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RE: Altec Lansing 19 Spekaer Re-Cap Advise

Posted by Steve O on June 12, 2017 at 16:42:35:
From the pic you posted, your 19s are missing the foam inserts that surround the horn. They need to be replaced for best results. Also keep in mind that the M19 xover is unconventional esp as implemented in the HF section. One of the apparent "L" pads is actually wired as a rheostat in the common leg of the "bridged T" HF eq network to vary midrange depression.

Much about the 19 has been discussed at the Audio Karma site by the late, great "Zilch". Worth a search over there where you'll also find his mods to the xover under the "Z19" designation. Educational even if you stay stock. Also much info at the Lansing Heritage site but tough to navigate (IMO).