CIGARBUM Posted January 12, 2009 Share Posted January 12, 2009 In reading my operators manual for my MC275 I noticed one part under the installation section. " Adequate ventilation extends the troublefree life of electronic instruments. It is generally found that each 10 degrees centigrade rise in temperature reduces the life of ecectrical insulation by one half." Would it be recommended that you install one or two small computer fans to facilitate the cooling of the amp? From the pictures, I have decent space around the amp. Your comments please. Quote Link to comment Share on other sites More sharing options...
USNRET Posted January 12, 2009 Share Posted January 12, 2009 Personal opinion, no fan needed in this setup. If you were to employ fan(s) it would have to be blowing across the amp instead of being used to exhaust (thought I was gonna use that other word, didn't ya?) as you don't have any plenum to create the low pressure area. Quote Link to comment Share on other sites More sharing options...
Guest " " Posted January 12, 2009 Share Posted January 12, 2009 the only comments I have concerns heat from the amp rising to the pre-amp, which could be avoided if you put the amp on top and the pre-amp on the bottom. Quote Link to comment Share on other sites More sharing options...
USNRET Posted January 12, 2009 Share Posted January 12, 2009 the only comments I have concerns heat from the amp rising to the pre-amp, which could be avoided if you put the amp on top and the pre-amp on the bottom.nothing a good layer of heat absorbing kryptonite wouldn't cure . May have to create a space, if you swapped with pre-amp you'd be toasting the CD player. Seriously, if you could create a non-intrusive heat collection tray under the pre-amp and then duct the forementioned fan drawing ambient air from the room across collected hot air and exhausting it away. Quote Link to comment Share on other sites More sharing options...
CIGARBUM Posted January 12, 2009 Author Share Posted January 12, 2009 Even though you can't see it in the picture, there is a 5/8" piece of wood under the c-29. The wood wwill absort the heat as good as anything Quote Link to comment Share on other sites More sharing options...
russ69 Posted January 12, 2009 Share Posted January 12, 2009 I can hear fans, so they are no good for cd playback, they are OK with records, the surface noise is louder than the fan. Thanx, Russ Quote Link to comment Share on other sites More sharing options...
USNRET Posted January 13, 2009 Share Posted January 13, 2009 CB, take a good puff of the cigar and imagine this: take a metal dust pan, turn it upside down and mount below your pre-amp. Now take some ducting and attach to the dust pan handle (it's hollow), run the ducting to some place where the noise will not bother you and attach duct to wooden box where exhaust fan is mounted. This will pull away the hot air collected under the preamp. Now your job is to find something to replace the "dust pan" with. Remember converging/diverging ducts as related to pressure and velocity. Just don't waste one of your humidors! Quote Link to comment Share on other sites More sharing options...
Me Loves Khorns Posted January 15, 2009 Share Posted January 15, 2009 CB, take a good puff of the cigar and imagine this: take a metal dust pan, turn it upside down and mount below your pre-amp. Now take some ducting and attach to the dust pan handle (it's hollow), run the ducting to some place where the noise will not bother you and attach duct to wooden box where exhaust fan is mounted. This will pull away the hot air collected under the preamp. Now your job is to find something to replace the "dust pan" with. Remember converging/diverging ducts as related to pressure and velocity. Just don't waste one of your humidors! Very creative idea! Quote Link to comment Share on other sites More sharing options...
Coytee Posted January 15, 2009 Share Posted January 15, 2009 CB, take a good puff of the cigar and imagine this: take a metal dust pan, turn it upside down and mount below your pre-amp. Now take some ducting and attach to the dust pan handle (it's hollow), run the ducting to some place where the noise will not bother you and attach duct to wooden box where exhaust fan is mounted. This will pull away the hot air collected under the preamp. Now your job is to find something to replace the "dust pan" with. Remember converging/diverging ducts as related to pressure and velocity. Just don't waste one of your humidors! Very creative idea! Not to mention having it hidden from the wife. I like that part. [Y] Quote Link to comment Share on other sites More sharing options...
Groomlakearea51 Posted January 16, 2009 Share Posted January 16, 2009 There are some extremely quiet exhaust fans out there. I use a 5" on my tube amp (and the ss amps) to keep it around 110-115 degrees (on the top casing area opposite the 6L6GC output tubes). The ones I use have variable speeds and the vendor from whom I obtain the fans is very reliable and helpful. Give this guy an email and maybe he can help you. drmckenzie1@sbcglobal.net Quote Link to comment Share on other sites More sharing options...
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