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Grounding Pianet-T keys

Started by David Aubke, April 24, 2017, 11:52:51 AM

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David Aubke

Hi folks,

A Pianet-T owner wrote to me asking how I grounded the keyshafts on a unit that came through my shop a few years back. I don't think it was a complicated task but I have no memory of carrying it out.

I found a reference in an old post to a Youtube video that discusses this but I can't find the video.
http://ep-forum.com/smf/index.php?topic=7067.msg36222#msg36222

Can anyone explain the best way to proceed?
Dave Aubke
Shadetree Keys

Peter Hayes

Peter Hayes
Electronic Edge
http://www.elecedge.com
937-767-7174

David Aubke

Quote from: Peter Hayes on April 24, 2017, 12:19:23 PM
I think this is what you're looking for.

https://www.youtube.com/watch?v=84rIQC2Ot18

Holy moly. I don't think I went through all that. I thought there was some single point that provided continuity to the entire set of keys. I'll have to dig through my pictures to see if anything jogs my memory.
Dave Aubke
Shadetree Keys

Alan Lenhoff

The video, from Clavinet.com, shows a Pianet N, not a T.  Generally, the reason to ground the N keys is that if you buy the Clavinet.com replacement silicone sticky pads, which are not like the originals, they make a nasty static-y sound if additional grounding is not added. If you buy the Ken Rich pads, which ARE like the original "sandwich-style" pads, this is not necessary.  (My N sounds great with Ken's pads and no added grounding.)

I'm not familiar with the T. But it uses different pads than the N.  My first questions would be:  Does it really benefit from adding additional grounding? And if so, is the method for doing so the same as for the N? 

Alan

Co-author, "Classic Keys: Keyboard Sounds That Launched Rock Music"

Learn about the book: http://www.classickeysbook.com/
Find it on Amazon.com: https://www.amazon.com/dp/1574417762/

1965 UK Vox Continental;1967 Gibson G101 organ; 1954 Hammond B2; Leslie 21H; Leslie 31H; 1974 Rhodes Mark I Stage 73; 1972 Rhodes Sparkletop Piano Bass; 1978 Hohner Clavinet D6; 1968 Hohner Pianet N II; 1966 Wurlitzer 140B; 1980 Moog Minimoog Model D; 1983 Roland JX-3P; 1977 Fender Twin Reverb; 1983 Roland JX-3P synth; Vox AC30CC2X amp.
(See the collection: https://vintagerockkeyboards.com/ )

David Aubke

Thanks Alan.

If I remember correctly, most of the noise coming from the Pianet T I had was remedied by replacing the defective output jack.

The recording I made is still a little noisy but it doesn't sound like a grounding issue.
https://www.youtube.com/watch?v=yIx-SHoEMFs
Dave Aubke
Shadetree Keys

sookwinder

I have both a Pianet N and a T model.
Yes I grounded my Pianet N ... and it is very quiet now after being rather noisy

I have done nothing to my Pianet T as it has always been quiet.
Late 60s Pianet N - Late 70s Pianet T - Ensoniq ESQ1 - Hammond XK2 - Wurli 206A converted to a 200A - 1973 Rhodes Stage 73 - Roland RD150 - Vintage Vibe 64 EP - s**t load of guitars, basses & amps