Okay thanks for clarifying and also to Skeptikal for sharing 
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The issue is in your assumption, not the conclusion. Surely no wire connection can be perfectly transparent.
Mark
Actually, I was bothered about this! Well, intrigued, at least. Thank you for this, @Skeptikal - that explanation makes a lot of sense, so I now can be bothered getting on my hands & knees and trying this out for myself.
Mark
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I’m Skeptikal about this.
Won’t the crossover inductors, capacitors, resistors……… create different impedances between amp and drive units. 
Although, when I get my amps serviced I’ll definitely be trying it.
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Don’t be Skeptikal just try it as a free tweak. 
The guy that designed the speakers is qualified enough to listen to.
Give it a go nothing to lose. 
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I was Sceptical, and my dealer on several occasions had said to use the LF plugs, but I tried diagonal and it’s better - no doubt. To the extend that I’m slightly bemused I didn’t do it earlier.
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IMO, less connections is better. Speakers with bi-wiring post is a fashion. I do not understand how doubling the connections in a passive crossover could help. You will not get more juice from a single amplifier. Bi-amping could help using bi-wiring for
a passive speaker but look at what is involved. Two amps, the doubling of speaker wires, without counting the increase load for the preamplifier.
For the money involved it would make more sense buying better single post loudspeakers and/or a better amplifier.
I’ll just pop to the shop and get those now.
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I’m not sceptical about the effect, just about the reason given for the effect.
Matching impedance between amp and drivers and better isolating of emf seems a plausible explanation to me.
My dealer advised this diagonal set up when I bought mine. I’ve never messed with it. It seems people favour wired jumpers over the bars though? Maybe I’ll have a fiddle about…
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In fairness you’d have to presume that Phil Budd, given his position in Linn, knows what he’s on about. I can see the logic re the impedance as both drivers will have an equal signal path, I dont know enough about back EMF but I’m sure technically it makes sense. I suppose the real question is whether the difference is discernible or if it’s just conscious bias. I’ve changed mine to diagonal and it does sound good but better I’m not sure, either way they’re staying that way. Thanks to Skeptical for the tip.
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But isn’t he suggesting the jumpers effect impedance, but capacitors, inductors, resisters used in the crossovers don’t.
yes they do but by design
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Looks like you have the reverse set up currently if top speaker terminals are HF. Interesting to hear back your findings if you do choose to swap’em around. Best.
Worth trying red to treble, black to bass.
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You ask about jumper leads rather than standard supplied links - I use chord signature jumpers which imo give a nice uplift in SQ but there is a cost in that tweak but relatively good value 
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I’d certainly describe it more as different rather than better, in my case it does sound tighter on the bottom end and more energised on the top end. Also as I’ve had it wired “bass first” forever my ears will need a while to adjust regardless.
It seems I have to up the volume a little as well but may just be me thinking it needs that based on the change in presentation.
I’ll give it a week and see if I prefer it or not!
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Hi
Your picture shows them the opposite way round from suggested.
Give it a go it’s free and doesn’t matter if you use the basic plates or fancy jumpers it’s the direction of flow that matters.
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