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Something Between GHS P Flats and Roto 77 Flats?

(Edit: EB's table for Group I has the string gauges listed wrong though I suspect the listed pounds of tension correctly correlate to the real string gauges in Group I--55-75-90-110)

An aside--string tension information for Ernie Ball Group I and Group II flats.

Screenshot 2024-01-05 at 9.24.03 AM.png
 
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Good catch. They just sent that to me about 25 minutes ago.

Group I is 55-75-90-110, not 45-65-80-100; therein lies the problem.

I'll let them know their spreadsheets are crossed up.
It happens.
For one, those for D'Addario Half-Rounds are a mess, and they publish them:

here's the 45-65-80-100 set
45-100 Regular Light, Long Scale, XL Half Rounds Bass Guitar Strings | ENR71 | D'Addario
where the tensions for the A and E may have been shifted, and be the actual ones for the 100 and 130 from the 5- and 6-string sets
45-130 Regular Light 5-String, Long Scale, XL Half Rounds Bass Guitar Strings | ENR71-5 | D'Addario
30-130 Regular Light 6-String, Long Scale, XL Half Rounds Bass Guitar Strings | ENR71-6 | D'Addario
Mistake caught, no?

Weeell, there's also the thing about the 50-70-85-105 set, whose largest two strings reportedly have *lower* tensions than the 80 and 100
50-105 Medium, Long Scale, XL Half Rounds Bass Guitar Strings | ENR72 | D'Addario
ans so have been reported ever since the revised (from the old chart) tensions were first published on the website in the synoptic, "family" tension tab:
D'ADDARIO-ENR71S-ACCLAIM-DI5.jpg

Is it a mistake, or are those 85 and 105 actually built to be less massive than their one-gauge-down counterparts? And if so, why?

I've thought of asking them about it, but I'm not going to get Half-Rounds anytime soon, so I've indefinitely postponed the enquiry / heads-up email. (If anyone's up to it, by all means be my guest.)
 
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It happens.
For one, those for D'Addario Half-Rounds are a mess, and they publish them:

here's the 45-65-80-100 set
45-100 Regular Light, Long Scale, XL Half Rounds Bass Guitar Strings | ENR71 | D'Addario
where the tensions for the A and E may have been shifted, and be the actual ones for the 100 and 130 from the 5- and 6-string sets
45-130 Regular Light 5-String, Long Scale, XL Half Rounds Bass Guitar Strings | ENR71-5 | D'Addario
30-130 Regular Light 6-String, Long Scale, XL Half Rounds Bass Guitar Strings | ENR71-6 | D'Addario
Mistake caught, no?

Weeell, there's also the thing about the 50-70-85-105 set, whose largest two strings reportedly have *less* tensions than the 80 and 100
50-105 Medium, Long Scale, XL Half Rounds Bass Guitar Strings | ENR72 | D'Addario
ans so have been reported ever since the revised (from the old chart) tensions were first published on the website in the synoptic "family" tension tab:
View attachment 5307216
Is it a mistake, or are those 85 and 105 actually built to be less massive than their one-gauge-down counterparts? And if so, why?

I've thought of asking them about it, but I'm not going to get Half-Rounds anytime soon, so I've indefinitely postponed the enquiry / heads-up email. (If anyone's up to it, by all means be my guest.)

I'm not surprised that's the case based on what I found first-hand working in a different industry category of product and production but with characteristics of scale and organization that are similar enough.
 
Dunlop flats ... but not the other problems that have come with them
Hey @Grinderman!
What problems have you had with the Dunlops? I've been using them more lately....

I've got P's strung with GHS & Rotos.
In between, I just strung a Tele Bass with DR Legends - and I'm liking them a lot.
They must've changed them in the past year or so, because they're a little past the Dunlops on the brightness scale so far - just the opposite of what I've been reading - but they do respond well to the tone knob.

I'm not the one to comment on tension; other than TIs being noticeably low tension and the Rotos being on the stiffer side, I don't pay much attention to whatever is in-between (and I use a lot of different "whatevers"!);)
 
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Hey @Grinderman!
What problems have you had with the Dunlops? I've been using them more lately....

I've got P's strung with GHS & Rotos.
In between, I just strung a Tele Bass with DR Legends - and I'm liking them a lot.
They must've changed them in the past year or so, because they're a little past the Dunlops on the brightness scale so far - just the opposite of what I've been reading - but they do respond well to the tone knob.

I'm not the one to comment on tension; other than TIs being noticeably low tension and the Rotos being on the stiffer side, I don't pay much attention to whatever is in-between (and I use a lot of different "whatevers"!);)

I like how the Dunlop flats sound, respond, and feel, but then frustratingly I went through a pile of sets in a row with G strings that would not intonate... then suddenly their prices went through the roof and that's when I moved on.

I transferred my well-broken-in thumpy GHS P flats from one of my P basses to my Jazz bass to try and I think I like that combination for the time being.

I like stiffer strings so that generally means strings with hex cores. DR Legends have round cores.
 
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