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Old 27th March 2014, 11:15 PM   #2611
evanc is offline evanc  United States
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highest compliment.
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Old 27th March 2014, 11:21 PM   #2612
tinitus is offline tinitus  Europe
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Quote:
Originally Posted by bcmbob View Post
Here is a link to the 4th version of my liquid cooling experiments. The amp is a BA-3 with 24 output devices in SE form. Don't remember how many months ago this started - but I think we have turned the corner.
and does it make cool sounds ? ... I mean, bubble blurbs
looks smooth
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Old 28th March 2014, 05:52 PM   #2613
6L6 is offline 6L6  United States
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Ooooh! That looks really nice.

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Old 29th March 2014, 12:06 PM   #2614
bcmbob is offline bcmbob  United States
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Thanks, it also does transformations but I haven't finished the video.
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Old 29th March 2014, 06:00 PM   #2615
WalterW is offline WalterW  Netherlands
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Originally Posted by bcmbob View Post
I think that's a good thing???
Hahaha the best you can get, ZM don't give them for free

I like your build Bob ! Very curious how much power from the mains...
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Old 3rd April 2014, 12:01 PM   #2616
bcmbob is offline bcmbob  United States
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As usual, I had to go through another 6L6 learning set to get to the information, but I think this is accurate. My meter was defaulting to DC so I got some useless and confusing readings initially.

With two 500VA transformers and the small fan/pump PS - Amps = 2.86. Mains average is 120 VAC.

Using I*V results in 343.2 W.

The CL-60s appear to be doing their job as the current starts at zero, quickly builds to ~ 2.92A and settles back to a stable 2.86.

Hope that's the info you wanted.
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Last edited by bcmbob; 3rd April 2014 at 12:06 PM.
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Old 3rd April 2014, 12:44 PM   #2617
bcmbob is offline bcmbob  United States
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I should add the disclosure of another equipment glitch. Discovered that my IR temp gun is faulty above a certain point - particularly on reflective surfaces, so the readings in the build post are somewhere between 6 and 10 degrees low. I don't have confidence in the results from the probe I have either, so I ordered a new dual contact unit. I'll post the revised numbers as soon as I have them.
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Old 11th April 2014, 03:25 PM   #2618
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My contribution is a DIY Store F5 build.

DIY store really makes is too easy with the pre-drilled chassis, PCB's and step by step instructions.

Click the image to open in full size.
Click the image to open in full size.

Last edited by FastlaneAudio; 11th April 2014 at 03:52 PM.
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Old 11th April 2014, 04:51 PM   #2619
Zen Mod is offline Zen Mod  Serbia
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that NTC will soon scorch that isolation

place small PCB on bottom plate , and put it there
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Old 11th April 2014, 04:54 PM   #2620
osscar is offline osscar  Latvia
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or you can solder it on chassis mounted fuse holder
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