OO1

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by ohms do you mean klipscHorns

there's 1 sure way to determine if you have a Klipsch Shorthorn Model S utility cabinet - an unfinished cabinet would have these dimensions .... Height 36 .75" , Width 24" , Front to corner 22" - a finished cabinet would be slightly larger ..... H-37" - W 25.5" - Front to corner 23.25"

I hear you , if I see something , I'll send it your way

the R300 has 1 great review with 2 different klipsch speakers https://www.stevehuffphoto.com/2022/10/08/willsenton-r300-tube-integrated-amp-review/

there is no need to modify the HII crossover to add a bandpass filter , the bandpass filter is separate from the H II crossover

there is no reply from this FB listing , ..so far , 0 response

you dont really have to mod the existing crossover for TItanium mids diaphragms , you can purchase the complete driver K-53-TI from klipsch Parts

Chorus fit perfectly , if they dont , simply remove the risers..........or raise the TV by 1 inch

the Chorus II K-48 woofer is a klipsch designed woofer ( discontinued ) , good news is you can buy the direct replacement K-48-ST 15" woofer from klipsch Parts

Chorus II would be interesting if you can find speakers in very good condition with no need for repairs the Chorus dimensions are roughly 4 inches higher x 2 inches wider x 2 inches deeper vs a Forte II , finally the price , the Chorus and the Forte seem to be selling for pretty much the same prices lately.

the Shorthorn you have is a 15 inch Utility cabinet , the crossover has a klipsch tag dated 1956 with the model K-1000/5000 , the signature appears to be Lloyd McClellan , PWK's 1st employee - the tweeter is the University 4401 - the Midrange metal horn is a K-1000 , the midrange driver is the University SAHF - the woofer is the cast University C15W 15 inches dual voice coil ,dual spider piston woofer .

Gentec are the klipsch Canadian distributor , they call the AL-5 , the Lascala III for the Canadian market , and most Canadian dealers have switched to the LS III designation , there 's a Dealer in Nova Scotia who uses both designations which makes more sense ( La Scala III / AL5 ) https://glubes.ca/product/klipsch-heritage-series-speakers-la-scala-iii-al5/

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NHL / NBA buildings use Crown I-Tech Series and DCi Series amplifiers, the DCi Series amplifiers are Class D chip amps and they sound just as fantastic in a home that in a rink

yes , it plugs into any available HDMI connection on the receiver

yes , it plugs in the back of a TV or a receiver

high

, the Crown Reference Studio Reference I or II have a Damping Factor: of >20,000 from 10 Hz to 400 Hz.

the speaker grille and mounting points on the motorboard do not look to be home made

Mark Levinson is owned by Harman since 1990

these are not 1963 Heresy speakers , a 1963 would have different dimensions ,plus the midrange horn is for a 1967 and up speaker

the Topping PA5 amps have an extremely high failure rate , these are cheap amps from China built for the short term + they are not repairable , once the warranty expires , you're 329$ for the PA5 II PLUS -the Fosi are even lower quality . I would recommend you to avoid these 2 amps you can buy a high end Yamaha A-S 301 60wpc @8 Ohms for 350$ including an exceptional preamp or a Yamaha A-S 501 for 550 $ 85 wpc @8 Ohms , both these stereo amps will last a lifetime of worry free operation . https://usa.yamaha.com/products/audio_visual/hifi_components/a-s301/index.html https://usa.yamaha.com/products/audio_visual/hifi_components/a-s501/specs.html#product-tabs