Edgar Posted July 17, 2022 Posted July 17, 2022 47 minutes ago, ClaudeJ1 said: Joking aside, using a sine wave signal at 80% rated power should break in a woofer in about 10 minutes or less. @ClaudeJ1, did you intend to say 80% rated power or 80% max excursion? Quote
ClaudeJ1 Posted July 18, 2022 Posted July 18, 2022 8 hours ago, Edgar said: @ClaudeJ1, did you intend to say 80% rated power or 80% max excursion? 80% excursion, yes. Too much of a good thing before posting hastily. Quote
Klipsch Employees Chief bonehead Posted July 18, 2022 Klipsch Employees Posted July 18, 2022 For the jub, we break in the all the woofers and compression drivers in the lab. We also match the drivers for a pair. Shhhh!!! That’s a a secret. 5 1 3 Quote
Edgar Posted July 18, 2022 Posted July 18, 2022 9 hours ago, ClaudeJ1 said: 80% excursion, yes. Too much of a good thing before posting hastily. Yes; sine waves at 80% rated power for 10 minutes would have the police visiting what was left of your house. 😀 2 Quote
Schu Posted July 18, 2022 Posted July 18, 2022 hand picking/matching is what we expect from the Klipsch excellence... Running in is eh... Quote
OO1 Posted July 18, 2022 Posted July 18, 2022 Woofers and Compression Drivers do require a break-in ...it is now officially confirmed . Quote
Schu Posted July 18, 2022 Posted July 18, 2022 Confirmation that an equilibrium, that falls/settles into a specification range, was needed? Quote
Islander Posted July 18, 2022 Posted July 18, 2022 4 minutes ago, Schu said: Confirmation that an equilibrium, that falls into a specification range, was needed? You could also look at it as extended quality control, that the factory is absolutely positively sure that the speakers are within spec and ready to be fully enjoyed the minute they come out of their boxes. Some car manufacturers also run in their engines before delivery, so their full performance is available from the minute they’re delivered. Ferrari and Bugatti come to mind. Premium products aren’t distinguished only by their superior performance. The more thoughtful before- and after-sales service is part of the premium buying experience. Quote
Klipsch Employees Chief bonehead Posted July 18, 2022 Klipsch Employees Posted July 18, 2022 29 minutes ago, Schu said: Confirmation that an equilibrium, that falls/settles into a specification range, was needed? Correct! Quote
ClaudeJ1 Posted July 18, 2022 Posted July 18, 2022 12 hours ago, Chief bonehead said: For the jub, we break in the all the woofers and compression drivers in the lab. We also match the drivers for a pair. Shhhh!!! That’s a a secret. It's probably the only way to achieve tighter R and L channel tolerances by recurving, selecting, and matching (to get twin mids and quadruplet woofers) right? But that's a secret too. Quote
Klipsch Employees Chief bonehead Posted July 20, 2022 Klipsch Employees Posted July 20, 2022 On 7/18/2022 at 9:44 AM, Schu said: Confirmation that an equilibrium, that falls/settles into a specification range, was needed? Always is. 1 Quote
Klipsch Employees Chief bonehead Posted July 20, 2022 Klipsch Employees Posted July 20, 2022 On 7/18/2022 at 10:30 AM, ClaudeJ1 said: It's probably the only way to achieve tighter R and L channel tolerances by recurving, selecting, and matching (to get twin mids and quadruplet woofers) right? But that's a secret too. The drivers and woofers are very close to our standard curve. I just wanted to add that extra touch in matching them. 3 Quote
Klipsch Employees Chief bonehead Posted July 20, 2022 Klipsch Employees Posted July 20, 2022 Anybody seen or heard from Michael? Quote
MMurg Posted July 20, 2022 Author Posted July 20, 2022 31 minutes ago, Chief bonehead said: Anybody seen or heard from Michael? Which Michael? Quote
MMurg Posted July 20, 2022 Author Posted July 20, 2022 The final Jubilee puzzle – What to do with the boxes? I didn’t have a place at my house for them unless I wanted them to occupy a bedroom or unless I threw out a bunch of stuff in the garage. Luckily, my ex-wife graciously offered to let me store them in the huge basement in her house. So, they made the trip (well, two trips) today in a pickup rented from Lowes. They now sit next to the boxes for the Forte originally owned by my ex-wife’s father that are now in her living room. Caesar the cat is unsure about this incursion into his empire. 😊 2 1 Quote
ClaudeJ1 Posted July 20, 2022 Posted July 20, 2022 39 minutes ago, Chief bonehead said: The drivers and woofers are very close to our standard curve. I just wanted to add that extra touch in matching them. For a flagship product, dotted i's and crossed t's is a good idea. Right on bro! Quote
ClaudeJ1 Posted July 20, 2022 Posted July 20, 2022 On 7/17/2022 at 1:16 PM, Edgar said: @ClaudeJ1, did you intend to say 80% rated power or 80% max excursion? 10% rated power should be enough to get adequate excursion, usually. I usually just turn up the gain until they wiggle a lot. 1 1 Quote
Edgar Posted July 20, 2022 Posted July 20, 2022 6 minutes ago, ClaudeJ1 said: I usually just turn up the gain until they wiggle a lot. Good advice in so many circumstances ... 1 3 Quote
Marvel Posted July 20, 2022 Posted July 20, 2022 1 hour ago, MMurg said: So, they made the trip (well, two trips) today in a pickup rented from Lowes. Do you also have Walmarts? I found it interesting to go to a huge Walmart in Nanchang, Jiangxi, China. So different, yet so much the same. It's nice you get to store the boxes. I kept the boxes for my (much smaller) JBLs and used them when making over a dozen moves over 25 years. Still have the JBLs but finally let the boxes go. 1 Quote
Khornukopia Posted July 20, 2022 Posted July 20, 2022 14 hours ago, MMurg said: What to do with the boxes? ... Luckily, my ex-wife graciously offered to let me store them in the huge basement in her house. That's convenient! 1 Quote
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