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davide256

Responses from davide256

Weird problem. Bad tube or something else?
sounds like a bad tube with electrical arcing, had the same happen with an AT7 and a power tube. I could see the arcingwhen watching at the base of the tube 
USB DAC question for neutral setup. Please help.
iFi Micro DSD seems popular at $499, intended as headphone amp but can do double duty as DAC to system 
AQ Jitterbug for USB
greater excitement on CA website about USB Regen device... in addition to isolating power feed and better clock, its supposed to improve impedance matching between source device and asynch USB DAC 
Electrostatic speakers and low volume resolution
Low level resolution starts with source. What is your system reference for source? 
Amps under $5k that are resolving at low volumes?
Actually I have no problems with the 1.7's sounding shrill... every shrillness concern I had with them resolved to be caused by other components. But full disclaimer also... I replaced many of the "no name" original crossover capacitors in my 1.7'... 
Describe ube sound vs solid state
Tube amps at the low end of price are more emotionally engaging for opera, tears in the eye at dramatic vocal passages. Solid state requires more money to achieve tear jerker status, more likely to get a mental hand clap than tears. 
Advice for streaming setup only
Eljack, the off the shelf device most favored on CA is Mac Mini because it works well with asynch USB and because it is reliable as a 24x7 server. Since Classics online advertises it has Mac desktop software, you may want to investigate. Make sure... 
What's the greatest bargain in DAC's these days?
You need to go to computer audiophile site if you want more up to date suggestions. Agon is mostly populated by analog afficionado's who have not kept up with current DAC technology. Any DAC recommended that doesn't support asynch USB and DSD is o... 
Need help choosing a DSD DAC
Please don't make the mistake of buying a computer for digital audio. Given the system you have, your post is confusing but if you are budget constrained I recommend the followingAndroid or iPad wireless tablet using Kinsky or Oppo Media control a... 
Prima Luna Premium Pre
They sound different. You need to listen. Putting its simplistically, if you like rock, you will probably go home with the Prima Luna but if you like acoustic music the CJ mid range will win out. 
Anyone using Gustard U12 usb converter?
I replaced a John Kenny MkIII with the Gustard U12... much better. Linear power supply pays dividends for better dynamics, bass performance. 
The Arm/Cartridge Matching Myth
Stylus compliance is what matters... mechanically the same as matching shocks on a car. As an extreme example, the light weight Grace 707 tonearm creates interesting wow and flutter effects matched with inexpensive stiff suspension Grado cartridge... 
Any tricks to firing up a pair of Maggie IIa's?
maggies are usually closer to a 4 ohm load than an 8 ohm load, so its a good idea to use an amp that allows you to more closely match impedance. Also the stand design is kind of floppy, so additional panel bracing is a good idea to keep your trans... 
What makes Telefunken tubes sound better?
What I do see with Telefunken 12AU7's that is different from all but triple mica tubes is a mica ramp situated between the plate spacer posts and the getter. 
What makes Telefunken tubes sound better?
looking for technical details.. was there a particular design, materials or construction principle? What would say of a newer tube "they are emulating how telefunken tubes are constructed"? I can see tube manufacturing differences but which mattered?