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Both drivers in good working order $135. for both $11. shipping add %3 for Pay Pal. Nice upgrade

http://sfbay.craigslist.org/nby/ele/1462164264.html

[quote user="kg4guy"][quote user="PrestonTom"] I am confused about what you are attempting. Are you planning to replace the Altec 511 with the JBL 2360 horn? If so, the higher (and steeper) the crossover point on the JBL 2360 the better. These are CD horns (JBL bi-radial) with a vertical, narrow diffraction slot (required to get the CD dispersion). However at low frequencies, if a great deal of air is pushed through the slot, then it can distort to objectionable degree. So choose

I thought I would start out with this one and if I don't like it I am only out $99. rather than $300.

Photo showing smaller bolt.

Has original diaphram however one mounting bolt is smaller as the new ones I got from GPA didn't fit as the threads in the driver are smaller.$13. shipping anywhere in the USA add %3 for Pay Pal.

Don thanks for the input I am looking forward to using this as it is my first crossover of this type.

[quote user="PrestonTom"] I am confused about what you are attempting. Are you planning to replace the Altec 511 with the JBL 2360 horn? If so, the higher (and steeper) the crossover point on the JBL 2360 the better. These are CD horns (JBL bi-radial) with a vertical, narrow diffraction slot (required to get the CD dispersion). However at low frequencies, if a great deal of air is pushed through the slot, then it can distort to objectionable degree. So choose you crossover wisely. You will

Check these out I have used these and was pleased with the results .http://www.madisound.com/manufacturers/mundorf/cap-mso.php . Also check this thread out on capacitor comparison http://www.humblehomemadehifi.com/Cap.html