jason.justice
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Posts posted by jason.justice
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7 minutes ago, wuzzzer said:
Phone db meters are not anywhere close to accurate.
How far away is your phone from the speaker when you're measuring?
Also, you'll need to know the input voltage to the amp to understand how much power the amp is putting out.
I found a pretty reputable iPhone app for measuring decibels. I know it’s not perfect.
do you know of any resources that would show me how to test that everything is performing as it should?
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Confirmed with Crites that these speakers should ~98db efficient. Replaced caps and tweeters from Crites.
Paired them with a 20wpc Schiit Aegir and Freya +.
with volume set to 3 o clock position, I’m getting peaks of about 98db using a decibel meter on my phone.
Does this sound like the speakers are functioning properly?
maybe I’m missing something but I keep reading on here about people who power their vintage Klipsch with very low power thanks to the sensitivity.
is it expected that I would have to crank a 20w amp?
(please take it easy on me, I’m still trying figure this all out)
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mine look very different. need to get a pic for y'all.
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3 minutes ago, Budman said:
all the cornwalls i've owned came with risers with 4 metal round feet.
decorator cornwalls didn't come with risers and i can't remember if mine had the metal feet on them or not
that's exactly what they are but i have no riser. mine are not decorator series. i will leave them thank you!
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I can't get a picture right now but wanted to ask. My pair of 1983 Cornwall 1.5s have round metal feet on the bottom. There is no riser. Is this stock? I'm assuming the previous owner added them and I can remove.
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31 minutes ago, jimjimbo said:
Everyone makes mistakes......Don't assume everything is good. Your CW are more efficient than your previous speakers.
i guess i'll check with crites.
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1 hour ago, jimjimbo said:
Cap break in is BS.
Most likely you have a cold solder joint or you incorrectly installed the caps. Check all of your connections.
I can't imagine we did anything wrong. My friend that helped builds speakers and components and he followed the Crites schematic.
Is there any reason why these speakers would need more volume from my rega? bad pairing between amp and speaker? -
Hi everyone. I'm going to keep my questions in this same thread as the topic still applies.
Over the weekend I replaced the a bad tweeter and did the recap of my CW 1.5s. We hooked them up to my current integrated, a Rega Brio which is class a/b (I think) and 50 WPC.
Now, I usually run that amp with a pair of Polk RTI-A3 (89db sens. / 8 ohm). With those bookshelves I hardly ever turn the knob past 9oclock.With the much more sensitive Cornwalls, I actually to turn the knob to 10 or higher to get enough volume. I will say that I think this amp is not a good match as it just didn't sound great. Very cold.
Any thoughts on this? I was thinking I wouldn't have to turn up the volume as much with the CWs.
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Thanks BB!
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I believe these are from 1973 but I don't recognize the finish code: "DR"
Designers Rosewood?
What is the "15"? TIA
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4 hours ago, billybob said:
Another option is in the garage sale section here. A Yamaha 801... thanks.
this 801 has more options than i need. i'm not interested in a dac, blue tooth or internal phono stage.
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anyone on this thread using a single aegir in a large size room with high efficiency speakers? i'm trying decide if single is enough for large room application.
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So yeah. Again I'm asking the wrong question. but for anyone who wants to test these same components here is what I learned from M. Crites.
Measure DCR of an intact diaphragm for each driver:
6.8 ohms for the K-77
11-12 ohms for the K-52
and 4 ohms for the K-33.-
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whoa. ok! thanks OO1!
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20 minutes ago, billybob said:
Do you get any reading at all on the 52?
Doing it this weekend. Wanted to get specs first. Will report back.
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Does this look correct? Can’t find anything on the k-52H
K-77-M 6/8 Ohms K52H K-33E 4/6 Ohms -
Does anyone know the impedance rating for the k-55h? I’d like to test mine to confirm they are within spec.
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I have this same configuration of CWs. Does anyone know the specs for the K-52-H? I want to test them to ensure they are within range.
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yep i get it. i'm just trying to get sense of what i need knowing that the room will constantly be changing. i'm leaning toward get 1 Schiit Aegir and if it's not enough stepping up to 2.
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20 minutes ago, Shakeydeal said:
My room is probably a little above average size. It's 26 x 15 and I tend to listen louder than any of my friends. I had absolutely no issues with the CW IV at 20 watts. Same goes for my LS II now. Plenty of power. It's quality over quantity with these speakers.
with your CW and 20W amp how far are you turning that up in your room?
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if anyone can help with identifying the impedance for the individual parts, here is this thread
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10 minutes ago, Shakeydeal said:
Cornwalls will have absolutely top notch dynamics with <50 watts. I've heard it so with as little as 15 watts. Then again, all amplifiers are not created equal. 200 watts in a receiver can sound utterly anemic.
here's where i'm getting stuck. i understand that CW are highly efficient and can/will sound great with low watts. however i'm assuming those using low power are in small rooms. if i'm in a big room, say the size of a small restaurant, i'm assuming i will need more power than 20W. thoughts?
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thanks for all the info on this thread. i still don't know what i'm going to pick lol. i should've added this is for 2 channel and music only. no HT application.
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Here are the speakers I have inside my CWs. I want to test them for spec. Can someone help me with the impedance values for each? TIA.
K-77-M tweeter K52H mid K-33E woofer
Struggling to understand the power needs of 1983 Cornwall 1.5s
in 2-Channel Home Audio
Posted · Edited by jason.justice
Typo
Please note, I’m not running them at 98db volume. These are peaks