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Roland HP704 vs HP605 vs Kawai CA78
#2996839 06/29/20 09:22 PM
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Hello friends,

I'm really struggled choosing between one of these digital pianos. Roland HP704, HP605, Kawai CA78.

At my local store in Istanbul, prices are like:
Kawai CA78: $2400 (last price)
Roland HP704: $1920 (may have a discount)
Roland HP605: $2611 (may have a discount)

Does Kawai CA78 really deserves extra $400 over Roland HP704? Which one would you buy and why?
And I don't get it why HP605 is expensive than HP704.

I do really need help smile

Thanks.

Last edited by burakcalik; 06/29/20 09:29 PM.
Re: Roland HP704 vs HP605 vs Kawai CA78
burakcalik #2996841 06/29/20 09:30 PM
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Instead of comparing one piano with another, compare each piano with your expectation of how a piano should feel, and how it should sound.

Buy the one you like most.

Re: Roland HP704 vs HP605 vs Kawai CA78
MacMacMac #2996842 06/29/20 09:36 PM
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Originally Posted by MacMacMac
Instead of comparing one piano with another, compare each piano with your expectation of how a piano should feel, and how it should sound.

Buy the one you like most.

Yes, this is exactly what I would do if I could try these at home side-by-side for an hour.
Since that is not the case, I would like to get opinions from experts.

Last edited by burakcalik; 06/29/20 09:37 PM.
Re: Roland HP704 vs HP605 vs Kawai CA78
burakcalik #2996858 06/29/20 10:26 PM
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"And I don't get it why HP605 is expensive than HP704."

From what I can find, the HP 605 has VERY slightly better speakers but everything else is basically the same. It should NOT cost THAT much more money. Very odd.

Re: Roland HP704 vs HP605 vs Kawai CA78
burakcalik #2996884 06/29/20 11:55 PM
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Hello burakcalik,

Originally Posted by burakcalik
Yes, this is exactly what I would do if I could try these at home side-by-side for an hour.
Since that is not the case, I would like to get opinions from experts.

Does this mean that you're unable to play-test the instruments before purchasing?
Perhaps the dealer enforces a "look, but don't touch" policy due to Covid-19?

Kind regards,
James
x


Employed by Kawai Japan, however the opinions I express are my own.
Nord Electro 3 & occasional rare groove player.

"I agree that the User Manual is very good." - arc7urus, March 2019
Re: Roland HP704 vs HP605 vs Kawai CA78
Kawai James #2996952 06/30/20 06:31 AM
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KJ asked the question before I read this:
Originally Posted by Kawai James
Originally Posted by burakcalik
Yes, this is exactly what I would do if I could try these at home side-by-side for an hour. Since that is not the case, I would like to get opinions from experts.
Does this mean that you're unable to play-test the instruments before purchasing?
Perhaps the dealer enforces a "look, but don't touch" policy due to Covid-19?
Or ... is it simply that the Rolands are found at one store and the Kawai at another?

The latter makes comparison difficult. But you have to take life as it comes.

If it's the former ... and you cannot try these pianos, then I'd suggest waiting for a normal, virus-free world. Maybe later this year?

I could not buy a piano until I'd tried it first. No try = no buy.

Re: Roland HP704 vs HP605 vs Kawai CA78
burakcalik #2996959 06/30/20 06:59 AM
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I appreciate every suggestion, so "no buy" is also a suggestion, thanks smile

What I'm actually trying to ask is the price/value. Like where these pianos sit in the given price range. Is $2400 for CA78 is a real deal comparing to $1920 of HP704?

I've recently found this article which was really helpful and answered most of my questions, explains the keyboard actions and details of each:
https://www.pianodreamers.com/best-digital-pianos-under-3000/
But it says CA-78 does not belongs to this category because it sell for well over $3,000. But in my case, it does not.

Re: Roland HP704 vs HP605 vs Kawai CA78
burakcalik #2996991 06/30/20 09:08 AM
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Originally Posted by burakcalik
Yes, this is exactly what I would do if I could try these at home side-by-side for an hour.
Since that is not the case, I would like to get opinions from experts.

Don't be bothered by opinions from "experts". What you need is the subjective opinion from yourself. I'd highly recommend you to take any detailed explanations of keyboard actions etc with a grain of salt, because in person the impression is often quite different from the expectations and the marketing blahblah. It is merely good to know others' concerns to know what to pay attention to in advance. Surely not having them side-by-side complicates things.
Personally I think these are all very nice DPs. Regarding the Rolands, mind the opinions over their modelled sound are quite split. Even on headphones, the midtones may not sound clear, though I think it depends a lot on headphones quality, with my old HD545 it is notably better than with common earplugs. The built-in speakers & cabinet have a major impact on sound if you use them and I can't comment for these models.

For prices, check price trends on links below (or idealo.de etc). Mind the CA78 and the HP605 appear to be discontinued models for which prices may be irregular.

https://geizhals.eu/roland-hp704-black-matte-hp704ch-a2035799.html
https://geizhals.eu/roland-hp605-black-matte-hp605-cb-a1345239.html
https://geizhals.eu/kawai-ca-78-b-black-matte-a1708912.html

Re: Roland HP704 vs HP605 vs Kawai CA78
_sem_ #2997003 06/30/20 09:58 AM
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Exactly! If it will be YOUR piano then only YOUR impression matters. Outside opinions can be a guide. But the decision must be your own.
Originally Posted by _sem_
Originally Posted by burakcalik
Yes, this is exactly what I would do if I could try these at home side-by-side for an hour.
Since that is not the case, I would like to get opinions from experts.
Don't be bothered by opinions from "experts". What you need is the subjective opinion from yourself.

Re: Roland HP704 vs HP605 vs Kawai CA78
burakcalik #2997032 06/30/20 11:28 AM
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Definitely try them all before buying - you never know which you might prefer until you get your hands all over it!

RE HP-704 vs HP-605.... well, the HP-605 has been replaced by the LX-705 (sort of)... so I'd look at the HP-704 vs LX-705, rather than the HP-605 (which isn't a current model).

Some people prefer the sound of the HP-704 to the LX-705 and vice versa (they have different sound engines, although both have fully-modelled piano sounds).

At this moment in time, I don't believe there's an advantage to paying more for the HP-605? Same action, same sound engine and very similar speaker arrangement to the HP-704. If anything, they might have done some work to the sound engine for the HP-704 release (not confirmed), and the buttons/controls are definitely better on the HP-704:
https://www.youtube.com/watch?v=fYD7TwXPMlI



Specs for all three models:

https://www.roland.com/uk/products/hp704/specifications/

https://www.roland.com/uk/products/hp605/specifications/

https://www.roland.com/uk/products/lx705/specifications/


Sorry, I'm Kawai naive... I will address that one day (although my next purchase will be an acoustic piano) just to see if I'm missing out on anything. 😁


Learning to play. Consciously incompetent, which apparently is a good starting point. smirk
Re: Roland HP704 vs HP605 vs Kawai CA78
burakcalik #2997041 06/30/20 11:35 AM
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You really can't be sure they have the same sound engine just because these "engines" share the same name. The engine name is fictitious. And its use hides lots of differences.

Typically much or all of a manufacturer's range of pianos will share the same "engine". But with three or four or five models in that range spanning a two-to-one or three-to-one price range ... can we really expect that they're all the same?

They're not.

Re: Roland HP704 vs HP605 vs Kawai CA78
MacMacMac #2997048 06/30/20 11:45 AM
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Originally Posted by MacMacMac
You really can't be sure they have the same sound engine just because these "engines" share the same name. The engine name is fictitious. And its use hides lots of differences.

Typically much or all of a manufacturer's range of pianos will share the same "engine". But with three or four or five models in that range spanning a two-to-one or three-to-one price range ... can we really expect that they're all the same?

They're not.

Well... Supernatural Modelling is Supernatural Modelling... with unlimited polyphony for the modelled piano sounds (so they appear to be the same). I'm totally with you on that one - they may tweak the sound engines to remain competitive with different releases. This is exactly why I provided a link, to a review, where the reviewer believes that some work has been done to the sound engine... but it's not confirmed.

This is also why my first comment was to try them all.

It is, however, easy to spot the differences between their sampled range (FP10/30/60) because the polyphony changes... pedalling changes... which means that they are inherently different in some way... and they are probably not the same.

Last edited by OscarRamsey; 06/30/20 11:47 AM.

Learning to play. Consciously incompetent, which apparently is a good starting point. smirk
Re: Roland HP704 vs HP605 vs Kawai CA78
burakcalik #2997718 07/02/20 12:44 AM
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Guys, I ended up buying an Ibanez S Series Electric Guitar, thank you anyway smile

Re: Roland HP704 vs HP605 vs Kawai CA78
burakcalik #2997919 07/02/20 03:18 PM
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Thanks for the update! That's a fantastic model of guitar! hope you enjoy it!

Re: Roland HP704 vs HP605 vs Kawai CA78
burakcalik #2997932 07/02/20 03:56 PM
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Originally Posted by burakcalik
Guys, I ended up buying an Ibanez S Series Electric Guitar, thank you anyway smile

Nice... and it has REAL strings. smile smile


Learning to play. Consciously incompetent, which apparently is a good starting point. smirk

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