The Poulin HyBrit Series is a collection of three plug-ins that feature a hybrid amp model based on two famous British amps. The plug-ins include a "PLS channel" that is a hybrid of the two (tweaked) channels (Normal and Treble) of the real thing. Both channels are actually processed and the mix of the two signals can be adjusted through the PLS MIX knob. Another channel, MCJ, is also a tweaked version of the real thing.
This amp simulator doesn't represent anything specifically but it does have the character of the British amp.
The three versions: