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#2136641 - 08/21/13 02:27 PM Adding a Subwoofer to AP-620 or other Digital Piano
SteveConslaw Offline
Junior Member

Registered: 07/04/11
Posts: 13
Loc: Indiana, USA
Kraft Music is now offering a bundle on the Casio Celviano aP-620 with inexpensive powered subwoofer. Have any of you used a subwoofer with your DP? I've got an old subwoofer laying around from a home theater system with a broken DVD player. Would I just hook it up to the AP-620's L/Mono line out? How do you balance the tone?
Step Back! he's got a synthesizer, and he isn't afraid to use it.

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#2138567 - 08/25/13 12:19 AM Re: Adding a Subwoofer to AP-620 or other Digital Piano [Re: SteveConslaw]
Charles Cohen Offline
2000 Post Club Member

Registered: 12/26/12
Posts: 2240
Loc: Richmond, BC, Canada
fWIW --

You should be able to run the "L/Mono" line-out into the subwoofer input (or the line-level input into the whole "home theatre" speaker system).

Two choices:

a) use the home theatre system, and turn off the AP-620 loudspeakers. That probably happens when you put a plug into the headphone jack. In that case, if you want to keep the stereo sound, run AP-620 "L/mono" into the HT "left" input, run "Right" into the HT "right" input. The HT will mix left and right, and send a mono signal to the subwoofer.

b) Use the AP-620 speakers and add the HT subwoofer. For that, run the AP-620 "L/mono" output into the HT input. Disconnect the high / midrange HT loudspeakers. Adjust the subwoofer volume with the HT "volume" control. That's the easiest way to use the HT strictly as a subwoofer.

What's the diameter of the AP-620 woofers? What's the power of the AP-620 amp?

. Charles

PS -- since I don't have an AP-620, and don't have a HT system, you use these instructions at your own risk.

You'd need some way to kill the mi
. Charles
PX-350 / microKorg XL+ / Pianoteq / Lounge Lizard / ZXA1 speaker


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