Kevin's Hafler p-500

[mlucitt]

'Cause it's a Carver and not a WOPL!!

 

[laatsch55]

Couldn't resist, .....

 

[Gepetto]

Kevin can drive whatever he pleases with the Hafler P-500. The key is the layout of the speaker, not the amplifier. If the speaker has one voice coil, it may be 4 or 8 Ohms. If it has two or dual voice coils (DVC) (they are usually the same) each one could be 2, 4, or 8 Ohms. If this is the case, the dual voice coils can be wired in series giving 4 (for 2 ohm coils), 8 (for 4 ohm coils), or 16 (for 8 ohm coils) Ohms (for a little better quality sound in series) or the dual voice coils can be wired in parallel giving 1 (for 2 ohm coils), 2 (for 4 ohm coils), or 4 (for 8 ohm coils) Ohms. Any stereo amp is unstable at 1 Ohm, this would only be useful for car audio applications. The Hafler will drive 2 ohms, but you will have to bump the speaker output fuses to 10 or 15 Amps because you may get peaks of 40 Amps. I would recommend keeping the output to 4 Ohms or more in bridged mode because at 2 Ohms you will be pushing 1600 Watts and there are not many speakers that can handle that much power. I'm just sayin'

If Kevin wires the 2 voice coils in series, he will have to phase them correctly else they will cancel each other.

 

[mlucitt]

Good point Joe, I took that one for granted. That could be a good way to rip apart a speaker...

 

[kevin]

Thanks.... I'll Pull the speaker and let yall know what I got !

 

[kevin]

Ok.... I'm back ! Last night I hooked up the Hafler to my sub.... Something aint right... First I tried hooking it up stereo... Amp seems to be fine.. Just had no output ! When I turned the gain all the way up I got a little hum and the sub worked but it was like I had a 5 watt amp on it... Then... I bridged it... Same thing.. Just like I had no power... I didnt go into the preamp settings because with the plate amp I have to keep the gain turned way down.... I going to mess with it more this eve.... Mark... Maybe I dont know how to hook it up bridged.. lol.... Lee.. I took pics of everything I did last night.. When I got here at work this morn I couldnt get them off my phone... We tried for about an hour... Still working on that...

 

[kevin]

This is a test... Only a test... Did the pics show up ?????

 

[speakerman1]

YESSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS

 

[kevin]

Well hell Larrt !!! Dont make fun of me... Thats lee's job... Only took me a yea to figure out how to do this...

 

[kevin]

I might just try it again...

 

[kevin]

Look out.... I think i got it !!!

 

[speakerman1]

LOL

 

[laatsch55]

Well, they say a picture is worth a thousand words but ya ain't gettin out that easy.

 

[laatsch55]

Ok.... I'm back ! Last night I hooked up the Hafler to my sub.... Something aint right... First I tried hooking it up stereo... Amp seems to be fine.. Just had no output ! When I turned the gain all the way up I got a little hum and the sub worked but it was like I had a 5 watt amp on it... Then... I bridged it... Same thing.. Just like I had no power... I didnt go into the preamp settings because with the plate amp I have to keep the gain turned way down.... I going to mess with it more this eve.... Mark... Maybe I dont know how to hook it up bridged.. lol.... Lee.. I took pics of everything I did last night.. When I got here at work this morn I couldnt get them off my phone... We tried for about an hour... Still working on that...

As far as I know your sub is still in the "multi-component" stage and we still don't know if ya got em hooked up right??

 

[kevin]

Im pretty sure I did hook it up right... Hell... I had that amp hooked up for years... and yep.. I did put it all back together before I tried it.. LOL... I really dont know what else to try.... I got a old infinity sub that I will hook it up to next... I just don't understand....... I know the amp is good... and my sub works real well with the plate amp...

 

[laatsch55]

Did you try hooking the amp up to other sperakers?? Obviously we are missing something simple....

 

[ksrigg]

So Kevin, did you get your sub to work yet? What's up with that? You didn't short the speaker or amp out during hook-up, did ya? Check the fuses? Tried the amp on a set of different speakers, like the ones you use for center? Tried the plate amp to see if that works....or put a meter on the speaker coils to make sure they aren't fried?

 

[kevin]

SSHHHHuuuuuuu ! Dont be coming on here after a week of M.I.A. and accuse me of frying s';[t. I got it all under control... You better be worried about where that remote is gonna end up !!! HA !

 

[ksrigg]

Now you have me worried. What have you done? Do you want me to look at the amp or the driver for you?

 

[kevin]

Well....If ya want to go down to the house and take it back apart ya can..... Last night it was shaking the pictures on the walls.... Kicking ass as always...