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advice on replacing a sub woofer

I have the Athena Technology Micra M225 Surround Sound system. The subwoofer on it has broken. Can anyone recommend a substitute so that I do not have to replace the entire system. Here are the specs:

Looking to spend no more than $300

http://www.athenaspeakers.com/products/m225-specifications/

My amp is a Yamaha RX-V663:

? Minimum RMS Output Power for Front, Center, Surround, Surround back
20 Hz to 20 kHz, 0.06% THD, 8 Ω ...................................... 95 W ? Dynamic Power (IHF)
Front L/R, 8/6/4/2 Ω ..................................... 135/165/195/240 W
? Maximum Useful Output Power (JEITA) [Asia, General, China and Korea models]
1 kHz, 10% THD, 8 Ω .......................................................................................... 130 W
? Maximum Output Power Speaker impedance setting: 8 Ω, 1 kHz, 0.7% THD, 4 Ω
.......................................................................................... 145 W ? Dynamic Headroom
8 Ω ....................................................................................... 1.4 dB


? Rated Output Voltage/Output Impedance OUT (REC) .......................................................... 200 mV/1.2 kΩ PRE OUT ................................................................. 1.0 V/1.2 kΩ SUBWOOFER (2ch Stereo, FRONT SP: SMALL)
................................................................................ 1.0 V/1.2 kΩ ZONE 2 OUT ....................................................... 200 mV/1.2 kΩ
? Headphone Jack Rated Output/Impedance CD, etc. (1 kHz, 50 mV, 8 Ω) ................................ 150 mV/100 Ω
? Frequency Response CD to Front L/R, 10 Hz to 100 kHz
...................................................................................... +0/?3 dB
? Total Harmonic Distortion CD, etc. to Front L/R
2ch Stereo, 20 Hz to 20 kHz, 50 W, 8 Ω ............... 0.06% or less
? Signal to Noise Ratio (IHF-A Network) CD, etc. (Effect Off, 250 mV) to Front L/R
............................................................................ 100 dB or more
? Residual Noise (IHF-A Network) Front L/R ................................................................ 150 μV or less
? Channel Separation (1 kHz/10 kHz) CD, etc. (5.1 kΩ shortened) to Front L/R
................................................................... 60 dB/45 dB or more

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2 Q's

In reply to: advice on replacing a sub woofer

1) do the speakers have to be pluged into the back of the Sub. Some HTIB add custom plugs and the speakers only can be pluged into the sub, but that sometimes can be 'fixed' with some cutters. It sounds like there plug into your reciever, just want to make sure.

2) What type of flooring do you have? Downfiring subs are really only good on hard floors.

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re: advice on replacing sub woofer

In reply to: 2 Q's

plug from receiver to sub. no speaker wire.

hard wood floors

thanks!

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another Question

In reply to: 2 Q's

Can the sub be any size or does it need to have a small profile?

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RE: advice on replacing sub woofer

In reply to: another Question

the current sub is 16.7" x 14.2" x 9.4"; could go a little bigger if necessary, but not much.

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Can you go wider??

In reply to: RE: advice on replacing sub woofer

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re: advice on replacing sub woofer

In reply to: Can you go wider??

yes, could go wider no problem.
thanks for the link.

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