2. amps-preamps
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Rogue Audio 99 or CJ Classic Preamp?

I'd like to upgrade my Rogue Audio Cronus Magnum integrated amp to a separate preamp and amp combo. I know I want the RA M-180 monoblocks, but I'm still undecided as far as the preamp is concerned. It's a trade-in with my dealer who carries RA, CJ and BAT. He recommends the RA Stereo 99 line stage (I already have a separate phono preamp), but the CJ Classic is about $600 less expensive so I'd like to get your opinions on the choice. The Rogue has no doubt an edge over the Classic in many aspects: remote volume control, adjustable gain settings, mono switch, and separate power supply. The Classic, however, has pretty good reviews and I've always wanted to own a CJ.
In the alternative, I'd also consider another brand/tubed preamp in the $2,000 range. The rest of my system: VPI Classic, Lyra Delos cart, Camelot Technologies Lancelot phono preamp, Silverline Audio SR-17.5 speakers. I'd appreciate your opinions and suggestions.
actusreus
reynolds853
386 posts
 
I can't comment about the Conrad-Johnson as I have no experience with them, but I am very happy with my M-180 amp / 99-Magnum preamp combination.
actusreus OP
733 posts
 
Reynolds, I wasn't aware of the Magnum version of the 99 preamp. Is it an upgrade from an earlier version? Either way, it sounds like CJ is out.
Anyone own the Supratek Chardonnay? The price is compatible and it has amazing reviews, but buying directly from Australia is a concern for me.
reynolds853
386 posts
 
Actusreus,

The "magnum" moniker indeed designates as an upgraded model. The Rogue website currently lists the Ninety-Nine Preamp as "99 Magnum."

I believe too that enhancements that bring the "magnum" moniker eventually become standard on later prodcts, so the moniker is not always carried forward even though the enhancements are still used. That might be a little of what's going on for the 99 at this point. It's called the "Ninety-Nine Preamp" in the headline, but the "99 Magnum" in the line where the price is given. But all current 99 preamps are "magnum" versions.
reynolds853
386 posts
 
Regarding the Silverline SR-17.5 speakers, I have a pair in my listening room and have listened to them on both Tempest-II and M-180 systems. To me they sound better on the 8 ohm taps.

This is an aside, but I upgraded the capacitor in the crossover in the SR-17.5 to Duelund VSF. I used Mundorf for the resistor. The improvement is phenomenal.

I actually sold my SR-17.5's to a friend but he won't be able to pick them up until the first of the year. I sold them to help fund my acquisition of Silverline Boleros and when I have the spare funds, without a doubt I'll upgrade the crossover in them to Duelund as well.
actusreus OP
733 posts
 
Reynolds,
This is great info; thank you! I set the impedance back to 8 Ohms and so far I like what I'm hearing.
Regarding the crossover; did you do it yourself or did you have the dealer do it for you? Also, where did you get the parts from and how much did it cost?
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