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200A sustain: all notes sounding

Started by Trout Waters, December 19, 2022, 11:34:31 AM

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Trout Waters

Greetings,

I am looking into a Wurli 200A that has a problem of all notes, over the entire range of the keyboard, sounding when depressing the sustain. It is very apparent when recording or through a sound system when connected via the aux out, a kind of boom effect at each pedal. It would be unusable for these applications. The struck note(s) will sustain normally.

This cannot be a normal behavior. This is a keyboard which I am considering for purchase and would like to get an idea of the possible cause(s) including the level of difficulty to fix the problem.

Thanks so much.

TW

Jenzz

Hi + welcome :-)

Keep two things in mind:

The 5 hignest notes have no dampers, so there will always be some kind of 'faint ringing' when notes are struck.

When the pedal is released, all reeds are bend a bit downwards due to the tension of the sustain / damper arm mechanism. When you hit the pedal hard, the releasing damper felts will pull away from the reeds, causing them to ring because of their own bending tension.

The, this phenomenon is kind of normal to some degree.

Do you have a sound file?

Jenzz .-)

Rhodes tech in Germany
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VintageVibe 64 ACL + Type 120 (DIY MXR MX-120 clone) Env. Filter, EHX SmallStone, EHX NeoClone

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In the Past:
Stage 73 Mk1 (1977)
Stage 88 Mk1 (1975)
Stage 73 Mk2 (1980)
Stage 73 Mk2 (1981 - plastic)
Suitcase 73 Mk1 (1973)
Suitcase 73 Mk1 (1978)

pianotuner steveo

This is somewhat normal, but you might be able to reduce the noise if you gently squeeze the V shaped dampers with a clean pair of needle nose pliers. (Lift the dampers to squeeze)
Damper felts can get hard/crusty with age and kind of pluck the reeds a little.
The pliers usually soften the felts with 1 or 2 squeezes of the pliers, close to the end of the felt that sits on the reeds.
1960 Wurlitzer model 700 EP
1968 Gibson G101 Combo organ
1975 Rhodes Piano Bass
1979 Wurlitzer 206A EP
2009 73A Rhodes Mark 7
2009 Korg SV-1 73
2017 Yamaha P255
2020 Kawai CA99
....and a few guitars...