Hello all
I just installed an amp for my front speakers and now the rears dont work?
Here is my setup:
HU - Alpine CDA-9813
Front speakers: Infinity Kappa 60.5cs
Rear speakers: Infinity Refrence 6 by 9
Sub: Infinity Kappa 12.1d

Amps:
Alpine MRV-T420 2/1 Channel Power Amplifier
Alpine MRD-M300 Mono 1 Channel Power Amplifier

The only think new to the system is the MRV-T420. I am using the Pre-amp outputs from the HU and from the very first tesk everything worked fine except for the rear speakers which at this point are the only speakers not using a pre amp outout from the HU.

Does anyone know what may be causing this problem?

Any help would be much appreciated.

Thanks
Gil

 

Stupid question but here goes, why didn't you just get a 4 channel amp and power both front and rear speakers? Also, how do you currently have the rear speakers wired up?

 

The rear speakers dont require more power and sounded fine with the HU power. They are currently wired using the stoch speaker wires.

 

The alpine headunits have a feature where you can turn off and on the internal amplifier inside the headunit. It's called power on/off. Yours is probably on the off mode, thus not sending power to your rear speakers. Hope this helps.

 

I am going to give that a shot. Thanks!!!!

Does anyone know about the 3WAY/@WAY switch feature?
Looking at the manual ther is a brief refrence to this feature, but there isnt much explination. Is this something I should use being as I have components in front?

Thanks
Gil

 

That was it THANKS!!!

 

This switch is to choose the way in which you want to internal crossover to work. In 2 way mode you can have a low pass x-over frequency for your sub, and a high pass x-over frequency for your front and rear mids and highs. If you have front and rear speaker you want to choose 2-Way mode. In 3 way mode the headunit divides the audio signal into 3 frequency bands , low, mid(this is like a band pass, as it has both a low and high cut off frequency: mid-low & mid-high), and high. This is helpful if you are only running front component speakers and do not have, or want to use the the supplied outboard x-overs that they came with. In some situations (like when the mid is in the lower part of the door, and the tweeter is on the A-pillar, much closer to the listener) you can get better time alignment because you can actually measure the distance between the listener, tweeter, mid, and woofer.

 

Feature doesn't work on my Alpine (7977) because it is connected to the Alpine 5755 Sound Processor. Unless of course someone knows a trick I don't know.

 

Thanks, I will leave it as is. What tv tuner are you using and how is the performance. Your setup is pretty sweet
Thanks
- Gil

 

Thanks .

I am using two Alpine TUE-T011A tv tuners. My Alpine monitors are a little older and were primarily intended to be used as navigation units (TME-M006SA), they plugged right to the navigation units. If you wanted to use them for video they required the use of the TUE-T011A tuners to be able to pass a video signal to them. Basically the tv tuners had the special plug that the monitors required, and each tuner only had one plug. The reason I bought this set up was that at the time they had a great deal on these systems, as they were introducing the new Alpine stuff. The system included one monitor, one vcr, and one tv tuner. I bought two setups and sold the second vcr on Ebay .

These things have been in my car for years and I have had no issues with either the tuners or the monitors. My kids hardly ever use the tv tuners, they prefer watching movies. I only use the tv tuner function if I am parked somewhere and want to watch some news or a game. The reception is ok, but not great. Sometimes I get pretty good reception, but that depends on what part of the city or county I am in. I would think that the newer Alpine tv tuners may have better performance than these, but from what I hear is that it is pretty tough to get good tv reception in a moving vehicle.