First, the function of the electronic organ.

1. The standard keys should be accurate, and the number of keys should be at least 6 1, which is strong and used to express different timbres.

2. At least 50 timbres and at least 20 basic rhythms. The minimum polyphonic number of a piano should not be less than 16 (preferably greater than 24), otherwise it will lose its sound when playing some works.

3. To be equipped with stereo output, the interface of the sustain pedal should be externally connected.

4. There should be some special functions: keyboard segmentation and overlapping timbre.

5. There are some optional functions. For example, Casio's timbre synthesizer, rhythm mixer and multi-track recording. The floppy drive function of Yamaha series.

Second, the quality of electronic organ

Play test: listen to the sound through the play test, check the timbre, sound quality and intonation to see if the timbre is pure, the sound quality is stable and the noise is too high. Then touch the keys with your hands to check whether the elasticity is uniform and reliable and whether the sound response is sensitive.

2. Function check: After reading the instructions carefully, check whether each function is reliable and sensitive, whether it is out of order, check the sound and listen to the beat accurately.

3. timbre performance: you can ask experienced people to listen to timbre performance indicators. Generally speaking, the electronic organ is beautiful and rich in timbre, and can imitate the sounds of various musical instruments and various sounds in nature.

4. Appearance inspection: check whether the components including the piano box, keyboard, power supply and control buttons are closely arranged and neat. Whether there are scratches or cracks on the appearance. Check whether the trademark, factory number, quality certificate and instruction manual are complete and consistent.

Third, work.

1, really full of color and well-made, as shown in the figure.

2. The fake is rough in workmanship and dull in color.

Extended data:

Yamaha is different in model, function and price.

1, model difference:

Yamaha series electronic organ is divided into PSR world type, KB China customized type and DGX world type.

2. Different functions:

PSR- world model, entertainment piano, power and entertainment.

KB- China custom series, teaching piano, simple operation, practical function.

DGX world model, with multiple keyboards with 76 keys. Compared with the first two series of 6 1 keys, there is a set of semi-keyboard, and the zd function is basically similar to that of PSR mid-priced products.

3. Different prices:

PSR- World models: PSR-F5 1 699 Yuan, PSR-E253 850 yuan, PSR-E363 995 Yuan, PSR-E453 2700 Yuan.

PSR-S series: PSR-S670 6030 Yuan, PSR-S770 6030 9900 Yuan, PSR-S970 13500 Yuan.

KB- China customized series: KB90 1049 yuan, KB 19 2075 yuan, kb19122/0 yuan, KB290 2420 yuan, kb29129.

Official website Yamaha series