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Rogue Audio Perseus Magnum Preamplifer Review  Print E-mail
Home Theater Preamplifiers Stereo Preamps
Written by Andre Marc   
Thursday, 27 October 2011
Article Index
Rogue Audio Perseus Magnum Preamplifer Review 
Listening
Conclusion

Rogue Audio has enjoyed a loyal following for many years now, and when I reviewed their entry level Atlas power amplifier with Magnum upgrades, I saw what all the fuss was about. It was an amazingly built, made in the U.S.A., ballsy sounding tube amplifier. The Atlas Magnum cast a huge soundstage and was a true heavyweight in the bass area.  It was also priced at an embarrassing to the competition $1995.  As a matter of fact, if I had not already invested in a more expensive tube amp, I would have sprung for the Atlas Magnum.

 

After such a positive experience, I sought out a review sample of a Rogue tubed preamplifier. Mark O’Brien, the man behind Rogue Audio kindly sent me a Perseus preamp with Magnum upgrades.  The standard Perseus sells for $1895, and the Magnum version for $2195. The Perseus has been in production for a number of years, but was tweaked with updated circuitry back in 2009.  

 

Magnum upgrades include:

  • Larger power supply

  • Power supply upgrades

  • Hex Fred high speed diodes

  • Coupling cap upgrades

  • Polypropylene bypass capacitors in filters

  • PRP resistors in critical spots

  • Upgraded 12AU7 tubes

  • Cardas output wiring

These are not just cosmetic or surface improvements. These are significant and somewhat costly parts upgrades. In either version, the Perseus is a full function preamp, with the ALPS volume control that can be commanded via the chunky metal remote.  There is a bypass feature, a mute button, and beautifully machined volume, source, and balance control knobs. There is also a high gain phono section which is user adjustable and compatible with moving coil and moving magnet cartridges.  Unfortunately I won’t be able to report on it as I gave up the vinyl ghost years ago. Around back there are two sets of variable outputs and one fixed output, any of which can be used with a subwoofer.

 

Roge Audio Perseus Magnum Preamp

 

Set Up:

 

Out of the box, the Perseus Magnum is very impressive. The preamp is available is silver or black, and my review sample arrived in a sinister black finish, which made for a rather stunning contrast to the silver knobs. A cage protects the four upgraded 12AU7 tubes that protrude from the top of the chassis in the Magnum version.  I had the Perseus Magnum set up in 5 minutes, as the tubes came pre installed. I put them atop a set of Symposium Rollerblocks for vibration control, and used my reference Acoustic Zen Tsunami II AC cord.




 

 
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