Rogue Audio Stereo 90 Super Magnum Tube Amp

Up for sale is a Rogue Audio Stereo 90 Super Magnum amplifier in excellent condition. The Stereo 90 Super Magnum is in the conversation for the best tube amp under 5k! Don't take my word for it though! 
 
The amplifier won the 2013 TAS Editors choice award for "a rich treble with a gutsy bass and a clarity unusual in its class". 
 
The Super Magnum upgrade was performed at the Rogue factory (receipt included); cost $695: 
  
- Hex Fred diodes in bias supply    
- Screen grid resistors upgraded    
- Polypropylene bypass capacitors in filters    
- Bypass coupling caps    
- PRP resitors in all critical spots   
- Cardas binding posts    
- Cardas RCA jacks     
- Upgraded wiring     
- Upgraded small signal tubes    
- KT90 output tubes 


Since the upgrade was performed, the unit has had less than 200 hours of use. 



Stereo 90 Spec    
  
General Features: 
    
Ultra-wide bandwidth output transformers    
Massive fully regulated high voltage supply  
Matched quad output tubes  
User selectable 4 and 8 ohm output taps  
User selectable triode or ultralinear output (4) KT90, (2) 6SN7, (2) 12AX7 tube complement 
Built in bias meter Integral tube cage  
Machined aluminum faceplate  
Mechanically isolated transformers 
Heavy (2 ounce) copper circuit board  
All precision components 


Specifications:      

output power: 90 WPC   
minimum input impedance: 200K Ohms   
frequency response: 5Hz - 50KHz ± 1dB THD: <0.1% typ., <1.0% at rated power input 
sensitivity: 1.0V RMS   
dimensions: 18"W x 15¾"D x 7"H   
weight: 60 lbs.   
power requirements: 115/230V - 50 - 60Hz




E-mail me if you have any real interest.               


Pass along your phone # if you are a serious buyer.  You can call or text me  at : 646-546-4442           


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