AudioCircle

Industry Circles => GR Research => Topic started by: Neo on 8 Sep 2021, 10:01 pm

Title: Anything Bravo
Post by: Neo on 8 Sep 2021, 10:01 pm
Bravo Kit is shipping. I'm new to the site and didn't see this topic (can't search yet) so thought I would throw it up. I'm a newbie here and out of the DIY for many years. Looking for a good picture of a finished Bravo Crossover with upgraded Sonicaps and Miflex Copper Bypass Caps. Plan "A" is to try and build my cabinets from scratch. 
Title: Re: Anything Bravo
Post by: E-Zee on 9 Sep 2021, 04:46 am
Neo,
I tried to private message you but your brand new member status doesn't let you receive messages yet.  I dont have a clean picture that will help you but I can provide you with a scale layout drawing that shows the components and wire connections in a correct layout.  I have provided the same assist to others and a layout drawing showing actual components and connections is very easy to follow.  Even better than a photo.

Email me at elon@ezeescrossovers.com

Elon

ezeescrossovers.com (http://ezeescrossovers.com)
Title: Re: Anything Bravo
Post by: Hobbsmeerkat on 9 Sep 2021, 02:36 pm
Danny has just recently finished building a pair of Bravos and shot several videos for the assembly process, so those videos should be launching soon.
Title: Re: Anything Bravo
Post by: Neo on 9 Sep 2021, 10:29 pm
Replying to E-Zee
I will send you an e-mail with "Anything Bravo" in the subject line.
Title: Re: Anything Bravo
Post by: Neo on 9 Sep 2021, 10:31 pm
Replying to Hobbsmeerkat
Thanks looking forward to the videos.
Title: Re: Anything Bravo
Post by: Neo on 16 Sep 2021, 03:12 pm
Caution to all the newbies', Respect your parts. Resisters can break, was standing at my desk and dropped this resistor onto my desk, landed flat and crack! I'll be more careful now. GR-Research was responsive and very nice about this replacement part. Good to work with a company that picks up the phone after the sale!

(https://www.audiocircle.com/image.php?id=229779)
Title: Re: Anything Bravo
Post by: wgraft5 on 16 Sep 2021, 10:05 pm
Nice one!

I broke a lead off a cap :duh:

You get to see the inside of the part so that's cool.
Title: Re: Anything Bravo
Post by: Neo on 17 Sep 2021, 02:14 pm
Nice one!

I broke a lead off a cap :duh:

You get to see the inside of the part so that's cool.

Ha, that is true!
Title: Re: Anything Bravo
Post by: Danny Richie on 18 Sep 2021, 01:57 pm
The Bravo assembly video is up.
Title: Re: Anything Bravo
Post by: Neo on 21 Sep 2021, 08:16 pm
The Bravo assembly video is up.
That is great news. Looking forward to watching the video.
Title: Re: Anything Bravo
Post by: Neo on 23 Sep 2021, 01:52 pm
Is it safe to use this Soldering "Torch"? Is it to hard to control the temperature that I would risk damaging Crossover parts? Dug this Torch Soldering gun out of my storage.
Anyone have experience / opinion on this?
(https://www.audiocircle.com/image.php?id=230109)
Title: Re: Anything Bravo
Post by: Peter J on 23 Sep 2021, 02:55 pm
The key is going to be to heat up and get off quick enough so you don't telegraph heat where you don't want it. I have a similar torch/ iron, but never got the chance to use it for crossovers or the like. It died and Master Appliance was less than good with their support.

I'd experiment a little first.
Title: Re: Anything Bravo
Post by: Neo on 3 Oct 2021, 05:27 pm
Cross Over Question. Are the Sonicap Capacitors directional? How critical is it to have a specific input and specific output side to this capacitor?
Here is a picture of my Cross-Over before Soldering. The 9 UF Sonicap may be situated backwards.
I started to unwind the wires and I was afraid they were going to break so I stopped and posted my question here.
Holding off on soldering until I get an answer here.


Title: Re: Anything Bravo
Post by: Hobbsmeerkat on 3 Oct 2021, 06:07 pm
None of our crossover components are directional.

So you're good.

It's recommended to keep the input to the left of ghe text. But it wont hurt to have it backwards.

Title: Re: Anything Bravo
Post by: Neo on 3 Oct 2021, 08:04 pm
None of our crossover components are directional.

So you're good.

It's recommended to keep the input to the left of ghe text. But it wont hurt to have it backwards.
Thank You
Title: Re: Anything Bravo
Post by: Neo on 3 Oct 2021, 10:29 pm
X-Overs mostly done.
Time to plan some worthy Speaker Cabinets.

(https://www.audiocircle.com/image.php?id=231676)

Title: Re: Anything Bravo
Post by: Neo on 21 Oct 2021, 04:30 pm
How critical is the overall cabinet dimension? If I shrink the overall dimensions down by 1/4 inch would that adversely affect the sound?
I am thinking I would like to put a hard wood end grain pattern on the outside of the cabinet, like a 3D cutting board but cut to 1/4 inch instead and applied to the outside of the MDF cabinet. If I use 3/4 inch MDF and then add 1/4 hardwood that would be a pretty thick and larger cabinet. To keep the overall outside dimensions the same as the drawing, which I would like to do, space is a factor and 1 inch panels seems excessive, I'm thinking I have two options, 1) use 1/2 MDF for cabinet then apply the 1/4 Hardwood 2) use 3/4 MDF, reduce overall MDF dimensions by 1/4 inch, then apply 1/4 hard wood.
Any more wood workers have any suggestions?
Title: Re: Anything Bravo
Post by: Danny Richie on 22 Oct 2021, 01:52 pm
How critical is the overall cabinet dimension? If I shrink the overall dimensions down by 1/4 inch would that adversely affect the sound?
I am thinking I would like to put a hard wood end grain pattern on the outside of the cabinet, like a 3D cutting board but cut to 1/4 inch instead and applied to the outside of the MDF cabinet. If I use 3/4 inch MDF and then add 1/4 hardwood that would be a pretty thick and larger cabinet. To keep the overall outside dimensions the same as the drawing, which I would like to do, space is a factor and 1 inch panels seems excessive, I'm thinking I have two options, 1) use 1/2 MDF for cabinet then apply the 1/4 Hardwood 2) use 3/4 MDF, reduce overall MDF dimensions by 1/4 inch, then apply 1/4 hard wood.
Any more wood workers have any suggestions?

I'd keep the measurements the same and just add a layer of the hardwood plus increase the radius on all corners, or use 1/2" MDF and 1/4" hardwood.
Title: Re: Anything Bravo
Post by: Neo on 22 Oct 2021, 03:15 pm
I'd keep the measurements the same and just add a layer of the hardwood plus increase the radius on all corners, or use 1/2" MDF and 1/4" hardwood.
When you say, "increase the radius on all corners" could you clarify that for me? Is that only if I choose to have 1" panels (3/4" MDF + 1/4 Hardwood)? Do you mean to router along all outside joint edges down or the inside baffle holes, both?
Please clarify, just learning the verbiage here.
If I choose to use 1/2" MDF and 1/4" end grain hardwood for 3/4" panels would I still need to "increase the Radius"?
I will keep internal dimensions as drawn in the plan.
Title: Re: Anything Bravo
Post by: Hobbsmeerkat on 22 Oct 2021, 06:05 pm
When you say, "increase the radius on all corners" could you clarify that for me? Is that only if I choose to have 1" panels (3/4" MDF + 1/4 Hardwood)? Do you mean to router along all outside joint edges down or the inside baffle holes, both?
Please clarify, just learning the verbiage here.
If I choose to use 1/2" MDF and 1/4" end grain hardwood for 3/4" panels would I still need to "increase the Radius"?
I will keep internal dimensions as drawn in the plan.

If you go with 3/4" + 1/4" thick panels, use a larger a roundover/radius on the left & right edges. The other edges aren't as important, but the top will help a little bit.

If you use 1/2" + 1/4" panels, you can use the standard recommended roundover/radius.
Title: Re: Anything Bravo
Post by: Neo on 23 Oct 2021, 07:35 pm
If you go with 3/4" + 1/4" thick panels, use a larger a roundover/radius on the left & right edges. The other edges aren't as important, but the top will help a little bit.

If you use 1/2" + 1/4" panels, you can use the standard recommended roundover/radius.
Thank you
Title: Re: Anything Bravo
Post by: Neo on 29 Oct 2021, 07:19 pm
Can anyone confirm the inside Dimensions of the Bravo?
Looks like 10 1/2" High X 6" Wide X 10" deep.
Title: Re: Anything Bravo
Post by: Danny Richie on 3 Nov 2021, 02:16 pm
Cabinet plans are on the site.
Title: Re: Anything Bravo
Post by: Neo on 29 Dec 2021, 02:34 pm
Making progress, intermittent and slow but having fun and moving forward. Learning about woodworking and how to use new tools, All good. Using a Walnut, Hard Maple and Red Oak pattern applied to MDF. I'm still hopeful I can pull off creating an acceptable looking and sounding cabinet.


(https://www.audiocircle.com/image.php?id=234474)

(https://www.audiocircle.com/image.php?id=234475)


(https://www.audiocircle.com/image.php?id=234465)

(https://www.audiocircle.com/image.php?id=234466)

(https://www.audiocircle.com/image.php?id=234467)

(https://www.audiocircle.com/image.php?id=234468)

(https://www.audiocircle.com/image.php?id=234469)

(https://www.audiocircle.com/image.php?id=234470)

(https://www.audiocircle.com/image.php?id=234471)

(https://www.audiocircle.com/image.php?id=234472)

(https://www.audiocircle.com/image.php?id=234473)
Title: Re: Anything Bravo
Post by: morganc on 29 Dec 2021, 03:14 pm
Those are going to be stunning!   
Title: Re: Anything Bravo
Post by: borism on 29 Dec 2021, 04:13 pm
I love how the pattern plays with the eye creating a 3-D illusion!
Title: Re: Anything Bravo
Post by: Neo on 4 Jan 2022, 05:10 pm
morganc, borism, thanks for the encouragement.
 
Title: Re: Anything Bravo
Post by: Neo on 23 Mar 2022, 11:49 pm
Plan A Three D pattern was a failed effort. Gluing 1/4 inch cut hard wood end grain onto 1/2 inch MDF turns out is a real bad idea. The boards warped like lasagna noodles! All those clamps could not keep it all flat. A lot of work went into the dumpster. Should have just made a bunch of 3D Hard Wood end grain and cut them at 3/4 inch. A big time killer but Live and learn.
Plan B - 3/4 MDF with Cherry veneer. It is coming along, 2nd coat of oil based Satin clear varnish. X-overs soldered and ready for install. No-Rez applied. Can't wait to finish these so I can hear them.

(https://www.audiocircle.com/image.php?id=238765)

(https://www.audiocircle.com/image.php?id=238766)

(https://www.audiocircle.com/image.php?id=238767)

Title: Re: Anything Bravo
Post by: Neo on 24 Mar 2022, 12:20 am
Why do pictures upload sideways?
Any way to edit that?
Title: Re: Anything Bravo
Post by: Hobbsmeerkat on 24 Mar 2022, 12:49 am
You need to edit them (i.e. crop them slightly) on your phone before uploading them. Or adding them directly to your gallery before sharing them here.
Title: Re: Anything Bravo
Post by: Neo on 27 Mar 2022, 05:35 pm
I'll try posing pictures again that are orientated correctly. These have been rotated in Gallery.

(https://www.audiocircle.com/image.php?id=238933)

Title: Re: Anything Bravo
Post by: Neo on 27 Mar 2022, 05:52 pm
Need Tweeter gaskets. Tweeters sit slightly low.
Any suggestions on where to buy gaskets to correct how my tweeter sits in the cabinet?
Will this tweeter sitting a little low in the flange be noticeable if corrected?
(https://www.audiocircle.com/image.php?id=238918)

(https://www.audiocircle.com/image.php?id=238919)
 
Title: Re: Anything Bravo
Post by: Neo on 27 Mar 2022, 06:06 pm
Playing Music. Been playing overnight to break in.
(https://www.audiocircle.com/image.php?id=238927)
Title: Re: Anything Bravo
Post by: Neo on 25 Apr 2022, 02:45 pm
Need Tweeter gaskets. Tweeters sit slightly low.
Any suggestions on where to buy gaskets to correct how my tweeter sits in the cabinet?
Will this tweeter sitting a little low in the flange be noticeable if corrected?
(https://www.audiocircle.com/image.php?id=238918)

(https://www.audiocircle.com/image.php?id=238919)
Received a suggested solution for my gasket question from a Butch. Thanks for the idea.