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Mains Voltage Selection

Mains Voltage Selection

All our amps provide a means for switching the mains voltage, allowing for worldwide operation. We achieve this selection via 3 voltage switches accessible on the rear of the amp.  These switch between 100/110/120/200/220/240 Vac @ 50 or 60 Hz. When switching between 100/110/120 and 200/220/240, the mains fuses must also be changed. These two…

Biasing your KSR

Biasing your KSR

Biasing your KSR amp is easy, all you need is a simple voltmeter capable of reading DC mV (basically any meter will do). For a 100W or 50W amp such as the Colossus, Gemini, Artemis, Orthos, or Ares, follow the simple procedure below: Remove the back cover via the (4) #2 Phillips screws in order…

Tech Corner

Tech Corner

This is a collection of references helpful for setup and operation of our products. We also have additional info for players who’d like to learn more about how their gear works. One of the most common questions throughout the years — “if I run X cabinet and Y cabinet at the same time, what do I…

Speaker Impedance Demystified

Rear Panel Impedance Switch Selects the impedance connected to the Speaker Output jacks.  This setting should be matched to the connected load.  If using multiple cabinets, they should be each of the same impedance.  See Table 1 for a list of common configurations and the total impedance that should be selected. Table 1 – Speaker…

Our Shop

Our Shop

We make as much as we possibly can in-house. We use our large CNC routers for plywood and sheet metal fabrication. We run our CNC vertical machining center for aluminum and plastic part milling. We take advantage of our CNC laser for aluminum marking and plastics fabrication. Our pick & place machine helps us assemble…

Our Work

Our Work

We take pride in our work — and that is why all our products bear my initials. You can count on supreme quality and attention to detail regardless of what it is you acquire from us. Of course, quality only gets you so far with something as subjective as audio production, and our sound speaks…