Peavey sp2xt speakers horn makes no sound when plugged into normal input. Horn works fine when plugged into the high side of the crossover.

There is possibly a bad solder connection or component on the crossover. I cant remember if that crossover uses a 12volt light bulb or not, for DC current protection, if it does make sure the bulb is good.

In Peavey cabinets, the lower woofer is always Yellow + and Blue - and the horn is always Red + and Black -. On the middle 15" the remaining two wires would be White + and Blue -

diaphrams, the high input is a direct connection the the horn.

The problem is bad high freq. IC TDA7293.
There is no pasive crossover.

Across the diaphram you should be reading about 8 ohms. it sounds to me like it's blown.However,if you think it'ds thre crossove, take it out and send it to Peavey. They do good , fastwork.............................................................

The two input jacks are parallel connected, to allow you to chain extra speakers together. There is no facility on this model to bypass the crossover and bi-amplify horn and driver separately. Nor should you need to. Just make sure you use a power amp rated for at least 400 watts per channel at 8 ohms.

i) I believe you can access the fuse by removing the Input Jack Panel.

ii) If fuse is OK, then unscrew the horn unit, take off one speaker wire & measure resistance. If it is open circuit then you can order a replacement horn diaphragm (if you feel confident to fit it to the horn).

The question is whether or not you get any sound from the horn when in full-range. If so, then either the input jack for the horn is defective, or you are not passing the signal. A quick check would be to send the full-range signal (at low volume) to the high-freq input. You should hear the horn work. If not then the connector is defective on the crossover board.

If you get no sound from the horn in any configuration, then the coil is blown for the horn. This can be replaced. It is usually a 22a or 22ti diaphram

Let us know what you find.

Dan

The "in" and "out" jacks on the speaker are connected in parallel, so the fact that the other speaker works really doesn't tell us much. If you are not getting any sound at all from either the woofer or the horn, than the internal crossover is probably the defective part. The easiest way to hunt this down is to remove the rear plate that has the connectors on it and try each speaker directly,. Assuming that each speaker works, replace the crossover. Parts should be availabel from, Peavey directly. Call them and speak to the service parts department.

Dan

Horn and speaker combo cabinets have an electronic component called a "crossover". The horn and speaker both work off different electrical signal frequencies. If you can take off the back, or get inside by pulling the speaker, check for a small circuit board mounted inside the box or on the speaker or horn. Check for a broken wire or loose connection of the crimp connectors.

A common problem with speakers, often the cone, or paper part of the speaker will come un-glued or separated from the magnet "voice coil". This happens when played too loud, when it's commected to the wrong impedance, or if the signal was shorted and "overdriven" (usually sounds like an awful buzz that's really loud).

Always make sure your output impedance matches the impedance of the speaker. Most auto stereos are 4 Ohms. Older home stereos are typically 8 Ohms. Musical PA gear varies between 4, 8, and 16 Ohms. Peavey gear is typicall 4 Ohms, but some older models are different. The Ohm rating is the amount of the resistance in the circuit. If your speaker is 4 Ohms and you plug it into an 8 Ohm circuit, you can destroy the speaker and sometimes the crossover circuit board.

Good Luck.

Jim
[email protected]
Phoenix, Az