All items tagged with David Hafler (11)

Book Review: Examining Fundamental Amplifier Techniques with Electron Tubes, 2nd Edition

September 26, 2018 by Richard Honeycutt

Book Review: Examining Fundamental Amplifier Techniques with Electron Tubes, 2nd Edition

Richard Honeycutt reviews the second and more extensive edition of this electronics classic, Fundamental Amplifier Techniques with Electron Tubes. He gives high marks to this massive tome that provides useful information about electron tube technology, including their power supplies, for the design and DIY construction of these electron tube audio amplifiers.

The Danish Loudspeaker 100-Year Anniversary Book

September 1, 2018 by Joao Martins

The Danish Loudspeaker 100-Year Anniversary Book

Over the years, audioXpress and Voice Coil magazines have published several company profiles on speaker manufacturers. In 2015, a book was published to celebrate 100 years of the loudspeaker and, in particular, the remarkable contributions of the Danish loudspeaker industry (audio and electronics industry in general is the fourth largest exporting industry in Denmark). This is a valuable book that anyone interested about the loudspeaker industry needs to read.

FREE DOWNLOAD

The Dynaco ST-70 Series 3 Tube Amplifier is Now (Finally!) Shipping

May 1, 2018 by Joao Martins

The Dynaco ST-70 Series 3 Tube Amplifier is Now (Finally!) Shipping

Previewed in 2016, and originally scheduled for Spring 2017, Dynaco (a division of Radial Engineering Ltd.) announced the ST-70 Series 3 tube amplifier is now shipping. Since acquiring the legendary Hafler and Dynaco brands in 2014, Radial Engineering has been carefully working on the Dynaco ST-70 Series 3 tube amplifier, in an effort to create a truly worthy successor of one of the most successful tube amplifiers of all time. The result is finally available!

A Review of Hafler’s PH50 and PH60 Phono Preamps and the PH44 Moving Coil Step-Up Transformer

September 27, 2017 by Gary Galo

A Review of Hafler’s PH50 and PH60 Phono Preamps and the PH44 Moving Coil Step-Up Transformer

To understand more about the Hafler revival, we delve into some of Hafler’s history and the companies associated with it. In this article, Gary Galo reviews the new Hafler PH50 (designed for moving magnet cartridges) and the PH60 (moving coil) Phono Preamps, as well as the Hafler PH44 Moving Coil Step-Up Transformer. All products come from Radial Engineering, the owner of Jensen Transformers and the Hafler and Dynaco brands, which it bought in 2014. This article was originally published in audioXpress, April 2017.

Relaunch of Legendary Dynaco ST-70 Series 3 Tube Amplifier Scheduled for Spring 2017

February 21, 2017 by Joao Martins

Relaunch of Legendary Dynaco ST-70 Series 3 Tube Amplifier Scheduled for Spring 2017

Following a preview at the 2016 High End show, in Munich, the relaunch of the Dynaco ST-70 Series 3 tube amplifier is now confirmed for Spring 2017, with the official launch already scheduled for High End 2017. Since acquiring the legendary brands Hafler and Dynaco in earlier 2014, Radial Engineering has been carefully working on the project, considering all the options to create a truly worthy successor of one of the most successful tube amplifiers of all times.

The Return of the Legendary Dynaco ST70 Tube Amplifier

May 23, 2016 by audioXpress Staff

The Return of the Legendary Dynaco ST70 Tube Amplifier

At the 2016 High End show in Munich, and as advertised, visitors could experience the relaunch of the Dynaco ST70 Series 3, stereo tube amplifier, together with the prototype of a new integrated Dynaco ST-1 amplifier. The return of the Hafler and Dynaco brands was signaled in Munich with the return of what is, without question, the most successful tube amplifier of all time. And the new advanced design was sounding great already.

New Hafler P3100 2-Channel Amplifier Featuring Patented Lateral MOSFET Trans-nova Technology

May 20, 2016 by audioXpress Staff

New Hafler P3100 2-Channel Amplifier Featuring Patented Lateral MOSFET Trans-nova Technology

Following earlier presentations at trade-shows, Hafler (a division of Radial Engineering Ltd.) announced the new P3100 2-channel amplifier will start shipping in July 2016. Designed for both studio recording and home listening, the P3100 follows David Hafler’s philosophy of offering the very highest quality at an affordable price point, and signals the return of a legendary brand following Radial’s acquisition of the Hafler brand from Rockford in 2014.

Hafler’s HA75 Tube Head Headphone Amplifier Gets Recognition

December 28, 2015 by audioXpress Staff

Hafler’s HA75 Tube Head Headphone Amplifier Gets Recognition

We have a policy not to publish news items just for the fact that products have been nominated for the NAMM TEC Awards or other awards. Not that they have merit or deserve the recognition, but because it doesn’t add anything to the information already published. We make an exception for Hafler’s HA75 Tube Head, because it’s good to know it’s getting some attention.

The Borbely Annals - An Interview with Erno Borbely By Jan Didden

February 7, 2015 by Jan Didden

The Borbely Annals - An Interview with Erno Borbely By Jan Didden

Erno Borbely is not a man given to bragging about his accomplishments. But from the venerable Hafler DH200 to today’s high-performance all-FET amplifiers from Borbely Audio, he has left his mark on 40 years of technological audio advancement. Jan Didden looked him up in his home close to Munich, Germany, and talked with him about audio and other tidbits.

Hafler HA75 Tube Head Headphone Amplifier

November 26, 2014 by audioXpress Staff

Hafler HA75 Tube Head Headphone Amplifier

After over a decade of being dormant, Radial Engineering Ltd. purchased the Hafler brand in 2014 and announced it is re-launching a new series of high-fidelity audio products, already previewed at the 137th AES Convention in Los Angeles. One of the most interesting is the HA75 ‘Tube Head’ - a 12AX7 driven tube headphone amplifier with sufficient gain to power any type of headphone.

«
1
2
»