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In Reply to: RE: I didn't mention all my tuners... posted by sherod on September 09, 2016 at 15:53:53
is hard to come by. I feel your pain and good luck in finding one.
BTW, I was just listening to my friend's top of the line Magnum Dynalab tuner Model MD 108T Signature. I was a little disappointed with the over all sound characteristics as it sounded like a digital tuner. Perhaps this has to do with the antennae that he had or lack of one. I don't know I didn't ask. But it sure look very impressive though.
If a thing's worth doing, it's worth doing well
(Proverb)
Follow Ups:
...and finding replacement parts is even more so. I'm hoping the problem is the IC regulator. I ordered one from Mouser and am hoping it will fix the issue. I want to get the tuner back into rotation and do a one-on-one comparison with my H/K Citation 18.
.
If a thing's worth doing, it's worth doing well
(Proverb)
I got the ic regulator for the power supply on my AH673, but unfortunately the problem was still there. I finally determined that the power supply board had gone through too many cap upgrades with too many damaged traces,etc. so I searched for another AH673 and was fortunate to find a fair cosmestic but working AH6731(black). I got a good deal on it so I just got it in and took the power supply board out and put it into my upgraded 673. Voila! I now have sound. I just replaced all the old caps and diodes in it and it is making beautiful music once again.
On another note, I just completed the refurbishing of my Sansui TU-X1 and although there are many Black gate and Silmic II caps that need a couple of weeks to fully break in, I can tell the sound will be spectacular. I am anticipating this being my new reference tuner, although I could very happily live with the Philips AH673 as my reference. This labor of love has been very fruitful.
Perhaps, I should send you my 673 as well as it needed some refurbishing. The bulbs have been replaced and aligned about 5 years ago, but since then some of the bulbs especially the tuning port are out.
Good for you!
If a thing's worth doing, it's worth doing well
(Proverb)
You can buy LED lights in different colors on Ebay. I have the original bulbs in one tuner and green LED in the other. The LED last a very long time.
I'll look into it.
If a thing's worth doing, it's worth doing well
(Proverb)
If your tuner still has original electrolytic caps in it, you won't believe how much better it will sound with new audio-grade caps in the power supply, mpx and IF section.
upgrade I'll let you know. Hopefully you can help me.
If a thing's worth doing, it's worth doing well
(Proverb)
...that our friend Hoosier, who posts on this forum, provided everyone. This is what I went by when upgrading my tuner. The only difference is that I put expensive Black Gates in the power supply as well as in the other boards, sprinkled with some Elna Silmic II caps.http://www.fmtunerinfo.com/DIY.html#AH673
Edits: 09/17/16
Thanks again.
If a thing's worth doing, it's worth doing well
(Proverb)
I did my first tuner upgrade on my AH673 back in 2014. I was a novice at the time and emailed Hoosier(John Carpenter) who helped me when I got stuck with something through numerous emails. John was very patient with me as I emailed him a lot and probably got on his nerves a time or two. I have learned a lot in the last two years and have gotten much better with a soldering station. This has been a hobby for me, a labor of love...something to keep me occupied in the evenings after a long day at work. It is a fun hobby as it fascinates me when I simply replace a few parts in a tuner or receiver and hear a nice improvement in sound as it breaks in. It is kind of like a therapy for me. I think I read somewhere that John had refurbished at least six of the AH673 tuners so far. John is very prolific with tuners as he's been upgrading quite a few makes and models for many years now. I also upgraded, thanks to John's help and support, my H/K Citation 18, Sansui TU-9900, Sansui TU-717 and most recently my Sansui TU-X1.
breaking in on my kitchen table through my modified Marantz 2270 receiver.
Tuners. Enjoy!!
If a thing's worth doing, it's worth doing well
(Proverb)
Hi, sherod!Is that my Philips 6731 in black that looks so stunning atop the heap?
If so, I am very glad you are enjoying it.
;-)
A question:
I am considering picking up a Sansui TU-X1 in the next five years.
Since I have extensive listening experience with the Philips, could you please elaborate on the sonic differences between the two?
I am hoping a TU-X1 would be my new reference as well,
although I suspect getting my Sony ST-A7B properly restored/upgraded might be a tough challenge to even the TU-X1.Thank you, kind sir!
Edits: 04/01/17
I just now saw this post. It might be your tuner I bought a few months back. I have it modified and need to only get it aligned. As good as the AH673 and Citation 18 tuners are, the Sansui TU-X1, properly modded with new e-caps, etc. just wipes the floor with them. Everything is just better with the TU-X1, but i could be very happy with the other two if that's all I had to listen to.
nt
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