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Why does my FM radio sound better then my CD player? - Page 2

post #16 of 22
In small radios, analog tuning is king! You get less noise and hiss with it than with digital tuning! So...don't knock it! Analog is what makes the SONY SRF-S84 such a brilliant performer!
post #17 of 22
Holy cow, I never thought I hear Head-fiers raving about something like this. The Sony SRF-49 radio, for those who didn't know (like myself) cost $14!


Can you send Fixup items to mod. I mean, if he can improve most everything, anybody ever hear of him doing an iPod mod?

EDIT: Well, I did a search of his site and he's doesn't do any internal mods and he also hates the sound of the iPod. Man, why do I always come across this stuff just when I think I've made my mind up?
post #18 of 22

Re: Why does my FM radio sound better then my CD player?

Quote:
Originally posted by RockysDad
It seems that my cheapy "fixup.net" Sony SRF-59 upgraded fm radio sounds a whole lot richer then my portable CD player's line-out to a CMoy amp. You would think that the CD quality would be better the all the signal coming off the air. Why is that? Just wondering... FYI, this is while listening through headphones.
The mods alter the tonal balance of the sound, thus performing a type of equalization. Maybe you like the tonal balance of the radio instead of the tonal balance of the CD.
post #19 of 22
Oh, please forget the tonal balance argument. It's right, but there's a better explanation. Here it is: It's always the caps, the caps, the caps!!!

Most likely, the manufacturers of CD players use smaller caps to save money. This is what happens with ALL the small SONY radios. For example, they will use a 100uf--16v cap instead of a bigger, more expensive 200uf--16v cap. This, of course, affects the LF sound of a CD player. Results? The sound suffers, but they make more profits per CD player.

Dr Xin Feng (aka: Fixup) usually puts in bigger Panasonic caps for LF and HF from Digikey.com in his modified SONY radios. That's the jist of his mods! Results? You get a fuller sound in the bass, while the treble is more defined. Like I said above, you end up with a 1st class radio that astounds everyone that listens to it, especially the ultra miniature SONY SRF-S84. People usually say: "This wonderful music is coming from that tiny radio? It's unbelievable!"

I'll say this for Fixup: He is a very talented and gifted expert in electronics (PhD no less). But he is also very unselfish and giving. For example, I tried to mod a SONY SRF-49, and I failed miserably. I just didn't have the expertise to pick out the right parts. So when I asked Fixup, he told me which Panasonic caps to use and the part numbers at Digikey! Amazing! Usually people don't do this to avoid competition. Get it? Fixup is a very nice guy!

One final point: We are lucky to have Fixup around here!

post #20 of 22
Rocky's Dad: No one answered you. So I will!

The CD player that I really like is the Panasonic SL-CT570. It has a wonderful, smooth sound that I am sure you will like. It does not have the bells and whistles you mention. Instead, they concentrated in getting the best sound possible out of a CD player.

Do Google.com searches to find this CD player.
post #21 of 22
Quote:
Originally posted by Gariver
Oh, please forget the tonal balance argument. It's right, but there's a better explanation. Here it is: It's always the caps, the caps, the caps!!!
But, but, but ... the primary way that capacitors change audio frequency signals is, well, tonal balance!
post #22 of 22
Awesome thread
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