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In Reply to: RE: completely, utterly backwards posted by bwb on March 25, 2012 at 09:00:25
Sorry don't agree. But thanks anyway.
Follow Ups:
a system. Each interacting with the othe in subtle and not so subtle ways. Each with unique characteristics. There are some aspects of musical reproduction that seem to dwell in the domain of the amp moreso than the speaker and vice versa.
Perhaps the speaker dominates musical reproduction at the grossest level of generalisation/ understanding, but...
Cheers.
.
So let's say you get a good suggestion for speakers and you buy them and love the way they sound. The best speakers you have ever heard. They do everything exactly like you dreamed a speaker could but you have one small problem. Your amp doesn't have enough power to get them up to the listening levels you want.
Using your reasoning you have to get rid of the speakers and spend the rest of your life wishing you could once again achieve the perfect sound you had.
Using my reasoning you have to find a different amp.
Once you get to a certain level different amps have subtle differences but different models of great speakers have gross differences.
Good luck, you are going to need it.
.
I got a 45 amp in the 1.5w range, and for me Coaxial Speakers* in a open
baffles seem to work great. For DIY, 3 way green cone speakers seem to work well too. Dig around here http://www.lampizator.eu/ Horns while they have good a sound don't match well for small domestic systems.
* any brand you like over 96 dbm .
Lundahl Set 45.
> > > Horns while they have good a sound don't match well for small domestic systems. < < <Depends on what is horn loaded, what type of horns are used, and what is considered a 'small domestic system."
Seems to me that a two or three way, with wide dispersion horns (for tweet and mid, if used) and matched directivity should sound fine. The controlled directivity is actually a strong advantage. The efficient bass driver and its alignment could be designed to work well for use in a small room, with wall loading and the high output impedance of the SET amp... Such systems have been successfully realised.
Cheers.
Edits: 03/28/12
Leaving 12dB for the dynamics of a song (the absolute minimum for me, I usually work with 20dB) and using a 96dB/1W speakers the maximum listening volume with a 1.5w amp would be around 85.5dBSPL. Any louder and you are just adjusting distortion levels.
Might be ok to play modern, over-compressed pop at low volumes though.
Seems fine for the many people who consider average levels of 85 dB rather loud. A lot of folks around here would not consider 85 dB loud though. It will work for many, but not those that like what most would consider very loud.
Personally, I don't listen as loudly as most, but have opted for ~ 100 dB@1w spks and ~ 4 W SET amp to minimise the risk of running out of headroom for most music.
Cheers.
The proper way to use a 1.5w SET is in a active multiways horn speakers setting.
Basically, this is correct. A 1.5W amp is really a compression driver amp for 107db+ in a multiamp system.
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