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#2002913 - 12/22/12 12:42 AM Best way to amplify Yamaha CP-70
Swiftwinter Offline
Junior Member

Registered: 12/19/12
Posts: 1
I picked up a Yamaha CP-70 from 1977 at a used items store for $100 the other day (they had no idea what they had) and everything is in working condition. It does needs a tuning, though. The only amps I have at the moment are for electric guitars, and they don't make the piano sound too great. Maybe it's just because it's out of tune, but I don't know. Regardless, I plan on buying a proper speaker to amplify the piano and need some advice on what kind of speaker to purchase, so here I am asking you guys! What would be the best speaker(s) to buy?

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#2004626 - 12/26/12 01:55 PM Re: Best way to amplify Yamaha CP-70 [Re: Swiftwinter]
Sparky McBiff Offline
1000 Post Club Member

Registered: 03/09/10
Posts: 1112
Loc: Toronto, Ontario
You should probably ask this in the Digital Piano section since this section deals only with acoustic pianos.
_________________________
Hailun 198







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#2004631 - 12/26/12 02:09 PM Re: Best way to amplify Yamaha CP-70 [Re: Swiftwinter]
Steve Chandler Offline
2000 Post Club Member

Registered: 02/18/05
Posts: 2818
Loc: Urbandale, Iowa
Any good keyboard amp would do the job fine. You don't need the overdrive you'd get in a guitar amp and you need higher quality speakers (full range). All things you'd get in any good keyboard amp.

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#2004729 - 12/26/12 09:51 PM Re: Best way to amplify Yamaha CP-70 [Re: Swiftwinter]
Bob Offline
3000 Post Club Member

Registered: 06/01/01
Posts: 3922
I'd have it tuned, first, then re-evaluate. Make sure you get a tuner who has tuned these before - and can tune by ear. You got a great deal - they have been around 1 k here, with parts missing. Pick up or pre amp issues can make for poor sound on these as well.
_________________________
www.PianoTunerOrlando.com






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#2004731 - 12/26/12 09:58 PM Re: Best way to amplify Yamaha CP-70 [Re: Swiftwinter]
Pianolance Offline
1000 Post Club Member

Registered: 07/28/09
Posts: 1192
Loc: Nashville, TN
Yamaha used to make a speaker that was amplified with a 15" white cone speaker and a horn, that was a fantastic speaker to amplify the CP70, but alas, they are near impossible to find now. JBL Eon speakers are great as well as other high quality self amplified PA speakers, even Bose 802's were amazing for this application. Best of luck with it, I hope it turns out to be a real gem.
_________________________
Knabe 5'2" Louis XV Walnut circa 1927
Very part time piano broker.

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#2004777 - 12/27/12 02:31 AM Re: Best way to amplify Yamaha CP-70 [Re: Swiftwinter]
WeatherTheLizard Offline
Full Member

Registered: 07/04/09
Posts: 142
Loc: NY, US
Most of the owners I've come across have a Fender Twin Reverb for it. But I agree a keyboard amp should work too. I personally use studio monitors for it, but want to upgrade.
_________________________
Elizabeth
@->-->--

Kimball 4520, Yamaha CP70-B, Yamaha PSR-150

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#2004794 - 12/27/12 04:45 AM Re: Best way to amplify Yamaha CP-70 [Re: Swiftwinter]
backto_study_piano Offline
500 Post Club Member

Registered: 01/28/10
Posts: 560
Loc: Australia
The higher you drop them from, the louder they are.
_________________________
Alan from Australia (and Clara - my Grotrian Concert - she's 7'4" long and ebony) & 2 Allen Organs [long story - the first is for sale] - MDS312 and CF-15.

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#2014349 - 01/14/13 10:56 AM Re: Best way to amplify Yamaha CP-70 [Re: Swiftwinter]
Dr Popper Offline
1000 Post Club Member

Registered: 12/30/09
Posts: 1721
Loc: Hancock Park LA (not again)
Try a QSC K12
_________________________
"I'm still an idiot and I'm still in love" - Blue Sofa - The Plugz 1981 (Tito Larriva)
Disclosure : I am professionally associated with Arturia but my sentiments are my own only.

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#2014455 - 01/14/13 01:33 PM Re: Best way to amplify Yamaha CP-70 [Re: Swiftwinter]
Rickster Offline


Registered: 03/25/06
Posts: 8586
Loc: Georgia, USA
I have a Roland keyboard amp that does a very nice job. Don't recall the model (150 maybe)?

Anyway, it has a 15 speaker with the tweeters and has lots of power/volume. It also sounds pretty nice with a microphone as a PA system as well.

By-the-way, I think you can amplify an electric/digital piano through a good PA system as well.

Congratulations on your find, and welcome to Piano World!

Rick
_________________________
Piano enthusiast and amateur musician: "Treat others the way you would like to be treated". Yamaha C7. YouTube Channel

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