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mofimadness

Responses from mofimadness

why is a step up transformer used
Sorry, I wasn't as clear as I wanted to be in my comments above. The Krell KPE phono stage could only be powered from the Krell preamp's power supply or an external power supply. The external power supply didn't give the KPE any extra gain, (for t... 
why is a step up transformer used
I think you might be confusing a step up transformer for A/C power with a SUT for phono?An A/C step up lets you use a lower voltage device, like a 100 volt Japanese unit, in the US or other country.A SUT, takes the very low voltage of a cartridge ... 
Problem with tube rolling 6SN7s
One of the NOS GE's probably has a short in it. Once it warmed up, it kicked the breaker. You could swap out, one at a time, the GE's with a stock Chinese to find which one. 
Sirius radio quality vs redbook cd player
I have a Kenwood DT-7000, which is a stand alone home only Sirius Tuner. I am running the toslink, (the only digital out it has) to a Eastern Electric MiniMax DAC. The sound is really quite enjoyable.It's not as good as MOG or Pandora, (through a ... 
B&K ST202 POWER AMPLIFIER
Which external fuses are you looking for? The ST-202 has the speaker level fuses, (located above the binding posts in a circular tube,) these are 8amp 1/4 X 1 1/4 FAST BLO. The A/C power fuse, (located where the power cord plugs in, in a little tr... 
Crisp sounding tubes for Modwright 5400ES
I wasn't aware that Create made a 5AR4 tube? They have the 6SN7 and the 12AT/AU/AX7's, but I've never seen a 5AR4 by them.Here is a website that sells them:http://aloaudio.com/accessories/vacuum-tubes/ 
Crisp sounding tubes for Modwright 5400ES
Mullard 5AR4 rectifierShuguang/Psvane CV-181T/Z for the 6SN7's.Plenty of info here:http://www.audiocircle.com/index.php?board=14.0 
Any good quality DAC in $300-400 price range?
The Schiit BiFrost is supposed to be excellent. I haven't heard it, but I've read alot about it. It runs new $449 with USB input.http://schiit.com/cart/index.php?main_page=product_info&cPath=0&products_id=7 
Cartridge Upgrade for Rega P-25 Table
I have a couple of Denon 103D's that SoundSmith redid. I also have a Zu Audio/Denon 103 currently on my Oracle Delphi MKIV.I did try one on the P25, but really didn't like it that much. I can't remember why? Maybe just a poor match or maybe it was... 
Cartridge Upgrade for Rega P-25 Table
I have a fully modified/upgraded P25 and have used many different cartidges, all with pretty good success. You say no price range, so it's kind of hard to narrow down. I'll list my suggestions from expensive on down:Lyra Delos (overkill for this t... 
Can 10W 300B tube amp drive Martin Logan Ascent i?
Agree with the above. I was a ML dealer for a long time and the Ascent i's will eat that little 10 watter for lunch. If you listen at VERY low levels, it will work. 
Idol fans weigh in
I'd rather watch paint dry. 
Anyone heard Glenn Frey's New Album, After Hours?
I got this on Tuesday when it was released. I've listened to it several times through and agree. Glenn has an excellent, (but aging voice). The songs he choose to cover, work well with his talent.This album reminds me of the first Michael McDonald... 
Rita Wilson-"AM/FM"
While listening to this again, (and liking it even more), I was sure I recognized some of the duet and back-up vocals. Sure enough, helping her on this album are: Chris Cornell, Sheryl Crow, Jimmy Webb, Jackson Browne, Faith Hill, Vince Gill, and ... 
Got Noise?
Mark,It could also be something coming into the preamp. I would unhook everything from the preamp except the AC power cord and the output cables to the amp. This would be like starting from square one.If you hear any noise, it is either the cables...