Looking for my first tube amplifier, help appreciated.


Greetings everybody, old school audio gear head here just deciding to begin the search for my first tube amplifier. I am running a Denon DN-A7100 preamp (xlr outputs), a Rotel RB981 on my Chane A3rx-c mains (8 ohm speakers crossed at 80hz), NAD 216 THX bridged on my JL Audio 13w3v3 8 ohm subwoofer in a sealed enclosure (also crossed at 80hz by the Denon).

I have over 300 gigs of wave file CD audio and enjoy everything from new rock to the Beatles.

I am looking to upgrade my system, of course one piece at a time, and really want to start with a tube amp. As a former guitarist I am a big fan of tube amplification so want to give it a whirl on my home stereo.

I was looking at the Audio Research VS60 but it doesn’t have XLR inputs. I enjoy high volumes so am trying to go with as much power as I can for my hard earned dollar. Yes, if money was no object I would drop 10k on a class A monster but that’s not gonna happen lol.

So I am hoping for some recommendations for a reliable and great sounding tube amplifier that has AT LEAST 50w per channel, has XLR inputs and is priced under $2000 on the used market. All recommendations are appreciated, thanks so much! Mike

128x128growboxguy
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Music Reference RM-200, which goes for about $2000 used, the improved Mk.2 version for about $500 more (one sold just yesterday on Audiogon for $2400). One small signal tube and two KT88/120 output tubes per channel for 100 watts. That's right, 100 watts from two tubes, and not because the tubes are run hard, but because designer Roger Modjeski thinks outside the box. Currently in Class A/Tube category in Stereophile’s Recommended List (if that matters to you). Balanced/XLR inputs only.

This is the first I have heard of matching preamp out to the amp input. Here are my preamp specs, any input is appreciated...

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Input sensitivity/impedance (volume at 0db)

(RCA connections)     220mV/20 ohms

(XLR) +4dBu   440 mV/20kohms

           -10dBV   110 mV/20 kohms

Output Level volume at 0db

     (+4dBu)   300 mVrms typ.

     (-10dbV)   75 mVrms typ.