Garden Sound

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Gyraf G9

This was my first big project with the training wheels off, meaning no comprehensive build guides, no parts kits, no official support. This was also my first foray into vacuum tubes and high voltages so I made the decision to move slowly and work methodically. The result was a pair of transparent and flexible vacuum tube preamps that worked nearly perfectly the first time I powered them on (nervously, fire extinguisher in hand).

How does … Read the rest “Gyraf G9”