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In Reply to: RE: Building some 300b amps posted by andy evans on September 26, 2020 at 01:24:22
Looking good! What brand of PS caps are those?
I like the layout for cables - you don't have to crawl all over the place just to plug in.
"Bass is the place..the rest is filigree and lace" Doug Sax
Follow Ups:
As you say, no need to go round the back of equipment with a torch hunting for stuff.
All my cables attach on top - easy to plug in and out. HT is always a Neutrik Speakon 4 pole, and filaments always a XLR 4 pole. Cheap and available. I like that the speakons are well shrouded. 4 Pole XLRs are good for the filaments of two DHTs, two floating DC supplies.
I didn't think the Speakons were available with sufficient voltage ratings for B+. I will take another look... certainly cheaper than the Lemos I've been considering!
Cheers.
"Confusion of goals and perfection of means seems to characterise our age." Albert Einstein
For what itīs worth, Neutric specifically warns against using the Speakon as a power connector.
https://www.neutrik.com/en/product/nl4mp
You're right - Neutrik now states it should not be used as a PSU connector. No idea why - maybe confusion with its use as a speaker connector. They didn't say this originally when I bought all the Speakons and it's too late now! I've never had any trouble with it. The original voltage rating was 300v which is the most I use. The insulation and current ratings are excellent. I've never used it for mains connection, of course. The specifications seem to have changed since its introduction.
Neutrik also makes a connector called Powercon for AC mains applications. I don't know it's voltage rating.
I was about to post a similar "that looks great" comment, and ask the same question about the power supply caps. I've never seen any which look anything like those.
"Bass is the place..the rest is filigree and lace" Doug Sax
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