Review: The IQ Audio M300 MonoBlock amplifier is deceivingly good, delivering rated power with pristine fidelity and finesse in an efficient, cool running pint sized package. Class D at its best.

Linear Tube Audio’s Century Monoblocks: hand-built ZOTL amps with Screen-Drive tubes, 110 W/8 Ω, low output impedance, and full balanced inputs. Just over the D.C. line, Linear Tube Audio handbuilds ...

Are you serious about your stereo hi-fi system? Are you, though? Then strap in: this is where you need to be for the next few minutes. Audio Research’s self-declared "finest-ever power amplifier" is ...

McIntosh celebrates 60 years of hi-fi with reissues of classic amps. Included are the MC75 monoblock tube amp (originally released back in 1961) and the C22 preamp (introduced back in 1962). The ...

It’s also described as the company’s “finest amplifier ever” When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Add us as a preferred source on ...

Here’s an exercise in excess if we’ve ever seen one. While working on his undergrad at Michigan State, [Gregory] thought it would be a great idea to build an all-tube home theater system. He calls his ...

McIntosh Labs is taking it back to Woodstock ‘69 for a faithful recreation of the iconic monoblock amp that powered the very first festival. This updated MC3500 Vacuum Tube Amplifier Mk II harnesses ...

Digital is planning its first Class D amplifier and preparing multiple upgrade options for its existing flagship Casablanca III HD preamp/surround processor. The card-upgradable Casablanca, whose base ...

The Reference 160M (REF160M) has new circuit topology with shorter signal paths and fewer, ‘better’, components. When you purchase through links on our site, we may earn an affiliate commission.

[Simon] wrote in to tell us about a headphone tube amp that he just built. It is based on schematics at diyaudioprojects.com that were actually featured on Hackaday in the past. [Simon’s] design adds ...

The tube audio amplififer was designed using SRPP 12SL7 tubes as the driver stage and SIPP KT88 tubes as the output stage to produce a Class A Ultra Linear Amplifier. This amplifier can be regarded as ...