Digital Sound Systems

Can I use an amp head into mixer without a cabinet?

I am looking to buy an amp for bass guitar, but don't want to spend too much.

http://www.guitarcenter.com/Gallien-Krue ger-MB200-200W-Ultra-Light-Bass-Amp-Head -423658-i1518259.gc#customer-reviews

Something like that. Would


If you only plan to plug into the church PA....and never use it with a cab.....all you need is a "direct box." The 200 watts in this head are going to waste. If your plan is to use this head for now, and buy a cab when you can afford one, then

Recording guitars with a DIY Isolation Cabinet (+ how to build one)

A tutorial about recording guitars at home the slightly quieter way, with a DIY isolation cabinet, or iso box. I built it in 2007, after being ...

One year later, rebuilding Valley's flooded homes continues

In some of the neighborhoods hit hard by last year's flood, the silence is palpable, broken only by the occasional sound of a banging hammer or an electric saw.

One year after a series of rains pushed the Susquehanna River over the levee in East Sayre and in Athens Borough, common sights include boarded-up windows, ladders, "no trespassing" and "for sale" signs and building permits.

Properties are at various stages of the rebuilding process. Some homes look brand new, while others have yet to be touched, for a variety of reasons. Other homes are anywhere in between.

Lucinda Brown, co-chair of the Valley Relief Council, knows firsthand that as far as homes go, there is still much more work to be done. Since last fall, Brown and other VRC volunteers have brought disaster response groups and volunteer teams skilled in repairing disaster-affected homes together with the flood survivors who need their services.

A year later, those teams are still coming in, Brown said. One crew will arrive Sunday, and the first three weeks of October are booked at the rectory of the Ascension of Our Lord Ukrainian Catholic Church in East Sayre, which has served as the VRC's headquarters and a makeshift home for these groups since late November.

Church Sound: Worship Basics: A Simple Way To Test Speaker ...

Few things can affect the quality of a sound as speakers being out of polarity.

You can lose bass response, cancel your vocals and cause general phase mayhem in your sound system.

There are may ways to determine polarity, however here’s a cheap and easy solution to test for proper wiring inside your speaker cabinets before you install them up on the wall and without running any audio signal through them.

See Figure 1 for Thumper, my trusted polarity signal injector.

Once you build Thumper, you just hook a speaker cable from its phone jack to whatever cabinet you want to test.

A brief push on the momentary push button will inject a 9-volt positive signal into your speaker cones.

You should then see all the woofers pop out just a bit. If one speaker pops in while the others pop out, you have big wiring problems inside the cabinet.

If all of the speakers pop in, then the input jack on the speaker cabinet or the cable itself may be wired in reverse. You already know how to solder from a previous column, so get fixing.

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