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TDL RTL3 bass/mid drivers

92.40.98.220
Posted on October 29, 2009 at 14:01:57
Van Hamlin
 Hi
I bought these speakers new in 1996 and in 1999 one of the mid/bass drive units went fuzzy, you could also hear a scratching noise if you pushed it in gently. I replaced it with a new one from Audacity. Recently another drive unit has done the same thing, but no-one (including Audacity and Lockwood) seems to have them any more.
I wonder if anyone knows a way to fix the problem that doesn't involve replacement, or if there is another driver that can be used, replacing all 4 if necessary and bearing in mind impedance is about 16 ohms per driver (2 in parallel = 8).
I've become quite attached to these speakers over the years!

Thanks!!
Van
RTL3/Aura/Revolver enthusiast
Bournemouth UK

RE: TDL RTL3 bass/mid drivers, posted on October 30, 2009 at 12:22:20
chris.redmond2@bushinternet.com
Reviewer

Posts: 10208
Location: Lancashire.
Joined: January 21, 2001
 Do these have the cone in the centre of the driver which is stationary at all?


Today is a gift - that's why it's called the Present.

Best Regards,
Chris Redmond.
RE: TDL RTL3 bass/mid drivers, posted on October 31, 2009 at 03:25:49
Van Hamlin
 Hi Chris. The little cone in the centre of these moves in and out with the main cone. I know what you mean though as I've seen Missions where it is stationary.
Regards
Van
RE: TDL RTL3 bass/mid drivers, posted on October 31, 2009 at 03:35:41
chris.redmond2@bushinternet.com
Reviewer

Posts: 10208
Location: Lancashire.
Joined: January 21, 2001
 "Hi Chris. The little cone in the centre of these moves in and out with the main cone. I know what you mean though as I've seen Missions where it is stationary."


It was Mission I had in mind. I used to have the Mission 752 Freedom floorstanders and they developed a distortion at certain frequencies after a period of time.

Turned out the cone was rubbing on the centre cone on the top edge, and once I removed the driver and turned it through 180 degrees, it eventually stopped as gravity centred the whole kit-caboodle.

Even though the TDL's don't have the stationary centre cone, it couldn't do any harm if you turned your drivers through 180 degrees in case anything has started rubbing where it shouldn't internally.


Today is a gift - that's why it's called the Present.

Best Regards,
Chris Redmond.
RE: TDL RTL3 bass/mid drivers, posted on November 3, 2009 at 03:41:59
Van Hamlin
 Hi Chris
I tried things like that before, also swapping the top and bottom drivers to confirm the sound and the rubbing were the same problem.
But I've had another go, and I have found a position that is a lot better than how it was and is liveable with until I decide what to do long term. Job problems stop me spending much money at the moment but still looking for replacement drivers.
Thanks for the advice.
Van
RE: TDL RTL3 bass/mid drivers, posted on October 30, 2009 at 08:30:01
merdy
Audiophile

Posts: 281
Joined: July 25, 2001
 hi i found a pair a while back for $50 , i changed the tweeter asap and had a similar prob on one woofer , and sourced the driver from monacor (germany) who made it, i have the ts parameters somewhere on another puter aand will check this weekend

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