Alpha B1 Bookshelf
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Specifications
Frequency Response
| On Axis @ 0° ±3dB | 65-21,000Hz |
|---|---|
| Off Axis @ 30° ±1 1/2dB | 65-10,000Hz |
| LF Cutoff -10dB | 55Hz |
Sensitivity
| Anechoic Chamber | 89dB |
|---|---|
| Listening Room | 91dB |
Impedance
| Nominal | 8 Ohms |
|---|---|
| Minimal | 4 Ohms |
Input Power
| Recommended | 10 - 90 Watts |
|---|---|
| Program | 60 Watts |
Acoustic Design
| Tweeter (Nominal) | 3/4" (19mm)Aluminium Domewith Ferrofluid |
|---|---|
| Woofer (Nominal) | 5 1/4" (133mm)MetalizedPolypropylene ConeRubber Surround |
| Crossover | 3,000Hz, B3 |
| Internal Volume | 0.29 cu ft (8.3L) |
| Design Type | Bass Reflex,1 1/2" (70mm) Rear Port |
Dimensions / Weights / Finish
| Size (W x H x D) | 7 1/8 x11 7/8 x9 3/4"* (178 x299 x247mm) |
|---|---|
| Net Weight | 10.2lb (4.6kg)/each 22.4lb (10.2kg)/pair |
| Finish** | Black Ash Sienna or Dark Cherry |
| Notes | * Non-metric measurements are approximate. ** Some finishes may not be available in all models and/or all countries. All specifications are subject to change without notice. |