MusicRadar

“You’ll notice when you play it. You hit this pedal on and your amp just becomes huge… It’s just this big, big sound”: EarthQuaker Devices and Dr Z team up for a tub…

The ZEQD-Pre has an EF86 pentode just like Dr Z's sweet high-end amps, and it might just give your rig the analogue warmth, ...
IEEE

High-Efficiency Dual-Band Balanced-to-Doherty Mode-Switchable Power Amplifier With Large Frequency Ratio

Abstract: This article presents a design method of dual-band power amplifier (PA) with switchable balanced and Doherty modes to obtain a mismatch resilience and a larger concurrent power. By designing ...
Darko.Audio

10 CD players (& transports) for your consideration in 2026

However, the standout trend for 2025 is that many CD players now include digital inputs, allowing them to serve as DACs for ...
ecoustics

Are Audiophiles Really Flocking Back to CDs? Pro-Ject’s CD Box RS2 Tube Seems to Think So

Pro-Ject’s CD Box RS2 Tube doubles down on Red Book CDs with a balanced tube stage—no SACD, no digital inputs, and a $2,300 price tag. At over $2,000 USD, the CD Box RS2 Tube is a serious financial ...
IEEE

High Power Microwave Signal Generation Based on Recursive Balanced Power Amplifier

Abstract: This paper presents a high-power microwave oscillator using a recursive balanced amplification technique. The proposed architecture is configured by a balanced power amplifier (BPA) with ...
ChannelNews Australia

Pro-Ject Doubles Down on CDs With Tube-Powered Flagship Player

Austrian hi-fi specialist Pro-Ject is giving the humble compact disc a high-end revival with a new tube-powered flagship player. The new Pro-Ject CD Box RS2 Tube sits at the top of the company’s RS2 ...