Simplexx 212 build w/ Pics

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Electric Wisdom
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Re: Simplexx 212 build w/ Pics

#151 Post by Electric Wisdom »

Askia wrote: Sun Apr 08, 2018 7:08 am You had a picture with the finished crossover, looked very clean, you could put it back, as a good example!
I will, but the lowpass one was sooooo wrong i did it all over again.
I will wait before it's all screwed on and done properly but for now i feel like i will have to use a l-pad or something, tweeters are super loud compared to the woofers... *for the moment not being screwed in* also the jack plate behind isnt screwed yet, so lots of leaks air at the moment lol

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Electric Wisdom
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Re: Simplexx 212 build w/ Pics

#152 Post by Electric Wisdom »

This one is a good choice if i choose to add a l-pad?
https://qcomponents.ca/McBride-LP-50S.html
I'd bridge both chanels since its stereo to get 4ohm like mentioned in the build doc.

Bruce Weldy
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Re: Simplexx 212 build w/ Pics

#153 Post by Bruce Weldy »

Electric Wisdom wrote: Sun Apr 08, 2018 12:19 pm
I'd bridge both chanels since its stereo to get 4ohm like mentioned in the build doc.
What in the world are you talking about?

If you bridge a stereo amp, you no longer have stereo - it's mono. Please explain carefully what you are doing.

Do you understand the terms you are using?

6 - T39 3012LF
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"A system with a few knobs set up by someone who knows what they are doing is always better than one with a lot of knobs set up by someone who doesn't."

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Electric Wisdom
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Re: Simplexx 212 build w/ Pics

#154 Post by Electric Wisdom »

Bruce Weldy wrote: Sun Apr 08, 2018 12:21 pm
Electric Wisdom wrote: Sun Apr 08, 2018 12:19 pm
I'd bridge both chanels since its stereo to get 4ohm like mentioned in the build doc.
What in the world are you talking about?

If you bridge a stereo amp, you no longer have stereo - it's mono. Please explain carefully what you are doing.

Do you understand the terms you are using?
haha omg no don't worry, sorry i will try to describe better but i was talking about bridging that l-pad lol, since they are just 8ohm available, in the doc it says you can wire pins together to get 4ohm instead. (just the l-pad)

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Bill Fitzmaurice
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Re: Simplexx 212 build w/ Pics

#155 Post by Bill Fitzmaurice »

Electric Wisdom wrote: Sun Apr 08, 2018 12:19 pm This one is a good choice if i choose to add a l-pad?
https://qcomponents.ca/McBride-LP-50S.html
That's fine, easily able to handle the power to the tweeters.

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Electric Wisdom
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Re: Simplexx 212 build w/ Pics

#156 Post by Electric Wisdom »

On another subject... i can use just the left chanel for now to test the cabinet ? Right chanel is at 0 on the crown poweramp, chanel 1 is around 2/10 turn.
I figure yes since in stereo mode they act as 2 separate amps in 1, so just using left chanel for now is ok?
I don't see any choice to select the ohm rating of the speaker connected to it..
Crown xls 2505

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Electric Wisdom
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Re: Simplexx 212 build w/ Pics

#157 Post by Electric Wisdom »

Bill Fitzmaurice wrote: Sun Apr 08, 2018 12:53 pm
Electric Wisdom wrote: Sun Apr 08, 2018 12:19 pm This one is a good choice if i choose to add a l-pad?
https://qcomponents.ca/McBride-LP-50S.html
That's fine, easily able to handle the power to the tweeters.
Ok thank you, maybe a better model out there? I still want nice clear high freq, just not as loud as this :S

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Electric Wisdom
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Re: Simplexx 212 build w/ Pics

#158 Post by Electric Wisdom »

In the build doc it says use gasket tape to screw the tweeters, is this really needed? I would add it but they comes on straight stripes of tape and the holes are circles so i have to make a circle out of it or something? Picture somewhere maybe?
https://www.amazon.ca/Pres-P8225RL00-50 ... asket+tape

Or i just use some like this?
https://www.simplyspeakers.com/speaker- ... epair.html

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Electric Wisdom
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Re: Simplexx 212 build w/ Pics

#159 Post by Electric Wisdom »

Grant Bunter wrote: Thu Apr 05, 2018 4:01 am If you use the 1/4 and speakon plate, make sure the 1/4" jacks are sealed, or use some blanks or non cabled jacks.
Don't want to introduce any leaks...
Is this fancy enough? :D

https://www.ebay.ca/itm/1-4-Flush-Mount ... -5&vxp=mtr

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Re: Simplexx 212 build w/ Pics

#160 Post by Grant Bunter »

Electric Wisdom wrote:
Grant Bunter wrote: Thu Apr 05, 2018 4:01 am If you use the 1/4 and speakon plate, make sure the 1/4" jacks are sealed, or use some blanks or non cabled jacks.
Don't want to introduce any leaks...
Is this fancy enough? :D

https://www.ebay.ca/itm/1-4-Flush-Mount ... -5&vxp=mtr
Just stick in a couple of 90 degree jacks plugs that aren't wired up at all.
Or:
https://www.worldwidemusic.co.uk/neutri ... 1467-p.asp
Electric Wisdom wrote: I don't see any choice to select the ohm rating of the speaker connected to it..
You don't have to select an ohm rating. The amp will "know" the load attached to it.

Speaker cabs have a nominal impedance, in your case, 4 ohms. But impedance varies with frequency, so it is nearly impossible to set an amp for that...
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Bunter's Audio and Lighting "like"s would be most appreciated...

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Electric Wisdom
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Re: Simplexx 212 build w/ Pics

#161 Post by Electric Wisdom »

Grant Bunter wrote: Sun Apr 08, 2018 3:41 pm
Electric Wisdom wrote:
Grant Bunter wrote: Thu Apr 05, 2018 4:01 am If you use the 1/4 and speakon plate, make sure the 1/4" jacks are sealed, or use some blanks or non cabled jacks.
Don't want to introduce any leaks...
Is this fancy enough? :D

https://www.ebay.ca/itm/1-4-Flush-Mount ... -5&vxp=mtr
Just stick in a couple of 90 degree jacks plugs that aren't wired up at all.
Or:
https://www.worldwidemusic.co.uk/neutri ... 1467-p.asp
Electric Wisdom wrote: I don't see any choice to select the ohm rating of the speaker connected to it..
You don't have to select an ohm rating. The amp will "know" the load attached to it.

Speaker cabs have a nominal impedance, in your case, 4 ohms. But impedance varies with frequency, so it is nearly impossible to set an amp for that...
Yea ok makes sense :)
Theses neutrik plugs looks so nice! thanks !!

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Electric Wisdom
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Re: Simplexx 212 build w/ Pics

#162 Post by Electric Wisdom »

Removing the screw, i can see it damages a little the membrane, i'm using #8 screws, i guess it's fine but is it possible to do it without any damage?
30126331_10151127998659984_305974674_o.png

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Electric Wisdom
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Re: Simplexx 212 build w/ Pics

#163 Post by Electric Wisdom »

30223855_10151127989344984_2061591099_o.jpg

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Tom Smit
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Re: Simplexx 212 build w/ Pics

#164 Post by Tom Smit »

Electric Wisdom wrote: Sun Apr 08, 2018 4:15 pm Removing the screw, i can see it damages a little the membrane, i'm using #8 screws, i guess it's fine but is it possible to do it without any damage?

30126331_10151127998659984_305974674_o.png
If I understand you correctly, you are commenting on the membrane at/in the screw hole? If yes, then, that is nothing to worry about since it is "left-overs" from past the gasket.
TomS

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Electric Wisdom
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Re: Simplexx 212 build w/ Pics

#165 Post by Electric Wisdom »

Tom Smit wrote: Sun Apr 08, 2018 10:33 pm
Electric Wisdom wrote: Sun Apr 08, 2018 4:15 pm Removing the screw, i can see it damages a little the membrane, i'm using #8 screws, i guess it's fine but is it possible to do it without any damage?

30126331_10151127998659984_305974674_o.png
If I understand you correctly, you are commenting on the membrane at/in the screw hole? If yes, then, that is nothing to worry about since it is "left-overs" from past the gasket.
yes i refer to the membrane in the screw hole, thanks for confirming :)

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