zuzu Posted June 1, 2007 Share Posted June 1, 2007 What is the sequence of steps. Saxaphone on many CD's is too bright at higher frequencies. Is it my room? I don't know? Is there a thread already hear that covers room tuning with an SPL meter?. What special CD do I need, if any, to play various frequencies? Quote Link to comment Share on other sites More sharing options...
zuzu Posted June 2, 2007 Author Share Posted June 2, 2007 Do I need a special CD to use this????????? Quote Link to comment Share on other sites More sharing options...
gaspr Posted June 2, 2007 Share Posted June 2, 2007 From what I understand, you can't really tune a room using a SPL meter because it has no way of differentiating between the direct sound (directly from the speakers) and the reflected sounds from the room. To do the job more accurately, you will need some measurement equipment that can seperate direct and reflected sound. Some pretty good tutorials over in the architectual section. Perhaps someone like DrWho or mas can elaborate a little more here?? Quote Link to comment Share on other sites More sharing options...
zuzu Posted June 2, 2007 Author Share Posted June 2, 2007 So what is the thing useful for??? Seeing how loud you listen? I listen Where I listen. Not interested in jets taking off or the dbs of my lawnmower. Quote Link to comment Share on other sites More sharing options...
gaspr Posted June 2, 2007 Share Posted June 2, 2007 I believe it can be used to determine the frequency response of your audio system (includes the room response) by using a CD of stepped test tones and then measuring SPL for each frequency. There is a chart available to correct the known errors of the RS SPL meter. Quote Link to comment Share on other sites More sharing options...
DrWho Posted June 4, 2007 Share Posted June 4, 2007 So what is the thing useful for??? Seeing how loud you listen?Yes, that it is all it is useful for. A good SPL meter has a flat frequency response and thus can commonly be used as a mic for more advanced measuring techniques. The Radio Shack SPL meter does not have a flat frequency response so really it is best used as a tool to compare the volume of two speakers. It's also a good tool to see when your ears are going through threshold shifts - which is very common during longer listening sessions.What speakers, amps, and source are you running? Every piece in the chain can cause the symptoms you describe. The room is certainly not an unlikely source so it wouldn't hurt to do a little research on the modern measurement techniques that look at the output over time, instead of frequency. Quote Link to comment Share on other sites More sharing options...
zuzu Posted June 4, 2007 Author Share Posted June 4, 2007 My components are listed below on all my posts. Quote Link to comment Share on other sites More sharing options...
zuzu Posted June 8, 2007 Author Share Posted June 8, 2007 Google on stereophiles test cd 2. I ordered it and test cd 3 from music direct for $9.99 each. All the tracks are identified on the googled site. Quote Link to comment Share on other sites More sharing options...
colterphoto1 Posted June 8, 2007 Share Posted June 8, 2007 I blew mine up. Really. Quote Link to comment Share on other sites More sharing options...
zuzu Posted June 8, 2007 Author Share Posted June 8, 2007 What did you blow up and how? Quote Link to comment Share on other sites More sharing options...
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