The new standard for classic performance
High efficiency design in a dual-driver bookshelf size gives you more options for high performance audio. Let the 45B reveal the classic Polk sound (open, spacious and clear) in mid- to large-sized rooms (driven by even a modestly-powered amp or receiver). The 45B mounts on the wall, or on stands (available separately).
Monitor 45B Features:
- 1-inch (25mm) silk/polymer composite Dynamic Balance® dome tweeter with powerful neodymium magnet structure delivers clear and detailed high frequency response for realistic reproduction of vocals and instruments.
- Dual 5 1/4-inch composite Dynamic Balance drivers are lightweight and stiff with good damping for high efficiency, excellent bass and midrange clarity with lower distortion.
- Small-diameter driver design delivers wide dispersion, better mid-range, and more detailed bass response for an open, "box-less" three-dimensional sound.
- Non-resonant all-MDF enclosure construction with 3/4-thick baffles ensures cleaner, clearer, more lifelike sound quality.
- Crossovers use mylar bypass capacitors for more detailed high frequencies.
- 5-way binding post connectors, allowing for more secure hook-up options.
- Monitor Series speakers are modern living accessories that make a stylish statement in either black or cherry wood grain finish, with Titanium faces.
- Critically tuned flared port minimizes port noise (chuffing) for good low frequency extension with low distortion, resulting in natural, full-bodied sound with rich bass.
|Dimensions - Product Weight (each)||16.00 pounds|
|Dimensions Cabinet Dimensions - Depth||12 (30.48cm) "|
|Dimensions Cabinet Dimensions - Height||15 3/4 (40.01cm) "|
|Dimensions Cabinet Dimensions - Width||7 (17.78cm) "|
|Driver Complement Midrange - Diameter||5 1/4 (13.34cm) "|
|Driver Complement Midrange - Quantity||2|
|Driver Complement Midrange - Type||Dynamic Balance bi-laminate composite cone driver|
|Driver Complement Tweeter - Diameter||1 (2.54cm) "|
|Driver Complement Tweeter - Quantity||1|
|Driver Complement Tweeter - Type||Dynamic Balance silk/polymer composite dome|
|Electrical - Efficiency||89 dB|
|Electrical - Inputs||5-way binding posts|
|Electrical - Lower -3dB Limit||57 Hz|
|Electrical - Nominal Impedance||8 ohms|
|Electrical - Recommended Amplifier Power||20-125 watts per channel|
|Electrical - Total Frequency Response||47Hz-25kHz|
|Electrical - Upper -3dB Limit||24 kHz|
|Shipping - Total Shipping Weight||tbd pounds|
|Shipping - Unit of Measure||pair|
|Warranty - Speaker Warranty||5 years parts and labor (original purchaser)|
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