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Desktop Amps

Joseph Grado HPA-1

Sublime amp for all Grados (and other ~32 ohm input HP); exquisite but mysterious construction - hard to find

A review on: Joseph Grado HPA-1
kayandjohn

Pros: Sound through Grados; battery-powered or plug-in; tank-like construction; small; on switch includes "stand by" position

Cons: Discontinued; units are old and epoxy has become brittle and susceptible to shock.

Background   In about 1990, when Joseph Grado was designing his HMP-1 Holographic Scalera Scanner (perfectly-matched pair of microphones for recording), he needed some detailed, neutral headphones to diagnose the HMP-1 performance, so he developed the Joseph Grado Signature Products HP-1000 headphone (three versions- HP-1, HP-2, and HP-3).  His headphones came with instructions for...
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WA5-LE Review: My Experiences
WA5-LE Review: My Experiences

Woo Audio WA5 LE

Pros: Very dynamic, vast soundstage, improvement in mostly all aspects over a WA6

Cons: HD800 can still be picky with certain tubes. But this is not this amp's fault!

Great company, Great service and even better sound!
Great company, Great service and even better sound!

Schiit Asgard 2

Pros: Transparent, Warm and inviting, Relatively flat, Smooth yet detailed

Cons: It gets so hot you can fry an egg. I'm not kidding....

Matrix M-Stage HPA-3U: The Legend is Reborn
Matrix M-Stage HPA-3U: The Legend is Reborn

Matrix M-Stage

Pros: Sheer Sound Quality, Immense Output Power, Excellent Features, Amazing Synergy with HD800 & K812

Cons: Inbuilt DAC

Manufacturer

460 Results
JDS Labs Assembled Objective2 Headphone Amplifier

JDS Labs Assembled Objective2 Headphone Amplifier

“     Without referring to "He-Who-Must-Not-Be-Named's" (A.K.A. NwAvGuy) blog, and speaking from my own listening experiences, I really do think the Objective 2 is a great headphone amplifier. No, I don't think this is the amp to end all amps, but it's a dang good one and it only cost me $156 USD (which includes the Triad brand WAU12-200 AC adaptor). In fact, it can be found...” --miceblue

100% Positive Reviews
iFi iCAN headphone amplifier

iFi iCAN headphone amplifier

“ I do not have much experience with many gears, but here is the short story of an amateur in the hobby, how he get to the Micro iCan.   I used Fiio X3 first gen. to listen to music with a Schiit Vali. (And HD600) I liked the line out of the X3, as it was much cleaner, more detailed superior sound over the headphone out. However I used the headphone out sometimes if needed some...” --bestula

100% Positive Reviews
Matrix M-Stage

Matrix M-Stage

“ Me: I am an amateur musician & avid admirer of music from India. I would like to call myself a music enthusiast, rather than an audiophile. I was inspired by music since childhood, and as the time passed, the passion of music grew in me, and that subsequently led me to join Head-Fi. Eventually, I found the pleasure of listening to music mainly by the HD600 and recently, by the...” --YoYo JoKeR

100% Positive Reviews
Schiit Valhalla

Schiit Valhalla

“   REVIEW – Schiit Audio Valhalla Tube Headphone Amplifier     What Sort of Schiit is This?   I read, as did many of you, the head-fi threads about the very popular and attractively priced Schiit Asgard.  But to be quite candid, I personally had about as much interest in an inexpensive solid-state headphone amp as I did in weeding behind my garage.  As such, I have never heard the...” --Skylab

100% Positive Reviews
Schiit Asgard Headphone Amplifier

Schiit Asgard Headphone Amplifier

“I've been reading so many replies and reviews how the O2, Magni and Vali sound the same. After weeks of listening to all of them, (yes I have them all) they are all not exactly the same . I've been using the same music and all else in the system is the same and have only changed the amps. Started with O2, then went to Magni. Yes the Magni and O2 sound very close. The Magni...” --Hi-Fi'er

100% Positive Reviews
Apex High-Fi Audio Peak and Volcano

Apex High-Fi Audio Peak and Volcano

“ I actually decided to buy the Apex Peak/Volcano, I do not regret purchasing this amplifier even though a loaner program was available for sometime, although I don't know if it was still going on when I bought the amp.   For headphones I have the Audez'e LCD-2 and Ultrasone Edition 10.  I only used the ED10 very briefly as I actually prefer the sound of the LCD-2 to the ED10s. ...” --Wedge

100% Positive Reviews
Schiit Vali

Schiit Vali

“I've been reading so many replies and reviews how the O2, Magni and Vali sound the same. After weeks of listening to all of them, (yes I have them all) they are all not exactly the same . I've been using the same music and all else in the system is the same and have only changed the amps. Started with O2, then went to Magni. Yes the Magni and O2 sound very close. The Magni does sound a tad...” --Hi-Fi'er

100% Positive Reviews
Schiit Asgard 2

Schiit Asgard 2

“ First my bias: I am a jaded audiophile for over 20 years who still use my Linn Sondek with Lyra Helikon and all tube Conrad Johnson phono stage and preamp; writing this because it's rare that such a modest and inexpensive product has been so much fun to use for me. This company deserves all the success that will come its way. My first choice is always tube but because this amp is going to be...” --cannga

78% Positive Reviews
Bravo Audio Ocean

Bravo Audio Ocean

“ Me: I am a 21 year old student living in a small town in India. I would like to call myself a music enthusiast, rather than an audiophile. I was inspired by music since childhood, and as the time passed, the passion of music grew in me, and that subsequently led me to join Head-Fi. Eventually, I found the pleasure of listening to music mainly by the HD600 and recently, by the seductive...” --YoYo JoKeR

100% Positive Reviews
Meier Audio Corda Classic

Meier Audio Corda Classic

“ REVIEW: Meier Audio Corda Classic solid state headphone amp.   Introduction   My first serious headphone amp was the Meier Audio Corda HA-2 Mk II.  It was something of a revelation to me at the time – I had never heard a headphone amp that sounded as good.  I didn’t have much experience with headphone amps back then, and the HA-2 mk II was a huge cut above anything...” --Skylab

100% Positive Reviews
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