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Author Topic:  Pick ups
Keith Currie

 

From:
Shellbrook, Saskatchewan, Canada
Post  Posted 28 Dec 2023 10:46 am    
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What is a good reading for the ohms of a 705 steel P/u
It is the old chrome type.
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Jerry Overstreet


From:
Louisville Ky
Post  Posted 28 Dec 2023 12:00 pm    
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Jerry Overstreet wrote:
The original chrome BL705 had a DC resistance of around 19,500 ohms. There were also 605, and 805 models and they all looked the same. Sometimes there would be a sticker on the plate or pkg. to define the model.

I had some of all of them over the years [except the rosewood 505], but I've never used the current 705 so I can't offer any comparison help.

Here's a snip from a Mar 03 2008 thread about the original BL pickups with some insight from the late John Fabian re: those.

John Fabian wrote:
The first number of the x05 series indicated different impedances and resistances running from lowest to the highest. lower numbers tend to be brighter while higher numbers tend to be mellower.

705 - approximately 18K-21K Ohms, 15H inductance
805 - approximately 26K Ohms, 21H inductance
605 - approximately 15K Ohms, 11H inductance
505 - approximately 12K Ohms, 7.5H inductance

This numbering system does not hold true for the modern Lawrence pickups (710, 716, 910, etc.) The first number indicates construction and the second two numbers indicate impedance in Henrys.
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Keith Currie

 

From:
Shellbrook, Saskatchewan, Canada
Post  Posted 28 Dec 2023 2:40 pm    
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Thanks really good info.
So how do people feel about comparing the 705 and the 710?
Are there really much difference between the two?
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Quentin Hickey

 

From:
Nova Scotia, Canada
Post  Posted 28 Dec 2023 3:00 pm    
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Alot of diference to my ears Keith. The 710 is alot more aggressive/hot. To me they have more clarity
I think 705 has a little more upper midrange and less high frequency response.
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Keith Currie

 

From:
Shellbrook, Saskatchewan, Canada
Post  Posted 28 Dec 2023 3:09 pm    
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Best be happy with the 710s I guess, there sure not bad.
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Quentin Hickey

 

From:
Nova Scotia, Canada
Post  Posted 28 Dec 2023 3:40 pm    
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Are you thinking about switching up?
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Keith Currie

 

From:
Shellbrook, Saskatchewan, Canada
Post  Posted 28 Dec 2023 3:43 pm    
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I have a 705 and keep thinking I should try it but Paul always told me it wasn’t worth the effort.
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Quentin Hickey

 

From:
Nova Scotia, Canada
Post  Posted 28 Dec 2023 3:46 pm    
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I think you should go for it just to satisfy your curiosity. Doesn't take long to swap them back if you aren't happy. Personally, I'mhappy with my 710s on my fess. The are clean, hot,grainy, edgy, expressive, sustain, everything I want depending on my mood lol.
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