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Old 21st February 2014, 07:25 PM   #1
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Default TH sub's sound

Do TH subs sound fast and clean? I am looking for a pair of subs to go with my electrostatic speakers. I want very fast and clean bass to match the ESL.

Thank you in advance for your inputs!

If any one who owns TH subs in tri-states area, I would like to audition TH subs.

Jim

Last edited by super10018; 21st February 2014 at 08:01 PM.
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Old 21st February 2014, 07:39 PM   #2
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Originally Posted by super10018 View Post
Does TH subs sound fast and clean? I am looking for a pair of subs to go with my electrostatic speakers. I want very fast and clean bass to match the ESL.
Jim,

"Fast and clean" are subjective terms describing transient response.

If the time/phase response of a TH is matched at the crossover point to the electrostatic speaker, it will sound "fast and clean".
If no time alignment is done, it will lag behind the electrostatic and sound "slow and dull".

Since the output of a TH is behind the electrostatic by the horn path length (and filters used in the crossover), the electrostatics will need to be delayed by the time it takes sound to travel that length, which could vary from 8 to 30 ms (milliseconds) depending on the low frequency cut off of the horn.
The longer the horn, the more delay required to align the two speakers in to one system.

Art
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Old 21st February 2014, 08:17 PM   #3
zobsky is offline zobsky  India
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Quote:
Originally Posted by weltersys View Post
Jim,

"Fast and clean" are subjective terms describing transient response.

If the time/phase response of a TH is matched at the crossover point to the electrostatic speaker, it will sound "fast and clean".
If no time alignment is done, it will lag behind the electrostatic and sound "slow and dull".

Since the output of a TH is behind the electrostatic by the horn path length (and filters used in the crossover), the electrostatics will need to be delayed by the time it takes sound to travel that length, which could vary from 8 to 30 ms (milliseconds) depending on the low frequency cut off of the horn.
The longer the horn, the more delay required to align the two speakers in to one system.

Art
Or (IF POSSIBLE) position the TH closer to account for the path length difference.
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Old 21st February 2014, 08:29 PM   #4
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Originally Posted by zobsky View Post
Or (IF POSSIBLE) position the TH closer to account for the path length difference.
Most folks don't have the requisite 10-30 feet (3-9 meters) required for that.
Even if they did, most folks listening to electrostatics choose them for detail, which tends to get lost in the shuffle at those distances .
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