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Building a subwoofer using a TOA 900 series amp
Building a subwoofer using a TOA 900 series amp
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Old 24th February 2005, 03:49 AM   #1
scott_jcp is offline scott_jcp  United States
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Location: Richardson, TX
Default Building a subwoofer using a TOA 900 series amp

I have a TOA 900 series P-024 (Mk I) mono amplifier that can output 220W into 8Ohms or 240W into 4Ohms. I am about to upgrade my current system to a stereo amp, and will have this amp just lying around. I was wondering if it might be in any way effective as an amplifier for a subwoofer. Could I use this in conjunction with a driver and a crossover to make a decent sub? If I can do this, will I have to make my own crossover, or can I purchase one affordably?

Or is there some better use for this fairly vintage amp?
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Old 24th February 2005, 04:00 AM   #2
scott_jcp is offline scott_jcp  United States
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In particular, would these work well with it?
Dayton 15"
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Old 24th February 2005, 02:33 PM   #3
simon5 is offline simon5  Canada
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It would work well but I would recommend this one instead, because I looked at the specification sheet and the THD rating is not specified under 50 Hz with a 8 ohms load, but under 0.5% with a 4 ohms load under 50 Hz.

http://www.partsexpress.com/pe/showd...number=295-560

If you don't like this one, there's two other to consider... this one:
http://www.partsexpress.com/pe/showd...number=295-190

Or this one:
http://www.partsexpress.com/pe/showd...number=295-420

You can build your own crossover, I don't know where you can buy one already done.
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