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bushio's picture
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Yet another 'connecting stuff' topic.
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Hi there,

Firstly, I'd like to mention that I'm kinda green as far as HiFi goes thus I have encountered some 'problems' connecting my HiFi set. I've recently bought Marantz PM6004 and decided to hook it up my Rega RP1 turntable and a pair of Monitor BX2 speakers yet I'm not hundred per cent sure if I've done it correctly. I simply connected my turntable to PM6004's phono input and a pair of speakers to Marantz by a simple speaker wire/cable. Is there any thing I should've done in an other way in order to influence my sound quality? Not saying the sound quality itself is weak, it's actually exactly the opposite, it's great although I'd just like to be sure. Is there any need for a particular pre-amp? Should I buy any particular cable?

 

Another question is - can I connect my speakers and PM6004 to my PC so they can play both turntable music and PC sounds? Not simultaneously, that is - what I would like to achive is to be able to switch between PC and TT whenever I need. If so, what do I need? DAC? Any recommendations on that?

Thanks in advance!

 

 

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RE: Yet another 'connecting stuff' topic.

Sounds like you connected up correctly. I assume you've connected your speakers in Phase i.e +ve on amp to +ve on speakers. I believe the Rega doesn't need a separate ground connection to the amp though I could be wrong on that point.

No need for preamp as the Marantz has a phono preamp built in.

 

As far as connecting a PC is concerned that's for someone else I don't do that myself so have no experience.

 

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RE: Yet another 'connecting stuff' topic.

What sound outputs do you have on your PC? As there maybe a few options which could go from the PC to the amp (I assume)

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RE: Yet another 'connecting stuff' topic.

You don't NEED a DAC to connect your PC, just a cable. Probably something like this http://www.thatcable.com/product/3-5mm-Jack-Plug-to-2-RCA-Male-Cable or if you just wanted to try it and didn't want to lay out much cash, go to Poundland (no, seriously).

If your PC has a digital output then you may WANT to get a DAC but I'm sure others here will advise what the best options are if you decide to do so.

 

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RE: Yet another 'connecting stuff' topic.

 

Oh no not again!! Double post.

 

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RE: Yet another 'connecting stuff' topic.

Petherick wrote:

You don't NEED a DAC to connect your PC, just a cable. Probably something like this http://www.thatcable.com/product/3-5mm-Jack-Plug-to-2-RCA-Male-Cable or if you just wanted to try it and didn't want to lay out much cash, go to Poundland (no, seriously).

If your PC has a digital output then you may WANT to get a DAC but I'm sure others here will advise what the best options are if you decide to do so.

 

 

Why didn't I think of that? I was imagining a more complex set up involving wireless streaming or using LAN cables or other such computer jiggery pokery!

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RE: Yet another 'connecting stuff' topic.

Petherick wrote:
Probably something like this http://www.thatcable.com/product/3-5mm-Jack-Plug-to-2-RCA-Male-Cable

That seems to be a great, simple idea but how do I connect that cable to an amplifier having phono slots occupied with my TT_to_amplifier cables? Can I use any other slots on PM6004? I guess not. Basically I will have to manually switch between PC and TT cables every time I need as there's only one pair of phono slots, right? Still, it's the best and the cheapest way to achive what I've been thinking about.

Thanks guys, you really helped a lot. I'm now going to order one of those cables Smile

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RE: Yet another 'connecting stuff' topic.

bushio wrote:
That seems to be a great, simple idea but how do I connect that cable to an amplifier having phono slots occupied with my TT_to_amplifier cables? Can I use any other slots on PM6004? I guess not. Basically I will have to manually switch between PC and TT cables every time I need as there's only one pair of phono slots, right?

I think the confusion has arisen because 'phono' can mean both the input from a turntable and the RCA phono plugs used for other inputs. You can connect the cable from your computer to any of the other line inputs on the amplifier: CD, tuner, tape or whatever.

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RE: Yet another 'connecting stuff' topic.

I agree with Spiny Norman

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RE: Yet another 'connecting stuff' topic.

spiny norman wrote:

bushio wrote:
That seems to be a great, simple idea but how do I connect that cable to an amplifier having phono slots occupied with my TT_to_amplifier cables? Can I use any other slots on PM6004? I guess not. Basically I will have to manually switch between PC and TT cables every time I need as there's only one pair of phono slots, right?

I think the confusion has arisen because 'phono' can mean both the input from a turntable and the RCA phono plugs used for other inputs. You can connect the cable from your computer to any of the other line inputs on the amplifier: CD, tuner, tape or whatever.

Indeed, it just depends on how the output from the computer 'presents' itself. The best and simplest way is to use a usb dac, they can be bought for as little as £25 and will normally feed via RCA phono plugs to any of the line inputs mentioned above. Use the amp selection switch to switch between the two inputs, just make sure that your computer is 'set' to output audio over usb, ie the computer 'sees' the dac.

If your computer is a laptop and you wish to opperate it from, say the sofa, at a distance from the amp then it can be done wirelessly, Apple airplay being the best method but other setups are available to non Apple users.

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RE: Yet another 'connecting stuff' topic.

Hi,

I've just bought MiniJack/2xRCA cable and plugged it into my laptop - everything works exactly as I've imagined. Thanks a lot Smile

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RE: Yet another 'connecting stuff' topic.

Glad you have it working. out of interest which do you think sounds the best Laptop music or good old vinyl?

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RE: Yet another 'connecting stuff' topic.

Excellent! You're welcome, that's what this forum is all about (mostly)  Smile

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RE: Yet another 'connecting stuff' topic.

mikeparker59 wrote:

Glad you have it working. out of interest which do you think sounds the best Laptop music or good old vinyl?

Well, nothing gets even close to superior quality of vinyl if you ask me. Sure there are some FLACs that get a little bit closer and which I had used for the majority of time before I bought my speakers and an amp, yet I mainly listen to my records. I admit I'm new to vinyl, wish I could call them 'old', though they are pretty much a novelty to me. Not only is it about the quality - it's the only way to fully appreciate 'natural' form of music and I'm also glad I've finnly found a hobby : )

Definitely, vinyl.

 

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RE: Yet another 'connecting stuff' topic.

bushio wrote:

mikeparker59 wrote:

Glad you have it working. out of interest which do you think sounds the best Laptop music or good old vinyl?

Well, nothing gets even close to superior quality of vinyl if you ask me. Sure there are some FLACs that get a little bit closer and which I had used for the majority of time before I bought my speakers and an amp, yet I mainly listen to my records. I admit I'm new to vinyl, wish I could call them 'old', though they are pretty much a novelty to me. Not only is it about the quality - it's the only way to fully appreciate 'natural' form of music and I'm also glad I've finnly found a hobby : )

Definitely, vinyl.

 

 

Thanks for the reply. I came into HiFi during the early 80's when CD's were something I 'd seen on 'Tomorrow's World' but a few years off being available in the real world. I couldn't wait to get my hands on a CD player as although I had a decent TT. actually the TT2 in my signature yes it's still going strong 30 years on, I was always annoyed by the inevitable clicks & pops of vinyl, I still find them intrusive when I play my records.

When vinyl is good it is very good, but to my ears which I now describe as not being HiFi anymore I really can't tell much difference between a well mastered CD (i.e pre-loudness wars) or FLAC and vinyl, so I just wondered what someone who describes themselves as green makes of the difference and probably with younger ears than mine!!

Mike

 

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RE: Yet another 'connecting stuff' topic.

I've stumbled upon one other problem which I find disturbing and irritating, but I guess there's no need for creating yet another topic. What I mean is some kind of distortion from a cartridge - it's clearly audiable on higher volumes while not playing music and so on lower volumes if I stick my ear to the speaker. I guess it's not just a typical amp-humming kind of thing, since if I just change the source from phono to, say, tuner, I'm then not able to distinguish such noise anymore. One more thing I've recently discovered is that if I press the metal part of a cartridge (which I highlighted on a picture[1]) with my fingers it seems to be supressing the above mentioned distortion. On the other hand, if I close my finger to/trouch the white wire, the distortion intensifies. I'm not a whiz on electronics so I might as well be making a fool of myself but I really don't have any idea how it really works Wink

While playing the record distortion does not disturb me and is not audiable even if I stick my ear to the speaker however it happens that I hear pitch distortion. I guess that it's similar to those issues I found on the Internet:

"My main problem though, is high frequency distortion in loud passages. In quiet passages, highs sound pretty good, detailed, clean. But in loud passages they distort. I adjusted the weight adjustment on the tonearm all the way up (so the cartridge is heavier), and this improved things, but it's still there. I am worried about all the added pressure wearing things out, and it still doesn't fix the problem."

I have my tonearm set according to the Rega RP1 manual so the counterweight is pulled all the way to the stop point.

 

Also, today was the first time I encountered the record being stuck and repeating a short part of the track. I got really worried about it so I brushed the record thoroughly as there was some dust visible with a bright light just around the place where my record stuck. It seems to be working fine now yet you never know. Is it something to REALLY worry about?

 

[1]Here's the pic I mentioned.

http://www.filedropper.com/regarp1

 

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