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In Reply to: RE: Repairs and mods to Juicy Music Auddio Peach 2 linestage posted by wood1 on March 18, 2017 at 09:03:13
Good luck and I will check back to hear how it goes.
Well I just got back from RHB Sound Dezign where I dropped the Peach 2
off. I got to meet both Bob and Gary, both are really personable, down to earth guys. I spoke with Bob at length about the Peach and the issues
I'd like to clean up in addition to the repair. We spoke about log
tapers on volume controls, caps, tubes and a lot of things audio.
I got to listen to his Backert Labs Rhumba 1.2 and I must say for the
entry level preamp it is pretty impressive. Dynamic, resolving and fast
while giving you the depth and soul (for lack of a better term) that a
good tube pre provides versus a SS pre IMHO.
As I stated earlier there are some issues with the Peach that I'd like
addressed. My plan is to fix it (DUH) and within reason clean up
the issues. I think at that point I would like to an A/B using my
system to see which I prefer. I really love the Peach, BUT, this is the
2nd time it has gone "tits up" in 9 years, so to be "married to it" so
to speak would be foolish. I also like that at $3300.00, the Rhumba 1.2
is completely upgradeable to the $5500.00 top of the line Rhumba in
steps or all at once. Bob told me that even the auto tube bias circuit
from the Rhythm (his 7500.00 preamp) can be incorporated if desired.
I'll see what Bob has to say and go from there. I feel that the Peach
is in excellent hands - thanks for the recommendations and I'll keep
you guys in the loop as this evolves.
Well I just heard from Bob. It seems that the low voltage power
supply is the issue, the bridge rectifier as well as the cap that
feeds it. He also advised me that there are a number of resistors
that he feels are suspect. He also feels that at 9 years old that
the high voltage caps could stand a refresh.
I gave him the go ahead to fix the issue and find out why the
left channel has always been somewhat weaker than the right.
Although adjustable via the separate l/r gain controls it has always
bothered me. If this isn't a costly issue then my tactical plan is
to go ahead and do it all.
My strategic plan is to audition his Backert Labs Rhumba 1.2
straight up against the JMA Peach 2 and see what is what.
Thanks again to Hyfi and Steelhead for the guidance, I'll keep
you guys updated.
Thanks for the update.
The Backert Boys made significant updates to my 12's. While not SET they have balls and sound much better than stock to my ears. (and also to friends familiar with the 12's both pre and post update)
Let us know how it all pans out. While I am set on a preamp interested in your take on their preamp.
Ok here we go. I spoke with Bob today. The problem in the low voltage power supply is fixed. He has identified the left channel gain issue as a
faulty interstage film cap. I gave him the ok to fix these as well as
installing an additional pair of input rca's into the case for #1 input. The
glaring weak link (imho) in the design is that all the rca's are soldered directly
to the rear of the PCB which protrudes out of the back of the case. The
issue is that I now use High Fidelity Cables interconnects that are
extremely tight so you are playing with fire when connecting or removing.
He is also going to replace the suspect resistors that he has identified.
Again my plan is to get this home to run in for a while and then
put it up against his Rhumba 1.2 and see what is what. I will keep you guys posted.
I have a feeling that his Pre Amp is a Giant Killer. Since he has basically built in all his own mods as a new item, it should be stellar and worth every penny.
Let me know when you come to pick it up, if times sync, I am a mile away.
I will do that. When he finishes with the Peach I want to get it
home and give it a few weeks to settle in and then give it a go against
his Rhumba 1.2 to see what I think. I really like the fact that his
products all use the same basic design, so stepping up so to speak is
easily done whenever desired.
Bob called yesterday and the Peach is done, as I had today off I
picked it up. Charges were extremely fair imho for what he did and
not a mark on it. RHB is just a 1st class operation. Bob and Gary
are very easy to deal with, explain the needed repairs in detail
and offer options.
I elected not to do any mods as I made plans today to audition
his Rhumba 1.2 in my system. This will probably be in 2-3 weeks.
I'm listening to the Peach as I'm typing this and it sounds
stellar!!! I now realize that things were going away over a period
of time as it had started to sound flat and shallow, but wow does
it sound great now. Again my highest recommendation to RHB and
many thanks to all who posted, also a big shout out to Hyfi and
Steelhead for recommending RHB. I Will start a new post When I
get the Rhumba home.
Happy listening, Woody
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