tylerp
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Posts posted by tylerp
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well if you arent detecting a signal it cant detect distortion can it?
Thee DD-1 says other wise as the distortion light was on and no signal light.
all speakers/subs disconnected right
correct, both unhooked.
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Time to add the DD-1 to the list!
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So I got my DD-1 and was and still am excited about it, hooked it to the Pioneer AVH4200DVD head unit and found no clipping at full volume(40) which is always a plus. On to the PBRs, tested the PBR300X4 first and no signal was ever detected but right about where I had previously set it by ear the distortion light came on so I was still able to set it with <1% distortion. Moving on to the PBR300X1, nothing nothing nothing no signal light, no distortion light and even with PEQ cranked up still nothing. I also tried all 1khz tones on the 4ch and all 40hz tones on the mono, still no difference.
HELP!!!
DD-1 trouble with the Punch Boosted Rails
in SMD Distortion Detector (DD-1) Topics
Posted
If the amps put out >1% then the distortion light would have stayed on but it only came on about where my ears had it set so I knew that was okay plus I have two of the PBRx4s and birth sheets say .076% and .197% THD+N @ rated power and they put out right under 350w RMS and about 1025w MAX which is great considering they are only capable of 4ohm output.
After trying a couple more grounds all is well and my four power 6.5s sound better than on a full size 300w Alpine MRP-F300. I first thought since the amp uses all molex connections that I would need to use both + and - output to complete the circuit but this is not the case.
Thanks guys for the suggestions but I do have a couple questions regarding the recommended crossover settings in the DD-1 manual. The PBR300X4 has preset 12dB crossovers at 80Hz and my headunit has an internal HPF which I am able to set to the manual's recommended setting of 125Hz for my speakers. Questions are would the two crossovers interfere with one another and should I leave the headunit set at 125Hz, 80Hz or leave it off so the amp will do all filtering?