Polk Audio 5 1/4" Center Channel Kit - Based on Polk 5 1/4" woofer

Super sounding Polk Audio based Center Channel Kit Buy two kits and build a tower or book shelf system instead. 5 kits a Surround System
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Price: $32.50
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Details

Polk Audio Center Channel Speaker Kit
Components to build one speaker
New/Unused
 

This is a super kit, top quality components matched to give you a fantistic sound. You get the components to build One Center Channel Speaker, as a dual woofer design, you get the following.
 
  • (2) 5 1/4" Polk Audio Woofers (4 ohm) Shielded
  • (1) 1" Silk Dome Tweeter (8 ohm) Shielded
  • (1) Two Way Crossovers
Over All Specifications to expect
  • Power 20 to 150 Watts RMS Per Channel at 8 ohms
  • Impedance 8 ohms
  • Frequency response 40 Hz. to 20 kHz.
  • Efficiency 90 dB at 1 watt at 1 meter
Polk Audio Woofer Specifications
  • 5.25" Polly Cone Shielded Woofer
  • Impedance 4 ohms (you wire in series to get you 8 ohm load)
  • Weight 3 pounds each
  • Revc - 3.4679 ohms
  • Fs - 56 Hz.
  • Zmax - 68 ohms
  • Qes - 0.4969
  • Qms - 9.2893
  • Qts - 4717
  • Le - 0.3484 mH (at 1 kHz.)
  • Vas - 22537.9746
  • BL - 0.1401 N/A
  • Sensitivity - 90 dB
  • Frequency response 40 Hz. to 7 kHz.
Tweeter Specifications
  • 1" Silk Dome Soft Tweeter
  • 8 ohms
  • Power 75 watts
  • Sensitivity - 89 dB
  • Frequency response 1.8 kHz. to 20 kHz.
  • Weight .5 pounds each
Misc. Information

If you buy two kits, you can use them to build a nice set of small towers, or a bookshelf speaker design.  Then use the vertical layout for best performance.

    • Cabinet requirements are pretty basic,  you should be fine keeping it around  .5 cf. Ported works well for these woofers.
    • Wiring; the crossover to the speakers is very straight forward.  We putting the woofers in series.  Take the positive lead from the crossover and connect to the positive terminal of woofer #1. Then you will need a length of wire. This wire connects between the negative terminal on woofer #1 and goes to the positive terminal on woofer #2. Finally you run a lead from the Woofer Negative terminal of the crossover to the negative tab of Woofer #2.This completes wiring the woofers in series.
    • Hooking up the tweeter is easy, you run a lead from the crossovers Tweeter positive terminal to the positive tab of the tweeter. Then from the crossovers negative Tweeter terminal to the negative tab of the tweeter.
  • For best response use a tweeter centered design ( Horizontal Layout ), see picture below.
     
    Layout for a Center Channel Design
    Horizontal Layout 

    Click on an image to enlarge

Discounts

Quantity Discount

When you buy 1:
Regular Price: $32.50
When you buy 2 or more:
Sale Price: $29.50 You Save: $3.00 (9.23%)!

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