J201 Subs??? Cobalt Drive aka Blues Driver

[Robert]

He'll need the adapters. I need to get it updated with SMD pads but haven't gotten to that one yet.

 

[spi]

View attachment 39384
If you can get the SMT ones you can get these adapter boards for super cheap on oshpark. Also the original didn't use J201, so you could find the original transistor as well which I believe is 2sk117/2sk184/2sk209 depending on package.

do you have a link to this project--none of my searches could find it?

 

[cdwillis]

I can see this in my old orders on OSH Park and it seems like I can reorder them, but they won't come up in a search for some reason.

 

[RetiredUnit1]

I can see this in my old orders on OSH Park and it seems like I can reorder them, but they won't come up in a search for some reason.

View attachment 39417

You can get five for .95 here

https://www.tubesandmore.com/products/pcb-smd-thru-hole-adapter-sot-23-92-123-pinout

 

[EZS]

You can get five for .95 here

https://www.tubesandmore.com/products/pcb-smd-thru-hole-adapter-sot-23-92-123-pinout

Sweet Ive been using these guys for amp parts, caps, pots etc for over 15 years. Ive had a cart building over time, just tossed some of these on there. Thanks!

 

[swyse]

do you have a link to this project--none of my searches could find it?

https://oshpark.com/profiles/Pakir I believe the board I used was from this user.

 

[Chuck D. Bones]

You can check my article(s) on the BD-2 in Chucks Boneyard for info on JFET subs and biasing.

 

[EZS]

You can check my article(s) on the BD-2 in Chucks Boneyard for info on JFET subs and biasing.

What a great write up!

You can find more than you ever wanted to know about the BD-2 here, here, here & here.

Wow!

 

[RetiredUnit1]

Sweet Ive been using these guys for amp parts, caps, pots etc for over 15 years. Ive had a cart building over time, just tossed some of these on there. Thanks!

If you have a business license, you can apply for a wholesale account at https://www.cedist.com/ . It's the *identical* company, address and website, but with lower prices! I just placed an order with them last night, I have some heyborer transformers for a Champ being delivered tomorrow. Some prices are much lower, some just so so. The MOD electrolytic caps are really great, low prices.

I recently bought a new drill press to replace my 1940's old school and it has a milling type cross sliding vise. By using milling bits I'll be able to make precision square holes in metal now. So I'm going to use the 10x6x2 hammond box to make a chassis for the champ I'm building.

Still have to connect some wires but I have the component positions worked out......

 

[EZS]

If you have a business license, you can apply for a wholesale account at https://www.cedist.com/ .

Im close to retiring from my trade. This is a great tip, or way to save on a fixed income, lol.

 

[Locrian99]

Of note Newark has the mmbf201 in stock I just ordered 100 of them, tho it came out to 26 cents each before shipping.

 

[RetiredUnit1]

Of note Newark has the mmbf201 in stock I just ordered 100 of them, tho it came out to 26 cents each before shipping.

And .37 after shipping! 9.99 flat rate.... I bought 100 of them back in November

 

[RetiredUnit1]

Im close to retiring from my trade. This is a great tip, or way to save on a fixed income, lol.

In California you have to file a DBA (doing business as) in your local newspaper (a special low price add) and then you take that to the county business tax place and give them a nominal fee. After you get that license you can setup accounts at Mojo and CE Dist. Between the two they have just about everything you could need.....

edited: You can probably do this online now, post covid most county functions are online.....

 

[Locrian99]

And .37 after shipping! 9.99 flat rate.... I bought 100 of them back in November

Probably more than I’ll ever need, but figure I don’t want to be searching in a couple years if I need some.

 

[eh là bas ma]

see notes page 1 :

https://lectric-fx.com/wp-content/uploads/2016/04/Bloozehound.pdf

Based on this, I use sk117 on my BD-2 from effectslayout.com and it's great, I like it very much.

I'd say it sounds very close to my other BD-2, Sapphire from Aion. This one is using 2sk 209 smd version :

https://aionfx.com/app/files/docs/sapphire_documentation.pdf

I use the Sapphire more often, but it's just because of the extra bass control. Both sound amazing.

 

[EZS]

see notes page 1 :

https://lectric-fx.com/wp-content/uploads/2016/04/Bloozehound.pdf

Based on this, I use sk117 on my BD-2 from effectslayout.com and it's great, I like it very much.

I'd say it sounds very close to my other BD-2, Sapphire from Aion. This one is using 2sk 209 smd version :

https://aionfx.com/app/files/docs/sapphire_documentation.pdf

I use the Sapphire more often, but it's just because of the extra bass control. Both sounds amazing.

This is great alternative information, Thanks!

 

[MountaintopPedals]

https://www.amplifiedparts.com/products/transistor-j201-jfet-n-channelto-92

 

[EZS]

https://www.amplifiedparts.com/products/transistor-j201-jfet-n-channelto-92

I was just on their site browsing transformers. But $5 for a j201??? skip....

 

[MountaintopPedals]

I was just on their site browsing transformers. But $5 for a j201??? skip....

Just gotta convince people through hole sounds better

 

[spi]

https://oshpark.com/profiles/Pakir I believe the board I used was from this user.

Thanks. Got a dozen of these, for $1.40, shipped. What a bargain!