@audiomaze, wrong comparison, nova150 working well for Paradigm is not the same as working well with your speaker. Paradigms are 92 dB / 89 dB and are stable at 8 ohm (if I remember right) very easy to drive and they have been like this for sometime. They driver based speakers. I have a pair of Paradigms studio 40 v3 version very easy to drive.
Do you know the lowest impedance level your speaker will go to?.
Check out Sanders amps , top notch and built for electrostatics :
http://sanderssoundsystems.com/products/amplifiers/esl-mark-ii-amplifier
http://sanderssoundsystems.com/products/amplifiers/esl-mark-ii-amplifier
Try used market for such amp. You may be able to get something and have spare budget for an excellent tube preamp.
Do you know the lowest impedance level your speaker will go to?.
Check out Sanders amps , top notch and built for electrostatics :
http://sanderssoundsystems.com/products/amplifiers/esl-mark-ii-amplifier
http://sanderssoundsystems.com/products/amplifiers/esl-mark-ii-amplifier
Try used market for such amp. You may be able to get something and have spare budget for an excellent tube preamp.