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In the Forum: Playback Listening
In the Thread: 2+3 surround sound??
Post Subject: .....there are many ways back.Posted by Romy the Cat on: 9/24/2025
 N-set wrote:
I have finally set up the reverberation injection. My DSP3000 turned out to have some problem (vanishingly low output), I hunted DSP100 and got a pair of Focal Twin Shape speakers as the RI (2x5" woffers + 2x 6" passive radiators + inverted dome metal tweeter). Finally, I managed a quick n dirty set up today (4 channels) and listened. This is incredible! My small, dead uninspiring acoustics turned into a lively listening space. Walcha's Bach Organworks LP's sounded like never before and I'm quite familiar with gothic churches and pipe organs. A quick run through chamber, orchestra, vocals showed a new dimension and playing with the presets is just pure fun. Like several who tried testified - there is no way back to the flat, boring stereo listening. Also the initial listening shows what Romy suspected - bass capable RI helps to ameliorate the bass deficiency of the Dannoys.
I'd like to make a proper setup. Any tips? I plan to mount the Focals (this is the best I could get for  a reasonable money) at the ceiling, angled down at the listening position like the Yamaha manual says. The RI tweeters will be some 230cm off the floor, while the main Dannoys are 95cm. Now they are much lower resting on books, chairs etc. I hope this is not too high and the Focals will manage. How do you set the volume of the RI? Matching to the main channel volume via pink noise. So far I've set by ear.

As I said before, DSP 3000 the most advanced If you would like to use the classic Yamaha reverberation fields ejection, but many of those units very faulty. The contemporary implementation of the same injection in a contemporary Yamaha receivers is much more stable and top of the light units have the same functionality as as DSP 3000 has, you just need to pay an additional $ few thousands dollars, which comes with the rest of the unit. 

Now about being reversible. What you are saying is pretty much my position a few years ago when I vigorously advocated reverberation injection for any sensible playback installation. My position absolutely not changed on the subject, however my objective what I would like to accomplish are changed very dramatically.   This might be a subject for a separate conversation and I do not want to talk about it here. All that I am saying that I am having fully operational and very well performing injection in both Auro and Yamaha format and I not very frequently use it. In fact I mostly use them to impress visitors but for myself I use it very selectively.

That last thing is about recommendation of anything. Unfortunately, I do not feel it is practically possible. In organization of reverberation injections, there are so many variables dealing with idiosynthesis of a given playback, given room, giving user preferences that to bring any general recommendations here without being in the room make it impossible to reflect what's going on in the room from a distance...

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