There is no such thing as a Perfect amplifier, but there is a Best amplifier for each type of loudspeaker, music and listener.

the First Watt is the most important Watt, * Who cares what an amplifier sounds like at 500 Watts if it Sounds like crap at One Watt

First Watt B1 Buffer Preamplifier - € 0.000,-  #  £ 0.000,-  #  $ 0.000,-

The J 2 has a two stage circuit that operates in pure single ended Class a mode, with signal JFET devices forming the input stage and power JFET devices for the output stage.

First Watt J 2 Stereo Power Amplifier - € 6.490,-  #  £ 0.000,-  #  $ 4.000,-  #  2 x 25 Watt in Class A 

First Watt F 6 Stereo Power Amplifier - € 4.875,-  #  £ 0.000,-  #  $ 4.000,-  #  2 x 25 Watt in Class A 

First Watt F 7 Stereo Power Amplifier - € 4.875,-  #  £ 2.415,-  #  $ 0.000,-  #  2 x 25 Watt in Class A 

First Watt F 8 Stereo Power Amplifier - € 0.000,-  #  £ 0.000,-  #  $ 4.000,-  #  2 x 25 Watt in Class A 

First Watt Sit 1 Mono Power Amplifier - € 8.090,-  #  £ 0.000,-  #  $ 10.000,-  #  10 Watt in Class A 

First Watt Sit 2 Stereo Power Amplifier - € 8.090,-  #  £ 0.000,-  #  $ 0.000,-  #  2 x 10 Watt in Class A 

First Watt Sit - 4 Stereo Power Amplifier  #  $ 5.000,-