My rules are:
1. If it sounds good to you, then it’s right.
2. Refer to Rule 1.
http://hometheaterreview.com/its-time-to-start-breaking-old-school-audiophile-rules/
Footnote: a darkened room allows the brain to focus on aural perception, with less or no distraction from visual stimuli. There’s a serious argument for this, based on psychological understanding. I’m currently preparing an article on this for Witchdoctor.
PS – I’ve been lovingly assembling a record library since 1972, now with more than 3,000 LPs collected. With well recorded music and well pressed disc in good condition and clean, the musical experience is marvellous. I have no interest in arguing about what’s best, as such subjective evaluation is interesting but for me not the foundation for boys to compete.