Posts by author
Trav Wilson
The popular DIY budget amp has graduated and fully realized its potential. The first Starving Student hybrid headphone amplifier originally debuted in 2008 on Pete Millett’s DIY Audio Pages. Pete…
Review: Hagerman Audio Labs Tuba Headphone Amplifier
Quality over Quantity. Hagerman Audio Labs is a one-man company, located in Honolulu, Hawaii, and dedicated to the design and creation of high-quality audio products. It is the brainchild and…
How to Mod the Fostex T50RP MK3
Today we are taking a look at the famous Fostex RP series of headphones where many headphone enthusiasts and audiophiles were introduced to the fun world of modding. We will…
Review: KZ AS16 [16 Drivers]
A higher-priced KZ IEM with elevated aspirations. But where’s the fun in that? It seems like only days ago that I was writing about the newest Knowledge Zenith (KZ) flagship…
Building the Millett NuHybrid Headphone Amplifier
How a Fluorescent Display became a Triode Vacuum Tube for Audio The NuHybrid is (as you may have guessed from the name) a new type of hybrid tube headphone amplifier.…
Review: Douk Audio Little Bear B4-X
A Curiosity full of Tubes and Compromises Douk Audio (also known as Nobsound), a subsidiary of Shenzhen Cavins Technology Co., Ltd., was founded in 2013 in Shenzhen China. The company…
Review: KZ ZS10 PRO | Long Live The New King
Perhaps Practice Makes Perfect – The KZ ZS10 Pro Review Another day, another new IEM from Knowledge Zenith (KZ). Seriously, I’m doubting whether KZ employees can keep the product lineup…
Balanced vs Unbalanced Audio Connections
Getting the best sound from your headphone setup can be a balancing act, but does it have to be? A typical headphone source (amplifier, DAP, etc.) supports an unbalanced headphone…
Headphone Impedance Demystified: Do I Need a Headphone Amp?
The importance of matching headphones with audio sources in the pursuit of high fidelity audio. Impedance is one of the basic specifications included with almost every quality pair of headphones…
Upgrading the Bottlehead Crack Headphone Amplifier: A Comprehensive Guide
oSo now you have assembled your stock Bottlehead Crack OTL amplifier. You could stop now and live in personal audio bliss. The Crack sounds so good, there really isn’t a…
Building the Bottlehead Crack Headphone Amplifier: A Comprehensive Guide
Originally announced in 2010, the Crack is an affordable tube-based headphone amplifier kit offered by the Bottlehead Corporation located in Poulsbo, Washington State, USA. The company was created by the…
KZ AS10 and BA10 Comparison Review
It Is What’s Inside That Counts Knowledge Zenith (KZ) was founded in 2008 by Zen Li, a classical musician, and Keith Yue, a former Audio-Technica engineer. KZ is a public…
Review: Carot One Titta and Super Titta IEMs Comparisons
The Carrot and the Stick. Packaging and Contents The Carot One Audio Revolution Titta is packaged in a small orange cardboard container with an opening tilt-split top (slightly larger than…
Review: iFi xDSD Portable Headphone DAC Amplifier
An Excellent but Unfathomable Jack of All Trades In the last few years, iFi has done much to gain success with personal audio electronics enthusiasts. They solidified their position in…
Review: Koss Porta Pro Wireless – If it ain’t broke, don’t fix it.
It’s 1984. You just got out of a movie double feature of Ghostbusters and the Karate Kid (and you’re looking forward to watching Terminator and Indiana Jones and the Temple of Doom…
