This article started because a good friend of mine dropped a Panasonic SA-XR50 switch-mode amplifier to me for some basic bench test. This article will NOT be a review of that unit, but an ...
Harley Benton has added a compact tube amp switcher to its range of budget-friendly essentials, and retailing at under $100 the Tube Head Switch could be a gig (and amp) saver when running a dual-amp ...
Many single-supply operational amplifiers are capable of rail-to-rail input operation, if they have the proper input circuitry to support this function. This article is an expansion of the blog post ...
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