Dumb question re: Paragon

[LE15-Thumper]

Did jbl ever think of adding an 077 or 075 to top out the high end on these ?

Why or why not ?

[pelly3s]

i believe there was an 075 on each side of them

[pelly3s]

http://www.audioheritage.org/images/jbl/extracts/section.jpg

yup i was right

[johnaec]

Quote: JBL 075 Ring Radiator "Overtone Reproducer" - that's a new, (old?), term... :p

John

[Jan Daugaard]

You can see the location of the 075 here: http://audioheritage.org/images/jbl/extracts/section.jpg

There are 2 problems with this arrangement:

-- a comb filter effect because of the large distance between the mouth of the 375/H5038 combo and the 075.

-- a difference in dispersion which is 120° below 7 KHz (the cross-over frequency) because the sound from the 375/H5038 combo is reflected by the curved panel, while the dispersion above 7 KHz is about 30° because the 075 is direct radiating.

Given the extended frequency range of the later 376/2441, it would probably be an improvement to switch the 075 off.

[LE15-Thumper]

Never saw the tweeter in pics so I thought it was a two way like the Hartsfeild etc..