Ritzert@DMZRZU71.BITNET (12/19/89)
I just succeeded getting our (previously extraordinary loud) sh205 silent. I applied the following modifications to the thing: - break out the grille (? hope I got the correct word from my dictionary) that covers the fan. This inhibits the noise produced by the air flowing through the grille. - mount the fan as deep as possible (a few mm) in the box. Slightly increases the effect of the above mod. - fill the parts outside the shielding (to the right of the drive) with Pritex or something similar do damp resonances in the box. The amount of noise reduction of these steps is compareable to pressing the quiet button of a NEC P6. - I replaced the fan by a silent one. Now our Mega ST is louder than the drive. I think I will have to get a silent fan for the Mega, too. I think, the above modifications which I made a few months earlier are still necessary since they attack completly independent sources of the noise of the drive. mjr@dmzrzu71.bitnet
pegram@uvm-gen.UUCP (pegram r) (01/04/90)
From article <891219125847.519899@DMZRZU71-UNI-MAINZ--GERMANY>, by Ritzert@DMZRZU71.BITNET: edited greatly... > I just succeeded getting our (previously extraordinary loud) sh205 silent. good advice deleted... > - I replaced the fan by a silent one. > > mjr@dmzrzu71.bitnet Any advice on type of fan? Size, AC or DC, Db rating, manufacturer and model? I'd like to quiet my third party Hard drive box from it's current "loud PC AT" 8-) rating. Bob Pegram@griffin.uvm.edu