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In Reply to: RE: fuseholder? posted by Awe-d-o-file on April 27, 2015 at 08:27:12
picked up a bunch of silver plated ones from military surplus, along with silver plated fuses
Follow Ups:
unclestu, will you do any tweaks to the fuses? if yes "what pray tell"
~D
Wherever you go there you are.
Kinda hard to spend time and money on a fuse, although I guess at $50 each it might actually be worth it.
PS Audio with their early 200 watt amps came out with gold plated rail fuse holders and gold plated fuse caps. The power supply caps were joined by actual 3/16 thick copper buss bars !
As an aside I've seen some pretty nice stuff coming out for automotive stereo, so you may scour the net for car audio parts...
Interestingly certain standard manufacture fuses do sound better than what you normally find at RS and other cheap supply houses.
#1 American made fuses do sound better than the cheaper Chinese cr#p.
#2 For fast blow fuses there is a model that has what looks like a lightning bolt inside for the fusible element. I find them occasionally on Ebay if I have the time to carefully examine the pictures. More dynamic and quite a nice sense of slam and punch to them
I believe they still make them but they are more expensive (Digikey wanted $5 each ), hence most electronic stores do not sell them (somehow Buss comes to mind)
#3 For slow blo fuses, without spending a ton, the spring loaded MDL series are the ticket (they are labeled MDL/MDX. BTW). They employ a thicker fusible element but the spring adds tension to break the link at the proper rating: Again thicker element means more dynamics. Just checked Ebay and there's a bunch for sale, of course you need the value for your gear....
Most slo blo fuses employ that spiral winding of very thin wire. Several strikes against the design: inductive by design and the continued flexing of the element will cause it to prematurely fail. Watch the element as you turn on gear the spiral winding literally stretches and then contracts, stressing the metal tremendously.
The MD fuses I recommend are spring loaded ( and a quite a hefty spring at that)at one end and then tapers down to the fusible element.
They are expensive to manufacture as they have many more pieces. Military like them a lot, so check out surplus depots
I like MD fuses too, and they are not cheap, I agree.
Can you say where you found milspec silver-plated fuseholders? I've been using the Acme ones (the type that encases the fuse in a cylinder with a screw cap).
I found them in military surplus lots decades ago: not many too, and as a matter of fact, I recall removing them from equipment.
Back then I would follow up with the manufacturers stamping and see if they actually had the parts in stock. Trouble is virtually every one made special runs to mil specs and quantities and then discontinued them. Taught me why often Mil gear was so damn expensive, with seemingly innocuous parts tucked away. IIRC, I bought the gear for the tubes and sockets and the huge chokes
haven't the time to research but I recall seeing some very impressive automotive fuse blocks. A quick google search reveals more of the blocks for bladed type fuses rather than the AGC types though.
unclestu, thanks!
~D
Wherever you go there you are.
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