Jefsong Posted June 22, 2018 Share Posted June 22, 2018 I was wondering if anyone else has experienced this problem with their SK series Hammond. I have taken it in to my repair shop and was told the motherboard needed to be replaced. The repair shop told me that it still is occurring even with the new motherboard installed. They believe that it is a software issue and that the output is too hot and possibly distorting the opamps. At this point they are waiting to hear back from Suzuki as they have also been able to replicate the problem. At high volume levels and high treble the distortion is even more noticeable. Motif Classic 88, S90ES, Hammond Sk2, GSI Dmc-122, Fender Rhodes 73 Suitcase, Wurlitzer 200A, Hammond B3 + 122 Leslie www.jeffreybryanmusic.com Keyboardist for Survivor Link to comment Share on other sites More sharing options...
Analogaddict Posted June 24, 2018 Share Posted June 24, 2018 Hmm. Ive had my SK-1 since they were new with no such problems. Does the master volume affect anything? Link to comment Share on other sites More sharing options...
Jefsong Posted June 24, 2018 Author Share Posted June 24, 2018 Yes. It's affected by volume and gain. At very low levels the problem doesn't occur. Motif Classic 88, S90ES, Hammond Sk2, GSI Dmc-122, Fender Rhodes 73 Suitcase, Wurlitzer 200A, Hammond B3 + 122 Leslie www.jeffreybryanmusic.com Keyboardist for Survivor Link to comment Share on other sites More sharing options...
jpgxk3 Posted June 24, 2018 Share Posted June 24, 2018 Check your expression pedal settings and try swapping out another pedal? Let us know. Good luck. Joeyg Link to comment Share on other sites More sharing options...
Jefsong Posted June 24, 2018 Author Share Posted June 24, 2018 No, It's not that. I already had the motherboard replaced and it still occurs. The repair guy thinks it's Hammond's own software. That's why I posted here to see if anyone was having this issue. Motif Classic 88, S90ES, Hammond Sk2, GSI Dmc-122, Fender Rhodes 73 Suitcase, Wurlitzer 200A, Hammond B3 + 122 Leslie www.jeffreybryanmusic.com Keyboardist for Survivor Link to comment Share on other sites More sharing options...
Delaware Dave Posted June 24, 2018 Share Posted June 24, 2018 Where do you normally run the volume pot, at full volume (100%)? 1/2 volume (50%)? At what point does it stop distorting, 1/2 volume? 1/3 volume? 57 Hammond B3; 69 Hammond L100P; 68 Leslie 122; Kurzweil Forte7 & PC3; M-Audio Code 61; Voce V5+; Neo Vent; EV ELX112P; GSI Gemini & Burn Delaware Dave Exit93band Link to comment Share on other sites More sharing options...
mate stubb Posted June 24, 2018 Share Posted June 24, 2018 I used to own an XK1-C. Don't anymore but I have some vague memory that you can turn the patch level parameter up too much and get internal distortion. See if you can find a patch volume param and try turning it down a bit. Does that get rid of it? If so, you need to modify and resave your patches. Moe --- Link to comment Share on other sites More sharing options...
Jefsong Posted June 25, 2018 Author Share Posted June 25, 2018 I always run the master volume at 50%. I'll check the patch volume as you suggested and see if that has any effect. Thanks. Motif Classic 88, S90ES, Hammond Sk2, GSI Dmc-122, Fender Rhodes 73 Suitcase, Wurlitzer 200A, Hammond B3 + 122 Leslie www.jeffreybryanmusic.com Keyboardist for Survivor Link to comment Share on other sites More sharing options...
JMcS Posted June 25, 2018 Share Posted June 25, 2018 In addition to the Master Equalizer on the Control Panel (Pg. 27) there are separate Organ and Extra Voice Equalizers and a Master Turnover Frequency Equalizer (Pg. 100). The Master EQ is a live adjustment only. The Organ and EV Equalizers are patch adjustments so are saved when the Patch is saved. The Master Turnover Frequency EQ is a Global Adjustment so the values are automatically recorded as they are selected. All EQ adjustments on both pages have the following note: The sound may distort if gains are raised too high. Adjust accordingly. Page 100 has notes that explain the Middle and Turnover frequency adjustments and their use. It can be hard to generate a high velocity value on the SK keyboards without really smacking the keys. This can cause some of the EVs to sound somewhat lifeless and dull since the attack and other velocity dependent harmonics don't get produced very much if at all. I think this causes people to crank up the treble to compensate. Hammond added a Velocity Offset Parameter (Pg. 81 #25) in one of the early OS updates to allow the musician to adjust the velocity value generation to their style of playing. This makes a huge difference in the sound of the EVs (IMO). I found that I usually generated a value in the mid-80s when I hit the keys hard. I adjusted the VO to where I could generate a value of 127 with little effort and still generate a low value when I wanted to. It made a big difference in how the EVs sound. Additional Info: The Velocity Curve (Pg. 77 #7) is in addition to the VO adjustment, they work in tandem. Link to comment Share on other sites More sharing options...
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