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philbin

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  1. Thanks to all of you for sharing your knowledge. I've seen videos on Youtube of people re-fitting Marantz receivers with new components and basically doing a restoration job to bring the units at least back to original spec, if not better. Most are ex-engineers who do it not for the money, but for the love of the equipment. One guy I was looking at in Charlotte, I think, has stopped doing it for now, for whatever reason. Does anyone know of a good person in the Southeast who can do this? The shops in my locale are mostly TV repair, and even those are getting fewer as people give up on the idea of keeping electronics past their sell-by dates. I don't consider the Marantz disposable, as the sound is sweet, but it has been cranking out music for over 40 years now and probably needs some help, as you all have described. Thanks, P
  2. I checked out the Crutchfield item. Perhaps I should call them about it, though I have had wildly divergent information from them depending on the person answering the phone. So I have a multi-meter. Where do I stick the probes in the iPod to measure the output? Into the headphone-out and then ground to any old screw on the wall? Sorry if this is so basic.
  3. So how would you fix it so that the R6 can be played through the receiver? Perhaps it can't be, though I find that hard to fathom.
  4. I started with the headphone-out, but have not tried the line-out yet. Didn't think of that, but it is the opposite of what you suggest. Why an analog pre-amp? Because the output of the R6 is analog? Or because the receiver is analog? Thanks for your response.
  5. Your herculean efforts on my behalf are greatly appreciated. I can't imagine where you found that schematic. Inside the Marantz as the volume is advanced (either using the iPod or R6 volume controls or the Marantz volume control), at a certain level *something happens* and there is an easily discernible 'click' inside the unit, at which point the volume drops to silence. Backing off the volume elicits another `click' at which point the volume returns. The cut out happens at a lower volume than is comfortable for listening, and the sound quality of that signal is very "tinny" and unpleasant. If the level is left at the cut out point, the volume will intermittently cut out and back in as the level swells and recedes with the progression of the music. There is some boundary that the input from the iPod is bumping up against. I'm still trying to assess what you told me. I thank you for your insight.
  6. You are correct about the mini jack-to-RCA. I've tried all the source inputs on the back, with the same result. CD player and turntable (Sony bought with the receiver) work fine. Even the flat screen TV plays through it via the mini jack-to-RCA audio-out provided. I think the iPod, or rather the R6 now, needs some kind of box to either translate for or boost the R6 signal to the receiver or both. But I don't know what that might be. I thought about trying a Schiit Modi for a hundred bucks just to see, but with my level of knowledge it would just be a shot in the dark.
  7. Hi all, I have an originally purchased 1977 Marantz 2252 receiver, driving MA-1 speakers. It handles my Denon CD player well, but it will not perform with a portable music player, such as an iPod Classic. The playable volume is greatly reduced and when I try to increase it I hear a relay inside the Marantz click and the volume drops to zero, until I back it off, whereupon it resumes playing. It feels like a power insufficiency on the part of the iPod. Now I've added a Hiby R6 Pro that exhibits the same characteristics, but at a higher volume level, as if the R6 is putting out more power than the old iPod, but not enough to push the sound through the Marantz, and it is protecting itself by tripping that relay. It may all be a construct of my imagination, seeing as how I have very little knowledge of electronics. My question boils down to this: Does the R6 Pro need a DAC to talk to the analog Marantz? Does the R6 Pro need a pre-amp to provide enough signal for the Marantz? Is it one or both (or neither) of these? The R6 Pro plays fine through the car's stereo, but I assume there is a DAC in the dash, since it has a CD player. AFAIK, the Marantz is still in proper working order. Any advice you could give this fossil would be greatly appreciated. Many thanks, Philbin
  8. Hi all, I have an originally purchased 1977 Marantz 2252 receiver, driving MA-1 speakers. It handles my Denon CD player well, but it will not perform with a portable music player, such as an iPod Classic. The playable volume is greatly reduced and when I try to increase it I hear a relay inside the Marantz click and the volume drops to zero, until I back it off, whereupon it resumes playing. It feels like a power insufficiency on the part of the iPod. Now I've added a Hiby R6 Pro that exhibits the same characteristics, but at a higher volume level, as if the R6 is putting out more power than the old iPod, but not enough to push the sound through the Marantz, and it is protecting itself by tripping that relay. It may all be a construct of my imagination, seeing as how I have very little knowledge of electronics. My question boils down to this: Does the R6 Pro need a DAC to talk to the analog Marantz? Does the R6 Pro need a pre-amp to provide enough signal for the Marantz? Is it one or both (or neither) of these? The R6 Pro plays fine through the car's stereo, but I assume there is a DAC in the dash, since it has a CD player. AFAIK, the Marantz is still in proper working order. Any advice you could give this fossil would be greatly appreciated. Many thanks, Philbin
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