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In the Forum: Horn-Loaded Speakers
In the Thread: RAAL “Water Drop” tweeter for Macondo.
Post Subject: RE: Another very interesting Water Drop’s behavor.Posted by Romy the Cat on: 2/19/2007
 Romy the Cat wrote: |
| I detected that the Water Drop tweeter has VERY interesting ability to react to the stage of out stage. I am driving the Water Drop with a full range Melquiades SET. As you know the full-rage Milq use a moderate Lindale transformer with a juts 200mA gap. So, the usual cruise operation of the Milq is 230V at 180mA on a full 6C33C… What happen when current run over or near 200mA. The transformer dives saturation… but what happens with Sound? Of course it goes gown, the question is how much down? Usually the saturated transformers very easy spot by bass, well not VERY easy but it is audible. However with Water Drop it is very different. As soon the plate current approaches to 195mA the sound of tweeter changes Boolean-like and become a razor-sharp hard and VERY brutal. I have seen some tweeter react to SET saturation but I never seen so aggressive reaction. Any explanation why? |
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I asked the RAAL’s Alexander this question and here is his reply. It sounds very rational.
“As for the plate current, any clipping or saturation creates HF rubbish. You are dealing with extremely sensitive detector of what is contained in the signal. I was telling you before of it's ability to detect (play) microamperes of current, meaning no compression or low level signal masking. In clipping or saturation events, the amp generates infinite number of HF harmonics. They are low in level but their real amount usually stays undetected with regular tweeters or mediocre ribbons. In short, rubbish in-rubbish out. As it successfuly detects such events, it also brings out every bit of rubbish that you might have in the system, all the way to the mikes used during recording. This may sound like propaganda bullshit, but in time you will see what I mean.”Rerurn to Romy the Cat's Site