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Multi-Way Conventional loudspeakers with crossovers

Nearfield Monitors with 5 or 6.5" woofer
Nearfield Monitors with 5 or 6.5" woofer
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Old 8th September 2018, 05:21 PM   #11
Bangla H is offline Bangla H  Germany
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Default an Oldie Davis 13KLV5(M)A

Hi gug,
may a bit idea to older speaker.

I like the Davis 5", it is real a very old chassis, it has 91dB/spl and goes to 57Hz in ~7liter vented volume and is linear to 4kHz.
Newer chassis you would difficult find all combined.
My tests are based on B. Timmermanns construction in late 90'is.
I have experimented with Expolinear RT-4Pro and finally a result what i like to
listen.
Many other options with own magic possible.
Davis Lautsprecher 13KLV5A | Lautsprecher Intertechnik - Shop
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Old 8th September 2018, 05:40 PM   #12
gug42 is offline gug42
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Hello,


Thx, Seems a real woofer : DAVIS ACOUSTICS 13KLV5A DATA_SHEET
Sadly a little too pricy ... in second hand market ?
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Old 8th September 2018, 06:07 PM   #13
Roby60 is offline Roby60
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hello,
promo here : DAVIS ACOUSTICS 13KLV5A Haut-Parleur Bas Medium Kevlar 50W 8 Ohm O 13cm - Audiophonics
or take a look on french forum, it's a classic
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Old 8th September 2018, 06:43 PM   #14
gug42 is offline gug42
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Hello,


I will look Sadly if audiophonics does'nt have in stock ... they rarely can get it later.
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Old 8th September 2018, 07:55 PM   #15
Bangla H is offline Bangla H  Germany
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Default more budget options

these examples have not that searched spl.
On my list ScaMo in Ellam case.
Ellam-Discovery-15
Strassacker, Komponenten: Lautsprecher, Frequenzweichen, Bauelemente, only 85dB, but if you know scan speak.....
DAU Mino_M- here i like the waveguide- more omnidirectional.
DAUmino „M“ – 40 Hz aus 8 Litern – Donhighend Audio


Best Price for old Davis i could found here:
DavisHp


May it helps a bit.


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Old 8th September 2018, 08:36 PM   #16
gug42 is offline gug42
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Thank you I will look at them !
Well I have look to davis speaker, they seems great ! Even for small sized.


Hum I'm thinking about the Rabbitz Sopranos-Write-up-A.pdf
Seems pretty cool too ! And small for sure
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Old 9th September 2018, 01:48 AM   #17
LineSource is offline LineSource  United States
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PORTS SUCK! they also blow... whistle... huff and puff.... leak midrange harmonics.... generate phase shifts

TID....BIT.... Put a 6.5" SB17MFC35-8 midwoofer in a sealed 0.6cuft cabinet and you will experience excellent transients from 2,300Hz down to -F3=62Hz before room gain.

As part of your decision tree... Have you compared sealed vs. ported nearfield speakers?

Last edited by LineSource; 9th September 2018 at 01:54 AM.
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Old 9th September 2018, 05:47 PM   #18
Bangla H is offline Bangla H  Germany
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Exclamation SB17MFC

I have visit Zaph webpage to read about ZD5- sealed cabinet 0,5cuft has my attention.
You can see in my pic underneath Davis a old Seas W210NP in a sealed 1,2cuft (32Liter) cabinet, F3 ~ 60Hz.
Since i have sold it to a good Friend i was searching a speaker who would do a
good job like that one.
Thanks for info form SB17MFC, lineSource.
I agree your points with impressions, experience in listening to my Seas monitor.
The SB17MFC is a candidate since i read about Jeff Bagby's Tributes with balanced crossover.
Would it work in sealed cabinet too?

Jeff Bagby's Tributes Build
From meeting: YouTube



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Old 9th September 2018, 06:00 PM   #19
Bangla H is offline Bangla H  Germany
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Ah found that to Troels Gravesen SBAcoustics 61-MFC with very good Tweeter.
SBAcoustics-61-MFC
So you can go sealed or vented in 17 Liter cabinet.
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Old 10th September 2018, 04:54 PM   #20
LineSource is offline LineSource  United States
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Quote:
Originally Posted by Bangla H View Post
So you can go sealed or vented in 17 Liter cabinet.
1) A cabinet design with 20-21 Liters (0.7-0.75cuft) completely empty, ends up close to 17 Liters (0.6cuft) after adding the speakers + crossover parts + bracing + port tube. Internal sound absorption material like fiberglass and wool will increase the effective volume.

2) For greater usage flexibilty, you can include a port which is easy to plug, or easy to unscrew and remove.
--sealed 0.6ft^3 produces -F3 =62Hz
--Post #5 ported 0.6ft^3 produces -F3 =48Hz (2" internal diameter pipe, 11" long)
--studio monitors typically favor a front port for direct impact, home speakers typically favor a rear port for room intergration.

3) Bevels or Rounds... on top monitor cabinets. Reducing edge diffraction distortion is worth the effort to cut top edge bevels around the tweeter as in Post #5, or use a router to round the cabinet edges. A router with a 0.5" chuck can run a 1.5" radius quarter round bit. A 2xThick baffle is required.
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