Springfield pick up
Sun Mar 17, 2019 4:35 pm
In response to new member Kevin's request for information on his recently acquired Springfield twin neck with a dodgy wiring switch, I checked my 10 string non pedal console for pick up impedance, I also discovered a lot of corrosion around the output Jack and switch.
This will be repaired this week sometime with new parts and some TLC, the guitar is at least 42 years old 20 of which were spent under the floor in a case and wrapped in polythene, corrosion was not a surprise but the fact that it still works is!
The impedance on the first tap from the split winding was 9.75 ohms and the second gave a reading of 13.75 ohms,
I have a similar unused pick up that's been in a bag for 40 odd years
but that only reads at 6.05 ohms on one tap and 12.65 ohms on the second tap.
Has the unused pup lost magnetism giving a lower reading?
Or could it just be down to the fact that both pups were hand wound ( on a machine ) and different values are to be expected ?
Any information on the subject would be appreciated, but the guitars a good one and probably a " keeper "
( for this week at least )
This will be repaired this week sometime with new parts and some TLC, the guitar is at least 42 years old 20 of which were spent under the floor in a case and wrapped in polythene, corrosion was not a surprise but the fact that it still works is!
The impedance on the first tap from the split winding was 9.75 ohms and the second gave a reading of 13.75 ohms,
I have a similar unused pick up that's been in a bag for 40 odd years
but that only reads at 6.05 ohms on one tap and 12.65 ohms on the second tap.
Has the unused pup lost magnetism giving a lower reading?
Or could it just be down to the fact that both pups were hand wound ( on a machine ) and different values are to be expected ?
Any information on the subject would be appreciated, but the guitars a good one and probably a " keeper "
( for this week at least )
- Attachments
-
-
Re: Springfield pick up
Fri Apr 05, 2019 8:04 am
Contact James Kerr, (you should be able to find him in the members list,) He built those guitars so he can tell you everything about them. Cheers.
Re: Springfield pick up
Fri Apr 05, 2019 10:12 am
Shakey
If I had cut out the guff my basic question is
" The impedance on the first tap from the split winding was 9.75 ohms and the second gave a reading of 13.75 ohms,
I have a similar unused pick up that's been in a bag for 40 odd years
but that only reads at 6.05 ohms on one tap and 12.65 ohms on the second tap.
Has the unused pup lost magnetism giving a lower reading?
Or could it just be down to the fact that both pups were hand wound ( on a machine ) and different values are to be expected ? "
The unused pickup has lower values and I was wondering if it was because it had never been used and lost some of it's magnetism, or is it just a lower value pickup?
The guitar in question is a home made plank with a Springfield pickup that I bought from Jimmy, I made it up to see if
I could get my head around 10 strings, I had a Springfield single ten custom built a couple of years later
Cheers Robert
If I had cut out the guff my basic question is
" The impedance on the first tap from the split winding was 9.75 ohms and the second gave a reading of 13.75 ohms,
I have a similar unused pick up that's been in a bag for 40 odd years
but that only reads at 6.05 ohms on one tap and 12.65 ohms on the second tap.
Has the unused pup lost magnetism giving a lower reading?
Or could it just be down to the fact that both pups were hand wound ( on a machine ) and different values are to be expected ? "
The unused pickup has lower values and I was wondering if it was because it had never been used and lost some of it's magnetism, or is it just a lower value pickup?
The guitar in question is a home made plank with a Springfield pickup that I bought from Jimmy, I made it up to see if
I could get my head around 10 strings, I had a Springfield single ten custom built a couple of years later
Cheers Robert