Nope, no extra charge. I would guess that Woo probably saves money by not having to take the time to wire the preamp section, so there really would be no need to charge extra for deleting it.
Originally Posted by KZEE
I also requested that my amp be built with the preamp function and circuitry deleted, and when Woo built my amp without the preamp circuitry they automatically paralleled the input tubes for me./QUOTE]
Thanks, perfect answer!
Did they charge any extra for deleting the preamp function? I don't really need a preamp out either so might request that.