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People with MTX 1000d

Old Jun 4, 2002 | 09:36 AM
  #1  
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mb1
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People with MTX 1000d

What is the lowest ohm setting have you run the amp in. I am planing on giving it a 1.5 ohm load for daily use, can it handle that?
Old Jun 4, 2002 | 10:25 AM
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jmax
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This is more complex than the simple math equations suggest. A pair of 3 ohm woofers wired in parallel yields 1.5 ohms. But only if the speakers really are 3 ohms to begin with. Add to that the fact that the impedance varies with frequency and box design. And then consider that resistance increases as the wires and voice coil heat up. So the more power you send the speaker, the higher the impedance will be. It might work fine, or it might overheat. But with the quality of MTX products you can expect that a fuse will blow or the amp will shut off before the amp burns out.
Old Jun 4, 2002 | 01:13 PM
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Originally posted by jmax
This is more complex than the simple math equations suggest. A pair of 3 ohm woofers wired in parallel yields 1.5 ohms. But only if the speakers really are 3 ohms to begin with. Add to that the fact that the impedance varies with frequency and box design. And then consider that resistance increases as the wires and voice coil heat up. So the more power you send the speaker, the higher the impedance will be. It might work fine, or it might overheat. But with the quality of MTX products you can expect that a fuse will blow or the amp will shut off before the amp burns out.
Well, MTX hasn't exactly proven their quality to me with this amp. It first blew after I had it for 3 month, and them after 1.5 month later when they sent it back, it was still not working. So I am a little worried about running it outside it's limit. I am going to run 2 audiobahn alum15x's with dual 6ohm coils. They will be in a sealed bod with ~1.25cuf of space.Do you think the amp can handle that?
Old Jun 4, 2002 | 01:23 PM
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Originally posted by mb1


Well, MTX hasn't exactly proven their quality to me with this amp. It first blew after I had it for 3 month, and them after 1.5 month later when they sent it back, it was still not working. So I am a little worried about running it outside it's limit. I am going to run 2 audiobahn alum15x's with dual 6ohm coils. They will be in a sealed bod with ~1.25cuf of space.Do you think the amp can handle that?
at what ohm where you running it the first time it blew?
Old Jun 4, 2002 | 07:00 PM
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Originally posted by rawkus2g

at what ohm where you running it the first time it blew?
I think it was at 4ohm.(one sub) It just made a sound, and quit working.
Old Jun 4, 2002 | 07:59 PM
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Re: People with MTX 1000d

Originally posted by mb1
What is the lowest ohm setting have you run the amp in. I am planing on giving it a 1.5 ohm load for daily use, can it handle that?
YES

Ant
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