I 've read across the some pre351 articles, and found that there were different value used for the resistor and capacitor. Please advice on the value used for those component cause I still new for diy preamp.
Also is there anyway I can purchase the pre assembled pre351, reg252 regulator, 6e5c driver board and other neccesary module to build up a complete ECC88 preamp. I went to http://tubestore.myweb.hinet.net , they only sale the PCB and some misc components.