New cable soldered in, I wasn't expecting such a change in presentation from this thicker lower capacitance cable! Left-right stereo balance was better, gained significant quantity in bass, flattened the midrange and as expected some more zing in the HF. Detail seemed to have improved also...

RE bass extension. You have to find the right material/music to be sure the phones are capable of projecting those lower notes. Try a bass test track or frequency sweep video on youtube. My RX700's sounded leaner than stock after modifications, and just out of concern I run a bass track test...

The caveat I gather from the above anecdote is that both your amps were driving a very small load (headphones) so the differences would be very little between 'well designed' amplifiers. The power output stages are not used at all. When hooked up to loudspeakers at a sufficient volume, you...

Added photos to my post, a few more quick mods which helped with forward vocals.

Thanks! Apart from the slight HF roll off, it sounds almost like a different headphone with the modifications, would like to A/B compare it to a stock RX700 just to get an appreciation of how much so.

My headphones are a modified RX300 and a modified RX700. ( Will upload pics later) I tried a pair of AKG K92s, which I was very disappointed with. Articulate but very very thin sounding so I sent them back. Next I tried the RX700 based on the positive comments over the years, fresh out the box...

Hi all, A newbie from the UK here. I been reading some good threads about headphone modding and just want to add some of my own experiences. Thanks, Anh