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Audio and Video Talk
Valves / Vacuum Tubes
LUXMAN MQ70 tube amplifier (new issue)
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<blockquote data-quote="Agaton Sax" data-source="post: 960811" data-attributes="member: 2475"><p>Non sequitur but we are busy building a 2 way high efficiency speaker. That is others are building an I am cheering. This particular set up uses a fairly complex crossover that included zobel neworks across the drivers. In the same breath some armchair pilots have been critisizing the crossover circuit in the TAD monitors (2402 abn 2404)as it is textbook for 4 ohm saying surely Technical Audio Devices (for it is their design) could have done better than assuming impedance is just 4 ohms across the board?</p><p></p><p>Well look at the effect of a Zobel network on driver impedance. Drivers here are TAD 1601. Blue without zobel,red with.</p><p></p><p><a href="https://flic.kr/p/2hTW9S1" target="_blank"><img src="https://live.staticflickr.com/65535/49158107988_02f34a9206_b.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a><a href="https://flic.kr/p/2hTW9S1" target="_blank">zobel tad</a> by <a href="https://www.flickr.com/photos/jdza/" target="_blank">jdza</a>, on Flickr</p></blockquote><p></p>
[QUOTE="Agaton Sax, post: 960811, member: 2475"] Non sequitur but we are busy building a 2 way high efficiency speaker. That is others are building an I am cheering. This particular set up uses a fairly complex crossover that included zobel neworks across the drivers. In the same breath some armchair pilots have been critisizing the crossover circuit in the TAD monitors (2402 abn 2404)as it is textbook for 4 ohm saying surely Technical Audio Devices (for it is their design) could have done better than assuming impedance is just 4 ohms across the board? Well look at the effect of a Zobel network on driver impedance. Drivers here are TAD 1601. Blue without zobel,red with. [url=https://flic.kr/p/2hTW9S1][IMG]https://live.staticflickr.com/65535/49158107988_02f34a9206_b.jpg[/IMG][/url][url=https://flic.kr/p/2hTW9S1]zobel tad[/url] by [url=https://www.flickr.com/photos/jdza/]jdza[/url], on Flickr [/QUOTE]
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Audio and Video Talk
Valves / Vacuum Tubes
LUXMAN MQ70 tube amplifier (new issue)
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