[alwayshungry]

hey oneplustwo, try flipping the dip switches on the JT control board. I had the same problem recently. Beautiful build BTW. I really liked you B22 cookie tin and was sad to see it go.

 

[oneplustwo]

I'll give that a try... flip all three of them?

 

[rille2]

Quote:

Originally Posted by jdkJake /img/forum/go_quote.gif How many of the circuit boards did you have made? I think more than a few folks here would be interested in them.

I ordered only one. But you could get the layout files for the board.

 

[linuxworks]

my hack-it-cheap case for my 2-ch beta22:

a $15 pc 'router' (some corp firewall device that had a pc motherboard inside) case, some ABS plastic (that crinkle finish stuff) and a 2 board beta22 and single board sigma22 power supply.

works just fine for headphones and spkrs. the switch on the front is the spkr/phones selector. phones go up front, spkr wires in back (of course). also in back is the dual AC 30v input (silver connector, mic plug, actually) and for line-in I use 1/4" TRS jacks just for ease of mounting.

the case is shielded only at the entrance where the line-in touches the metal.

on the front phones jack is a zobel network (the spkrs needed it but I located it there since its the same wiring and easier done up front).

the rear spkr jacks are making use of what used to be a PCI card opening

its grungy on the inside (lots of torn out metal supports, lots of drill holes from the previous occupant), but when you put the metal cover over it, you don't even know it was a recycled case.

 

[odoe]

very nice work
the mesh is a nice clean touch

 

[alwayshungry]

Quote:

Originally Posted by oneplustwo /img/forum/go_quote.gif I'll give that a try... flip all three of them?

yup. flip all 3. Brian and Russ answered my original question here.

 

[oneplustwo]

got it to work... thanks! those relays really make a racket, don't they?!

 

[FallenAngel]

It's been almost a year in the planning, making and configuring this monster, but it is finally complete. May I present my Balanced Beta22 (aka a tribute to Jena cables).

The PSU is a dual Sigma22 running off a pair of 225VA Plitron transformers.

As I'm a cable lover, all of the wiring is Jena (with minimal exceptions in PSU where toroid wiring is used, plus a short length of solid-core Cardas for the power switch).

Sigma22 Internal


Beta22 Internal - A LOT of Jena cable, 4-pin XLR, 2x 3-pin XLR and 2x 1/4" outputs are wired in 22awg, speaker outputs are wired in 2x 18awg, power wiring is Jena AC power cord wire.


Front:


Back:


Back with all necessary accessories:
22awg Jena XLRs
18awg Jena RCA
Jena DIY AC power cord
DC umbilical uses same wire as AC power cord


In the tower - yes, I love the blue LEDs



Special thanks to:
AMB for making the krmathis panels public so I had a fantastic starting point
Justin of HeadAmp for offering an awesome deal on the balanced DACT
Michael of Jena Labs for putting up my constant requests for different wires in random lenghts.

I won't get too much into how it sounds, so I'll just say it's fantastic with my Jena cabled HD650

and drives my Omega Grande 6R single-driver speakers amazingly.

 

[mattcalf]

I'm so jealous of all these Beta builds.

FA, simply beautiful!

Quote:

AMB for making the krmathis panels public so I had a fantastic starting point

If possible could you please link me?

 

[FallenAngel]

Quote:

Originally Posted by mattcalf /img/forum/go_quote.gif I'm so jealous of all these Beta builds. FA, simply beautiful! If possible could you please link me?

http://www.head-fi.org/forums/f6/let...ml#post4874943

It's about $400 for the 4 panels.

 

[DoYouRight]

Very nice I might try to save up for those for my b22.

 

[smeggy]

That's a beauty FA, very nice indeed!

 

[linuxworks]

Quote:

Originally Posted by FallenAngel /img/forum/go_quote.gif It's about $400 for the 4 panels.

I think (just guessing) that's about what I paid for my complete b22, with the 'ugly but functional' case

some day, I may try FPE panels; but - man! - are they super expensive for what you get! ;(

if I was building for a client, I'd use something good. for myself, I can make-do with cheap abs plastic

 

[rds]

blue in green for me - this is my favorite jazz amp

 

[zkool448]

Quote:

Originally Posted by linuxworks /img/forum/go_quote.gif my hack-it-cheap case for my 2-ch beta22: http://farm4.static.flickr.com/3643/...6d7fa463_o.jpg http://farm3.static.flickr.com/2437/...e5026c4f_o.jpg a $15 pc 'router' (some corp firewall device that had a pc motherboard inside) case, some ABS plastic (that crinkle finish stuff) and a 2 board beta22 and single board sigma22 power supply... <snip>

This build looks so clean even if it's a repurposed case. The way the wires are routed looks so neat and very professional. Good job B.

edit: cool CTH's rds.