Once Upon a Studer

Ciletti, Eddie
December 2006
Mix;Dec2006, Vol. 30 Issue 12, p80
The article investigates the causes for the heating up of the soft power-up circuits in Multitrack recording device, Studer A827. The author finds that the power resistors are placed behind the circuit board which causes the rear panel of the power supply get heated up. The author conducted a test with a low-voltage version of the device and found that the solution was to install the Q5 and Q7 Mosfets.


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