Woo Audio Amp Owner Unite | Page 678 | Headphone Reviews and Discussion - Head-Fi.org

Silent One · May 21, 2011 at 7:56 PM

Great exchange of info today...

Silent One · May 21, 2011 at 8:01 PM

Quote:

shipsupt said:
I don't think it's crazy at all! A library might turn out to be the perfect location. Berkeley would be a good central location too, plus the bonus of the great food and drink close by.

A few other options:

- There are quite a few community centers, such as San Ramon, that offer very nice rooms of different sizes. Not sure how much they charge for these spaces... There must be similar centers on the other side of the bay.

- My location may not be ideal, because it's out in Pleasanton, but my association has a club house that would be awesome for a mini-meet. It was several separate rooms, tables, and lounge areas that could be set up so there are areas for quiet listening and others for talking shop. Dates fill up quickly for weekends, but we could use it for next to nothing, $25 for the whole day. There is also a kitchen in case we wanted to bring along some snacks etc...

Just a few more possibilities.

Pleasanton ~

I knew if you looked East last night (580), you could see the glow of my Woo (we're not that far from each other). Post dinner PM to come...

Xcalibur255 · May 21, 2011 at 8:05 PM

Quote:

grokit said:
If correct that clears a few things up.

OTOH this is getting muddier.

In regards to impedance ranges, it is 8-99 ohm for low and 100-600 for high, at least it is for my WA6. Many amps use 100 ohm or whereabouts to draw the line between "low" and "high" impedance.

Wedge · May 21, 2011 at 8:19 PM

Tubeworld tells you which pairs are available. They are all pretty bad in terms of their sites, for Tubeworld sometimes its easier to copy and paste the tube info in an email and tell Brendan that you would like to buy this tube. If your worried Jack (Woo Audio) has tubes that he doesn't list on his website. You can try Audiogon, lots of tube sellers there.

Quote:

nova13 said:
I have purchase a lot of things online in my day....

These sites to buy tubes have some of the WORST ordering systems I've ever encountered. I can't even tell what tubeworld.com has in stock or how much it costs!!!

And ebay scares me....for tube-buying at least.

Anyone have a more straightforward site?

Golfnutz · May 21, 2011 at 8:56 PM

Quote:

wedge said:
Tubeworld tells you which pairs are available. They are all pretty bad in terms of their sites, for Tubeworld sometimes its easier to copy and paste the tube info in an email and tell Brendan that you would like to buy this tube. If your worried Jack (Woo Audio) has tubes that he doesn't list on his website. You can try Audiogon, lots of tube sellers there.

Actually, I find tubeworld to be the most complete online ordering site I've used from all of them. Not only does he tell you what he has in stock, in a lot of cases Brendan tells you what the tube reading is from his testers.

Also note: his site says that it's down for maintenance, which may be the reason you're not getting back any info.

grokit · May 21, 2011 at 9:06 PM

Quote:

nova13 said:
I have purchase a lot of things online in my day....

These sites to buy tubes have some of the WORST ordering systems I've ever encountered. I can't even tell what tubeworld.com has in stock or how much it costs!!!

And ebay scares me....for tube-buying at least.

Anyone have a more straightforward site?

www.wooaudio.com/products/

They have upgraded tubes for every amp, just throw 'em in your cart and check right out.

SDMAN · May 21, 2011 at 9:45 PM

Quote:

nova13 said:
I have purchase a lot of things online in my day....

These sites to buy tubes have some of the WORST ordering systems I've ever encountered. I can't even tell what tubeworld.com has in stock or how much it costs!!!

And ebay scares me....for tube-buying at least.

Anyone have a more straightforward site?

I have had nothing but good experiences using E-bay and Paypal for tube buying. And I get them from Turkey, Spain, England, Hong Kong, etc. Not a single issue.The tubes have always been exactly as advertised and shipped quickly. Customs can be a PITA, but thats not the sellers fault. In the last 24 hours Ive purchased 3 pair. Two pair already have tracking numbers. You need to know what you want, so when you see it available you can grab it as quick as possible.

Xcalibur255 · May 21, 2011 at 9:57 PM

I'd have to echo that experience. For all the stories I hear about being burned on eBay, nearly all of my 6SN7 have come from there and I have yet to have a single bad experience. I think it is just a matter of having a decent understanding of what you are looking for and knowing what to watch for in terms of the seller's history and how they present their listing. I've actually taken a chance once or twice on tubes that I normally would have passed on due to good prices and these too have turned out to be good purchases. The only gotcha, for me at least, would be not knowing if the stated test results are true or not since I do not own my own tester. Nevertheless if the tube sounds great in the amp I have no reason to doubt the stated condition of the tube by the seller, and I like to believe in people doing the right thing as a rule of thumb rather than suspect they are all out to rip you off.

Skylab · May 21, 2011 at 9:58 PM

I have gotten quite a few bad tubes on eBay. No out and out scams,but tubes that simply tested bad (gas, shorts, etc.) when I got them. In every case I received a replacement or refund, so all ended up well. BUT - if I didn't own a tube tester, and I had just looked at them and stuck them in my amp, the could have been trouble. There are some truly excellent eBay tube sellers, but heck, I have even gotten bad tubes from Antique Electronic Supply! It happens. Old tubes fail. Having a tester really helps.

Golfnutz · May 21, 2011 at 10:19 PM

Quote:

skylab said:
I have gotten quite a few bad tubes on eBay. No out and out scams,but tubes that simply tested bad (gas, shorts, etc.) when I got them. In every case I received a replacement or refund, so all ended up well. BUT - if I didn't own a tube tester, and I had just looked at them and stuck them in my amp, the could have been trouble. There are some truly excellent eBay tube sellers, but heck, I have even gotten bad tubes from Antique Electronic Supply! It happens. Old tubes fail. Having a tester really helps.

X2. Anyone spending serious money on tubes should also invest in a tube tester. I've sent tubes back to on-line retailers as well. I would never had known they were bad if it wasn't for my tester. I would say the money I've saved by returning the tubes has paid for the tester.

Skylab · May 21, 2011 at 10:28 PM

golfnutz said:
X2. Anyone spending serious money on tubes should also invest in a tube tester. I've sent tubes back to on-line retailers as well. I would never had known they were bad if it wasn't for my tester. I would say the money I've saved by returning the tubes has paid for the tester.

You can get decent testers for reasonable prices, too. There is one on Audiogon right now for about $200. That's the price of one TS BGRP 6SN7GT

Nova13 · May 21, 2011 at 11:24 PM

Thanks for the support fellas - (or ladies? Probably not - my wife wonders why I would spend so much on a "light bulb"

)

I may get up the courage to order from ebay - its just without a tube tester like Skylab pointed out, you really don't know what you are getting.

To follow up on my original complaints - I emailed Brenden from tubeworld and he responded very quickly - even late on a saturday night! I am impressed.

Ordering straight from Jack is another fine idea. He does charge a little more, but he deserves our business.

The TS 5998 is elusive however. Brenden said he was out, Jack does not advertise, and I've heard only mixed reviews from vacuumtubes.net. Perhaps ebay...

sillysally · May 22, 2011 at 12:42 AM

Remember one thing, buying a used old tube tester is like buying a tube it may be good and it my be junk. Plus you probably should have it calibrated to make sure.

emremusic · May 22, 2011 at 2:49 AM

Thanks! Would it be possible to see a photo of your set up?
Quote:

shipsupt said:
This is how I set up my 6SE. I got a 24" umbilical cord from Jack. He can make different lengths. He told me that it would have no impact on sound, and my ears tell me he was right.

spagetka · May 22, 2011 at 5:18 AM

From WA5 manual:

SPK – Speaker output
K1K – AKG K-1000 headphone output
HPL – Headphone Low impedance headphone jack output (8 to 40 ohms)
HPH – Headphone High impedance headphone jack output (41 to 600 ohms)

Quote:

xcalibur255 said:
In regards to impedance ranges, it is 8-99 ohm for low and 100-600 for high, at least it is for my WA6. Many amps use 100 ohm or whereabouts to draw the line between "low" and "high" impedance.

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