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Casio AP420 Celviano Digital Piano with Bench

3.9 out of 5 stars 39 customer reviews
| 10 answered questions

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  • New Linear Morphing AiF sound source with 16 tones
  • New 3-sensor hammer action
  • Keyboard with matted "Ivory Touch" surface
  • New 2 x 20 watt speaker system
  • USB terminal, SD memory card slot, Line
This item’s packaging will indicate what is inside and cannot be hidden.
Currently unavailable. We don't know when or if this item will be back in stock.

Product Description

The Celviano line of pianos has been refined for those who demand an authentic grand piano experience. The new AP-420’s traditional design houses new stereo grand piano sounds and enhanced “Ivory Touch” keyboard. Utilizing a new tri-sensor spring-less 88 note scaled hammer action, every nuance and detail of your performance is captured. A new 4 layer stereo grand piano sound delivers a natural, expressive and dynamic piano experience.

The AP-420 features a total of 16 built-in tones, with the ability to layer two sounds or split the keyboard to allow a bass sound in the left hand. Its built-in SD card slot allows you to load and save song files and the dual 20W speaker system delivers a sound that will resonate through your home. With 128 notes of polyphony, USB MIDI, Duet Mode, 1/4” audio outputs and more, Celviano’s advanced technology and sound will make the AP-420 the perfect addition to any home.

State-of-the-art high-end digital pianos: the newly developed sound source – Linear Morphing AiF – offers the entire spectrum of authentic grand piano tones from Pianissimo to Fortissimo without abrupt changes to the sound during the transitions. The touch and note replay behavior for the scaled hammer action keyboards has been improved. The new “Tri-Sensor” concept makes even the most complex and demanding playing techniques possible. Developing virtuosos. Virtuoso playing.


  • Keyboard: 88 keys, weighted scaled hammer action, Tri-Sensor keys, Ivory Touch
  • Touch Response: 3 Sensitivity levels / Off
  • Sound Source: 4 level stereo samples, Linear Morphing System
  • Acoustic Resonance: Yes
  • Polyphony (max): 128
  • Tones: 16
  • Reverb: 4 types
  • Chorus: 4 types
  • Brilliance: Yes
  • Layer/Split: Yes
  • Registration Memory: Yes
  • Duet Mode: Yes
  • Preset Songs: 60
  • Metronome: Beats: 0,2,3,4,5,6 Tempo Range: 20 to 255
  • Transpose: 25 Steps -12 / +12 semi tones
  • Tuning Control: A4=440Hz +/- 99 cents (variable)
  • Temperament: equal temperament + 16 scales
  • Recorder: 2 Tracks / 1 Song
  • USB Storage (to PC): Yes
  • SD Memory Card Storage: Yes
  • Speakers: 4.7” x 2” + 1” x 2”
  • Amplifier: 20W + 20W
  • Line Out: 2
  • USB: Yes
  • Pedals : Damper, Soft, Sostenuto
  • Headphones: 2
  • AC Adaptor: AD-24
  • Pedals: (Damper, Soft, Sostenuto) Yes
  • Bench: Yes (height adjustable)
  • Music Stand: Yes
  • Score Book: Yes
Dimensions and Weight
  • Unit size w/stand: 54.9” (W) x 16.8” (D) x 32.9” (H)
  • Unit weight w/stand : 82.2 lbs.
  • Boxed size: 58.7” (W) x 22.6” D) x 20.8” (H)
  • Boxed weight: 141.1 lbs.

Product Information

Item Weight 130 pounds
Product Dimensions 58.5 x 20.5 x 22.8 inches
Shipping Weight 137.7 pounds
Shipping Advisory This item must be shipped separately from other items in your order. Additional shipping charges will not apply.
Item model number AP420
Customer Reviews
3.9 out of 5 stars 39 customer reviews

3.9 out of 5 stars
Best Sellers Rank #60,847 in Musical Instruments (See Top 100 in Musical Instruments)
#107 in Musical Instruments > Keyboards > Electronic Keyboards > Digital Pianos > Home Digital Pianos
Date first available at July 16, 2004

Warranty & Support

Product Warranty: For warranty information about this product, please click here


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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
After years of playing my Yamaha DGX-500, I was looking to upgrade my digital piano to something that had graded hammer action, that would look nice in my living room, and that sounded as close to an acoustic piano as possible. I also wanted to spend around a thousand bucks. The Casio AP420, seemed to fit the bill, and having played other Casio digital pianos in my local music store (PX800, PX330, AP200), I was fairly confident in making this purchase from Amazon, sight-unseen.

The mangled box arrived in less than a week, looking like it had fallen off the truck or had been used for target practice. I was almost afraid to look inside. Fortunately, the engineers who designed the packaging did a marvelous job. Every piece was removed from the box in perfect condition. Assembly of the piano was not difficult, took less than an hour, and really did require two people.

The cabinet of the AP420 is quite attractive. I like the sliding keyboard cover, and the faux front legs of the piano, which really make it look less like a keyboard and more like an actual piece of furniture. The pedal board is quite solid, and the action of the brass pedals is firm. The included bench is built like a tank. I'm a rather big guy, and the bench easily supports my weight. The bench is height-adjustable, which is nice, but there is no way to store music inside it. The modesty panel (the back of the piano) covers all but about a 1 inch gap across the top. The gap is visible only when looking at the rear of the piano, or bending over and looking under the keyboard. Having no visible gaps in the back panel where you can see through the piano, helps give the illusion that the piano is deeper than it really is, making it look more like it's in an actual cabinet.
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I bought this digital piano from a authorized retailer last November. This January it stopped working, I couldn't turn it on. In March it worked miraculously. In May it stopped working. Yesterday, it started working again. This is bad because I will need to wait for it to fail working again to send it in for repair. When it didn't work, I tried everything the technician on phone taught me. My last option was to send it in for repair, but to ship this item with a declare value of $1000 USPS will charge me 150-250USD for the most basic ground shipping, and I have to bear the cost to ship it in. Casio has a number of service locations, but they are all outsourced (not opened by Casio itself) and their services are inconsistent. I live in San Francisco, it surprises me that I'm facing all these difficulties to even try to get it fixed. If I knew that this would happen I would have spent more and bought a Yamaha.

When it works, it works charmingly, I like it very much. But post-sale support is very disappointing.

I'll keep you guys updated about my experience of getting it fixed, but before that I'll have to wait for it to fail working again.
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Verified Purchase
i don't play the digital music. i need a digital piano because i live in an apartment, this is easier to move, and i can wear headsets when playing in the middle of the night, and very important, it's affordable to me. i did some research about different brands of digital pianos. people are talking about yamaha is good. when talking about casio, the general review is that casio wasn't good before, but it's catching up fast these years. so i went down to couple of dealers to give it a try. considering the sound, key touch, price, i decided to buy this model. i tried another series, not celviano, from casio, even more expensive, but the touches is not as good as this one. and the sound is good at both low and high pitches. an equivalent model for yamaha is selling around 1800 + tax. i personally don't feel like spending 800$ for the brand.

i do play acoustic pianos at school. i have to say that the key touch is still different. it cannot compare with the upright ones, and those upright ones cannot compare with the grand pianos. but hey, 1100$, for a piano, cannot be a better deal. especially, this deal from amazon is the best that i've seen. in store, it's selling about 1200$ + tax + shipping.

a note about the assembly. it's really easy to put it up, i did it all by myself, just asked my boyfriend to help lift it up after i'm done. the packaging is so well designed, the parts/wood boards are really well protected. one thing that i feel strange is that, there is a piece of paper showing how to put up the bench, but i didn't find the manual of how to assemble the piano! which is really strange to me. But glad that it's really not a puzzle, i figured it out with no problem.
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Verified Purchase
Length: 1:50 Mins
I spent quite some time researching into a beginner's piano for my child to take lessons on. I really wanted an acoustic piano but given I'm unemployed I just can't afford one, period. Finally, a friend showed me his Casio AP-420 and I really liked the sound... and affordability. Read the reviews here and elsewhere and pretty much everybody just loved it. So I bought one.

Assembling the stand took almost an hour by myself -- the assembly instructions (which, oddly, begin on p. 32 of the user's manual) say at leat two people are needed, though, so if you're a strong person and think you can do it all by yourself like I did, just be careful not to crush your toes. I have to say while the faux wood panels look good (the color is called walnut), they do feel kind of cheap. The piano itself feels solid. Some of the screw holes on the back panel did not align well with the other pieces, but weren't too difficult to deal with. If possible, you should get another person to help; I wish I had known that.

My video clip gives you some idea of the sight and sound of the AP-420. (The demo piece, from the built-in library of 60 mostly classical works, is Beethoven's Turkish March.) It looks good in person; I invited a couple of player neighbors over to take a look and they both liked how it looked. They also commented positively on the sound quality, and, after playing on it briefly, praised the feel of the keys. The ivory texture, according to them (since I don't play the piano myself), makes the whole thing feel like a real piano to the touch.

One thing I knew I had to make do without is the lack of an LCD screen. When I first saw the AP-420 at my friend's place I was a little surprised at that, since my $69 Yamaha 61-key keyboard has a nice information LCD.
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