Rogue Owners Unite


Hello Rogue Owners. The goal of this thread is to let Rogue owners discuss the tubes they have tried in their amps/preams and discuss other tweeks that have been implemented with success. It would also be nice if you'd post your system components to help us compare notes.
buckingham

Showing 6 responses by philjolet

precbsed
Mine sounded much better (more like the same amp top to bottom [cohesive?]) after about 2-3 weeks of 6 hour days.
I predict happiness in your future.
precbsed
I converted a stock 88 to a Magnum 88. It turned into a new amp. Besides being more extended and detailed (by quite a bit) It was also much more robust and dynamic. (Something I should make clear was my old 88 needed tubes before I upgraded it.) Still it was a smashing success. The best time to upgrade is when you need tubes (if Rogue puts in the tubes you want to live with - mine came with Electro Harmonex 6550s.)
This is a follow up to the last post. I forgot, I have a lot of tube rush in my phono section which make it almost unplayable. What is the best fix?

Thanks again
I have the 99 Magnum and 120 Magnum. The 99 has Philips 5814A tubes (?) in the output amplification stage and 12AX7 Sovtek in the the critical part of the first gain stage (on the left looking from the front of the unit) and a 12AX7 GE in the other slot. My 6SN7GT tubes have no other markings. I do not know what this means or who made them.
My 120's have Polish 12AX7, Hewlett Packard 5963 (Japan), and Electro Harmonix 650EH (Russia) tubes.
All are stock tubes (from the factory).
I have a Rega CD2000, Linn LP12/Rega 300B/Grado Sonata 4.5mv, and Magneplaner 1.6QR's all connected with Nordost Blue Heaven IC's and speaker wire.
SOUND
lush bottom end (pretty defined a little thick)
a little suckout in the mids,
a slight glare in the high end and a little bright and thin for my taste,
the sum is a very detailed and coherent sound with a neutral quality that has pretty lush harmonics. The tone on horns can be very nice but piano sounds a little thin for my taste. There is quite a bit of dynamic range. The speaker rolls off in the high end (some people think it is not detailed, I disagree) the sound is a little closed in as a result in my opinion.
I would like more definition in the bass and a warmer midrange with smoother high end.
Can anyone tell me the best tubes to replace?
What are the Philips 5814 tubes?
Should I replace the 12AX7s?
Any ideas what the 6SN7s are?

Sorry I do not have tips or answers for anyone else.
I will probably call Kevin Deal as well.

thank you, it is good to know there are others who appreciate Mark O'Brien and Mark Walker at Rogue who have been like best friends to deal with and make a very quality product.
I posted earlier if you want to see my system and stock tubes.
I put Mullard cv4004's (12AX7's) in my Rogue 120 yesterday and so far they are a little blurry and washed out in comparison with the tubes that came with the amps from Rogue. They are a little lusher sounding but the bass is now flat when it was amazing. I slightly prefer the tone and it is sometimes more natural sounding now. I hope some of the other attributes come back over time. (does that happen? do tubes break in?) I may put the other tubes back in, time will tell.
I thought this was relevant because other people have posted raves about these tubes from Kevin Deal and this is not such a rave, but more like a step sideways from the very nice tubes Rogue put in to begin with.
BTW I did not like talking to Kevin Deal on the phone - he was very difficult to get info from.