The Usual Suspects: 12 Portable Amps Compared
More and more I’m getting questions from people who are looking to purchase a portable amplifier and are confused over the choices available in…
Portable Amps
RSA-SR71B First Impression
The SR-71B takes the concept of portable balanced amplification that was first introduced in the Protector and upped it even more. Reading the product…
Ibasso PB-2 First Impression
Here comes the new balanced amp from Ibasso! To counter RSA’s quad-mono SR-71b, Ibasso has created quite a monster portable amp in the form…
Vintage Headroom Amp
My buddy Questa sent me an old vintage HeadRoom amplifier. It doesn’t even have HeadRoom’s new logo on it. On the front faceplate, it…
Headstage: The Arrow Amplifier
I think it was in 2008 that I discovered about the existence of a new amplifier called the Headstage Arrow. At that time, Robert…
Superlux HA3D Amplifier
Taiwanese brand Superlux continues to introduce products that upsets the pricing standard of professional audio products. Not stopping with the HD668B monitoring headphone that…
ALO Rx Mk2
Building on the success of the first Rx amplifier, ALO has released a Mark-Two version of its popular Rx portable amplifier. The ALO Audio…
IBasso PB1 Toucan Unboxing
The buzz on the Ibasso PB1 Toucan amplifier has been growing quite steadily on the local headphone community. Ibasso has been making good amps…
Pico Slim: First Impression
I almost gave up on the Pico Slim due to the seemingly never ending delays. Then, one day, the Pico Slim appeared. The box…
Audiotrak ImAmp
There has been an abundance of relatively small sized desktop headphone amplifiers, mainly from China, but the ImAmp caught my eye due to the…
Fiio E7 Portable DAC
After several low budget amplifiers (E1, E3, E5), Fiio now enters the market with a more serious E7 Portable DAC/Amp. It’s hard to find…
Doobooloo’s Portable Balanced Amp
Doobooloo designed and built his balanced portable Doobooloo amp way back in 2008. The thread is dated November 1st, 2008, much earlier than Ray…
RSA Protector and Sennheiser HD25-1
When I discovered how great the HD25-1 was when driven balanced, I quickly realized that even though the improvements were great, still it was…
RSA Protector: Source Issues
The Protector is roughly at the 50 hours mark. I’ve been quite happy with it now. Any grain and harshness that I noticed when…
RSA Protector: It’s Here!
At last. The eagerly awaited RSA Protector is here. Ray’s post on Head-Fi announcing the development of the RSA Protector was dated 12 December…