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Speaker Asylum General speaker questions for audio and home theater. |
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Speaker Asylum General speaker questions for audio and home theater. |
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In Reply to: super tweeters with full range single drivers posted by pjcarroll on July 22, 2024 at 05:56:39:
But really wide range midrange drivers do and are called 'full range'.To your question, the driver likely has response above the cutoff you have planned for the tweeter. If it does then there will be comb filtering effects between the drivers which contributes to harshness. So its a good idea to filter out the highs with a crossover for the 'full range' driver.
On the bottom end, you have a different problem. Frequencies lower than the horn supports exist. The driver is not loaded below the horn's cutoff frequency so it will flop around with the lower frequency bass notes. This causes Doppler Effect distortion which contributes to congestion (so at low volumes the speaker might be very convincing but crank up the volume and it falls apart).
For this reason a high pass filter should be used with the driver, preventing bass notes from messing with it. This is why in the old days you saw high efficiency loudspeakers with 15" woofers, which had no problem getting up to 500Hz, which is a good place to cross over to the main driver since the capacitors needed to do that won't be ridiculously large.
You can supplement the bass with subs of course but if you don't knock the bass out of the 'full range' driver you'll have limited dynamic range before the speaker seems to fall apart.
Edits: 07/23/24
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Follow Ups
- Full range drivers do not exist- - Ralph 12:39:00 07/23/24 (15)
- Well, they actually do - Edp 08:39:15 07/24/24 (8)
- RE: Well, they actually do - Presto 12:28:03 07/24/24 (1)
- Units I refered to have only one driver - Edp 14:21:03 07/24/24 (0)
- I've been enjoying truly full range - E-Stat 10:01:08 07/24/24 (3)
- ESLs are the exception of course :) nt - Ralph 13:40:30 07/29/24 (0)
- With the added advantage of plainer response, reduced sidewall effect - Edp 14:38:12 07/24/24 (1)
- They do require - E-Stat 06:58:00 07/25/24 (0)
- 'religious nature' - Ralph 08:58:48 07/24/24 (1)
- Yes, there is often repeated sessions of head to wall banging - Edp 14:31:43 07/24/24 (0)
- RE: Full range drivers do not exist- - pjcarroll 13:49:55 07/23/24 (3)
- Subs are much easier to blend - Ralph 08:30:20 07/24/24 (2)
- RE: Subs are much easier to blend - pjcarroll 14:50:50 07/24/24 (1)
- If the subs have output above 80Hz - Ralph 14:49:03 07/28/24 (0)
- RE: Full range drivers do not exist- - Inmate51 13:13:31 07/23/24 (1)
- +1 nt - Ralph 08:30:51 07/24/24 (0)
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