chassell Posted January 21, 2022 Share Posted January 21, 2022 I've got a mixed set of KP-301s that I'd like info on, if available. The serial numbers are 048393859 and 280293216. Thanks! Quote Link to comment Share on other sites More sharing options...
jjptkd Posted January 21, 2022 Share Posted January 21, 2022 1 hour ago, chassell said: I've got a mixed set of KP-301s that I'd like info on, if available. The serial numbers are 048393859 and 280293216. Thanks! What info are you looking for? Here are the specs: Early 301 specs K-48-K, K-57-K w/K-601 horn and K-79-K Response is solid down to 36 Hz, highs extend beyond 20k. max wattage 200. B is the same as the A without trim or handles. Crossover type KP3.0A Points...650 Hz and 7 kHz. 101 dB SPL with 2.83 v input measured in a 100 cubic meter room at 1 meter. Max SPL 124 dB at max continuos power rating of 200 watts 82 lbs 1 Quote Link to comment Share on other sites More sharing options...
chassell Posted January 21, 2022 Author Share Posted January 21, 2022 2 minutes ago, jjptkd said: What info are you looking for? Here are the specs: Date of manufacture mostly. Both are 301As. One has holes in motorboard for grill attachment, the other doesn't. Quote Link to comment Share on other sites More sharing options...
JRH Posted January 21, 2022 Share Posted January 21, 2022 Pro records are sparse. I do not have date of manufacture on KP and newer products. 2 Quote Link to comment Share on other sites More sharing options...
geoff. Posted January 21, 2022 Share Posted January 21, 2022 @chassell, I recently picked up a mixed set for repair. Different motorboards. Same crossovers. Bit it looks like the K-48s are different. One is(was, its trashed) pro vented and the other is the same one used in the Chourus without the vent. Have no idea if this was stock. Do yours have different woofers? 1 Quote Link to comment Share on other sites More sharing options...
chassell Posted January 22, 2022 Author Share Posted January 22, 2022 Can someone give me approximate dates? When were KP-301s manufactured? When did Klipsch switch from the KP-3.0A to the K-3.0B balancing network? (mine are KP-3.0Bs) Quote Link to comment Share on other sites More sharing options...
jjptkd Posted January 22, 2022 Share Posted January 22, 2022 14 minutes ago, chassell said: Can someone give me approximate dates? When were KP-301s manufactured? I believe they started mid '80's right after the CP-1's (pro Cornwall II's) similar in time with the transition from the HIP's to KP-250's. The "II" series didn't start until 2000, not sure if the originals were produced the whole time or not. 1 Quote Link to comment Share on other sites More sharing options...
OO1 Posted January 22, 2022 Share Posted January 22, 2022 On 1/21/2022 at 8:20 AM, chassell said: I've got a mixed set of KP-301s that I'd like info on, if available. The serial numbers are 048393859 and 280293216. Thanks! these Speakers were both Made in the early 90's Serial no- 048393859 / 1993 Serial no- 280293216 / 1992 1 Quote Link to comment Share on other sites More sharing options...
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