Author: Carlos G

Adcom GDA-600 DAC upgrade with SS-Audio discrete Op-amp

The op-amps were the last of several sections that were upgraded in a Adcom GDA-600 DAC from a thread in DIY online. Listening was done after each section , power supply upgrade , caps around op-amps, the op-amp change and lastly the reserve caps at pin 4 to 8, each with SS-Audio discrete op-amp making […]

Jolida JD9 Phono preamp upgrade with SS-Audio V5i Op-amps

I received the SS-Audio V5i op-amps. Replaced the cheap IC holders with machine tool sockets used in the preamp. This made for a much nicer and more secure installion of the V5i, they fit great. After listening for about a week, I have noticed a much improved sound stage. But the first thing I noticed […]

Xonar Essence STX II upgrade with Burson Audio V5 discrete Op-amps

I decided to upgrade the Op-amps in my Xonar Essence STX II, I bought 3 Dual Burson V5 discrete OP AMP’s and the sound quality is above anything I have heard from this card yet. My speaker system is a Klipsch Promedia 2.1, and my two headsets are the Astro A40 and the V-Moda M100’s. […]

DIY WM8741 DAC upgrade with V5 Discrete Op-amps

This was a little project I put together after looking around the net for a good DIY project, trying out a couple of DACs along the way. I really liked the sound of the Wolfsons and looked around for a board using these chips. The board I purchased was as a kit from ebay designed […]

Audio Analogue Donizetti upgrade with SS-Audio V5 (Update)

SS-Audio discrete V5 Op-amp was the finishing touch. First step was recapping, according to the instructions of the Audio Analogue Donizetti designer, mr Federrico Paoletti. Capacitors in the supply stage have been changed from Kendail 4700 uF for Nippon Chemi Con 6800 uF – 12 pcs so the capacity have been rised from 28200 uF […]

Karan Acoustic KA L Preamplifier upgrade with SS-Audio V5 Op-amps

My Karan KA L, a very highly regarded pre amp made in Serbia, have got a few OP Amps in it and the newer versions of this one (MkII/MkIII) have discrete modules. I wanted to try discrete modules in the two pairs that Milan Karan selected for the discrete upgrades. Besides, the Karan modules was […]

Aune S16 DAC upgrade with SS-Audio V5 discrete Op-amps

I changed all the op-amps on my Aune S16. The sound is much better. Scene, transparency, natural are much better. I changed almost all capacitors in my DAC. Now I listen to quite a different device. Much better than the original. Thanks Burson Evgeni I.

Gustard H10 Mod with SS-Audio V5 Op-amps

Gustard H10 Discrete op-amp

Gustard H10 Mod 2 x Dual + 2 x Single SS Opamp V5 OPA resulted in somewhat higher gain. applied -6db to amp to achieve roughly the same volume settings as stock. Biggest improvement noticed is in bass performance, HE-400i headphones lost their weakness in that area with this upgrade. Also modified amp final heatsink […]

Sony CDP-CX455 upgrade with SS-Audio V5 Discrete Op-amps

1.Sony CDP-CX455 2.The modules are applied after the lpf opamp, IC302 IC402 amp signal. 3.I replace the sparkoslabs SS3602 Evaluation The V5 discrete Op-amps do a lot more than just combine the best of two op-amps. They bring a certain level of authority to the music, a quality that I found severely lacking with all […]

Assemblage DAC 3.1 SE upgraded with SS-Audio V5 Discrete Op-amp

I had the time to perform some listening today of the V5 Discrete Op-amp in my system. The system is as follows: Room : 18m2 treated passively (bass trap, large band absorber and diffuser) Source: NAS + 3Dlab Nano transport Sound processor: dirac minidsp ddrc22 (to mainly treat the area below 300 and correct the […]

TRU technology b4100 upgrade with SS-Audio Discrete V5 Op-amps

Car audio discrete op-amp

Upgrading a car amplifier (TRU technology b4100s and only to the optional S-module preamp card.) Stock opamps were 3x AD275. Did a factory upgrade to BB2064 then did a DIY upgrade to BB627au, then upgraded all the caps to WIMA MKS2 and Elna Silmic II, then upgraded to SS-Audio v4 and now v5 discrete op-amps. […]