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Apogee Scintillas and how to change from 4 to 1 oh

I just bought a pair of Apogee Scintilla's a 1 / 4 ohm . Not sure how to hook up for either 1 or 4 ohm. The manual seems to be missing how to switch from one to the other. Is it moving the wires on the binding posts-internally or is it putting a jumper across etc. the manual doesn't show what wires are to which binding posts internally that needs to be changed if that is the case.
I am using a Sunfire signature amp with bi wiring if I wish..or just with the normal pair of outputs with a jumper wire between the sets of binding posts per speaker??
northern

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joeinid
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The early Scintillas were were configurable for a 1 or 4ohm load, the later models were 1ohm only (from 1987 approximately). While the 4ohm setting on the earlier models made the Speaker considerably easier to drive, according to the reviewers in doing so lost some of it's "magic".

They two models can easily be identified:
The 1 and 4ohm model has cuts in the bass panel spaced approx ¾" apart measured vertically
The 1ohm only model has cuts spaced approx 1½" apart (double the normal cut spacing).

Not sure if there is jumper inside or not.
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