Responses from mtbrider

4 ohm (or 6) Bookshelf speakers. Pass Labs 30.8
I recommend you take a look at Ascend Acoustics Sierra 2 and Sierra 2 EX. Either of these would work great in your apartment and at the listening levels you describe. 
Odyssey "Khartago" Stereo Extreme" amp compared to Schitt's "Vidar" amp
FYI, Khartago Extreme listed by TMR Audio for $999 on this site. 
The new Schiit Aegir Amplifier now shipping
Someone who has received this unit has posted internal pictures over on AC. 
Best bookshelf speakers
Sierra 2's are now 15% off. 
Best bookshelf speakers
As the happy owner of Sierra 2's, I'm not aware of any vertical dispersion issues.   
best interconnect at decent price
Acoustic BBQ from grannyring on this site.   
Cable info
I use the Acoustic BBQ(16g Dueland wire) IC's made and sold by grannyring on this site with my Node 2.  Very pleased. 
Has anybody compared the Brooklyn DAC or Brooklyn DAC plus to the Liberty DAC
If you haven't read it, Art Dudley gives the Liberty a "very highly recommended" review in the November Stereophile. 
Budget SS integrated with great timing and immediacy up to 2k used?
Belles Aria. 
Opinions on these budget integrateds?
I have experience with both the Unison Research Unico(original) and the Belles Aria.  I've used the Unico for 15 trouble free years, and still use it in a second system.  I recently switched to the Aria when I found a good deal on a used one.  I w... 
Single box (Streamer + DAC+ Amplifier ) under $1000
PS Audio Sprout100 for $599 + Chromecast. 
Spatial Audio M4 Turbo S. Is its design competitive with other baffleless speakers?
Use the search function on this site for reviews by owners. 
Any Way To Damp Ringing Stands Without Adding Weight???
I have the 4 post Pangea stands.  I used the closed cell foam pipe insulation as referenced above.  Seems to work well, as I don't feel any vibration with music playing.  I decided to try this because I once used similar inserts designed to be ins... 
Comparing Ribbon Tweeters - Golden Ear vs. Ascend Sierra
I have not heard any GE speakers, but as a satisfied owner of Ascend Sierra 2's, I can say that the RAAL tweeters are very detailed and not fatiguing. 
Most musical valved cd player found used for under $1,000
Jolida JD100