Using the Eminence PXB3:1K6 crossover.
I want to full range the mid and high for small gigs.
Active crossover between this and the Delta for larger gigs.
What component elimination and changes do I have to make to this crossover?
Can't find a schematic for a PXB2:1K6.
Also: the cabinet ready crossover looks to have a tweeter
attenuator. Does Waynes tweeter cct. mods eliminate this
or should I go for an adjustable attenuator?
Wayne Parham Messages: 18723 Registered: January 2001
Illuminati (33rd Degree)
Which model speaker crossover are you trying to emulate?
You can modify an Eminence crossover to make it - just look at the schematic and replace values where needed. You'll have to add the (R1/R2/C1) tweeter compensaton externally, like in a cable assembly. You'll also have to add the Zobel off-board.
Using these speakers my set up has been 6pi. I have built many
systems through the years, (the 6pi being the best) but due to
some disease I can not leave well enough alone. The only self
built speakers I have left are a pair of Zigmahornets.
I wish to change my pxb3:1k6 crossover to a pxb2:1k6.
The psd2002 and 10" mid are now in a 1.5 cu.ft. ported cabinet.
The 10" mid is no longer horn loaded. The 12" bass is in it's
own 3.5 cu.ft. ported cabinet. I want to run the 1.5 cabinet
full range using the 3 way crossover. The tweeter compensation
cct. has been added.
When I use both cabinets I will be using a Behringer active crossover.
I can't find a schematic for the pxb2:1k6 crossover.
This forum is still very active and Wayne is super for answering
everyones questions promptly. If other members wish to modify
my crossover for me feel free.
Then Wayne can intervene with suggestions or corrections if needed.
This may lessen the burdon on Wayne,(or make it worse)
Wayne Parham Messages: 18723 Registered: January 2001
Illuminati (33rd Degree)
Not sure how I can help here. I can send the six π plans (with its crossover schematic) if you need, but it sounds like you probably already have it. If you just want to know the three π plans crossover schematic, look here:
The Eminence PXB2:1K6 crossover is pretty much a textbook second-order woofer filter and third-order tweeter filter (without Zobels). It has been a while since I fooled with it, but as I recall the woofer values are 1.0mH and 10uF, and the tweeter values are 8.2uF, 0.6mH and 22uF, something like that.
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