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smitske96 View Drop Down
Young Croc
Young Croc


Joined: 16 February 2016
Location: The Netherlands
Status: Offline
Points: 516
Post Options Post Options   Thanks (0) Thanks(0)   Quote smitske96 Quote  Post ReplyReply Direct Link To This Post Posted: 03 June 2019 at 10:12am
I've tested the cab 2 days ago, results where encouraging but it needed more bracing in the mouth. For me they go low enough, I used 24dB BW @30Hz, HPF and 24dB LR @80Hz NOTE: those filters where just figured on the go, so probably not optimal. For amplification I used one channel of a CTS-3000.

If possible I'm going to add some bracing in the next coming weeks and test again.
Also using the 21SW152 for the cab is on my mind.


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FrederikMA View Drop Down
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Joined: 19 July 2017
Location: Copenhagen
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Post Options Post Options   Thanks (0) Thanks(0)   Quote FrederikMA Quote  Post ReplyReply Direct Link To This Post Posted: 04 June 2019 at 6:56am
Those components are some powerful players smitske96. Does anyone have any background info on paraflex enclosures? When searching, paraflex seem to be the name of whatever hybrid of series/parallel BP6, transmission-line, tapped horn, planar wave or reflex one can come up with.

About drivers, if a Paraflex is anything like series BP6, low Qes is critical to low-frequency performance. In simulations I gained approximately 10Hz of extension (40Hz-30Hz) going from 21SW115 (Qes of 0,39) to 21SD115 (Qes of 0,24), in a 300L series BP6. Try to sim it if you haven't.
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smitske96 View Drop Down
Young Croc
Young Croc


Joined: 16 February 2016
Location: The Netherlands
Status: Offline
Points: 516
Post Options Post Options   Thanks (0) Thanks(0)   Quote smitske96 Quote  Post ReplyReply Direct Link To This Post Posted: 04 June 2019 at 9:52am
Yes but using the 21DS115 in the type-C the width of the cabinet would become 81 cm.
Using the 21SW152 the width of 61 cm can be used due to the lower Le.

Until now I still don't know which driver to use. price difference is about 100 euros here.
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