This is not the happiest way to re-open the magazine after our usual holidays break but I simply can't avoid this. A week ago a true legend of the HiFi arena, James Bongiorno, passed away. It is a sad ...

For the few newbies and novices I'll spend just a few words about this famous hi-end US-based Company. Krell is one of the golden names of the hi-end market and is renowned for designing and building ...

It is not often you get to review an audio component that has its very own page on the wikipedia. Or one that has been around for almost 35 years. One that sold over three million units in that time.

The name Tentlabs will not ring a bell for most of you. It's a small company, located in the Netherlands and founded by Guido Tent. Tentlabs are mostly known for DIY upgrade products, like high ...

It seems like only a little while since the class-T amplifier came upon us, affordable, and good enough to make many a reviewer sit up and sing its praises. Lead by the ultra-cheap and cheerful Sonic ...

The Planets are the entry-level model of the Duevel production line but certainly they don't look cheap! The cabinet is quite usual (MDF, 84 x 26 x 15.6 cm) but things become unusual when you search ...

Supplier: Grant Fidelity Price: 6CA7-Z $230, per grade A pair; KT66-Z $280 per grade A pair, YMMV due to currency volatility. Grade B items available at reduced prices. But, then I hit hitch number 1: ...

After the esoteric DIY designs by our Thorsten Loesch, here on TNT-Audio, here's something simpler, aimed to the absolute beginners. A speakers cable easy to build and cheap which can be considered ...

Cost: Module - 120 UK pounds. Plug-and-play PSU - 350 UK pounds. In 2008 I reviewed the Virtue Audio.ONE and .TWO class-T amplifiers and very much liked what I heard. The V1 and V2 came with a choice ...

Don't think at the SDA-1100 as a simple facelift. No, this amp is a completely redesigned device. Clean the blackboard, please, and start again. The PCB is completely new (see pics) and the layout ...

If you have read my latest test report on the Kuzma Stabi Reference turntable, you already know that I once for quite many years used and loved the vintage Garrard turntables. From 1990 to 1997 I was ...

Two of op amps' greatest faults generally listed are very high inherent gains and relatively poor dynamics in terms of output voltage swings. As for their high internal gain, that's the way they are, ...