Amp powers up, but no sound

[x2o 10+ year member]

Okay measured everything:voltage at the amp: 26.xx (component amp reading the same, and it's working as we speak)

Resistance at speaker terminal: various, but getting a reading.

So...I don't think it is the amp. What do you guys think?

Wait..what? The sub amp voltage shows the same as the component? Now, it may just be coincidence, but I doubt it. Something is likely wrong there. My component amp was set to 20V by DMM and my sub amp was set to 60V by DMM when I set my gains the first time.

Chances of them both having to be the same is unlikely.

 

[dman4486 5,000+ posts]

if you have voltage out of the amp, then the speakers should be moving.

pic of setup and amp settings?

 

[NeedDirections 10+ year member]

I am going to redo the wiring on my subs. Sorry to have to ask this, but I have (2) D4 subs, and I am wiring them in parallel individually, and then together to the amp, correct?

 

[dman4486 5,000+ posts]

Wait..what? The sub amp voltage shows the same as the component? Now, it may just be coincidence, but I doubt it. Something is likely wrong there. My component amp was set to 20V by DMM and my sub amp was set to 60V by DMM when I set my gains the first time.
Chances of them both having to be the same is unlikely.

assume 20vac

if the sub amp is set up w/ 1ohm load, that is 400w

and the comp at 4ohm is 100w

nothing wrong there...just a different wattage.

quick math....might have wrong numbers, but you get the point

 

[dman4486 5,000+ posts]

I am going to redo the wiring on my subs. Sorry to have to ask this, but I have (2) D4 subs, and I am wiring them in parallel individually, and then together to the amp, correct?

that is a 1ohm load

 

[x2o 10+ year member]

assume 20vacif the sub amp is set up w/ 1ohm load, that is 400w

and the comp at 4ohm is 100w

nothing wrong there...just a different wattage.

quick math....might have wrong numbers, but you get the point

YEah I know that, was just saying though that's a coincidence for them to be exactly the same.

 

[NeedDirections 10+ year member]

 

[dman4486 5,000+ posts]

and they don't move at all? or they don't make sound?

 

[NeedDirections 10+ year member]

Nothing...they don't appear to be getting a signal. The only thing I can think of is my rca's? How would I know if they are out of phase? The subs are all wired correctly...

 

[Silverbane 10+ year member]

Check the RCA's with DMM? Did you measure output on DMM?

 

[NeedDirections 10+ year member]

Yep, no reading from RCA's. Measured output and getting a signal at the speaker terminal. I think it may be the HU.