slayer63636 Posted December 31, 2005 Report Share Posted December 31, 2005 i have a marshall valvestate 8200 BI-Chorus stereo head. ive had it for over 6 months now and just yesterday i was playing with my sound. i even hooked up speaker cables from my cab in a diffent way and the sound changed. dose anyone know why? it has 4 speaker outputs. normaly i run my cab in stereo and ive never messed with it untill now. the left seems to push out more volume than the right. is there something wrong here? Quote Link to comment Share on other sites More sharing options...
Setch Posted December 31, 2005 Report Share Posted December 31, 2005 Do they have a little 'omega' sign and a number by them? If so, they are likely different impedance outputs, so you can match them to your cab. 4, 8 and 16 ohms are fairly common. It's possible that you have one channel of the stere output matched to the cab you're using, and one mismatched. All things being equal, you'll get better volume with matched impedances. Quote Link to comment Share on other sites More sharing options...
slayer63636 Posted December 31, 2005 Author Report Share Posted December 31, 2005 there is no "omega" sing by them or numbers. all it says is loudspeaker outputs and there are 2 for the left and 2 for the right. then it says 100 watts 4 ohm per channel and 80 watts 8 ohm per chanllel. Quote Link to comment Share on other sites More sharing options...
GodBlessTexas Posted December 31, 2005 Report Share Posted December 31, 2005 there is no "omega" sing by them or numbers. all it says is loudspeaker outputs and there are 2 for the left and 2 for the right. then it says 100 watts 4 ohm per channel and 80 watts 8 ohm per chanllel. ← Omega symbol = Ohms, so 8 Ohms = 8 Omega Symbol. What is your cab rated at? That should determine what output on the amp you're using. GBT Quote Link to comment Share on other sites More sharing options...
slayer63636 Posted January 1, 2006 Author Report Share Posted January 1, 2006 the cab is rated at 8 ohms Quote Link to comment Share on other sites More sharing options...
ROBERTLATHAM1 Posted January 3, 2006 Report Share Posted January 3, 2006 i have the 8100 valvestate and impeadence is everything with these amps if you dont match your mains rateing it will sound like a tiny tinker toy. you can type in "marshall valvestate 8100 scheamatic" and hit enter on msn and the first site that is listed will have your amp asnd many more scheamtics. i dont really know but i think the guys are stearing you in the right direction. Quote Link to comment Share on other sites More sharing options...
slayer63636 Posted January 3, 2006 Author Report Share Posted January 3, 2006 i have the scheamatic for my amp. well everthing is set up for 8 ohms, well the head can also run 4 ohm load. all 4 speakers are 8 ohms. would the way they are wired have anything to do with it? if so they are wired for a 16 ohm load. if i were to wire them diffrently it would be a 4 ohm load and i prefer 8. Quote Link to comment Share on other sites More sharing options...
thegarehanman Posted January 3, 2006 Report Share Posted January 3, 2006 Didn't you just say that your cab was rated at 8 ohms? where did 16 come from? Quote Link to comment Share on other sites More sharing options...
slayer63636 Posted January 3, 2006 Author Report Share Posted January 3, 2006 sorry for the mix up. what i ment to say is that all the speakers are rated at 8 ohms. the wiring is set up at 16 ohms. i found a diamgram on the celestion site for 2x12 in series. that way it would give me a 16 ohm load and since my head will only put out a 8 ohm load witch is ok, from what ive head. if i did it in parallel it would give me a 4 ohm load. Quote Link to comment Share on other sites More sharing options...
lovekraft Posted January 4, 2006 Report Share Posted January 4, 2006 Is it a stereo cabinet? There's no way to wire four 8 ohm speakers to either 16 ohms or 4 ohms, so if your cab is an 16 ohm mono cabinet, they're probaby 16 ohm speakers. Quote Link to comment Share on other sites More sharing options...
slayer63636 Posted January 4, 2006 Author Report Share Posted January 4, 2006 not all speakers are connected to each other. the cab has 2 outputs jacks. each output is connected to 2 speakers.then one set goes to the left channel and other to the right. so basicly its 2 2x12 cabs in a 4x12 box. Quote Link to comment Share on other sites More sharing options...
ROBERTLATHAM1 Posted January 4, 2006 Report Share Posted January 4, 2006 i had mine at 16ohms and it sounded like crap ! thats why i say impedence is everything on these amps. i am running mine at 4ohms basicly the same way you are. a 4x12 wired for stereo. i use g12m-70 celestions and i get really good mid range sound the highs are a bit crisp and the lows are real punchy. another thing was speakers! they all have very different sound through different amps so you may want to look in that direction as well. p.s. also polarity on the speakers is very important. if the polarity is reversed one 1 speaker it will cause it to fight the other.(when 1 is pushing the other is pulling so they kinda cancel each other out and really screw up db levels) peace robert latham Quote Link to comment Share on other sites More sharing options...
slayer63636 Posted January 4, 2006 Author Report Share Posted January 4, 2006 i guess it is the speakers. the right side are 2 eminince Man O War that are 125 watts RMS. on the left side i have a single celestion G12-30 30 watts RMS (other one is blown) . i was gonna get a pair of vintage 30s untill my car needed a whole new brake set up (300 bucks down the crapper). ill check the wiring later tonight Quote Link to comment Share on other sites More sharing options...
ROBERTLATHAM1 Posted January 5, 2006 Report Share Posted January 5, 2006 bummer bout the brakes vintage 30's great speakers. i bet they really bring out the tone of the amp. Quote Link to comment Share on other sites More sharing options...
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