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BK-7M USB B

Topic Author
  • Posts: 3
  • Karma:
  • Gender: Male
  • Birthdate: 02 Feb 1951
BK-7M USB B #5672
Hi All, I wish to connect a very new keyboard ( Privia PX-S3000) that has only a USB B socket to my BK-7M backing module. Is it possible to connect this keyboard directly to the USB B socket of the BK-7M to transmit midi messages? Any advice gratefully accepted....shep
4 months 2 weeks ago

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  • Posts: 66
  • Karma:
  • Gender: Male
  • Birthdate: 27 Jan 1959
BK-7M USB B #5673
You can not connect directly to the USB - only through the MIDI-input-output on MIDI-cord. You can used the MIDI-OX PC-program and connect via PC. From Privia PX-S3000 to PC on first USB-cord and from PC to Roland BK-7m another USB-cord.
4 months 2 weeks ago Last edit: 4 months 2 weeks ago by loshk.
Roland E-80 v.2.01 (SRX-01, 10), Roland Fantom XR, Yamaha Motif-Rack ES, Roland M-GS64, Ketron SD-2, Edirol PCR-500, Edirol M-16DX, Kawai MAV-8, JBL 4312E

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BK-7M USB B #5674
There ARE two USB ports on a BK-7m. But the slot (typeA) input seems needed for any memory sticks you use. I am not sure if it can receive USB-MIDI, but I know that later BK's could use a wireless USB receiver in the slot, which might indicate that it can.

The problem, of course, and the reason why the wireless dongle was such a really bad idea, is that, unless you only use the Music Assistant Performance List (which resides in ROM), you can't receive anything on that port and still be able to use your own registrations (Performances, SMF's, styles, audio etc.). What an absolutely boneheaded move!

But I'd say that, I seriously doubt you can actually do any harm hooking the Privia to the slot, might as well try and just see if anything is received... Plus, the Privia manual says "USB TO HOST : Yes, USB TO DEVICE : Yes" so perhaps that slot port on the Privia can send USB as well. I'd contact Casio, to be honest, for more definitive answers to this.

BTW, MIDI-OX isn't your only solution, and a Windows PC isn't your only option. iPads, tablets, Mac's, Android devices, any of these can be used as an intermediate device.
4 months 2 weeks ago
BK-9 BK-7m G70. Kurzweil K2500S, Korg Triton. Samick upright piano. iMac 27", HR824 monitors.

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Topic Author
  • Posts: 3
  • Karma:
  • Gender: Male
  • Birthdate: 02 Feb 1951
BK-7M USB B #5677
Thanks for your help Diki, the PX-S3000 only operates on one midi channel , but I can split the BK-7M so as to give control over backing to my left hand only.
I tried the Privia USB A to BK-7M USB B but the Privia said it was "mounting", obviously looking for a computer. I will try USB B Privia to USB B BK-7M but I need to buy an adaptor to convert a normal USB lead. I found some of the backing tracks of the Privia leave a lot to be desired and wish to continue using my BK-7M
Thanks again, great site....Shep
4 months 2 weeks ago

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BK-7M USB B #5679
The BK-7m has a MIDI mode where it will take one MIDI channel, and then map that to all its internal splits, layers etc..

So you can have Performances where chord recognition is full piano (try Pianist2 recognition, where it takes five notes for a new chord with sustain down... works great!), but turn the BK's Parts off so just the piano is heard. A great way to do jazz standards, etc..

Then, if you want more normal arranger layout (LWR chord recognition, solo RH sounds) just turn the Privia's volume off and you are good to go.

A song that needs a combination of both can easily be done by using adjacent Performances during a song (there's no note cutoff issues with a Roland). I recommend highly getting an FC-7 f/s pedal, or a Korg EC5 if you can't find an FC-7, and setting two switches up for Perf up/down, so you can do the process hands free. One performance for whole piano, adjacent one for split solos.

I also use multiple Performances for any time in a song I want to do anything complex, change split points, change several sounds at the same time, bass inversion, change chord recognition, etc.. It is a lot easier than trying to press a whole bunch of buttons at the same time!

Have you seen this: www.kentonuk.com/products/items/utilities/usb-host.shtml ? This might be your solution to not having to use a laptop or tablet as an intermediary between the piano and the BK-7m...
4 months 2 weeks ago Last edit: 4 months 2 weeks ago by Diki.
BK-9 BK-7m G70. Kurzweil K2500S, Korg Triton. Samick upright piano. iMac 27", HR824 monitors.

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Topic Author
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  • Karma:
  • Gender: Male
  • Birthdate: 02 Feb 1951
BK-7M USB B #5682
Thanks Diki, a great help , will follow through on your suggestions...best wishes....shep
4 months 2 weeks ago

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