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[Walter Wright]

forget regular mixer inputs or passive direct boxes, you'll lose way too much signal.

it sounds like K&K is suggesting the lower range of "high impedance" inputs so that they do cause some loss from mis-match, some low end loss in particular.

if you already have the para DI, just use it, confident you're getting no loss (except from the cable between the pickup and the box), and EQ to taste.

besides, the para DI will let you insert stuff after its input and before its XLR out, very useful for EQ pedals and stage tuners.

[Guy Johnson]

Can you not go into a shop selling K+K boxes with your Baggs, and try that, and a K+K box, if you are worried?

Or, you could put the money otherwise spent on a quite probably not needed new DI, towards having a killer amp like an AER, that sounds great, and has a balanced XLR out to hook up to a PA when needed.

One final thought on acoustic guitar pickups, Taylors and Martins included: They often have a Huge Amount of HF information, and anything that dulls that a tad may well be a good thing! The times I have to dial HF off such signals are legion, in order not to have people wince at the 'bag-of-nails' sounds ... let alone have the guitar sound nice or sit well in a mix!

[Walter Wright]

Guy Johnson wrote on Mon, 28 December 2009 15:53

One final thought on acoustic guitar pickups, Taylors and Martins included: They often have a Huge Amount of HF information, and anything that dulls that a tad may well be a good thing! The times I have to dial HF off such signals are legion, in order not to have people wince at the 'bag-of-nails' sounds ... let alone have the guitar sound nice or sit well in a mix!

well, the mismatch being referred to here is with piezo pickups, where the loss is in the low end. too-low an input impedance makes a passive piezo sound scratchy and thin.

it's with magnetic pickups that too low of an input impedance causes high end dulling. i want to say it's a capacitive vs. inductive thing.

besides, just about any plugged-in acoustic guitar you're going to run into on stage that's remotely "professional" will have an onboard preamp, rendering this whole discussion moot.