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dvd deck in rv clipping old speakers?


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pleal 
Member - Posts: 3
Member spacespace
Joined: September 15, 2008
Location: Michigan, United States
Posted: September 15, 2008 at 10:09 AM / IP Logged  

I recently installed a Pyle PLD52MU DVD unit into my 2005 travel trailer. Installation went pretty well - however, I ran into a couple of issues and am hoping someone can help.  I am currently using the unit with the factory speakers and wiring, no mods to anything as of yet (future upgrades include speakers, speaker wiring, and possibly a sub). 

When I pulled the existing radio out, I noticed the 2 sets of speakers (4 speakers, A+B) were wired in parallel.  I couldn't pull new wiring at the time, so left the speakers in parallel and wired set A to the front wires of the player, and set B to the rear.  Since there was only one pair of leads for each pair of speakers,  I wired the positive lead from the speakers to the positive leads of the front right AND left speaker connections of the  player.  I then did the same with set B to the rears. 

The unit sounds as good as can be expected with the low quality existing wiring and speakers - about the same quality as the old radio.   My problem is that when I turn the unit up past about 4 or 5 (on a scale of 1-20 I believe) the sound cuts out intermittently from all 4 speakers. It doesnt reach any level of distorion, just drops out.  It does the same thing with all sources, although sometimes I can get around it by using MONO with everything but the DVD (was using a 5.1, PCM source DVD).

Is this because I have the speakers wired in parallel?  Because I have them wired to BOTH the right and left?  Or just because of the poor quality wiring and speakers (maybe 15W speakers at best)? 

Also, is it OK to wire the 'Memory Backup' lead to the same positve connection as the Main power supply?  Thats the way I have it now since the old radio only had one hot lead.

Long time reader - first time poster!  Thanks in advance!

Thanks,
Paul
04nata 
Copper - Posts: 358
Copper spacespace
Joined: April 22, 2008
Posted: September 15, 2008 at 10:20 AM / IP Logged  
Looks almost like the deck I have in my car (PLD51MUBT) I think that is an 80x4 output on the deck (probably 30x4 rms or less) but you have 15w speakers. I was running 20 watt speakers on mine for a while, got distortion but no cut outs. That may be it, but again, I am far from a professional.
snotdobbs 
Copper - Posts: 148
Copper spacespace
Joined: September 11, 2003
Location: United States
Posted: September 15, 2008 at 12:32 PM / IP Logged  

throw a meter across the speaker leads and check the impedance...sounds like your putting too much of a load on the head units power supply

megaman 
Copper - Posts: 385
Copper spacespace
Joined: June 24, 2008
Location: Montana, United States
Posted: September 15, 2008 at 1:09 PM / IP Logged  

sounds like you're bridging the outputs of the Pyle unit which you cannot do.  You will be only using two speaker outputs from the Pyle HU.  Pick front OR rear and then connect left and right speakers.  You will have two sets of speaker outputs from the Pyle HU that will not be in use.

pleal 
Member - Posts: 3
Member spacespace
Joined: September 15, 2008
Location: Michigan, United States
Posted: September 15, 2008 at 2:02 PM / IP Logged  
Thanks megaman!  I will rewire before using the unit again (back in storage for now).  Also - I was quite surprised at the gauge of the speaker wire of the PYLE unit.  It is not much thicker than the factory stuff in my RV.  I will rewire it anyway so I can wire the speakers directly and get the advantage of the proper imaging, but thought it would have been thicker due to the output ratings.
Thanks,
Paul
chillin420 
Copper - Posts: 236
Copper spacespace
Joined: March 27, 2008
Location: California, United States
Posted: September 16, 2008 at 6:35 PM / IP Logged  
lol that thing will most likely never put out 80 x 4 if it does i will be very impresed.  so the wiring should be fine ...
you can do it....
advanced MECP, lol does it really matter....
patience is a virtue
megaman 
Copper - Posts: 385
Copper spacespace
Joined: June 24, 2008
Location: Montana, United States
Posted: September 16, 2008 at 9:02 PM / IP Logged  

I'm not trying to disrespect you in anyway but "imaging" and "Pyle" are definitely two words that should never NEVER be used in the same context. lol.  Your factory wiring will be more than suitable for your system.  Add an amp and you would still be ok. dvd deck in rv clipping old speakers? - Last Post -- posted image.

pleal 
Member - Posts: 3
Member spacespace
Joined: September 15, 2008
Location: Michigan, United States
Posted: September 17, 2008 at 7:29 AM / IP Logged  

Ha - no offense taken.  Im new to the car audio world (long time audiophile of home gear..) and frankly, I went cheap because, again, this is a camper install.  I guess 'imaging' was the wrong choice of words - what I should've said was 'channel separation'.

thanks for the info!

Thanks,
Paul
04nata 
Copper - Posts: 358
Copper spacespace
Joined: April 22, 2008
Posted: September 17, 2008 at 9:12 AM / IP Logged  
Well, I have to say that I love my "Pyle Imaging" unit so far, it works great, looks great and sounds great, and you cannot beat the price. Yes I would love a $1200 Pioneer or Alpine, but this Pyle that I have I am totally satisfied with.

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