One pair of Almarro A340a mono block amplifiers. Original owner. Four years old. The amps are push-pull, 40 watts per channel, with one RCA input, and a 4/8/16…

Monoprice recently introduced several new audio products, including a stereo hybrid tube amp system with Bluetooth ($199.99), a pair of powered Bluetooth desktop speakers ($229.99), and new Select…

BK Butler’s ultimate flagship amplifier design. A100 Monad amplifiers are simply unparalleled in the industry. Single-ended Class A 300B Triode Tube response with over 100W RMS of power!…

For sale Super Zen Triode UFO 2 amp. This is the highly tweaked version of this great sounding little gem. Additional mods include Stepped attenuator and real cherry…

WOW, We have for sale the amazing, highly rated Audio Research Ref 75 power amp. This amazing amp, from the legendary high and audio company Audio Research is…

Air Tight 300B Limited Edition 30th Anniversary Amplifier–next to new with less 100 hours total use time. Beautiful sounding 300B tube amplifier that utilizes perhaps the best 300B…

Linear Tube Audio started in 2015 as the first company to successfully manufacture David Berning’s complex amplifier designs. David Berning is considered one of the best amplifier designers…

Big tube amps like the one pictured above can be a bit intimidating, even to yours truly. First a disclaimer: I’m not an electrical engineer, but I do…

Taking after its big brother the Tiny Terror, this amp helped define the lunchbox style, bringing crushing tones to easy-to-move units. For much less than the more famous…