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#1011 | |
diyAudio Member
Join Date: Dec 2004
Location: Bakersfield, CA
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Quote:
Those are the original IWATAs that did not have the metal reinforcement ring. They were weak. In fact one of mine broke. The waveguide pulled completely free of the MDF mounting ring. When I made the repair I added fiberglass to build up the transition from MDF flange to waveguide. The fix worked and I don't think there is much of a chance that they will come apart again. The driver in the VOTT box is a GPA 416C. GPA makes a very nice product. Their 416C driver in a stock Altec 828 cabinet is usable (with boost) to 40Hz. The crossover is active and is set at 650Hz / 18dB per octave. I use Dirac Live running in a Datasat RS20i Processor to smooth the response. Bass Management extends the bottom end to 20Hz. I'm very happy with the results.
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#1012 | |
diyAudio Member
Join Date: Jun 2004
Location: Szczecin
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Quote:
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#1013 |
diyAudio Member
Join Date: Jun 2004
Location: Szczecin
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JMLC-200T solid surface edition, perfect craftsmanship, rollback joint is smooth, gloss deep.
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#1014 |
diyAudio Member
Join Date: Jun 2004
Location: Szczecin
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Radian 950PB Truextent in JMLC-200T.
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#1015 |
diyAudio Member
Join Date: Jun 2004
Location: Szczecin
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Compared to 4590.
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#1016 |
diyAudio Member
Join Date: Feb 2011
Location: Odense
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jzagaja -
(being a non-techie myself..) How would interprete the differences between the BMS 4590 and Radian 950PB True extent in the measured comparison? The impulse response of the Radian unit seems "cleaner" to me.. |
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#1017 |
diyAudio Member
Join Date: Jan 2002
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#1018 |
diyAudio Member
Join Date: Jun 2004
Location: Szczecin
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4590 - 1uF on HF unit out of phase, no crossover on rest. Hard to tell subjevtive difference as i have only one Radian, BMS has more sparkle. Radian look is awesome and it's light.
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#1019 |
diyAudio Member
Join Date: Jan 2002
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Cheers for that info. Not the way I'd use the 4590 myself: I much preferred a a steep active xover at 6k5. Notwithstanding my preferences, most people would have something more there than what you have, so not too much should be made of the comparison between it and the radian, based on that.
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#1020 |
diyAudio Member
Join Date: Jun 2004
Location: Szczecin
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Radian has a step at the output of phase plug.
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