livewire

Wow! Your bar is too kewl and it makes my liver quiver just looking at it.

Cocobololololo

This

Ideal would be 8 inch-pounds (NOT foot-pounds!), assuming a nutted 6-32 steel screw. (12 in-lbs max) If the #6 screw is going into a threaded aluminum heatsink, 6 inch pounds is safe. PEEK (plastic ) screws have a much lower torque rating. ~1.33 in-lbs for the M3 or #6 screw sizes.

The Bamaslama, true KG madness! Did that design ever see the light of day? The thread just petered out. I just read the start and finish. Not start to finish...

Is there an equivalent to this amp in the commercial world? Maybe a Headlamp Gilmore XXX or something? FWIW, I'm kind of interested in building this now to drive my new cocobolo Grados.

Ididnt answer earlier because I really don't know. KG or maybe Kerry would know. The version 4 PSU was only on paper, never built as far as I know. I really don't think that the 250K resistor would be needed on the version 8 psu. As for modifying the version 8 PSU, here again you may want to PM KG to discuss this. FWIW, my version two PSU on the version 3 PCB is working just fine. It doesnt get much simpler than this.

If pressure is applied, Kraft bubble envelopes may be prone to cut-through along the edges and corners by the pc boards inside them. This in turn could expose the boards causing damage or loss. Using slightly larger cardboard inserts inside with the pc boards sandwiched between the inserts is common practice to avoid this type of damage. Also wrap a few strips of fiber reinforced tape around the sandwich in both the X and Y axis to hold the sandwhich together before placing it inside of the mailer envelope.

Thanks LK!

Yup. With large (>4K) infusions of somolians. Which reminds me, has anyone received their TOTL toys yet?

All this talk about shipping T2 boards and nobody has posted their size?

You should throw them in the mail and send them my way.

I posted this also in the T2 thread: Sorry to hear this guys. To clarify, the 2SA1968 sand is used in the early Blue Hawaii, and the KGSSHV, but not in the DIY T2. Also the 2SA1968 sand in the KGSSHV amp can be supplanted by using ixtp01n100d sand as the current source instead. By all means buy the tester! I just got my sandmeter on order. Thanks KG!

That would entail too much work. Basically they take inferior, lower voltage rated off the shelf transistors and relabel them. They prolly pay 20 cents a piece for them, then they mark em up to five dollars. Instant goldmine.

Sorry to hear this guys. To clarify, the 2SA1968 sand is used in the early Blue Hawaii, and the KGSSHV, but not in the DIY T2. Also the 2SA1968 sand in the KGSSHV amp can be supplanted by using ixtp01n100d sand as the current source instead.

Me too. They have a good rep for not burning their customers. I'm guessing that they sample test incoming product batches. EDIT: Bummer! Looks like B&D is sold out on these.

Ha! Speechless? NOT! Having a "senior moment"? Or maybe chomping at the bit to build the first non KG bestowed DIY T2, are ya? Ok, I got a good laugh out of deepak's reply, going back to listening to Pink Floyd's "Marooned" on my KGSSHV. Love it!

Have a wonderful trip! Take lotz-O-pix. Wish I was up on two this year, will be for sure in two more years.(temporary hiatus)

Picture looks correct but.............................See post #2405.

I'm also interested in a GB for the unobtanium T2 sand.

Nu Shooz - "I Can't Wait" & "Point Of No Return"

Must be a typo... (dont want to get your hopes up!)

Single case build for the onboard KGSSHV minimum size is 16"W X 16"D X 4"H. I used a Par Metal case of this size. 3" high is doable, but special HV insulated sheeting would be required to keep the underside pcb traces from shorting out to the case. (Or use shorter height heatsinks. KG warned against this, as things could overheat.)

That is what El_Doug said in post #981 of the KGSSHV thread. I have not done the math, so I dont know for sure. External heatsink and possibly trafo selection would impact the finished size.

No, none whatsoever. Totally black noise floor. I was worried about that initially, the SumR trafo I ordered had core band shielding. Since we are on that subject, I will detail some changes made since this pic was taken. The internal cable shown has 1KV insulation but no special shielding around it. When I changed over to a quad DACT I replaced the input cables to the DACT with shielded Belden 1800 stuff to insure good noise rejection. Of course I cleaned up the other cable's routing as well and got rid of the wire nuts. That was for testing only. As you know, I had a lot of that to do when I torched the PSU twice. The trafo is also now much larger, occupying that entire corner of the case.