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My 11-years-old 150 ASLTs (Anni amps) came back to me last week with the new tweeters installed. Wow! Huge improvement, way beyond my expectations. I'm hearing things I never knew were there on very familiar material, and I've been using large active ATCs at home for over 20 years, having previously used SCM 100 ASL pros for a decade, so I'm used to a very good sound.
At the moment, the speakers are sitting on their plinths on the wooden floor, no spikes. Floor is engineered wood over concrete in the half of the room where the speakers are standing. The bit I sit in is over a suspended floor, as the room was knocked-through into what was our garage. My longsuffering wife doesn't want me to toe the speakers in for aesthetic reasons (I agree with her), so they are facing straight ahead, 2.5m apart from tweeter to tweeter, and the listening posn is 3.8m away.
I'm planning to put them on Mana stands, which will raise them by 30 cm + the spike length above where they are right now. The Mana stands each consists of four spiked metal frames alternately stacked with four 1cm thick MDF boards resembling Formica. I don't know whether these will interfere with or disrupt the formation of a standing wave in the vertical axis of the speaker, but they do seem to prevent bass getting into the floor.
Very happy with the outcome, strong recommendation to anyone with the SEAS tweeters.
At the moment, the speakers are sitting on their plinths on the wooden floor, no spikes. Floor is engineered wood over concrete in the half of the room where the speakers are standing. The bit I sit in is over a suspended floor, as the room was knocked-through into what was our garage. My longsuffering wife doesn't want me to toe the speakers in for aesthetic reasons (I agree with her), so they are facing straight ahead, 2.5m apart from tweeter to tweeter, and the listening posn is 3.8m away.
I'm planning to put them on Mana stands, which will raise them by 30 cm + the spike length above where they are right now. The Mana stands each consists of four spiked metal frames alternately stacked with four 1cm thick MDF boards resembling Formica. I don't know whether these will interfere with or disrupt the formation of a standing wave in the vertical axis of the speaker, but they do seem to prevent bass getting into the floor.
Very happy with the outcome, strong recommendation to anyone with the SEAS tweeters.
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