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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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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.

Horizontal Layout

Click on an image to enlarge

Discounts

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When you buy 1:

Regular Price: $32.50

When you buy 2 or more:

Sale Price: $29.50 You Save: $3.00 (9.23%)!

Reviews

Average Rating

Average Rating 5/5 Stars.
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(5 out of 5 with 2 votes)

Killer

Rating 5/5 Stars.
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Pete Bigelow (Cincinnati ) - September 17th 2023

I built these and the lows aren't extremely low, but what can your expect from a small box. These truly kill my Elac and still unsure about them beating my Q350. I am still breaking them in.. It was a great built!! For the money You can't beat these. If you want to spend....$400/$600, maybe you can do it. Put a sub with these????! I keep forgetting about the price...yep no one competes with this package for the money.

Brother Build

Rating 5/5 Stars.
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Brian Raulerson (Florida) - July 18th 2020

I made this and the mains for my older brother who apparently is nearly deaf. I left this sealed but added some acoustic foam in the inside. I cut an 18" red oak front baffle and cut a recess with a router. I painted the cabinet white and stained the oak "Gunstock" and shot some poly on it. Turned out pretty nice. Sounds great. Kit went together like a dream. Zero problems.

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

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