This is one amazing tube integrated amp. Not only is it sonically superior sounding when compared to other tube amps – integrated and power amps, at this price point, it is also tremendously flexible and very well designed. PrimaLuna has listened to its customers and made the DiaLogue Premium compatible with KT88, KT120 and EL34 tubes with just a flip of a switch on the side. With its proprietary Adaptive Auto Bias Circuitry, changing between these tubes is just a matter of swapping out the tubes and you are done. The circuitry in the amp will auto adjust accordingly to the tubes installed. The integrated amp is also switchable between Ultra-Linear and Triode mode via the remote control and depending on the tubes installed will offer a variety of power output, see below (rated at 8 ohms);
KT120 43W 11W
KT88 36W 12W
EL34 32W 13W
Tubes in the input stage are six 12AU7 tubes and the output tubes are KT88s. PrimaLuna has also added an output stage protection circuitry to automatically shut the amp down when the output tubes are bad. The internal wirings are also Swiss derived OFC copper with silver plating. Sonically, with all these goodies inside, the amp is pure musical joy. Depending on the output tubes used and your listening taste, you can choose between EL34s which has a smooth warm mid-range and KT88s or KT120s for a more dynamic punch and wider extension. If you have a collection of all these three tubes, you would be very busy with this amp as you would be swapping the tubes and enjoying the best of each.
This unit was a former demo piece and is in very good condition. Has about 10 hours on it with the occasional demo. Remote control, which was never used, is included. Unit will be securely packed for safe shipping.