| Re: Two Pi Bassreflex plan [message #98450 is a reply to message #98449] |
Wed, 16 April 2025 14:25   |
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Wayne Parham
Messages: 18940
Registered: January 2001
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Illuminati (33rd Degree) |
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Yes, we used the DX25TG09-04 before the current DX25TG59-04. And before that, we used the DX25TG05-04.
To be honest, the whole reason we use a 4Ω tweeter is to get the voltage sensitivity up to match the midwoofer. Not many dome tweeters are sensitive enough to "keep up," so we "cheat" by using a 4Ω part.
At 2.83v, the midwoofer gets one watt but the tweeter gets two. So even though the tweeter is rated 90dB/W/M, it's getting 2 watts, so that increases SPL by 3dB. Said another way, it's 93dB/2.83v/M. That's still a couple dB lower than the midwoofer, but it's a pretty good match and it sounds good.
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