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loudness on/off control for SE KT88 amp

Im searching for some good shematic for loudness control.
And yes,i know that part of HIFI world is against loudness control,BUT,when you have small kids,and lots of job trough the day,and listen music at night at low volume,your ears desperatly want more bass and more highs.
So,i want to instal a switch-controled loudness option to my integrated SE KT88 amp.
Any sugestion for shematic?
Thanks!
 
The thing with loudness control is it's personal and absolute level dependent - you make it work for you, then make one step from or towards the speakers, and everything falls apart.
Why not just adding the separate bass and treble controls if you want more bass and treble?