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Kerry Brown wrote:

For years, I used to have passive line level filters and tube amps - single ended 45's and 2A3's. To make a long story short I am much happier now. Screw tubes ! ( Don't hate me. )

Kerry, I do not think that somebody would hate you. It is enough that you hate yourself :-)

Now a little more serious.  I sincerely feel that to drive horns with alnico HF drivers with PP SS electronic is not wise. Saying it I do not follow any “religious principles” or anything like this but I just refer to my own very extended experience to drive horn with absolutely anything possible. In past I have even drove the horns with table radio boom-boxes and with caps amplifiers…. What I surmised that your acceptance of the cheap, beginning level pro-audio electronics and the unfortunate digital crossover is primary because your playback is severally contaminated by the misery of SS PP driving your horns.

OK, I would admit that I have seen the situation when the SS PPs were effective with horns. It was with some low compression driver and only if the drivers used ceramic magnets. However, the drivers with “soft” Anico magnet were completely sonically ruined by SS electronics.

The very primary and very imitate affect that SS electronics has on better drivers is suppression of tonal color and substation of transient characteristics with juts plain hardness and compression. From her is very obvious why you accept the idea of digital crossovers – because your playback chain is severely contaminated by the SS de-personalization.

You said that you used in past the SET electronics. Well, perhaps they were not now good amplifiers, as the majority of the SET amsp out there are not practically good. A better amplifier should not sound better but should juts highlight the imperfection of the rest reproduction chain. So, my expectation is that connecting a good sounding SET to your horn you should get worst sound because your horns and your amps would show off how your digital crossovers really sound.

Anyhow, Kerry, I would defiantly not suggesting the your playback sound bad. But am absolutely assure you that it is not sound as good as it could be. The JBL 375 077's are a very good combination that could do much more then the PP-level electronic could permit them. Well, of course in order to get it you should play something more demanding and morediscriminative then the Led Zeppelin… but it would be another story… :-)

Rgs,
Romy the caT

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