REFINE YOUR THINLINE
1 KILL FEEDBACK–CHANGE YOUR SPEAKER
With more and more venues insisting on whisper-quiet stage levels, it makes low-wattage amplifiers and feedback-prone guitars with unpotted pickups more viable for gigging than they’ve been in decades. When stacks were king, even centre-block-equipped guitars such as the ES-335 could be problematic.
F-holes stuffed with rags or foam are probably less necessary these days, but something that’s relatively unexplored is how the resonance frequency of individual speakers can impact on the onset of feedback. While auditioning speakers for a bespoke amp build, we noticed that two ostensibly similar alnico-magnet, 12-inch drivers–the Celestion Blue and the Warehouse Black & Blue–interacted with the guitar very differently.
Feedback happened
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