CECAA850
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Posts posted by CECAA850
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On 1/15/2022 at 8:58 AM, CECAA850 said:
@ClaudeJ1 you've mentioned reducing gain to be able to use more of the volume knob. Have you seen the Slider preamp from Transcendent Sound? Seems perfect for this scenario. I'm tossing around the idea if building one.
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Cool factor is 10+.
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2 hours ago, rplace said:
Jacksonbart alive and well. Saw him last week.
You went to Pluto?
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Low mileage for that year. Must be a one owner? Congrats!
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@wuzzzer maybe update your first post?
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51 minutes ago, Pete H said:
Sorry Carl, not thread crapping, just pisses me off when I see crap like this.
Not a problem on my end.
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1 hour ago, Crankysoldermeister said:
Madisound has some nice ones (Fostex).
Ordered a set from Parts Express this morning. Didnt think to check Madisound.
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Thanks to all for the info.
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24 minutes ago, Dave A said:
You have a Xilica right?
No
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2 hours ago, Thaddeus Smith said:
Ah, so doomed from the start.
Yes. I need to do a better job of learning to imagine how something sounds by looking at graphs.
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4 minutes ago, Curious_George said:
Extrapolating data from the DH1A SPEC sheet, it looks like the impedance at 500Hz is @ 12 Ohms. However, the impedance may be different if you are using a horn that is not an HP9040.
Assuming the impedance of your driver and horn is 12 Ohms the L-Pad chart I posted will not be valid. I’ll have to post another one for 12 Ohms.
I'm using the stock 9040.
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18 minutes ago, RandyH said:
Carl , ask them to quote you the shipping via Royal Mail /the rates are lower , Service is about 1 Week -10 days to the USA -
Ok
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11 minutes ago, Curious_George said:
What is your crossover point?
500 hz 12db slope.
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22 minutes ago, babadono said:
I was looking directly at the data Dean(Mr.Blowtorch) posted.
I csnt open it on my phone.
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5 minutes ago, babadono said:
so it looks like EV says its "nominal" 8 ohms? Or am I seeing/thinking wrong?
Maybe you're looking at the speaker as a whole?
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4 minutes ago, babadono said:
so it looks like EV says its "nominal" 8 ohms? Or am I seeing/thinking wrong?
Horn assembly says 6 ohm. Driver measures 4.
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23 minutes ago, Crankysoldermeister said:
Two-way?
https://www.fullcompass.com/common/files/17291-DH1ASpecSheets.pdf
Compare the impedance plots. Notice how similar they look with the exception of where on the plot they are.
Could be a nominal 8 ohm tweeter depending on where the crossover point is.
Top horn assembly labeled 6 ohm, driver measures 4.
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4 minutes ago, Crankysoldermeister said:
What do you know about the tweeter? What is it?
EV DH1A driver on an EV horn.
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9 minutes ago, Crankysoldermeister said:
How much more sensitive is the tweeter to the other driver?
Not sure. Measuring with my ears at this point.
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That's the company in England I e mailed.
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1 minute ago, babadono said:
Excellent fishing trip, I'll bet Carl's already on it.
Looking to put one on each speaker. Theres a place in England that has what I'm looking for. I've ever mailed them for shipped prices.
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13 minutes ago, Curious_George said:
Thanks
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18 minutes ago, henry4841 said:
One has to start somewhere by first by using the efficiency of the tweeter minus the efficiency of the woofer as a starting point. Use this calculator for the value of resistors after estimating the db's you think you will need. https://www.diyaudioandvideo.com/Calculator/DriverAttenuationLPadCircuit/
That's the problem, I don't know how much I want to lower it. L pads let me try different levels of attenuation and I only have to have one pair as opposed to a bunch of resistors. Plus no calculations or digging up specs. Lol.
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in Garage Sale
Posted
Firm price is what?