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Altec horn power rating??? [message #10930]

Sat, 25 April 2009 18:41

kustomoholic
Messages: 227
Registered: March 2009
Location: Tulsa,oklahoma

Senior Member

Hey does anyone know what the Altec horns were rated for power wise? Were there any difference in the drivers used for the 1-15H vs. 2-15H cabs. What kind of crossover did they come with and at what frequency did they start shunting Highs to the Horn??
Thanks.... Cool

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Re: Altec horn power rating??? [message #10937 is a reply to message #10930]

Mon, 27 April 2009 06:16

stevem
Messages: 4733
Registered: June 2004
Location: NY

Senior Member

If you go to the unoffical altec home page you can find all of this info and more!
The 802 serise of drivers as used by Kustom went down to 500 hz and was probibly crossed over at around 800 to 1000 hz.
The driver could handle 30 watts RMS down to 500 hz, a tad more when crossed over higher.Just note that with HF drivers a distorted square wave signal at 20 watts is more likly to blow the driver tha a clean signal at 35 watts!

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Re: Altec horn power rating??? [message #10938 is a reply to message #10937]

Mon, 27 April 2009 10:32

kustomoholic
Messages: 227
Registered: March 2009
Location: Tulsa,oklahoma

Senior Member

Thanks for the info.. I wasn't sure what driver it used as a number wasn't visible on back of driver in photos I have on the inside. I will check out any info I can find on the altec site.Thanks again Stevem Very Happy

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Re: Altec horn power rating??? [message #10940 is a reply to message #10930]

Mon, 27 April 2009 10:50

pleat
Messages: 1452
Registered: June 2004
Location: Belding, Mi

Senior Member

Kustom used Electro Voice Drivers on the rectangular Altec horns. 30 16 ohm watt driver.
Don

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Re: Altec horn power rating??? [message #10941 is a reply to message #10930]

Mon, 27 April 2009 11:52

kustomoholic
Messages: 227
Registered: March 2009
Location: Tulsa,oklahoma

Senior Member

So ...Ev drivers?? Are current replacement drivers available... The cabs I'm buying are in good working order. But would hate to blow one of them with out replacements available. I hear Great Plains Audio in OKC Repairs Altec stuff... Do the horns Kustom used have a Altec part # I can look for a driver for it Thanks again for the info Don
Craig

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Re: Altec horn power rating??? [message #10942 is a reply to message #10930]

Mon, 27 April 2009 14:05

pleat
Messages: 1452
Registered: June 2004
Location: Belding, Mi

Senior Member

http://archives.telex.com/archives/EV/Drivers/EDS/1823%20EDS .pdf
Here is a link to the EV site and if your Kustom cabinet has the finned driver on the back then it is the 1823 and gives all the specs, I was mistaken on power handling, it is rated at 110 watts Peak Power and the spec sheet will explain power ratings.
Don

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Re: Altec horn power rating??? [message #10945 is a reply to message #10942]

Mon, 27 April 2009 17:06

kustomoholic
Messages: 227
Registered: March 2009
Location: Tulsa,oklahoma

Senior Member

Thanks for the link...I will check it out..May not be getting those 1-15H cabs right now ...found an Ultrarare 600 Pa within driving distance with 2 302 columns all with covers...no stand but how often do those actually show up!!He wants $400 for it... Was a church Pa and wasn't beaten up gigging. It is supposed to be really clean and minty looking... we'll see of course but the horn cabs will have to wait...maybe the seller of the Horn cabs will become desparate and help lower the high...650 he's asking for the horns... They are finned drivers from one of the photos of the insides of the cabs... I still want them... Just Not at 650 for the pair..... Very Happy

Craig

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Re: Altec horn power rating??? [message #10951 is a reply to message #10945]

Mon, 27 April 2009 23:02

Shaun_Musings
Messages: 323
Registered: April 2009
Location: Reading, MA

Senior Member

Good luck, my friend =) Keep us updated on that... those are BIG amps =)

Shaun

Born on the Baaaaayou (Ok, in Massachusetts)

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Re: Altec horn power rating??? [message #10953 is a reply to message #10930]

Tue, 28 April 2009 06:08

stevem
Messages: 4733
Registered: June 2004
Location: NY

Senior Member

The early cabinets I have seen had the Altec drivers, I guess this is another issue for Less to see if he has any info on when they changed over to the EV drivers. It may be that the EV drivers where used on the higher wattage set ups?

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Re: Altec horn power rating??? [message #10955 is a reply to message #10953]

Tue, 28 April 2009 11:47

kustomoholic
Messages: 227
Registered: March 2009
Location: Tulsa,oklahoma

Senior Member

The photos I have show finned drivers but they are simply marked Kustom and nothing else on the rear of driver. According to LesS the cabs were made mid 1972 to mid 1973 time frame frome the serials I supplied him. I hope these will still be available when I get back from Springfield,Mo on family matters. I do appreciate the information all have contributed to my Kustom endeavors.. Very Happy

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Re: Altec horn power rating??? [message #10956 is a reply to message #10930]

Tue, 28 April 2009 21:32

pleat
Messages: 1452
Registered: June 2004
Location: Belding, Mi

Senior Member

I'm not sure that Kustom ever used Altec drivers, but I do know Kustom did use Atlas drivers with the siren horns. In the later years they did use some Emilar horns and EV drivers in some of the last of the hard tolex kustom horn packs.
Don

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Re: Altec horn power rating??? [message #10960 is a reply to message #10930]

Wed, 29 April 2009 06:14

stevem
Messages: 4733
Registered: June 2004
Location: NY

Senior Member

Yes, I know about the big EV drivers like we had in our mid 70s Kustom PA with 2 folded horn 2-12 EV loaded cabinets and massive EV horn drivers that where heavyer than the EV 12s!

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