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Old 14th January 2012, 11:27 AM   #21
Helmuth is offline Helmuth  Netherlands
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Quote:
Originally Posted by Draki View Post
Nice!
What is the co point? And how much did you attenuate the CD? Resistors or autoformer?
570Hz, I did try C-core autoformer and resistors. I use now many parallel 2W metal-film resistors they sound the best and cost about nothing, wire wound sound harsh due inductivity.
The damping factor improves with the attenuation compared to direct connection to SE-tube amp.
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Last edited by Helmuth; 14th January 2012 at 11:32 AM.
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Old 14th January 2012, 11:56 AM   #22
_henry_ is offline _henry_  Australia
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helmuth,

that is very handsome.
what woofers are u using?

cheers
henry
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Old 14th January 2012, 12:03 PM   #23
Helmuth is offline Helmuth  Netherlands
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Originally Posted by _henry_ View Post
helmuth,

that is very handsome.
what woofers are u using?

cheers
henry
They aren't available in in indonesia. Janicol had a good example you could use they would do 2dB more if they meet the simulation, and are not expensive.
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Old 14th January 2012, 12:09 PM   #24
_henry_ is offline _henry_  Australia
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? i was born in indonesia, but im hoping between china, philippines and aust. not ideal for the hobby, but what can i do

who is Janicol?

i've used alpha15 and beta15. Beta15 outperform alpha by miles. but ur woofer cones does look like alpha15.

cheers
henry
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Old 14th January 2012, 12:13 PM   #25
Helmuth is offline Helmuth  Netherlands
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Quote:
Originally Posted by _henry_ View Post
? i was born in indonesia, but im hoping between china, philippines and aust. not ideal for the hobby, but what can i do

who is Janicol?

i've used alpha15 and beta15. Beta15 outperform alpha by miles. but ur woofer cones does look like alpha15.

cheers
henry
You have experience enough.
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Old 14th January 2012, 12:43 PM   #26
Flaesh is offline Flaesh  Russian Federation
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I'll try to ask ...........
Helmuth, what compression driver you used?
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Old 14th January 2012, 12:53 PM   #27
Helmuth is offline Helmuth  Netherlands
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I'll try to ask ...........
Helmuth, what compression driver you used?
Beyma cp750ti then you have to select the right one. Just stock has to huge tolerance Hifi application
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Last edited by Helmuth; 14th January 2012 at 01:20 PM.
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Old 15th January 2012, 05:19 AM   #28
Flaesh is offline Flaesh  Russian Federation
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clear
and
Quote:
Originally Posted by Helmuth View Post
a 2inch driver a Paudio ..
puzzles me
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Old 15th January 2012, 07:08 AM   #29
DQ828 is offline DQ828  Australia
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Very nice work Helmuth.
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Old 15th January 2012, 08:08 AM   #30
Helmuth is offline Helmuth  Netherlands
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Quote:
Originally Posted by Flaesh View Post
clear
and puzzles me
2" paudio horn not driver.
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