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Old 5th September 2008, 03:21 AM   #1
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Default Suggest a Driver for my TL

I'm looking to replace a 10" Radford woofer in my old Audionics TL90 speakers. Has anyone had experience that can make intelligent recommendations ? The Transmission Line cabinet is approx 13" X 13" X 42" Tall Volume = ~115 liters. In days of old the KEF B139 was used....Replaced by Radford BD25. I need to cross to my mids (Morel EM1308) around 800Hz so the bass driver need not be an extended range (full range) design.

I appreciate your assist.

RON
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Old 12th September 2008, 04:50 AM   #2
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Default Re: Suggest a Driver for my TL

Quote:
Originally posted by ronzeman
In days of old the KEF B139 was used....Replaced by Radford BD25.
RON
Ron - in response to your email to me I sent you this link with some commentary but appears that I got your email id wrong. Therefore I am posting this info here for your (and others') benefit.
----------------------------
See "B139 Substitutes" :

http://www.t-linespeakers.org/driver...bstitutes.html
-----------------------------

-Ram
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Old 14th September 2008, 09:11 AM   #3
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Default Re: Re: Suggest a Driver for my TL

Quote:
Originally posted by ramkumarr
----------------------------
See "B139 Substitutes" :

http://www.t-linespeakers.org/driver...bstitutes.html
-----------------------------
That list could be updated... that particular list is 8-10 years old. I just went thru all the drivers i could find looking for si,ilar Vas, Fs, Qt

dave
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Old 14th September 2008, 11:33 AM   #4
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Default Re: Re: Re: Suggest a Driver for my TL

Quote:
Originally posted by planet10


That list could be updated... that particular list is 8-10 years old. I just went thru all the drivers i could find looking for si,ilar Vas, Fs, Qt

dave
Thanks for the qualification Dave. Raises an interesting point - in hindsight would it seem that additional parameters be desirable to establish driver equivalence for TLs in particular?

-Ram
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Old 14th September 2008, 02:37 PM   #5
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Don't you really want to match the Radford BD25 since the original design (cab/xover) was mostly tweeked. Besides the normal target T/S specs the woofer sensitivity would be key to the job.
Correction>What you are really discussing here is spead out over muliple different threads. i.e replacing all drivers in a 3 way.

IMO >The main point is .. What are you gonna do for a XOVER?
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