
Test Used Amp: How to Test a Used Amp Before You Buy
A plain-spoken checklist for power tubes, pots, speakers, hum, and the red flags that should end the conversation.
Instruments, amps and pedals tested over weeks, and albums reviewed for the playing on them, each carrying a clear recommendation and its reasoning.

A plain-spoken checklist for power tubes, pots, speakers, hum, and the red flags that should end the conversation.

Two-way packets or a refillable soundhole tube? A buyer's primer built entirely from the makers' own documentation and published federal wood-moisture data.

Four acoustic-electric guitars compared from manufacturer spec sheets, centered on Fishman and LR Baggs pickup systems.

Four capo mechanisms compared from manufacturer documentation, with clamping specs, radii and dated street prices.

What to check on a new nylon-string guitar, built from manufacturers' published setup ranges and care documentation.

A sourced comparison of digital modelers and amplifiers built from manufacturer spec sheets, power ratings and dated street prices.