How "Hi-Fi" are FM transmitters ? - diyAudio
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Old 27th May 2014, 09:19 PM   #1
Bigun is offline Bigun  Canada
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Default How "Hi-Fi" are FM transmitters ?

Thinking about using a small FM transmitter to sync music (from computer or ipad or even an analogue source) to an FM tuner in my house - so range is small, but quality of sound is important. Any idea if the low cost modules I see around have good sound quality ?

Mono is sufficient, so long as it sounds good.

Thanks.
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Old 27th May 2014, 10:09 PM   #2
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Blue tooth? FM transmitter and receiver? I/R?
Velleman make a number of transmitters and receivers.
Hows about using your router with WiFi and a receiver?
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Old 27th May 2014, 10:12 PM   #3
ag8908 is offline ag8908  United States
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you mean the things that allow you to listen to the source you're broadcasting by dialing into an FM channel (usually 87 or something like that)?

They suck a**. Horrible sound quality.

Edit: I just saw that you wrote mono is sufficient. It sounds like you're just listening to audio books or something like that. It's fine for that purpose.
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Old 27th May 2014, 10:19 PM   #4
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FM is used by broadcasters, universally and produce accurate results. No problems with sound quality.
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Old 27th May 2014, 10:22 PM   #5
Bigun is offline Bigun  Canada
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Yes, I mean FM broadcast not bluetooth. Mono is OK because my music listening is mostly mono - but it's not audio books, it's music. I have a Dynalab FM tuner as a source and thought I could 'stream' via this tuner.

Horrible audio quality is not going to be good enough. Sounds like this is a dead-end idea ?
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Old 27th May 2014, 10:26 PM   #6
Zero D is offline Zero D  United Kingdom
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Not horrible at all ! You can build one for almost peanuts to try out. Here's just a few examples.

FM Transmitter circuits with schematic diagrams

Just don't overload the input
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Old 27th May 2014, 10:37 PM   #7
ag8908 is offline ag8908  United States
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I got one for my car once, to listen to my MP3 player on my car's FM radio. Returned it after like 20 minutes of use. It was not at all hi-fi in any way for well recorded music. Might possibly be ok for old muddy mono songs though.
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Old 27th May 2014, 11:28 PM   #8
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Ramsey Electronics has several kits.

AM & FM : Transmitting and Receiving : Ramsey Electronics®
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Old 28th May 2014, 12:00 AM   #9
a.wayne is offline a.wayne  United States
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My FM tuner lacks "hi-end" sound vs my other sources, but better than MP3 digital via internet playback, It's more dynamic and where MP3 noise is hardness, FM is analog hash..

No headaches ......
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Old 28th May 2014, 12:21 AM   #10
Bigun is offline Bigun  Canada
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Quote:
Originally Posted by Zero D View Post
Not horrible at all ! You can build one for almost peanuts to try out. Here's just a few examples.

FM Transmitter circuits with schematic diagrams

Just don't overload the input
did you try one yourself ?
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