![]() ![]() The tophat is siliconed to the basket of the driver. ![]() Pics of the midrange have been added to the shared gallery. I see them as a poor man´s version of Clair Brothers S4 all-in-one system: probably nullifying the "0 $" priceģ) the HF side includes protection: 2 x 20V 5W Zeners in reverse series, and which add a 4 ohm 20W resistor in parallel with tweeters on peaks.īy then Bud Ross had 25/30 years on Live and MI sound under his belt, he was no fool and designed a practical low cost product which performed well, by 80´s standards, no doubt many performing bands as you mentioned used these. If you use real drivers and horns, fine, but you´ll need a proper X-Over too. Just last week I saw somebody using a 3:1 audio transformer, of course wound for higher frequency duty so it was actually quite small, like this one, and his add-on piezo unit measured RMS, 1 meter, which is impressive for such a cheap solution. It´s a common trick to make Piezos real loud. Describes situation better.ī) see that it has a step-up transformer: T1, labelled "102". 1) don´t think Hi Fi here, these are *large* Live PA boxes, designed for a very specific goal: LOUD!!!!, anything else takes a second seat here.Ģ) the correct tweeters there are Piezos, and an effort has been made to improve what they usually offer.:Ī) since they are intrinsecally very high (and varying) impedance, don´t think "watts" but "volts" instead. ![]()
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