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In Reply to: RE: Time to move on posted by 4everyoung on July 19, 2016 at 15:15:28
thingies that have been posted about in the past six months, or so.
They seem to be quite similar to those sold by Mapleshade, and from what I've read they cost less than a buck each.
If the weight ratings jive (they have various versions) with your "quite" heavy amps I'd start with two near the corners of the board supporting the transformer(s) side of the amp and then a single one placed center/edge wise on the lighter side of the amp.
Just place your amps on the boards using their original footers (the ones that I assume the amps were voiced with) and give it a go.
Not a cone fan, though I do use a single Mapleshade brass cone as a record weight on my Thorens deck (it's affixed upside down to a Thorens 45/single adaptor) and it sounds super in this application.
Yes, I heard about the isoblock lookalike thingies. Where do I get them for a buck? I suppose I can try to find the thread.
The Audio Beat
Look to the right of the page for the cork version.
I've also seen thicker ones in the past, but didn't look through the site.
I try not to place gear too close to the floor because of dust & also static electricity (if synthetic fiber carpet and/or rugs are involved).
If you have six of the old metal cones left try them as well.
Never experimented with gear in the 50-60 lb range, so don't know what to expect with either type of (soft/hard) footers.
OT (or maybe not;-)
Didn't find it on Google, but in the late 60's there was an "astral wash" theory going around.
The jist of it was that it was healthier to sleep a minimum of 12" above the floor (thin mattresses of the time placed directly on a floor were considered to be a health hazard).
The reason being that cosmic particles (bombarding everything) bounced/reflected back off of surfaces (a denser surface = more bounce back) and this bounce back (of cosmic particles) was disruptive in nature.
Perhaps Geoff can add more light as to how this might be crucial to the well being of your mono block amplifiers.
A friend of mine says he will split the cost on a box of those anti vibration pads AND my nephew says no problem on the brass footers. He thinks there's enough scrap brass to make 2 sets for free. I'm a happy camper. Thanks to all for the feedback.
The Audio Beat
I made the mistake (many years ago) of placing brass cones directly coupled to an Audion SET amp and they acted like little "Hot Plates" supporting the unit.
They drained the heat, but they also stored/maintained the heat (feeding it back into the bottom plate of the amp).
I'm not stupid, but my decision to do this @ the time was most certainly a dumb one.
I'd like to chalk it up to a med I was taking (depikote, or something like that), but that would be the easy out as my actions were clearly clueless.
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