Wednesday, 08 October 2008
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I sent photo's of my bass in this morning. I wasn't sure and sent them through the "contact" email address. Was it sales ? Maybe. 6 pictures. Serial # 3592 up on the back of tuning head. In an earlier email I asked for schematics as I'm thinking about trying out a John East preamp I have. Other questions along those lines: 1. Are these pickups wound and wired as humbuckers ? It looks like there's a red, clear and black wire out of both shielded cables. The black looks like the shield and if that is true : 2. Can you define the red and clear ? In reguards to series / parallel hookup. Thanks
13 years ago
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#11499
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Hi Bill Bass, In case you're still waiting for an answer to you questions: [quote="Bill Bass":36mkbcu1] Serial # 3592 up on the back of tuning head. Other questions along those lines: 1. Are these pickups wound and wired as humbuckers ?[/quote:36mkbcu1] No, they are split coil. [quote="Bill Bass":36mkbcu1] It looks like there's a red, clear and black wire out of both shielded cables. The black looks like the shield and if that is true : 2. Can you define the red and clear ? In reguards to series / parallel hookup. [/quote:36mkbcu1] Yours are FD-3 pups and can't be switched from parallel to series. For that you need the newer FD-3 4L.
13 years ago
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#11501
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Humm, I've been so busy I've not had the time to start installing that jEast EQ unit. The little book that came with the guitar says that the switch order is : Neck pickup Series pickups Parallel pickups Bridge pickup It is correct ? Maybe the book is for another guitar ? Note: the sound I get does sound like the book says..... Thanks
13 years ago
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#11502
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It is indeed so :wink:
13 years ago
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#11503
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[quote="Bill Bass":glx83cir]Humm, I've been so busy I've not had the time to start installing that jEast EQ unit. The little book that came with the guitar says that the switch order is : Neck pickup Series pickups Parallel pickups Bridge pickup It is correct ? Maybe the book is for another guitar ? Note: the sound I get does sound like the book says..... Thanks[/quote:glx83cir] That is correct. The confusion here is that you can with your AB II switch the pickups between parallel and series with each other. But each pickup is not internally switchable as the new Mach II are. That's where the four leads come in.
13 years ago
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#11505
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[quote="BurningSkies":2xsmupzx] That is correct. The confusion here is that you can with your AB II switch the pickups between parallel and series with each other. But each pickup is not internally switchable as the new Mach II are. That's where the four leads come in.[/quote:2xsmupzx] Yeah, BurningSkies and FRB have it right, as is the documentation for your bass. I misuderstood your quesiton. Perhaps you're wondering which lead (red or clear) is "hot." If so, look at the ground bus on the pickup selector switch. If a red lead from one pickup is soldered there, then the clear leads from your pups are "hot." If a clear lead is soldered there, then the reds are "hot." Hope this hasn't added to the confusion.
13 years ago
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#11506
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Ok. Internally switchable. Now I understand that part. Courious, what is the default internal wiring in my pickups ? Series ? Parallel ? Thanks
13 years ago
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#11507
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[quote="Bill Bass":kkteymgz]Ok. Internally switchable. Now I understand that part. Courious, what is the default internal wiring in my pickups ? Series ? Parallel ? Thanks[/quote:kkteymgz] The original FD-3 pickups are wired in parallel. There are two new versions available: FD-3 Mach II (which are wired in series instead) and the FD-3 Mach II 4L (to denote that they're 4-lead and switchable between parallel and series internally).
13 years ago
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#11508
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Actually, on the FD-3 Mach II only the bridge pickup is wired in series, to match the output of the neck pickup (which is still wired in parallel, just like older FD-3s).
13 years ago
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#11509
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[quote="Dragonlord":1r5qixv8]Actually, on the FD-3 Mach II only the bridge pickup is wired in series, to match the output of the neck pickup (which is still wired in parallel, just like older FD-3s).[/quote:1r5qixv8] True. But the Neck pickup is actually just and FD-3, non Mach II.
13 years ago
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#11511
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Yep, I just wanted to clarify that part because from your post one could assume that both pickups are series. I said about Mach II because that's how the new set of 2 pickups is called afaik, even if only one is different than in the past.
13 years ago
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#11512
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[quote="Dragonlord":1aapf4zo]Yep, I just wanted to clarify that part because from your post one could assume that both pickups are series. I said about Mach II because that's how the new set of 2 pickups is called afaik, even if only one is different than in the past.[/quote:1aapf4zo] I'm sure Sheldon will step in and correct, but I believe that the Mach II denotation is the fact that it is run in series internally...otherwise it's just an FD-3.
13 years ago
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#11513
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FD-1, FD-3, and Mach II pickups are all P-style in a soapbar housing. There are two coils inside the pickup. When an FD-3 has its two coils together in parallel, it's just an FD-3. With the coils together in series, it's a Mach II. When the pickup has 4 leads, it's an FD-3 4L. Sheldon designed this so that, when coupled with a switch, you can choose which type (FD-3 or Mach II) you'd rather have at any given moment. FD-1 pickups are older and similar to FD-3 pickups, with a slightly different tone.
13 years ago
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#11514
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^ What Nasty said gentlemen.
13 years ago
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#11525
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We're saying the same thing here. I just wanted to clarify that, if someone's bass has an "FD-3 Mach II" set of pickups, they are indeed FD-3s where the only difference is that the bridge pickup is internally wired in series. Reading this: [quote="BurningSkies":14ekj464]The original FD-3 pickups are wired in parallel. There are two new versions available: FD-3 Mach II (which are wired in series instead)[/quote:14ekj464] someone could have assumed that both the neck and bridge pickup are Mach II. I'm sure that if someone places a special order it is possible to get a set like that, but normally when we're talking about an FD-3 Mach II set we're only talking about the bridge pickup in series.
13 years ago
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#11534
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We decided to eliminate the confusion. All FD-3s are now FD-3 4L. We wire them bridge series (Mach II), neck parallel (Standard FD-3).
13 years ago
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#11537
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So both pickups in the new ABs are both 4Ls? In that case can you have internal switching for both of them?
13 years ago
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#11538
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I hope the ones I have ordered (FD-3 4L) will still have the two switches for internal series/parallel switching, after all I ordered them more than 2 months ago... please confirm that!
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