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Why tube rectification?
@larryi the 300b can work for lower power equipment like a phono stage. Power tubes can be used as rectifiers, I wouldn't use them for high powered tube amps, but they can make lower power equipment sound really good.  
Why tube rectification?
I like unconventional rectifier tubes, such as the 3b22, 866a, 3b28, also TV damper diodes work very well. The mainstream rectifier tubes don't even come close to the tubes I've mentioned, also these tubes can be used for a full bridge rectifier, ... 
Why tube rectification?
@atmasphere  there is no reason to have voltage sag at higher power with tube rectified equipment if the proper rectifier tubes are chosen.  
Why tube rectification?
@willywonka I don't know why tube equipment manufacturers don't use rectifier tubes such as the 3b22 or 3b28, I have had no problems with these rectifier tubes even if I leave them on 24/7 for months at a time, plus they can be used for high  watt... 
DarTzeel’s new direction
@jasonbourne71 I don’t think bragging rights are why, an exotic sports car would definitely be better.  
Holographic DAC With Air And Decay
The OP seems to have disappeared.  
Tube Amp or Tube Pre Amp
What is your budget for a tube preamp or amp?     
Help - is Krell dead?
Krell has a new website, but I'm not sure if they are responding yet to email and phone calls.  
No bass on B&W 800D2
@joey_v he's not using a Boulder amp.  
300b lovers
@lynn_olson how could Don Sachs have been building pp amps for decades when he first owned a tube amp in 2004?  
Open baffle speakers
@terraplane8bob I totally agree, I've never heard an unamplified musical instrument have tight low bass like some amplifiers and speakers produce.  
Pass labs krell parasound amps
@richardbrand I'll bet it's more than 80 watts into 8ohm, most manufacturers that claim this doubling underrate the 8ohm measurement, still the krell ksa amps are as close as you can get to a perfect voltage source.  
Preamp upgrade
@chenry I always look for point to point wired tube equipment that all the parts are easily sourced and available, there are many small manufacturers that do this. Some of the bigger manufacturers may use circuit boards that later are discontinued... 
Open baffle speakers
@mijostyn the wall behind the speakers is not supposed to be damped with the apogee speakers, which are dipole. You are the only person I have ever heard say this.  
Pass labs krell parasound amps
@dclone I have to agree on the krell 300s, I have one and it was too bright until I put a good tube preamp in front of it.