View Profile: Jeff B. - Techtalk Speaker Building, Audio, Video Discussion Forum

Today, 01:50 AM

Wolf replied to a thread Cable burn in? Really in Tech Talk Forum

What's all this about 'burning-in' wires? Here I thought cryogenic freezing was the bees-knees!! FWIW- most of the patch cables that they sell in...

29 replies | 428 view(s)

Today, 01:24 AM

Wolf replied to a thread The "Armadillo TM" A.K.A. "Lil' Dillo's" in Speaker Project Gallery

It says 0.58ft^3 is the 'optimum' vented volume, but truth be told that is just a suggestion. There are MANY alignments of box that you can use to...

54 replies | 4175 view(s)

Today, 12:45 AM

bkeane1259 replied to a thread Stance build (No KL) in Tech Talk Forum

I spy Mirage buyout speaker terminal cups.....FTW!!

24 replies | 656 view(s)

Today, 12:08 AM

Mark65 replied to a thread Cable burn in? Really in Tech Talk Forum

I'm pretty sure that Marmot urine is the preferred connector/wire/xo component conditioner for all things audio...anything less is seriously lacking,...

29 replies | 428 view(s)

Yesterday, 11:52 PM

Pete Schumacher ® replied to a thread 340000uF and a big chassis in Tech Talk Forum

I'm building this amp for a Taiwanese company and they provided the heatsink and chassis for the prototype. I know I saw a nice chassis and heatsink...

13 replies | 239 view(s)

Yesterday, 11:47 PM

johnnyrichards replied to a thread DS-135 in 10L in Tech Talk Forum

I have not used the 135

4 replies | 71 view(s)

Yesterday, 11:44 PM

Pete Schumacher ® replied to a thread 340000uF and a big chassis in Tech Talk Forum

:D Good one! Not only that, but the amp circuit includes active line filters that will reduce the 120Hz ripple by another 40dB.

13 replies | 239 view(s)

Yesterday, 11:29 PM

Mark65 replied to a thread Cable burn in? Really in Tech Talk Forum

Touche. Well done, Ricky!

29 replies | 428 view(s)

Yesterday, 11:26 PM

Mark65 replied to a thread OT: O.M.G. this girl is AWESOME! in Tech Talk Forum

Wow:eek:

14 replies | 275 view(s)

Yesterday, 10:32 PM

Mark65 replied to a thread Bose 301 rebuild in Tech Talk Forum

Le at 10K, yes, I didn't do that, the DATS did. Those are the results it put up. FWIW. I saw some crossover type components in the box, but I didn't...

31 replies | 606 view(s)

Yesterday, 10:04 PM

Mark65 started a thread OT: O.M.G. this girl is AWESOME! in Tech Talk Forum

http://www.youtube.com/watch?feature=player_embedded&v=rV6SmY04WdE I'm selling my guitars. I'm not worthy of even holding them, much less...

14 replies | 275 view(s)

Yesterday, 10:02 PM

Pete Schumacher ® replied to a thread 340000uF and a big chassis in Tech Talk Forum

MOSFET. Final bias level will be determined by what I consider to be a reasonable heat sink temperature. I've got 12 MOSFETs on each channel, so...

13 replies | 239 view(s)

Yesterday, 09:33 PM

Pete Schumacher ® replied to a thread 340000uF and a big chassis in Tech Talk Forum

Not sure where you saw that, but it's my own design. Class A/B, 250W. I'm aiming the bias to allow maybe 50W of class A operation before it reverts...

13 replies | 239 view(s)

Yesterday, 09:28 PM

bkeane1259 replied to a thread Bose 301 rebuild in Tech Talk Forum

I think I got em...is this correct? Re = 5.5737 Fs=41.05 Qts=0.402 Qes=0.44 Qms=4.628 Le=1.323 mH @ 10k mms=27.12 grams

31 replies | 606 view(s)

Yesterday, 09:10 PM

Mark65 replied to a thread Bose 301 rebuild in Tech Talk Forum

Feeling kind of ok, so I pulled the driver and got this: Vas seems kind of huge for the box they put it in, but everything else says usable 6.5"...

31 replies | 606 view(s)

Yesterday, 08:59 PM

Mark65 replied to a thread Cable burn in? Really in Tech Talk Forum

Well, now THAT one IS accepted fact!:D

29 replies | 428 view(s)

Yesterday, 08:55 PM

Pete Schumacher ® started a thread 340000uF and a big chassis in Tech Talk Forum

For you amplifier lovers, here's a bit of :eek: That's a quarter on the one power transformer. I've got some work to do. :D

13 replies | 239 view(s)

Yesterday, 08:01 PM

bkeane1259 replied to a thread Cable burn in? Really in Tech Talk Forum

LOL...nice. I've never actually seen anyone mention that they heard a difference flipping those kinds of interconnects around. I have some of...

29 replies | 428 view(s)

Yesterday, 07:53 PM

Mark65 replied to a thread Cable burn in? Really in Tech Talk Forum

Bwahahaha!:D:D:D AND a truck!

29 replies | 428 view(s)

Yesterday, 07:51 PM

Pete Schumacher ® replied to a thread Blew my Piccolatas up :( - Garage Speaker - Woofer Protective Cap? in Tech Talk Forum

I did. "Few tweeters will last long with sustained power at a level easily achieved with an overdriven 100W amplifier - they are simply not ...

41 replies | 837 view(s)

Yesterday, 07:25 PM

Mark65 replied to a thread Cable burn in? Really in Tech Talk Forum

Malingering electrons? Now we have healthy electrons that simply refuse to do the work? ;-) And since when are any of those things "accepted facts"?...

29 replies | 428 view(s)

Yesterday, 06:38 PM

bkeane1259 replied to a thread Dayton iMM-6 - measurement progress in Tech Talk Forum

Just an idea. I have a couple of these cheapy tripods myself. You can get creative with your situation by perhaps mounting the iMM-6 on the end of...

3 replies | 213 view(s)

Yesterday, 06:21 PM

Pete Schumacher ® replied to a thread Blew my Piccolatas up :( - Garage Speaker - Woofer Protective Cap? in Tech Talk Forum

That's the point Frank. With MUSIC as the signal, the 100W amp delivering 50W RMS will be horribly distorted compared to the 500W amp delivering the...

41 replies | 837 view(s)

Yesterday, 05:55 PM

johnnyrichards replied to a thread Dayton iMM-6 - measurement progress in Tech Talk Forum

Roman, 2nd order jumped up quite a bit during a close mic (10mm) attempt. I did not save any screen shots since it functions very similarly to my...

3 replies | 213 view(s)

Yesterday, 05:14 PM

Pete Schumacher ® replied to a thread Blew my Piccolatas up :( - Garage Speaker - Woofer Protective Cap? in Tech Talk Forum

The difference is that with MUSIC as the signal, the amount of high frequency power is MUCH lower in the unclipped 50W signal. 50W RMS being...

41 replies | 837 view(s)