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 Post subject: Z3: Severe Volume dropoff between positions 2 and 3
PostPosted: Wed Oct 26, 2011 11:29 am 
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I recently purchased a Z3 with the Glock preamp and I really like the fingerstyle tone I get from position 2 in series (punchy humbucker). However, I find that when I switch to position 3 (j-style) for slap, there is a very severe dropoff in volume. This is an issue because I play exclusively through a PA, and try to run at full volume for best S/N ratio. I find that I am having to run @ 30% volume or less for position 2 and 100% volume for position 3 to get comparable output levels. Is this normal?


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 Post subject: Re: Z3: Severe Volume dropoff between positions 2 and 3
PostPosted: Wed Oct 26, 2011 11:52 am 
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Joined: Sun Jan 22, 2006 1:23 am
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Location: Winnipeg, MB, Canada
It is normal to have higher output when any pickups or pickup coils are wired together in series.

I think the newer Dingwalls have an internal trim pot that you can use to bring the series output down to the parallel level, if you want.

Sheldon or someone will correct me if I'm wrong about that.


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 Post subject: Re: Z3: Severe Volume dropoff between positions 2 and 3
PostPosted: Wed Oct 26, 2011 1:20 pm 
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Joined: Sun Dec 12, 2010 11:42 am
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Actually I am leaving the pickups in series, just switching between position 2 and 3.


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 Post subject: Re: Z3: Severe Volume dropoff between positions 2 and 3
PostPosted: Wed Oct 26, 2011 1:41 pm 
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Location: Winnipeg, MB, Canada
The coils may be set to series within each pickup but, I think the pickups are parallel to each other in the J mode. (At least that's they way two pickups are connected to each other in a typical Jazz bass.)

In the "Stingray" humbucker mode, the two pickups are probably connected to each other in series. Thus the higher output. I don't own a Z3. So, again, somebody will correct me if I'm wrong.

The Z3 control diagram can be found at
http://www.dingwallguitars.com/pdf-downloads/

But it doesn't say how the pickups are connected to each other in each mode.


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 Post subject: Re: Z3: Severe Volume dropoff between positions 2 and 3
PostPosted: Wed Oct 26, 2011 3:52 pm 
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Joined: Sat Sep 24, 2005 5:33 pm
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Location: Tyler, TX
That's how my Z3 works. In fact, all of my Dingwalls with the rotary switch behave the same way. I rarely use the 3rd position. I leave it in 2 and adjust the volume accordingly, backing the volume off to slap. It wouldn't make sense if positions 2 and 3 did the same thing.

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 Post subject: Re: Z3: Severe Volume dropoff between positions 2 and 3
PostPosted: Wed Oct 26, 2011 4:10 pm 
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Location: Santa Barbara, CA
You can get the new rotary switch from Sheldon, I guess. They have a trim pot on the inside that lets you turn down the volume of the series setting. They are not hard to replace either. However, when you make the two settings even in output the series settings sounds almost like the parallel setting but with some highs cut off. I've kept my series setting just slightly over the parallel setting in output, and so now they seem like different eq presets of the same thing. That will solve your problem.


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 Post subject: Re: Z3: Severe Volume dropoff between positions 2 and 3
PostPosted: Wed Oct 26, 2011 5:17 pm 
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1. As mentioned we offer a rotary with a series trimmer for position #2. If you have a new Z3 you probably already have it. If not there are a couple of other things to try first. If they don't get you there then a new switch can be ordered.

2. The first Z3's had a series/parallel switch for the middle pickup. When we switched to Glockenklang we needed that switch to control the mid freq. For the last year or so we decided that the 3 toggles being series/parallel for each pickup just made too much sense so all new Z3's have a fixed mid and 3 S/P toggles. If you have one of these switch the middle pickup to parallel and if possible, lower the pickup a little.

3. There's not a lot of vertical adjustment on the Z series Super-Fatties due to the body being thin and the pickups being tall but you can try lowering the middle pickup a turn or two to reduce the position 2 output.


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 Post subject: Re: Z3: Severe Volume dropoff between positions 2 and 3
PostPosted: Thu Oct 27, 2011 7:47 am 
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Thanks Sheldon and everyone else for the replies. I purchased my Z3 new in July so I assume it will have the internal trim for series mode on the rotary switch. I had been going by the Rev. 4 (Sep '09) Z3 control layout PDF, so I did not know that the middle switch was series/parallel for the mid pickup instead of a mid frequency selector.

I'll try adjusting the trim tonight. Love everything else about the bass so hopefully this works!


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 Post subject: Re: Z3: Severe Volume dropoff between positions 2 and 3
PostPosted: Thu Oct 27, 2011 2:18 pm 
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Joined: Tue Mar 21, 2006 12:47 pm
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Location: Wayne, PA
My Z3 is slightly louder in position 2. or maybe position 3 is slightly softer than the other 3! I'll have to look for the trimmer. It does have the mid adjustment for the center toggle. What is involved in getting that to work like the current setup (series/parallel for center pickup?)

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 Post subject: Re: Z3: Severe Volume dropoff between positions 2 and 3
PostPosted: Fri Oct 28, 2011 7:43 am 
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Well knowing that the middle toggle is series/parallel for the middle pickup helped a lot. I'll probably mess around with the internal trim a bit more but the difference in volume is very minimal now. Thanks again everyone for the replies. This was the only issue I had with my Z3, and now that it's taken care of I couldn't be happier.


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 Post subject: Re: Z3: Severe Volume dropoff between positions 2 and 3
PostPosted: Fri Oct 28, 2011 2:30 pm 
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Joined: Tue Mar 21, 2006 12:47 pm
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Location: Wayne, PA
Hey Jeff,

I must have missed the post where you showed us pics of your Z3?!

no pics, no bass.

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 Post subject: Re: Z3: Severe Volume dropoff between positions 2 and 3
PostPosted: Mon Oct 31, 2011 2:08 pm 
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It's the Z3 in this thread:

viewtopic.php?f=13&t=2082

I'll try to take some pics of my own soon.


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 Post subject: Re: Z3: Severe Volume dropoff between positions 2 and 3
PostPosted: Mon Oct 31, 2011 2:52 pm 
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Joined: Tue Mar 21, 2006 12:47 pm
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Location: Wayne, PA
You done good!

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