(Ma-ch lez) proper n.
A brand of boutique guitar amplifier, utilizing hand-wired class A* circuitry, and low output power, Matchless’ have become popular for recording because of their ability to distort at low volumes. Matchless amps are powered by EL34 or EL84 power amp tubes, the former being used most popularly by Marshall, the latter by Vox and Gibson.
* = As opposed to the more popular Class A/B, used by Fender and others, which delivers more power per tube.
Used by Joe Perry (Aerosmith), Lenny Kravitz, Mike McCready (Pearl Jam), Billy Gibbons (ZZ Top), Rusty Anderson (Paul McCartney), David Rhodes (Peter Gabriel), John Jorgenson (Elton John), and many more.
Matchless is the epitome of boutique amplifiers.