At $8,000, the McIntosh MSA5500 streaming integrated amplifier isn't for everybody, but it's hard not to be impressed with ...

Every month we keep a close eye on all our key hi-fi categories including speakers ... Cambridge Audio CXA61 was £699 now £599 at Richer Sounds (save £100 with VIP) With 60W per channel and plenty of ...

Enter an old Radio Shack P-Box stereo amplifier kit. After a few modernizations and tweaks, the result is an 8-transistor stereo amplifier that’s aesthetically pleasing, sounds great ...

The new 9000P is the first Audiolab power amp since the 2016-released 8300XP, and is joined by the new 9000Q preamp.

Technology journalist specializing in audio ... the power amp on/off in line with the connected system. A set of gold-plated binding posts is provided to connect a pair of speakers.

Familiar approximate expressions are subsumed as special cases. Tables consolidating the expressions in an organized fashion are provided. Companion results for metal-oxide-semiconductor (MOS) ...

You can have all the sources (CD player, turntable, music streamer) and as fancy a pair of passive loudspeakers as you can get your hands on, but without an amplifier you simply won't get a sound. You ...

In our latest feature of DIY audio builds, we have [Patrick’s] vinyl cylindrical speaker. He found a pretty inexpensive Bluetooth audio amplifier ... signal for a simple transistor circuit ...