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Tubelab Discussion and support of Tubelab products, prototypes and experiments

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Old 2nd March 2021, 07:59 AM   #951
v4lve lover is offline v4lve lover  Netherlands
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Join Date: Aug 2010
Location: Surrounded by glass, no really my room is full of tubes
After a 14 year run, the TSE must DIE! After a 14 year run, the TSE must DIE!
Tent supplies are very different, i should know because i inadvertently ended up copying the design and adding my improvements to it.



DHT heater supply design



Regulated DC filament supply


Do yo mean those? If you can live with worse efficiency a L200 is superior because you can set the current at approx 150% of what the tubes normally draw. Three terminal regs have a bit of spread in the current limiting threshold.



There is some discussion about the use of current sources, i reckon that a pure current source is bad for lifetime source: i heard that trough the grapevine.







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Old 2nd March 2021, 01:56 PM   #952
sunil is offline sunil  India
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Join Date: May 2003
Location: Bangalore, INDIA
So, thats my rig. The TSE-300b's power the centre co-axial (Altec 604e) and the Brook 12A Monoblock's power the Altec 515 bass units at the bottom.

The air-conditioning is really close to the right channel. Was wondering if somebody could tell me if thats ok. The left channel does cool, but not as much.
Will this reduce life or performance over time ?

The TSE just runs warm.
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File Type: jpg J-Studio-v2.jpg (966.9 KB, 199 views)
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Old 2nd March 2021, 04:47 PM   #953
Evenharmonics is offline Evenharmonics  United States
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I wouldn't put tube amp on top of speaker.
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Old 2nd March 2021, 05:22 PM   #954
sunil is offline sunil  India
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Sadly, I got no other place to put it.
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Old 2nd March 2021, 06:31 PM   #955
Evenharmonics is offline Evenharmonics  United States
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If it's up to me, I would move that dumbbell and put the tube amps there.
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Old 2nd March 2021, 06:43 PM   #956
hareynolds is offline hareynolds  United States
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Quote:
Originally Posted by Evenharmonics View Post
I wouldn't put tube amp on top of speaker.
I've encountered some microphonic preamp tubes that would prove this point rather dramatically...
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Old 3rd March 2021, 02:46 AM   #957
sunil is offline sunil  India
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Join Date: May 2003
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Quote:
Originally Posted by Evenharmonics View Post
If it's up to me, I would move that dumbbell and put the tube amps there.
I see what you mean. Its a small room and pic is distorted because there's actually very little place near that dumbell.

I've had no problems with microphonics whatsoever. I tend to use neoprene a fair bit to isolate components and its done a decent job with the vibration near the amps on top.

The AC is my biggest concern.
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Old 3rd March 2021, 10:26 PM   #958
Evenharmonics is offline Evenharmonics  United States
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Or you can try these on the wall.
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Old 3rd March 2021, 11:16 PM   #959
hareynolds is offline hareynolds  United States
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I confess that I LOLed a little bit.
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Old 4th March 2021, 12:37 AM   #960
sunil is offline sunil  India
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Probably end up with perspex covers.
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