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In the Forum: Audio Discussions
In the Thread: Some thoughts about bass in high-end audio.
Post Subject: ...however....Posted by Romy the Cat on: 8/23/2021
 anthony wrote:
I guess I am lucky that the Bass Cannons can be run off 9w from the DSET bottom channel and from memory I get about 115dB at 18Hz once room reinforcement does its magic.  One of the few benefits of a small room.

That was the whole idea of Sunspeak woofer array: to have multiple divers with sub 20H FS to boost sensitivity and to drive it with the same DSET topology as the rest of the channels. For small rooms it is very elegant solution.

 anthony wrote:
A couple of weeks ago I had a 6C33C fail on startup and short the filament which caused the filament transformer to try to do a bit of welding which melted some wires (not sure if you have ever had one fail this way - I think I should fuse that circuit).  One DSET is out of commission until the transformer is replaced so I have been listening to my surround speakers as mains. 
Hm. I never had any problems with 6C33C heaters.

 anthony wrote:
Anyway, all this makes me wonder about speaker quality for the revereration injection and whether there may be something to gain with larger speakers at the rear, not that I can fit them, and not that I have trialled anything yet. 
My conclusion that the quality of revereration injector is not truly important. Of you use fast responding reverberations patterns, like Disco, Rock and etc… then speaker quality does play role but then you are listening crap and I care less how it sound. In case you are with reverberation pattern over let say 20-30ms then the quality of speaker not truly important.
 
HOWEVER
 
This is what I have learned, is soon the bass of reverberation channel begin to impact the bass of the main channel at a desirable level of reverberation volume then you need to go to ether smaller speakers, or high pass them or mover them around to get less bass. The sound from reverberation channels should not talk to sound from the main channels. This is how I feel, now.

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