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Multi-Way Conventional loudspeakers with crossovers

Silver Flute 6.5"
Silver Flute 6.5"
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Old 10th November 2009, 01:07 AM   #1
mdynac is offline mdynac  United States
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Silver Flute 6.5"
Default Silver Flute 6.5"

i have a set of PE BR-1S (yes shielded), i did the murphyblaster crossover upgrade....

i just ordered a set of Silver Flute 6.5" 8 ohm speakers....

i am looking to swap out the Dayton DC-160S-8 with the silver flutes.....

keeping the Dayton DC28F-8 tweeter......

any comments on this combination?

I'm putting them in the original BR-1 enclosure

i also have a homebuilt Decware Deathbox II 10" sub in between the BR-1s's.

anyone else think that the BR-1's are mid -fi at best???
i am hoping the SF 6.5's will be more natural midrange....

it seems the BR-1's just like to be played loud with my Adcom 535II

they sure don't sound like my Fulton Tempo's ....

anyone else tried to improve the sound of the BR-1S ????
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Last edited by mdynac; 10th November 2009 at 01:33 AM.
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Old 10th November 2009, 02:29 AM   #2
mikejennens is offline mikejennens  United States
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Silver Flute 6.5"
Quote:
Originally Posted by mdynac View Post

anyone else tried to improve the sound of the BR-1S ????
I haven't but I'd like to learn more. Do you have some info or a link to the BR-1S mod?
Thanks,
Mike
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Old 10th November 2009, 02:48 AM   #3
mdynac is offline mdynac  United States
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Silver Flute 6.5"
if you google "murphyblaster" (murphyblasterproductions) the first hit will take you to the BR-1 mods...among many others....

this is a start.....

there are 2 diffenent xovers, one for BR-1 and one for BR-1S (shielded)

i did the BR-1S crossover, i never even listemed to the stock BR-1S crossover
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Old 17th November 2009, 12:28 AM   #4
mdynac is offline mdynac  United States
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Silver Flute 6.5"
okay

the BR-1S now has the Silver Flute 8 ohm woofer installed.

i used a Zobel network consisting of a 9 ohm resistor and an 11 uF cap.

the lowpass filter is a .33 mH coil...


the highpass filter is an 8.2 uF cap.


the sound is outstanding, it BLOWS AWAY the original BR-1S.....

all i can say is the SF woofer is outstanding.....

i hope this helps some folks out there.
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Old 27th November 2009, 01:07 PM   #5
mdynac is offline mdynac  United States
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Silver Flute 6.5"
well the xover was not quite right....

i changed it to 2725 hz 6db

hp = 10.2 uF

lp = .5 mH

i am also ordering the seas 27TDFC tweeter to replace the dayton.
(the xover will change again)

also the Zobel network will be changed to 11 ohms + 12uF

i have been following the Double Chamber Reflex (Silver Flute W17RC + Seas 17TDFC) thread for some of these values....
it has been quite helpful.
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