@Galu That are the specifications of the woofer wich i already have a box calculated for it,what i need to do how i said above,i need to make a box and to know a suitable literage for the ("Ayima MID Speakers"),but my bad because i don't was clear enough above,sorry for the confusion.What i wanted to reffer above it was for Ayima Mid Speakers,but because they have the same name and size it was confused the discussion a bit.
These T/S specs are 'floobydust' to the max! based on the published LMS measurements, which I verified match up whether T/S or Cms, etc., is used, so best if the above post is deleted.For ease of reference, here are the parameters of the Aiyima 6.5" Woofer:
Impedance: 4 Ohm
Rated power: 50W
Frequency: 46Hz-3.2Khz
Sensitivity: 89db±3db
Voice coil diameter: 30mm
Vas: 12L
Qts: 0.4
BL: 5.4
Perhaps an accommodating expert will suggest a suitable woofer enclosure? 😉
Of course these could be too


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So @meganitro24, your posts #6 and #15 were a diversion from the main topic. I'm increasingly easy to confuse in my advancing years!
@GM It seems that the above woofer has nothing to do with the OP's current project and should not have been mentioned by him.
Please disregard those specs and return to square one!
@GM It seems that the above woofer has nothing to do with the OP's current project and should not have been mentioned by him.
Please disregard those specs and return to square one!
i need to make a box and to know a suitable literage for the ("Ayima MID Speakers")
For which, unfortunately, there are no Thiele/Small parameters.
It's the open back, 8 ohm version here: https://www.aliexpress.com/item/100...567ee734c80aff1f25354ae9a69&afSmartRedirect=y
Have I got it right, meganitro24, or am I still confused?
No, you are not confused, for those without the parameters, just as it says in the title, we are trying to determine the liter capacity and the suitable enclosure for them because, since they will be used in the same enclosure, I cannot simply put them, if they do not have the parameters are more difficult to determine
@Galu there is no diversion in the posts mentioned by you, I'm just explaining the fact that I will continue to use them but that I need to find out their capacity, because initially I didn't look so carefully if they are medium, because in the title if you look, it says that they are midrange/bass but also subwoofer, and I assumed that they are more bass, otherwise why did I bother to continue the topic
Look in my first post #1 to the specifications,and to post #5 and you will see you understood wrong for what i need to build an enclosure.I specified from beginning to what i need help,but you looked only to the subwoofer speaker and you thinked i need help for a enclosure for that in the first.In almost all the posts I only talked about the "midrange" speakers, if you notice, I didn't talk about the subwoofer speaker
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you could try this method https://www.instructables.com/Enclosure-size-for-small-loudspeaker-drivers/
A typical closed (sealed) box volume for a roll surround 6.5" mid/bass speaker, such as the 8 ohm one in your link, is around 0.4 cubic foot (11 litres).
That's the best I can do in the absence of T/S parameters.
That's the best I can do in the absence of T/S parameters.
P.S. The 0.4 cu ft estimate of box volume comes from "Building Speaker Enclosures" by David Weems, and is not simply a guess on my part.
Please disregard those specs and return to square one!
As we don't even have an Fs or recommended BW as a basis to choose box/vent size using (one of) the pioneer's selection charts, PRR's guesstimate seems as good as any, so time (for me) to move on.
Well,Thanks anyway for all explanations,i wanted to check if exists a method to determine Vas manually,but i think need to make the measurements of the T/S manually,and come back with them,idk
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