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Re: 8 years later [message #94570 is a reply to message #93455] Wed, 06 October 2021 11:09 Go to previous messageGo to next message
panduro is currently offline  panduro
Messages: 32
Registered: March 2013
Location: denmark, european union
Baron
Hopefully I will have a bit of time making sawdust this weekend, plan is to build the second high horn cabinet, midhorn cabinet and hopefully vent's and bracing of a bottom.

But I'm unsure if the vent is supposed to be closer to the center of the room or closer to the sidewall of the room?


Bent
Re: 8 years later [message #94571 is a reply to message #94570] Wed, 06 October 2021 11:16 Go to previous messageGo to next message
Wayne Parham is currently offline  Wayne Parham
Messages: 18323
Registered: January 2001
Illuminati (33rd Degree)

There is no difference. Port can be on either side.

I tend to like mine setup with ports "outboard" - towards the side walls - but it really doesn't matter.
Re: 8 years later [message #95128 is a reply to message #93455] Wed, 26 January 2022 16:25 Go to previous messageGo to next message
panduro is currently offline  panduro
Messages: 32
Registered: March 2013
Location: denmark, european union
Baron
I'm having a issue with my crossovers. Lows and highs outputs are playing, but nothing at all from mid. Midhorn makes sound if I Connect to low/high output. None of the drivers makes any sound at all if I Connect them to mid output.

Strangely enough it's the same with both crossovers.


What am I doing wrong? Can you guide me through finding the flaw? Shipping Price is insane so I would like avoiding sending them to you.

I have this version xover

/forum/index.php?t=getfile&id=2991&private=0
Re: 8 years later [message #95129 is a reply to message #95128] Wed, 26 January 2022 16:54 Go to previous messageGo to next message
Wayne Parham is currently offline  Wayne Parham
Messages: 18323
Registered: January 2001
Illuminati (33rd Degree)

It's definitely odd that both act the same way.

But regardless, let's just step through the troubleshooting procedure. Using an ohmmeter, measure across the following terminals and report back what you see:

1. Measure from IN- to 2- and find zero ohms.
2. Measure from IN+ to 2+ and find 4.5 ohms.
3. Measure from 2+ to 2- and find 8 ohms.
Re: 8 years later [message #95130 is a reply to message #93455] Wed, 26 January 2022 17:06 Go to previous messageGo to next message
panduro is currently offline  panduro
Messages: 32
Registered: March 2013
Location: denmark, european union
Baron
Thx, ill buy a ohmmeter tomorow(its midnight now) and report back to you.
Ben
Re: 8 years later [message #95132 is a reply to message #93455] Thu, 27 January 2022 06:08 Go to previous messageGo to next message
panduro is currently offline  panduro
Messages: 32
Registered: March 2013
Location: denmark, european union
Baron
My measured ohm are

-in to -2 0.6ohm
In+ +2 8.9 ohm
+2 -2 8.8ohm
Those numbers are consistent on both boards.

Whats next?
Re: 8 years later [message #95134 is a reply to message #95132] Thu, 27 January 2022 09:22 Go to previous messageGo to next message
Wayne Parham is currently offline  Wayne Parham
Messages: 18323
Registered: January 2001
Illuminati (33rd Degree)

I hate to say it, but I may need to see those boards to troubleshoot them.
Re: 8 years later [message #95135 is a reply to message #95134] Thu, 27 January 2022 09:51 Go to previous messageGo to next message
panduro is currently offline  panduro
Messages: 32
Registered: March 2013
Location: denmark, european union
Baron
Nothing I Can do, specific points to measure before sending back around the world ?

Ben
Re: 8 years later [message #95136 is a reply to message #95135] Thu, 27 January 2022 10:11 Go to previous messageGo to next message
Wayne Parham is currently offline  Wayne Parham
Messages: 18323
Registered: January 2001
Illuminati (33rd Degree)

I'll be honest, I expected to see IN+ to 2+ as open if there's no sound. The fact that it shows continuity makes me think you should hear the midhorn. But another thing that could kill output would be a short across C4. You might measure across that component and report back.
Re: 8 years later [message #95140 is a reply to message #95135] Thu, 27 January 2022 17:45 Go to previous messageGo to previous message
OutOfSpace is currently offline  OutOfSpace
Messages: 18
Registered: June 2017
Chancellor
Hey Ben,

Dumb question, but have you tried simply checking the wiring to the midhorns?
My 'go-to' is a regular 1.5V battery. Pull the midhorn leads from the crossover
and stick the wires on each end of a battery. It should make noise as you
connect/disconnect. You can also check polarity my touching the cone.

The crossover electronics aren't all that complicated, so I expect you can resolve
this without shipping. It will just take some back and forth and maybe
schematic reading verses physical layout training.

Chris
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