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Klaus Eulenbach

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KEF LS50 Meta: The Queen of Voices

  • Audio Blog
  • Chord
  • HEDD
  • KEF
Klaus November 1, 2021 2 Comments
LS50 Meta Review

Review of the KEF LS50 Meta driven by Chord Anni and compared to HEDD Type 07 MK2. Awarded as the Queen of Voices. Find out why!

Stepping Up My Game

  • Audio Blog
  • General
Klaus May 28, 2021 1 Comment

What is this blog even supposed to be? In my introductory post I said: “My intention is not to create another review blog.” But it…Read More

Softears RS10: Reference Sound Has a Number

  • Audio Blog
  • Softears
Klaus April 16, 2021 No Comments
Softears RS10

Welcome to this deep analysis review of the Softears RS10. There has been a lot of praise of this IEM in countries where it’s already…Read More

HEDD Type 07 MK2 as Home Speakers

  • Audio Blog
  • HEDD
Klaus April 11, 2021 6 Comments
HEDD Type 07 MK2

Full disclaimer first: I work for the smart people at HEDD Audio! I’m fairly new to the company so I have absolutely zero involvement in…Read More

Flavor of the Month: Softears Turii

  • Audio Blog
  • Softears
Klaus March 5, 2021 No Comments
Softears Turii Chord Mojo

The Softears Turii is a high-end reference flagship IEM. Its unconventional design has the slogan “twist your ears” and is a showcase for the capabilities…Read More

Disclaimer

  • Audio Blog
  • General
Klaus March 5, 2021 No Comments
CanJam 2013

This is a general disclaimer concerning my blog and articles. You can jump a few paragraphs ahead if you do not care about how this…Read More

Softears RSV

  • Audio Blog
  • Softears
Klaus February 15, 2021 9 Comments
Softears Gold Foil

The Softears RSV is the new kid on the block. It is an extremely refined 3-way universal IEM with 5BA. I have written an introduction to…Read More

Softears RSV Measurements

  • Audio Blog
  • Measurements
  • Softears
Klaus February 7, 2021 2 Comments
Softears RSV

As announced in the Softears introduction post, here are the measurements of the Softears RSV, aka Reference Sound 5. Softears RSV Frequency Response Spoiler alert:…Read More

Softears: The Introduction

  • Audio Blog
  • Softears
Klaus February 6, 2021 2 Comments
Softears Case

This is an introduction to the company Softears featuring their products Turii and RSV. Softears is a very young IEM company that was founded 2017.…Read More

Apple AirPods Max

  • Audio Blog
Klaus December 21, 2020 2 Comments

Here are my impressions of the Apple AirPods Max. There’s quite the hype going on around these. Let me jump in and share my impressions…Read More

DUNU Blanche: Is It the Cable?

  • Audio Blog
  • DUNU
Klaus July 28, 2020 7 Comments
DUNU Blanche strings

Oh my god, a cable review. Seriously? „Klaus, what happened to you?“ Let me explain. And, welcome to my DUNU Blanche sort-of-review. Preface I am…Read More

What Is It Like to Be an Audiophile?

  • Audio Blog
  • General
Klaus July 14, 2020 6 Comments
Audiophile

I consider myself to be an audiophile. But what does that even mean? Does that automatically make me an elitist and intolerant consumer who laughs…Read More

Frequency Response: 64 Audio A18s

  • Audio Blog
Klaus June 28, 2020 No Comments
64 Audio A18s

64 Audio has released a new addition to the studio & stage monitoring flagship A18 Tzar. The new A18s is advertised as being more suited…Read More

Lotoo PAW S1 Filter Presets

  • Audio Blog
  • Lotoo
Klaus June 27, 2020 5 Comments
PAW S1 Equalizer Filters

The Lotoo PAW S1 USB hifi-dongle is a new audiophile portable DAC. It has a very efficient circuitry that creates a clean, powerful and energy-saving…Read More

Lotoo PAW S1 Firmware Update 1.0.0.7

  • Audio Blog
  • Lotoo
Klaus June 26, 2020 No Comments
Lotoo PAW S1

I received this firmware update a bit early. I am using it since Tuesday, June 23rd. So far it seems to run stable and works…Read More

Flavor of the Month: DUNU Luna

  • Audio Blog
  • DUNU
Klaus June 25, 2020 2 Comments
DUNU Luna title

DUNU is a well-respected audiophile-first company based out of Shenzhen. After stepping outside their OEM roots, DUNU have shown strong presence in the Head-Fi community.…Read More

Flavor of the Month: final A8000

  • Audio Blog
  • final
Klaus May 28, 2020 No Comments
final A8000 title

The final A8000 are high-end reference earphones that use a single true beryllium driver in a complex acoustic chamber. As the Japanese company’s flagship, they…Read More

Quick Impressions: SoundMAGIC HP1000

  • Audio Blog
  • SoundMAGIC
Klaus May 12, 2020 1 Comment
SoundMAGIC HP1000 title

I share my quick impressions on the SoundMAGIC HP1000. The HP1000 are the company’s latest flagship reference headphones and are competitively priced at 269 USD…Read More

Caricatures of Headphone Users

  • Audio Blog
  • General
Klaus April 22, 2020 No Comments
Who am I?

This is a tongue in cheek characterization of the different users that appear in headphone-related discussion boards. Please don’t be offended. Image taken from the…Read More

64 Audio tia Fourté & Michael Jackson

  • 64 Audio
  • Audio Blog
Klaus April 21, 2020 2 Comments
Michael Jackson Hugo 2 tia Fourté

This article is a review of the 64 Audio tia Fourté with a focus on the music of Michael Jackson. A lot has been said…Read More

Constructing an Audiophile IEM Reference Target

  • Audio Blog
  • General
  • Measurements
Klaus April 19, 2020 1 Comment

Discussing RAW frequency responses is hot right now. More and more audiophiles are starting to create their own measurement setups. So did I. But what…Read More

qdc Neptune versus NF Audio NA1

  • Audio Blog
  • NF Audio
  • qdc
Klaus March 22, 2020 No Comments
NF Audio NA1 vs qdc Neptune

I had planned to write a normal review on the NF Audio NA1, but I also remembered that I never really mentioned the qdc Neptune…Read More

Impressions: Hifiman Ananda BT

  • Audio Blog
  • HiFiMAN
Klaus March 14, 2020 No Comments
Ananda BT title

I have taken part in the Hifiman Ananda BT loaner tour on Head-Fi. Thank you very much to Hifiman for giving me the opportunity to…Read More

Understanding RAW Frequency Graphs

  • Audio Blog
  • General
  • Measurements
Klaus February 29, 2020 3 Comments
RAW in-ear target with piano keys and frequency

First off, I should apologize because this post is long overdue. I have been sharing raw measured frequency graphs without ever explaining them. So I…Read More

InEar ProPhile 8 vs 64 Audio A18t

  • 64 Audio
  • Audio Blog
  • InEar
Klaus February 28, 2020 No Comments
64 Audio A18t vs InEar ProPhile 8

It is no secret that the reference-tuned InEar ProPhile 8 are one of my favorite IEMs. In my opinion, they are possibly the best set…Read More

Frequency Response: InEar ProPhile 8

  • 64 Audio
  • Audio Blog
  • InEar
Klaus February 25, 2020 No Comments

The InEar ProPhile 8 is considered to be a reference of any IEM in regards to neutral frequency response. I personally share that opinion. (Read…Read More

Unboxing: NF Audio NA1

  • Audio Blog
  • NF Audio
Klaus December 2, 2019 No Comments
NF Audio NA1

Welcome to the unboxing of the brand new NF Audio NA1 single dynamic IEM. These monitors sell for ~169 USD excl. tax, and as of…Read More

News: Updated RME ADI-2 DAC (November 2019)

  • Audio Blog
  • RME
Klaus November 24, 2019 2 Comments
RME ADI-2 DAC 2019

The RME ADI-2 DAC has received a silent refresh. The name remains the same. Internally, the chip by Asahi Kasei Microdevices has been updated from…Read More

Flavor of the Month: AZLA Horizon

  • Audio Blog
  • Azla
Klaus November 21, 2019 No Comments
AZLA Horizon close-up

May I present you my flavor of the month for October/ November? The rare to find AZLA Horizon secured the spot this time around and…Read More

Measuring Custom IEMs

  • 64 Audio
  • Audio Blog
  • Jomo Audio
  • Measurements
  • NF Audio
  • qdc
Klaus November 17, 2019 No Comments
Measuring CIEM

As you might have noticed, I too like to measure my IEMs and study their frequency response. Though it doesn’t tell the whole story, there…Read More

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