If you didn’t know better, you might think the phrase “class A amplifier” was a marketing term to help sell amplifiers. But it is, of course, actually a technical description of an amplifier ...

The PA10 is the first portable Class-A amplifier from Astell&Kern ... detailed and refined thanks to the company’s expertise in amplifier circuit design technology that reduces power consumption ...

But otherwise this offers an old-school drive, with a Class A amp circuit driven by a single 6L6 power tube, and an ECC83 in the preamp. Blackstar says the reverb is voiced accordingly ...

McIntosh has announced the MSA5500: a streaming integrated amplifier that applies 100wpc into 8 Ohms (or 160 Watts into 4 ...