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DIY wood tube dampers

76.87.201.57

Posted on May 10, 2024 at 18:39:04
Jon L
Audiophile

Posts: 6149
Joined: April 6, 2000



I have been listening to Telefunken ECC83 smooth plate tubes and found it to have a bit too much of a good thing in terms of lushness, billowiness in upper-mid/mids.

I then tried the original teflon ring HALO tube dampers, which robbed too much sparkly life. Tried a DIY metal ring damper, which reduced the billowiness quite a bit but added a bit of artificialness. Tried spring-loaded tube cage/cylinder, but again was too much damping.

The current HALO III tube dampers look promising, but they are out of stock.

So I did what I had to, which just about struck the right balance between not robbing too much life and retaining enough lushness while enhancing clarity and detail.

 

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RE: DIY wood tube dampers , posted on May 11, 2024 at 07:50:05
Tre'
Industry Professional

Posts: 17549
Location: So. Cal.
Joined: February 9, 2002
"but again was too much damping"

Please help me understand. You are looking for just the right amount of vibration induced distortion?

Tre'
Have Fun and Enjoy the Music
"Still Working the Problem"

 

Microphonics, posted on May 11, 2024 at 14:24:52
Jon L
Audiophile

Posts: 6149
Joined: April 6, 2000
sure, short answer is yes.
I do believe dampers' material/design affects both the amount and character of microphonics being manipulated though. Rubbery/elastic dampers kind of sound well, rubbery and soft and straight metal rings sounding, well a bit "metallic." IME and YMMV of course.


 

Placement of HALO tube dampers is critical, it's wherever the getter is. Nt, posted on July 26, 2024 at 08:03:49
Geoffkait
Manufacturer

Posts: 363
Joined: July 2, 2024
nt

 

RE: DIY wood tube dampers , posted on August 4, 2024 at 10:20:44
Enochisvalid
Audiophile

Posts: 3
Location: Central Midwest Missouri
Joined: August 1, 2024
SILICONE O rings low on the tube for less effect. Adjust up for more dampening. Many hardware stores have.
Enoch is valid !

 

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