View Full Version : Scoping Help - Mod Nats?


Buju Banton
21-05-2008, 09:13 PM
Can anyone help me scope my 2 new Kenny PS811D's at Mod Nats please?, preferably Saturday about mid day :)

Only have a crappy multimeter and need them properly scoped before I burp.

Both amps feed two Oz 15's in a common ported box so need to be scoped pretty close if possible.

I have a tones CD but no scope :(

Buy you a burger or pint for your trouble :)

Ta

Buju!

wilfy
21-05-2008, 09:20 PM
Can anyone help me scope my 2 new Kenny PS811D's at Mod Nats please?, preferably Saturday about mid day :)

Only have a crappy multimeter and need them properly scoped before I burp.

Both amps feed two Oz 15's in a common ported box so need to be scoped pretty close if possible.

I have a tones CD but no scope :(

Buy you a burger or pint for your trouble :)

Ta

Buju!


whats a scope???? :clown:

i just disconnected subs, turned hu up to just before clip, then turned gains up to the same on both amps......

i also strapped them 2day & they did exactly the same score but were unstable..... but at least i know my gain setting up worked....

i dont think a scope is need to be honest mate, just a good multimeter.... and of course an amp that doesn't mind having no load on full power

Buju Banton
21-05-2008, 09:36 PM
I could scope them off the amp readings on the HU tbh mate, that one extra click on the volume would produce a big rise in current draw that i could see on the HU, (goes from 55A to 88A :raz:)

I have both gains set the same on the dials but that could still be way off so I want to see the sinewave to see exactly where the clipping point is, could be a few notches lower than I think couldnt it.

Plus I can scope my HU at the same time to see how far off the 5V claim it is.

Would rather do it loaded too as its a real world moving load rather than an open circuit.
Subs can take it, I gave the one worse when I was running it IB!

wilfy
21-05-2008, 09:48 PM
I could scope them off the amp readings on the HU tbh mate, that one extra click on the volume would produce a big rise in current draw that i could see on the HU, (goes from 55A to 88A :raz:)

I have both gains set the same on the dials but that could still be way off so I want to see the sinewave to see exactly where the clipping point is, could be a few notches lower than I think couldnt it.

Plus I can scope my HU at the same time to see how far off the 5V claim it is.

Would rather do it loaded too as its a real world moving load rather than an open circuit.
Subs can take it, I gave the one worse when I was running it IB!

ok yeah scope the gains whilst subs are on i can understand that, but surely without subs connected is easier with a multimeter.... turn gain up till multi says for example 30.5volts & then get second as close as you can to that...


see what the pros say on saturday... i imagine we'll both pick a few things up this weekend

dumdum
21-05-2008, 09:53 PM
i will try to remember me scope :D and i'll sort it for ya for a change :) ;)

wilfy
21-05-2008, 09:54 PM
i will try to remember me scope :D and i'll sort it for ya for a change :) ;)

if you weren't so good people wouldn't keep asing you to help them.... lol

Buju Banton
21-05-2008, 09:55 PM
Thats brilliant, thanks Adam :)

infinitycorsa
22-05-2008, 10:02 AM
JIM why dont you pop over and see me :D

im not that far away with these light nights!

infact im in brum friday dropping Jill off around 8 ish if you fancy meeting up for a beer

Chris@Axis
22-05-2008, 12:28 PM
I've got my scope etc. in the car too, ready to bring at the weekend, plus termlab, signal generator, phase tester etc...