[Jukebox-list] How about an iPod on the jukebox?

[Wesley Dean]

    Ray, as beauty in the eye of the beholder, good sound is in the ear of 
the listener. It is entirely subjective. Edison was convinced he had 
developed the ultimate in sound reproduction with his acoustical reproducing 
system. The bottom line was he made a fortune with his system. One rides the 
waves of present day technology with no regard of earlier genius. Most 
technological advancement in this day and age is the product of group effort 
with no spark of inspiration as was the case in an earlier age.   Wes
----- Original Message ----- 
From: "Ray Finch" <babylon at swcp.com>
To: "Jukebox mailing list" <jukebox-list at lists.netlojix.com>
Sent: Sunday, July 22, 2007 1:29 PM
Subject: Re: [Jukebox-list] How about an iPod on the jukebox?


> Hi Frank,
>
> I'm relatively new to juke boxes but I've been an electronics tech and 
> done electrical engineering for near 20 years now.  Just thought I'd add 
> my 2 cents here.
>
> The ipod, being a digital music device, had sound quality and dynamic 
> range as good as CDs and as such just about rivals the original studio 
> recordings.  In fact I compared several MP3 players when I was in the 
> market and found that the ipod has just slightly better sound quality than 
> anything else out there (as of about a year ago anyway).  I have connected 
> an ipod to a semi-high end stereo and some high quality speakers (AR3's) 
> and was quite impressed with the results.
>
> Now putting aside the electrical mismatches and equalization issues (which 
> can all be fixed with a proper electrical interface), it seems to me that 
> you would never get that same sound quality out of your juke with the ipod 
> being the source as the ipod alone.  In this case the juke box amp and 
> speakers are the weak link in the chain. I mean, sure you juke will 
> probably sound better than it ever had before, but nothing compared with 
> what the ipod is capable of.
>
> The jukebox most likely has a very well designed amp for its time, but 
> lets face it source was vinyl records.  As long as the amp sounded as good 
> as what could be expected from vinyl no one would complain - and for a 
> device that was intended to be placed in bars and restaurants, as long as 
> the juke box didn't sound "bad" to the customer, nothing more than that 
> would be needed.
>
> After getting past the mismatches and equalization issues, I'd be very 
> interested in finding out what kind of sound quality you end up with. You 
> might want to filter the extreme low end of the signal as I would imagine 
> you will be pushing the juke box amp and speakers to their design limits 
> as the ipod has a very wide dynamic range.  That kind of dynamic range 
> simply was not possible when vinyl was king.
>
> Ray Finch
>
>
>
>
> On Sun, 22 Jul 2007, rodehond wrote:
>
>> Sorry David, I should have added that my jukebox has a ceramic cartridge. 
>> So it has a relatively high output and a high impedance. So at least it 
>> wouldn't be hard to prevent the amp from being overloaded.
>>
>> Frank
>>
>>
>> Op 22-jul-07 om 11:54 heeft rodehond het volgende geschreven:
>>
>>> Sure, there is a mismatch there. But a simple two transistor stage with 
>>> a correction filter would solve that. Then again we're not talking about 
>>> a high end sound system here. And at the time every record label had 
>>> there own interpretation of how the RIAA curve should be applied, 
>>> resulting in a huge difference in sound quality.
>>>
>>> To be blunt, if you set the iPods equalizer to cut the lows a bit and 
>>> enhance the highs, you get very close.
>>>
>>>
>>> Frank
>>>
>>>
>>> Op 22-jul-07 om 2:24 heeft David Breneman het volgende geschreven:
>>>
>>>>
>>>> --- rodehond <rodehond at xs4all.nl> wrote:
>>>>
>>>>> Well, ... yes your right ofcourse. The charm is in the machine as a
>>>>>
>>>>> whole.  But, even with a 200 selection Jukebox the choice is
>>>>> limited.
>>>>> And I like the sound of my W 3300 so much I want to have all my
>>>>> recorded music available. Second, I have the jukebox in my working
>>>>> room so I don't want to be pushing buttons all day.
>>>>
>>>> Well, if you really want to...   But how are you going to match
>>>> the high-output, low impedance output of the ipod to an amp that
>>>> is expecting a low-output, high impedance magnetic phono signal,
>>>> and how are you going to counteract the RIAA Eq curve applied to
>>>> that signal once it hits the amp?
>>>>
>>>>
>>>> David Breneman         david_breneman at yahoo.com
>>>>
>>>> 
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