Voltage Scaling in Amplifiers – Power Scaling / VVR

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Dana Hall’s VVR3 PCB kit. Power Scaling (a London Power trademark) and VVR, which stands for Variable Voltage Regulator, (Dana Hall of Hall Amplification’s version of Power Scaling) are currently two of the hottest topic’s in the Guitar Amp world. Both are methods which allow you to scale back the voltages within your amplifier to … Read more

Blackstar ISF Control – What’s going on there?

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Blackstar Amps have quickly established themselves as one of the forerunners of the “new to the scene” amp  manufacturers. Some great amps twinned with some really interesting tech have really helped push Blackstar to the front of a pretty saturated market. One of their most interesting innovations is their patented “ISF Control” (“ISF stands for … Read more

Humbuckers – The Original Gibson P.A.F, Theory and Design Considerations

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Humbuckers Dissected – image from StewMac.com  [1] So, we’ve all played guitars with humbucking pickups right? The warm, chunky yet still cutting tone humbuckers can produce has lead to some of the greatest guitar tones in Rock ‘n Roll. Just imagine; where would the world be with out Angus Young’s signature humbucker equipped Gibson SG along with his … Read more

Premier Guitar – The Ultimate Tube Screamer Mod Guide

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Here’s a great article by Dirk Wacker that has been online for a while over at http://www.premierguitar.com. It’s basically a discussion of the most popular mods that can be performed on your good ‘ole Tube Screamer – op amp changes, fatness mods, tone shifts, clipping options e.t.c. Here’s the link, check it out: http://www.premierguitar.com/Magazine/Issue/2007/Jan/The_Ultimate_Tube_Screamer_Mod_Guide.aspx