monoxide
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Posts posted by monoxide
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at 40 hz.
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hooked up to the rcas and no distortion until like volume 32 or some thing like that.
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last time we did my mids amp. (me and jville140db) did it through the amp i dont think we did it from the headunit. but nothing is on like loud or bass boost and eq is flat and the sub amp (mmats d300hc i believe the model is) shows distortion at all volumes.
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Did you follow the directions in the manual? There's a reason they are there
yes i did
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i tried to see where the headunit clips through both amps didnt try to do it through just the rca
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i assume its not because the mids amp wont show distortion till like volume 32
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ok just got my dd1 in the mail and as you know with any new toy you have to play with it. i went to set my sub gains and my sub amp shows distortion before i even see a signal. i have the gain all the way down frequency all the way up cross over on my deck set normal 80hz low pass 90 high pass for mids, i can tune the mids amp fine but not the sub. eq is set to flat also. any ideas why it is doing this?
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lol ok. i didnt know if it would affect it any thing if it wasnt grounded to the amp it self.
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ok i just picked up a dd1 and had one question about grounding i know you should ground to the amp it self but on my matts amp with the wire in it i cant clamp on due to it being a round terminal with a wire that takes up the whole terminal. so my question is can i ground to my highs amp or my distribution block?
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great review man. thanks for coming all the way from jville to tune my amp for me.
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so i am thinking of getting some ssa gcon 12s for my truck i dont really want a prefab box even tho one i heard today sounded good with 1 15 in it. but the box i drew up in my head before i really measured any thing in my truck(04 f150 xlt super cab). the box will be built out of 3/4" mdf and prolly doubled up on top or fiber glassed so the subs sit flush. if my math is right it should have 6.46376 cubic feet before sub displacement and 6.16376 cubic feet after sub displacement. it should be tuned to 32hz if ever thing is right.
here are all the measurements i have of it.
Box Dimensions for SSA Gcon 12" x236" width x 19" height x 20" depth .75" mdf = 6.46376 cubic feet before sub displacement
6.16376 feet after sub displacement
slot port =
Port width 20" x port height 2" x port length 11" = 32hz at 6.46376 cubic feet.
and a rendering in sketch up. its really rough but gives the idea.
also should i go with the slot port like i have drawn up or should i do a round port? let me know what you guys think.
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idk whats up with my dmm but now it isnt reading any thing wither it be the ohms or power from a brand new 9v battery. i think this sub is the 4 ohm version tho
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i tried to make a new video. its kind of shitty but all i have is my iphone to take videos with.
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i had it set to the lowest ohm setting on my dmm
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thats the bad thing only thing it says on the magnet is thunder 4000 no model number or any thing
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single voice coil and it is a mtx thunder 4000. i know nothing special but it was free
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i had the probes in the little holes on the blades.
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any body know what i am doing wrong
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they are a blade type terminal
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ok i got a fresh battery and hooked it up and this is what the dmm read. any help i dont understand this.
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well the batterys may last years with out use but they dont last long when the thing is left on in the pocket on the back of the seat. lol. i think my step dad has one at his house.
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it has been in my truck since i got it so prolly like 3 years honestly. lol. not is only i can escape for 3 mins from my girls daughter so i can smoke and check this
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Use a DMM and check the coils.
would i hook it up to a amp and hook it to a dmm or just a speaker wire going to a radio? the only amp i have access to right now is a 2000rms and this sub is only 200 rms
i wish it was more but i cant complain it is free.No, put the meter on OHMs and hook the positive and negative probes straight to the terminals of the sub and it will tell you the ohm of the coils
ok got ya. when i go out for a cig ill check it i think i have my dmm in my truck. lets just hope the battery isnt dead it has had the same battery for like 2 years but i never use it
i wish it was more but i cant complain it is free.
distortion
in SMD Distortion Detector (DD-1) Topics
Posted
no line driver and only processor i would have is the headunit kenwood kdc-x993
on all of them