fletchj

Responses from fletchj

Tube recommendations
  When you say you preamp phonostage uses ecc81/12at7, and ecc83/12ax7, and ecc88/6dj8/6922, is this all the tubes in your preamp, or is this the tubes in the phonostage, with other tubes else where?     Your phono might be only one type of these ... 
KOETSU ROSEWOOD DILEMMA
It is definitely worth retipping. Who retips it, is a matter of what you intend on doing with it. If you intend to keep it and listen to it, you have to determine if you want to hear it as it originally sounded, Koetsu rebuild, or as a classic reb... 
RB-250 tonearm installation Systemdek iix
The JA Mitchell mod, the counterweight, for that arm, is the best. It puts that arm in another league. You definitely should try it. 
Tube Amp for Martin Logan Speakers
I used Curcio modded Dynaco MK111's, on the stat panels, and solid state on the woofers, on ML Sequel 11's, with great results. 
6550 Tung Sol
I have listened to them at length, and the bass is not as full, or powerful, as the NOS TungSol's, and the dynamics, are not as good. Overall, they are closer in sonics than any other current production 6550(IMHO). The thing about new production t... 
How to replaced slpped bely on my Oracle mk 111
I had this exact same problem with my oracle, after it came back from oracle. It turned out that the belt was not slipping, but that the set screw on the motor pulley, was not tight, and the pulley was slipping on the motor shaft. 
Good 6550/KT88 tubes
Since TungSol 6550's are about $600-$900 quad, and GEC's $1200-$2000 quad, Svetlana's KT88's are about the best I have heard, for reliability, and sonics. The ones with the wing C logo, are the ones made by the factory in St. Peterburg. The others... 
Best tonearm under $1500.00 low-mid mass
A used Graham 1.5T. Approx. $900-$1200. 
Manley Steelhead Tube Rolling
Tube rolling is the ticket. The manufacturer set the gear up to sound the way they wanted it to, which is not to say it sounds as YOU wish it to. Tube rolling modifies the sonics, to the tastes of the listener, and is easily reversible. 
What tubes for a EAR p834
The Telefunkens would be fantastic, and better yet, they probably would last a lifetime. You could retube 5 times, as opposed to once with the Tele's, which would make the tele's a much better value, and they do sound great. You should be able to ... 
What Causes Tube Noise at Start-up?
Could be a short in the tubes, could be a loose connection in the tube socket, or it even could be metal fatigue, in the tube itself, which doesn't stabilize, till the metal is heated thoroughly. Truthfully, there are so many variables, that if it... 
Is there a SS amp that can offer tube bliss?
I've been using tube amps for 36 years, and the closest solid state amp, that I have listened to for a length, is the Parasound Halo amps. I've only listened to the big monblocs, so these would be my choice, instead of tube amps. 
Spindle oil
When I purchased my Oracle MK4, there was no bearing oil sent with it. I contacted Oracle, and the brother of the designer, who now runs the company, told me that Mobil 1, 5W30 synthetic, was the oil I should use. 
Tube Myths- Tested Tubes
AlexcThe B&K will not apply operating voltages, to the tubes. So at the 240v? it applies, everything is fine. But the amp applies operating voltage to the tubes, so at 470v?, the tubes show problems. Gs5556 Now you know to ask, not just is it ... 
Tube myths
You know, I have taken a lot of criticism, for offering infomation, that many thought, new tube users, might find useful. Although noone seems to disagree, with the validity of the comments, they seem wholly distrustful, of my intentions. As a kno...