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Altec driver replacement [message #27579]

Sun, 10 November 2019 08:56

johnnysynth
Messages: 46
Registered: June 2018

Member

This emminence driver handles 80W with frequency response of 1.2K to 20K
It probly bolts right up to an Altec 811B horn which
looks like what was in the old T&R cabs equiped with HF drivers.
Don't really know what Bud used for a crossover. The
Altec brand would have probly been a N800-D 800hz unit.
I'm going to try this out myself so I thought I'd put this
idea out here for discussion. The mystery is. . .what X-over
to use?
I'm trying to'PUT' one
of these cabs together from separate modern parts
to wind up with the original T&R cab but with
JBL K130's and one of these modern Emminence drivers.
By theory at least it should kick ass.
Jake Welsh- johnnysynth@yahoo.com

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Re: Altec driver replacement [message #27580 is a reply to message #27579]

Sun, 10 November 2019 15:35

pleat
Messages: 1454
Registered: June 2004
Location: Belding, Mi

Senior Member

The altec horn uses screw on drivers. Kustom used a simple 4mf cap on the siren cabs and the altec horns they used 10mf cap. The 10mf would cross around 1K and the 4mf crosses around 2K.
pleat

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Re: Altec driver replacement [message #27581 is a reply to message #27580]

Mon, 11 November 2019 07:41

johnnysynth
Messages: 46
Registered: June 2018

Member

Thanks for the info about the HF drivers/crossovers. Did they use an Altec 806 driver coupled to the 811B horn?
If they did, that would have required a pretty deep cab to accomodate that set-up. I'm looking for
the original T&R cab that had two 15's and the sectoral horn used with the 250-4 amp. I have the
250-4 (black) and it's fantastic. Can't wait to couple it up with the right speaks.
Jake Welsh
johnnysynth@yahoo.com

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Re: Altec driver replacement [message #27583 is a reply to message #27581]

Mon, 11 November 2019 15:53

pleat
Messages: 1454
Registered: June 2004
Location: Belding, Mi

Senior Member

kustom was using Atlas PD5VH mid drivers and eventually switched over to the EV 1823 mid driver when Kustom became the EV distributor for microphones and speakers.

pleat

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