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Joined: Aug 2016
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Is there a resource somewhere that explains exactly what has changed between the PHA4-Concert/Premium and the new PHA-50 action?
I haven't really scrutinized the marketing renders/cutaways but it seems like the main difference is just the cosmetic real-wood strips added to the PHA-50? Is there anything that makes it an improved action?
Bosendorfer D214VC ENPro
Past: Yamaha P-85, P-105, CP50, Kawai MP11, Kawai NV10
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Indeed there are differences in the PHA-4 Concert and the PHA-50 beyond the addition of hybrid construction (addition of wood)
While down-weight hasn't changed, the inertia definitely has. The new keybed has a more positive feel to it when you play fast passages, trills and the like. My own opinion is that it nicely splits the middle between the older bottoming out of the PHA-3 variants, and the bottoming of the PHA-4. For me, more satisfying.
Mechanical noise is slightly quieter than that of the PHA-4 variants while still offering that nice key bottom feel.
The addition of the wood allows you to feel more of the music through the PHA-50 keybed. It's quite a feeling to have those big rumbly bass notes come through the keys more than they could before.
The engineers also added stabilization pins to the action to prevent side to side motion when doing glissando techniques.
The changes may not be super obvious to the eye. But they are dramatic to the finger.
Jay
Industry Consultant
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Indeed there are differences in the PHA-4 Concert and the PHA-50 beyond the addition of hybrid construction (addition of wood)
While down-weight hasn't changed, the inertia definitely has. The new keybed has a more positive feel to it when you play fast passages, trills and the like. My own opinion is that it nicely splits the middle between the older bottoming out of the PHA-3 variants, and the bottoming of the PHA-4. For me, more satisfying.
Mechanical noise is slightly quieter than that of the PHA-4 variants while still offering that nice key bottom feel.
The addition of the wood allows you to feel more of the music through the PHA-50 keybed. It's quite a feeling to have those big rumbly bass notes come through the keys more than they could before.
The engineers also added stabilization pins to the action to prevent side to side motion when doing glissando techniques.
The changes may not be super obvious to the eye. But they are dramatic to the finger.
Jay And still the question would be if it is really better. I think it is just different. I have played the hp605 with the new PHA 50 and also the PHA4 concert. Except for the wood I find the PHA 4 concert a bit better in feel. But this is personal preference.
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That would depend on the individual.
I think it is a great action. Our best ever.
Jay
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Thank you Jay, that's very helpful.
I'm thinking down the road and considering a possible upgrade in the next year or two. Crossing my fingers for obvious updates to the RD-800 and MP11, which would be a fun fight.
Bosendorfer D214VC ENPro
Past: Yamaha P-85, P-105, CP50, Kawai MP11, Kawai NV10
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That would depend on the individual.
I think it is a great action. Our best ever.
Jay I have to agree on this. I tried it recently and was pleasantly surprised.
All these years playing and I still consider myself a novice.
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Thank you Jay, that's very helpful.
I'm thinking down the road and considering a possible upgrade in the next year or two. Crossing my fingers for obvious updates to the RD-800 and MP11, which would be a fun fight. ' You're welcome. If the implementation of the PHA-50 in the FP-90 is any indication of how that action works in a stage/portable instrument, the next flagship RD piano will be awesome! Jay
Industry Consultant
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That would depend on the individual.
I think it is a great action. Our best ever.
Jay Yep, its a very good action. No complaints.
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I like the PHA-50.
I never played on a piano with full wooden keys. I've played many different organs with different actions though, and keyboards and synths, with actions ranging from crap to very good.
Because of that, I don't really care what they keys are made of: full wood, full plastic/'molded materials', or a plastic/wood combo such as the PHA-50; as long as they I like the feeling.
Actually, I like the keytops of the PHA-50 better than those of the Kawai GF2. The GF2 felt very rough to me; sharp in places, actually. It could have been that specific piano, though. (The GF2-action itself was fine.)
Kawai Novus NV-10 | Pianoteq 7
(Kremsegg 1 & 2, Ruckers II, Karsten, KIVIR, Steinway D, K2)
Intel NUC J5040, 8GB, SSD | iPad Pro 12.9 2018 | forScore
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