From frederick.somerville@gmail.com Tue Apr 16 13:56:13 2013
Subject:Re: Converting a 147 amp to 122 negative feedback standard - earlier distorsion
If I remember correctly you need 4 5nF 1000 v condensers and two 390 k
resistors to complete the rebuild
2013/4/16 palmquistdavid
> **
>
> Thanks for the tip. I have purchased an older 47 chasis (Leslie made
> considerable design changes at a SN break point). The older ones (like
> mine) are closer to the 122 in the output section. Later ones are closer to
> the 147. I have all replacement caps and resistors for 147 designs. I'll
> have to pick up some different caps and resistors before I can do the job.
> I also have a 147 chasis. If I like the sound enough, I may have to switch
> that one over, too. When I order parts, I'll get enough to do both for sure.
>
> --- In CloneWheel@yahoogroups.com, Frederick somerville
> wrote:
> >
> > Hi David.
> > The amp sound so good in 122 configuration that I will leavenit this
> way. I do not think a switch system is worth effort. I have sound I want ;)
> >
> > Regards Frederick Somerville
> >
> > Sent from my iPhone
> >
> > On 6 Apr 2013, at 05:37, "palmquistdavid" wrote:
> >
> > > Thanks for taking the time to review and comment.