My little toy
Impressive. Whats the purpose of the complicated shape between the mid/tweeter box and the woofer box?
My little toy
Great could you share some details?
Is that JBL D130? If yes, thunk the Vb is too small. It feels very good in 5-8cuft. The bigger the bettet. But its a fantastic extended range driver.
No, K140.
Concentric speaker with Eminence Beta10CX and ASD1001
hi all,
here are the images of my first speaker, It's a concentric design based on Eminence Beta10CX and ASD1001. 65 liters volume tuned at 42 Hz.
The crossover is a slightly modified version of the eminence PXB2:2k5 CX.
hi all,
here are the images of my first speaker, It's a concentric design based on Eminence Beta10CX and ASD1001. 65 liters volume tuned at 42 Hz.
The crossover is a slightly modified version of the eminence PXB2:2k5 CX.
Attachments
hi all,
here are the images of my first speaker, It's a concentric design based on Eminence Beta10CX and ASD1001. 65 liters volume tuned at 42 Hz.
The crossover is a slightly modified version of the eminence PXB2:2k5 CX.
Congratulations on your first build.
When you would be feeling the need for improvement, consider PMC-like TL enclosure and autoformer (instead of resistive, as it seems to be now) attenuation for the tweeter.
I predict faster, more dynamic and tighter sound plus cleaner HF.
Best wishes,
M.
And where do you usually shop autotransformers?
Google is your friend. (not really)
There are speciallity solutions out there, for example:
Autotransformers | Critesspeakers.com
...and others, but I explored the PRO market attenuator and it worked for me. It sounds better than resistor.
There are some clips on youtube also comparing several options, even with Duelund resistors .
Cheers,
M.
Loudspeaker:
8 pcs. Precision Devices PD2450 in closed Box - Sub from 5 - 60 Hz
6 pcs. Acoustic Elegance TD15M in OB - midbas from 60 - 500 Hz
8 pcs. Morel SCM 634 in closed box - mid-range 500 - 350 Hz
2 pcs. Satori tw29bn-b beryllium - treble 3500 - 22000 Hz
8 pcs. Precision Devices PD2450 in closed Box - Sub from 5 - 60 Hz
6 pcs. Acoustic Elegance TD15M in OB - midbas from 60 - 500 Hz
8 pcs. Morel SCM 634 in closed box - mid-range 500 - 350 Hz
2 pcs. Satori tw29bn-b beryllium - treble 3500 - 22000 Hz
Last edited:
Frequency response. 1/48 smoothing
The frequency sweep looks excellent. You must have designed it well. How did you make your design choices?
Loudspeaker:
8 pcs. Precision Devices PD2450 in closed Box - Sub from 5 - 60 Hz
6 pcs. Acoustic Elegance TD15M in OB - midbas from 60 - 500 Hz
8 pcs. Morel SCM 634 in closed box - mid-range 500 - 350 Hz
2 pcs. Satori tw29bn-b beryllium - treble 3500 - 22000 Hz
I saw your design rationale on your sub thread:
My philosophy is lot of membrane areas and low stroke. It produces little distortion.
I think it is important with low group delay.
The room is also very important, and it is important to work for short reverberation in the lowest bass
Can I ask about the "6 pcs. Acoustic Elegance TD15M in OB - midbass from 60 - 500 Hz" please?
Is OB short for open baffle?
Were the TD15M originally meant for a sealed box?
Did you put the TD15M in a sealed box?
If so why change and how does it sound?
Thanks for posting your photos and measurements of your super system!
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