Products

Friendly sites:

https://newaudioportal.com - NewAudioPortal forum (Russian language), the old "AudioPortal" reincarnation, moslty tube related.https://www.diyaudio.com - one of the largest and most famous DIY forums (English).https://hi-fidelity-forum.com - popular Ukrainian audio forum (Ukrainian and Russian languages).http://forum.vegalab.ru - popular Russian audio forum.https://www.audio-perfection.com - private US-owned forum (Russian).http://www.audiodesignguide.com - Andrea Ciuffoli private site (English).