Fine Tuning ALK Crosover?

[Neek]

Just built ALK crossovers for my older Klipsch K-horns, they sound great! Thank you Al, for posting your schematic and parts list. I find on some recordings that I would like to fine tune the squaker setting between taps. I don't have tone controls on my line-stage and was wondering how I could fine tune the network, maybe set the higher tap and pad it down? I'm not sure? I don't want to mess up the impedance? Any idea's or suggestions? Again, thanks Al!

[Al Klappenberger]

Neek,

Don't worry about the impedance unless you make a really drastic change from the normal 2 - 5 setting. The tap connections for other squawker levels are in the file you downloaded.

Al K.

[Neek]

Al-

What's the best way to make a setting between the normal 5-2(6.2dB) and the 3-0 (7.9dB) setting?

Thanks, Nick

[Al Klappenberger]

Neek,

The setting would be 4 - X, but you will have to do some soldering on netwroks I build becasue I don't put a plug wire on tap #4. It's ok to do that though.

Al K.

[Neek]

Al-

5-2 setting.............too hard

3-0 setting.............too soft

4-X setting................ahhhh just right!

I stayed with a 10ohm resistor, is there a better match?

-Neek

[Al Klappenberger]

Neek,

The theoreticaly perfect resistor for the 4 - x setting would be 9.6 Ohms. That makes the 10 Ohm value quite ok..

Al K.

[jannegard1]

hallo i have built a copy of Al klappenbergers crossovers i can only said thanks Al for this good thing the sound is so much better in my k-horn

[eglinski]

Hi Al, The networks that I bought from you are GREAT well worth the cost and the wait, my K-horns have never sounded so "open" and detailed in the highs IMO. they do not add brightness like I read from a post at Audio Asylum. My qestion is about the squaker tap settings, is there a setting thatis between 3-0 and3-x something like 9.5 or 10 db of attenuation? Ive seen references to other settings being used by people on this BB that are not listed on the instruction sheet. Id rather not change the resister if possible Thanks Al Ed Glinski

[Al Klappenberger]

Ed,

Yes, there are actually many setting that I did not include in the

instructions. This is because I seem to have underestimated the need for

intermediate steps. I assumed they would be too fine to hear. Between 3-x

and 3-0 there are two intermediate settings:

setting ratio

3-x .320:1

2-0 .355:1

4-1 .460:1

3-0 .500:1

I did not provide a plug wire on tap 4, so you might try the 2-0 setting

first. If that's not right, you will have to do some soldering to move one

of the wires to tap 4 which is the tap just above "X" on the back of the

transformer.

The theoretical resistor value for these would be about 8 Ohms, but the 10

Ohm resistor is quite close enough. The purest might connect an additional

47 Ohm 2W resistor right across the 10 Ohm. That will bring the combination

down to 8.25 Ohms.

Al K