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Korg ToneWorks PX4A Pandora Acoustic Guitar Multi-Effects Processor

Since its introduction, the Pandora series has been acclaimed by guitarists and bassists for its high-quality sound, versatile functionality, and superb operability - all in an amazingly compact package. And now, the new PX4A joins the series. The PX4A is designed specifically for electric-acoustic guitar. It can transform a piezo output, which has a tendency to be sterile-sounding into many warm, deep, rich and natural acoustic guitar body tones. The PX4A is a great choice not only for practicing, but for any situation that demands a great sound, including recording and live performance. Learn More...

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Overall User Ratings

Overall:
* * * * * * * . . . 7 out of 10
Features:
* * * * * * * * * . 9 out of 10
Quality:
* * * * * * * . . . 7 out of 10
Value:
* * * * * * . . . . 6 out of 10
I Want It:
* * * * * * * * * * 10 out of 10
Sound:
* * * * * * * . . . 7 out of 10
Ease of Use:
* * * * * * * * . . 8 out of 10

Individual User Ratings

Overall:
* * * * * * * * * * 10 out of 10
Features:
* * * * * * * * * * 10 out of 10
Quality:
* * * * * * * . . . 7 out of 10
Value:
* * * * * * * * * * 10 out of 10
I Want It:
* * * * * * * * * * 10 out of 10
Sound:
* * * * * * * * * * 10 out of 10
Ease of Use:
* * * * * * * . . . 7 out of 10

Feature:
The reverbs are absolutely fantastic! I am extremely picky about reverb - I refuse to use most reverbs because they make my guitar tone muddy. This is not the case with the PX4A - The reverb sounds are lush without being muddy. There are several reverbs to choose from - I go with ROOM2 - they are all fully adjustable for mix and depth. There are several acoustic guitar modeling EQs to choose from. It is very nice that they gave us BASS, MIDDLE and TREBLE dedicated knob controls on the front of the interface. (I have not tried any of the chorus's or delays yet - so I cant comment there)

Quality:
My only problem with the quality of the unit is in the ON/OFF switch. It feels cheap and I am very careful to treat it with great care.

Value:
I am amazed at how great the sound of this tiny unit is! The reverbs in particular are exquisite! I would have no problem using the reverb for recording or as the main reverb in a high quality PA system. I think it is worth way more than its retail price - a RARE find these days!

Desirability:
It is so tiny! I have it velcro-ed to my guitar.

Sound:
I am using the PX4A with a Yamaha Silent Guitar (nylon) and I am totally thrilled to get such a high quality headphone amp at such a low price! Others who have reviewed this item made note of hiss. I will also note that SOME headphones cause the unit to hiss, but if you experiment with different headphones, you will find that IT DOES NOT HISS with some headphones. I find it works superbly with my Shure E3's, Fostex T-10's, and my favorite headphones to use are my Koss PRO35A's (because they sound great and allow me to hear what is going on in the room). The PX4A makes a loud annoying hiss with my stock Ipod earbuds and my Panasonic earbuds.

Ease of Use:
I found that the interface takes some manual study to figure out how to do things. I was comfortable with the interface after about 10 minutes of playing around and studying the manual. Once you are familiar with the interface, it is easy to adjust the various parameters. I really appreciate having the percussion options, but wish they had put in some conga loops instead of all trap set. You can adjust the level of the drums and cut the bass out if you prefer.

Support:
no experience

Overall:
As long as the ON/OFF button does not break, I expect to happily use it for many years. The only thing that would entice me to replace it is if Korg came out with a newer version that had conga percussion clips. (Plus the jazz percussion clips are pretty corny sounding - more of a shuffle than a jazz swing feel - so I would appreciate if they could upgrade the jazz percussion clips)

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Overall:
* * * * * . . . . . 5 out of 10
Features:
* * * * * * * . . . 7 out of 10
Quality:
* * * * * * . . . . 6 out of 10
Value:
* * * * . . . . . . 4 out of 10
Sound:
* * * * . . . . . . 4 out of 10
Ease of Use:
* * * * * * * * . . 8 out of 10

Feature:
features is the best part of it. So many that you may get lost the firts times you use it. But the lack of a small, simple, button style pedal to stop working while you are playing, is a serious handicap. If you are playing and want to stop effects but continue playing, you have to stop all and use your hand to bypass it.

Quality:
Hiss can bother you after half an hour of playing. Rest is OK, but this is A SERIOUS HANDICAP.

Value:
Too expensive for a TOY. And this is what it is. A lot of money for having fun at home.

Sound:
Hiss is the greatest problem with this unit. You can

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Overall:
* * * * . . . . . . 4 out of 10
Features:
* * * * * * * * * * 10 out of 10
Quality:
* * * * * * * * * . 9 out of 10
Value:
* * * * * . . . . . 5 out of 10
I Want It:
* * * * * * * * * * 10 out of 10
Sound:
* * * * * * * * . . 8 out of 10
Ease of Use:
* * * * * * * * * . 9 out of 10

Feature:
Has the first 12 string simulation that sounds half way convincing.

Quality:
Seemed to be decently put together.

Value:
Great featureset, but the hiss is a showstopper.

Desirability:
has a built in phrase looper!!!

Sound:
Unfortunately, it emits a great deal of hiss, even with no instrument connected!!! It is unusable for live performance or recording. I tested a second unit, and it emitted the same noise.

Ease of Use:
Straightforward and simple interface.

Support:
Don't know - didn't use it.

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