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Yes, the "Injection Channel" consists of a pair of Tannoy Reds, used as direct radiators, in sealed enclosures. I would not say that they overly specifically optimized. I did many optimizations equalizing them, filtering them but I never was able to get the proper Injection effect. Eventually I tried something very simple – to let it run as is but to attenuate them at 2- 2.5 times. This gave a very positive effect and then the main problem is left - the positing. Since the "Injection Channel" runs full range with the Reds tweeter outputs plenty at 10K there is no space to put it. With near 30Hz resonance frequency the box should be relatively large so the only way where I can put it in Macondo would be right or left from the tweeter. However, with this position imaging go severally distorted eave with Reds run at minus 9dB.

Last Sunday I put the box with read above the Macondo frame and it was positively different. The box with Reds now at the very same vertical line with all other Macondo drivers and the Red’s bass and Red’s MF shape a very tall (equal the height of the room) line array. To my big surprise, THE PROPERLY DIALED BY LOUDNESS the Injection Channel  has very-very little affect on imaging and practically do not shift presentation vertically. So, I low-passed the Reds at 8 K and it looks slightly better (not perfect), allowing to add 1dB to the Reds output.

I did not finish with the experiments yet but the general result is extremely positive and it accomplished by surprisingly little means… My ultimate objective would be to run the Injection Channel enjoying it’s all benefits but at the same time having absolutely no negative consequences to the rest of sonic presentation. I do not think it would be difficult….

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