What size of screw and torque screwdriver do I need for Cambridge Audio A1MK3? - diyAudio
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Old 5th October 2010, 01:41 PM   #1
diyAudio Member
Join Date: Oct 2010
Default What size of screw and torque screwdriver do I need for Cambridge Audio A1MK3?

I want to remove the casing for the Cambridge Audio A1 (MK3), I can remove the back screws easily with a small flat-ended screwdriver, but the four on the sides have star nuts and are far too tightened for a screwdriver. Anyone know the size/type of torque screwdriver I need for these? It might be the same for most amplifiers, I'm just not in the know.
I basically want to check if a fuse has blown on the circuitboard/check nothing's burnt out because the power's gone.

Thanks in advance
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Old 6th October 2010, 12:31 AM   #2
Enzo is offline Enzo  United States
diyAudio Member
Join Date: Sep 2004
Location: Lansing, Michigan
See if you can get one loose with an appropriately sized Allen wrench (hex wrench), then take the screw to a hardware store and find the driver that fits. I have a collection of Torx drivers next to me, and I use most of them. SO if there is a "standard" size, I am not aware of that. I probably use the T15 the most, but that is no guarantee in your case.
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Old 6th October 2010, 08:30 AM   #3
diyAudio Member
Join Date: Oct 2010
Hey, thanks for the advice. In the end I found I'd only blown the power plug fuse, so it wasn't as big a problem as I thought, and the power's back! I'll probably get an allen wrench in case they go under the roof, so this is excellent advice.
I now have a problem of finding an appropriate cartridge for my Dual CS 506-1. It says Made in Japan 524, so need to investigate...
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