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HD 15 plots |
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Dom 
Old Croc 
Joined: 25 February 2004 Location: United Kingdom Status: Offline Points: 1700 |
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 Topic: HD 15 plotsPosted: 01 July 2005 at 6:23am |
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"It sounded like a million fire engines chasing ten million ambulances through a war zone and it was played at a volume that made the empty chair beside me bleed."
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Timber_MG
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Joined: 27 March 2004 Location: South Africa Status: Offline Points: 1454 |
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Posted: 01 July 2005 at 7:50am |
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Have a look at ETF. It has a LF mode that delivers very nice results
for measuring subs up to 150Hzish and it also shows you any potential
resonances (generally accompanied by dips in FR)
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Dom
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Joined: 25 February 2004 Location: United Kingdom Status: Offline Points: 1700 |
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Posted: 01 July 2005 at 8:14am |
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As yet I've not got my head round ETF... |
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"It sounded like a million fire engines chasing ten million ambulances through a war zone and it was played at a volume that made the empty chair beside me bleed."
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norty303
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Joined: 18 August 2004 Location: Eastbourne Status: Offline Points: 8800 |
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Posted: 01 July 2005 at 8:40am |
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And i'm assuming thats with PD154's loaded. Interesting to see that dip at 125hz. I found thru experimenting that a reasonably wide Q BP EQ cut of 2 or 3db at around 120hz gave a large increase in perceived bottom end whilst buying another led's worth of headroom at the amp. Seems thats what's needed to flatten the response so i'm glad my ears are working right! Seems 63hz is the ideal cutoff to an X1! Nice one Dom |
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My laser stuff: Frikkin Lasers
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Contour
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Joined: 03 March 2004 Status: Offline Points: 677 |
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Posted: 01 July 2005 at 11:05am |
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Hello, Dom was it you talking about 40-45hz extension with multiple HD15 cabinets? Do you use EQ to reach that? Best regards, Walt |
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