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Tangband W69-1042 + W3-315E F.A.S.T. project
Tangband W69-1042 + W3-315E F.A.S.T. project
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Old 16th December 2010, 12:01 PM   #1
jockel77 is offline jockel77  Germany
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Join Date: Feb 2006
Location: Germany
Default Tangband W69-1042 + W3-315E F.A.S.T. project

I'm looking forward to give my W3-315E some bass encouragement.
The Tangband W69-1042 Bass driver is my favourite choice for this job:

The W69 can be build in a realtively small enclosure (~30 Liter volume)
Bassreflex type and should deliver good response down to 40 Hz or even lower.

Now, I'd need some help for passive crossover calculations.
The crossover frequency should be around 200Hz-300Hz.
The W69 will be mounted on the front panel (not in the side).

My questions:
Which kind of filter sould be useful: 6dB or 12dB for both chassis ?
Is there any need for impedance linearisation ?
For the W3-315E I already use a LCR circuit (0,56mH, 6,8F, 6,8 Ohm) which I want to take with for the new crossover.

I'm afraid of high valued coils for the bass driver, which will lead to high costs for electronic parts, maybe switch over to an active implementation
with an active crossover like Behringer DCX2496 which gives more abilities to change values later ?

Does active crossover (with opamps and many electronis parts inside) influence the sound in bad way (compared to simple passive crossover design)?
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Old 16th December 2010, 12:33 PM   #2
MPM is offline MPM  United States
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Join Date: Sep 2004
Location: Alabama
I've often thought of a Tang Band based F.A.S.T project. Very interested in this as I already have the 3" drivers.

Good Luck and keep us posted.

Last edited by MPM; 16th December 2010 at 12:43 PM.
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Old 16th December 2010, 01:20 PM   #3
flaevor is offline flaevor  United States
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Join Date: Jan 2005
Location: Germany
you might want to check with blue planet acoustic they already have this:

Titan FAST One Bausatz - Lautsprecher Selbstbau by blue planet acoustic

and I think they are working on another very similar combo with a different fullranger.
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