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NRED

LF La Scala with KP320's?

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Hi Everybody, 

 

Brand new to the forum and to Klipsch speakers. Kind of an old timer for live sound reinforcement. I like old gear!

 

I was given a pair of Industrial La Scala LF cabs and a pair of KP320's. 

 

I'd like to ask the forum for some "spiritual advice" please?

 

The main question I hope will be easy pickings for the wealth of knowledge this forum has on all things Klipsch is this:

Are these LF La Scala cabs and "full range" KP320 speakers suitable for use with each other? 

 

The second level question would be:

If used together, do these speaker pairs require an active crossover and bi-amping, or can they be "daisy chained" by connecting the the amp to the KP320's, then on to the LF cabs? 

 

Details of my investigation into these speakers follows,...

 

I have tested the KP320's by using them for front of house reinforcement. They seem to be all there. However, it appears that only the upper 1/4" input works on one of the speakers. According to what documentation I have been able to find on the KP320's, the inputs are supposed to be in parallel, so not quite sure what's happening there yet. I will open them up to take a look soon. 

 

I have only been able to test the LF cabs by meter. Both cabs have reasonable and similar resistance through the 1/4" inputs. 

Interestingly, one LF cab has binding posts, the other doesn't. The one with the binding posts apparently does not have the speaker connected to the binding post terminals, as only the 1/4" input gave a resistance. Metering the binding posts gave infinite resistance. Furthermore on the cab w/the binding posts, there are holes drilled into the terminal panel either side of the `1/4" input. 

 

Impression of the KP320's so far:

I like them quite a bit. They replaced a no-name set (SoundTech?) of similarly appointed 15" w/horn cabs. The most noticeable difference between the two was the clarity of the KP320's. They brought out details that simply weren't there with the other cabs. I love it when that happens!

 

OK, I'll press send and wait for your valued input. 

 

Thanks!

 

Neil 

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3 hours ago, NRED said:

the inputs are supposed to be in parallel,

Some people cut the jumpers on the backs of the terminal cups if they wanted to run separate amps for the LF and HF.

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Thanks very much, CECAA850!

I will have to do more digging around in there, obviously. 

I would still love some "spiritual advice" as to if the LF La Scalas will play nice with the KP320's!

'Best,

Neil 

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On 3/2/2020 at 12:45 PM, NRED said:

Hi Everybody, 

 

Brand new to the forum and to Klipsch speakers. Kind of an old timer for live sound reinforcement. I like old gear!

 

I was given a pair of Industrial La Scala LF cabs and a pair of KP320's. 

 

I'd like to ask the forum for some "spiritual advice" please?

 

The main question I hope will be easy pickings for the wealth of knowledge this forum has on all things Klipsch is this:

Are these LF La Scala cabs and "full range" KP320 speakers suitable for use with each other? 

 

The second level question would be:

If used together, do these speaker pairs require an active crossover and bi-amping, or can they be "daisy chained" by connecting the the amp to the KP320's, then on to the LF cabs? 

 

Details of my investigation into these speakers follows,...

 

I have tested the KP320's by using them for front of house reinforcement. They seem to be all there. However, it appears that only the upper 1/4" input works on one of the speakers. According to what documentation I have been able to find on the KP320's, the inputs are supposed to be in parallel, so not quite sure what's happening there yet. I will open them up to take a look soon. 

 

I have only been able to test the LF cabs by meter. Both cabs have reasonable and similar resistance through the 1/4" inputs. 

Interestingly, one LF cab has binding posts, the other doesn't. The one with the binding posts apparently does not have the speaker connected to the binding post terminals, as only the 1/4" input gave a resistance. Metering the binding posts gave infinite resistance. Furthermore on the cab w/the binding posts, there are holes drilled into the terminal panel either side of the `1/4" input. 

 

Impression of the KP320's so far:

I like them quite a bit. They replaced a no-name set (SoundTech?) of similarly appointed 15" w/horn cabs. The most noticeable difference between the two was the clarity of the KP320's. They brought out details that simply weren't there with the other cabs. I love it when that happens!

 

OK, I'll press send and wait for your valued input. 

 

Thanks!

 

Neil 

pictures would be very helpful

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Pro gear is often abused so loose wires, fried drivers, frozen voice coils, burned up parts on crossovers you name it and it could be there. You buy old pro gear you need to open them up and check it all out.

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On 3/8/2020 at 11:36 PM, Dave A said:

Pro gear is often abused so loose wires, fried drivers, frozen voice coils, burned up parts on crossovers you name it and it could be there. You buy old pro gear you need to open them up and check it all out.

and always ,  before you buy them ,  always insist on hearing them play --------and check them  fully

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On 3/2/2020 at 12:45 PM, NRED said:

 

I was given a pair of Industrial La Scala LF cabs and a pair of KP320's.

that does not happen too often -------------

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On 3/8/2020 at 10:36 PM, Dave A said:

You buy old pro gear you need to open them up and check it all out.

I bought a pair of KP-301 II's at one point.  One crossover was correct and one was for a plain KP-301.  Both crossovers had parts falling off the board but they both played.  The tweeters had different diaphragms from each other.  You never know what you're going to get.

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