I have a pair of generic 8" full range drivers. I don't have much info on them, just the basics. Their resonant frequency is 35Hz. If I put them in a TL tuned to this frequency what kind of bass should I expect? It's vague, I know, but I really don't know anything about these speakers other than a few key variables 🙁
bigwill said:
If you don't know the T/S parameters, you should expect a surprise.
Just guessing... Did you buy some of those purported Roland digital piano speakers off of ebay?
Which parameters do you know?
They're 8 ohms with a range of 35hz - 15khz, with a sensitivity of 89dB. Their nominal power handling is 40 watts.
Well, if you really don't know much about them, you might try buying some cheap 1/2" or 3/4" ply and playing around. Maybe try an open baffle, small ported box, larger ported box, folded pipe, etc.
My thought is this, make them cheap and quick, maybe even just one of each if you wanted. If you report back with your findings, folks like GM and the like may be able to give some thoughts on what might work, assuming you like them.
I'd be tempted to try an open baffle or open back box first and see how they sound.
My thought is this, make them cheap and quick, maybe even just one of each if you wanted. If you report back with your findings, folks like GM and the like may be able to give some thoughts on what might work, assuming you like them.
I'd be tempted to try an open baffle or open back box first and see how they sound.
>They're 8 ohms with a range of 35hz - 15khz, with a sensitivity of 89dB. Their nominal power handling is 40 watts.
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Not exactly what I consider 'key variables' so about all I can say is that if the magnet is real small or real big then it won't have any to speak of, though the latter's response can be flattened as required by adding some series resistance. All other sizes will have varying degrees of tonal balance.
GM
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Not exactly what I consider 'key variables' so about all I can say is that if the magnet is real small or real big then it won't have any to speak of, though the latter's response can be flattened as required by adding some series resistance. All other sizes will have varying degrees of tonal balance.
GM
The magnets are pretty small, but I ghetto-rigged them into a carboard box and got some decent bass out of them, even with an entire side of the box missing 🙂
Greets!
OK, then they are very high Q like a PA/ceiling driver and the decent 'bass' is actually midbass, so OB, very large sealed, or aperiodic are your best options.
GM
OK, then they are very high Q like a PA/ceiling driver and the decent 'bass' is actually midbass, so OB, very large sealed, or aperiodic are your best options.
GM
Greets!
In a well stuffed 'classic' design, it will perform similar to as if it was in a really huge sealed cab/IB. With no specs, doing an optimized design would require much experimentation.
GM
In a well stuffed 'classic' design, it will perform similar to as if it was in a really huge sealed cab/IB. With no specs, doing an optimized design would require much experimentation.
GM
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