![]() ![]() ![]() ![]() I should point out that this is an invitation-only event. Out of 150 plus pictures I took, I probably missed - um, nearly everything. And we're talking about an RCA professional and industrial products-centric collection with some rare and nearly extinct species. Part of the reason is that there's vintage audio to be seen. There's nothing off limits, no "be careful on that carpet", no locked doors. When I say Jonathan opens up his home, I mean that quite literally. The things to be tasted at the Mill include audio, music, amazing food, drink, smoke and most importantly (it appeared to me) good company. People travel from far and wide to attend: New York, New Jersey, Massachusetts, the Carolinas, Portland, Berlin and more. Jonathan Weiss opens up Oswald's Mill once a year for what he's dubbed a Tube and Speaker Tasting. New custom internal wiring from Analysis Plus and a newly designed wiring harness are further improvements, along with a new circular rear compression chamber for the lower mid bass horn driver.This page is in part supported by the sponsors whose banners are displayed below Only the light colored sap wood was used from each tree, which greatly increased the amount of labor involved in fabrication.Ĭombined with the black wrinkle finish frames and black slate water jet cut grills for the twin bass modules, this new version of the Imperia offers maximum contrast in materials. Finished in hand rubbed oil and wax, we preserve the wood's natural beauty and light color. The newest iteration shown features natural Pennsylvania ash. The outboard crossover network is coupled to the Imperia via a solid slate patchboard. The high frequency horn is cast by OMA from aluminum alloy. The 300hz midrange horn uses the incomparable Cogent DS1428 field coil compression driver. The 100hz and 300hz wooden conical horns are made from a choice of solid Pennsylvania walnut, cherry, ash, or chestnut. The system as a whole is extremely efficient at approximately 105db 1w/1m, and is entirely time aligned. This special sub is 104db 1w/1m and is powered by its own solid state amplifier, designed and built by OMA. The Imperia is the ultimate speaker from OMA.Ī four way fully horn loaded system, with a vertical array of conical horns covering 100hz to 20khz, and two rear loaded subwoofer horns using a massive 21" neodymium woofer handling 20hz-100hz. ![]() Systemet er ekstremt lettdrevet med en effektivitet på 105db (1w/1m) og vil aldri kreve mer enn en håndfull watt for å levere lydtrykk på konsertnivå. ![]()
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