I have the 788 and am still within the return window. After some research I found the SU-8+SP200 combo as a possible better option. My daily headphones are Hifiman Ananda, HD600, and Grado 325e. I do not use any of the features of the 788 and everything is running balanced xlr except the Grados...

I am running an Aune T1 as DAC and the Valli 2 as the amp. Should they both have the same tube? If not, has anyone running this setup found a good combination? 

From reading other posts I have learned that it is generally recommended to not use low impedance headphones with Class A otl amps. My question is: Is there a general "rule" about how low is too low in terms of impedance? In other words, is there a lowest recommended impedance for use with those...

Hi everyone,    I have two sets of cans DT770 250 and SRH-840. I like the soundstage and bass of the 770's but hate the highs (sibilant) and mids (too recessed) and love the mids and highs of the 840's but hate the bass.    Looking for suggestions for a set that combines the bass of the...

First of all, I have read this forum for a few weeks and feel that the people here are incredible knowledgeable with top-notch advice. Therefore, in my first attempt at building a headphone system, I seek your advice because I have reached an impasse.      Here is the current equipment I have...