice coil would on a Kapton bobbin for impressive power handling.
Parametric room EQ functions
Downward-firing port allows for placement against a wall or cabinet.
http://www.revelspeakers.com/productdetail/~/product/b1.html
| Description | 12” Powered subwoofer |
| Maximum output level | 20Hz – 150Hz with no more than 0.1% THD, 250W, RMS, 300W dynamic |
| Power Requirements | 120VAC @ 60Hz, 3.66A 230VAC @ 50-60Hz, 2.0A - 230VAC @ 50-60Hz, 2.0A |
| Crossover Frequencies | low pass 50Hz – 150Hz, 24dB/octave, continuously variable |
| Finishes | Black |
| Low Frequency Extension | -3dB at 36Hz, -6dB at 32Hz, -10dB at 29Hz |
| Weight | 51 lb (23.2kg) |
| Depth | With grille: 13 ¼” (336.5 mm) Without grille: 12” (304.8 mm) |
| Width | 15-3/4” (400mm) |
| Height | 17-3/4” (450mm) |
