the English Channel.

[darrylportelli]

Hey. My friend built the English channel from runoffgroove : http://www.runoffgroove.com/englishchannel.html and It is not working. I asked if I can debug it. problem is that it has a very fuzzy sound and he soldered the jfets directly not on sockets so Im gona try replacing them. Do you think that the jfets are the problem here??

[kurtlives]

Check the voltage on the drain's, should be 4.5V.

[Paul Marossy]

Check the voltage on the drain's, should be 4.5V.

+1. However, Q3 should be 9V since it's connected directly to the 9V power supply.

[Joe]

That's a pretty clever name for that circuit.

[Paul Marossy]

That's a pretty clever name for that circuit.

I thought so, too.

[doitle]

I'd love to try to build one of these as I think they sound really neat but it's way more complicated than I'd be capable of at this point in time... :/

Has anyone used a PCB from OLC: http://olcircuits.com/olc_englishchannel.html to build this? 15$ Doesn't seem so bad... I'm sure I could build it on a PCB just not breadboard/protoboard...

[darrylportelli]

15$ sounds like a rip off when you can make your own for around 2 $ or less.The only thing you need is FeCl3(ferric chloride etchant) a blank pcb and a laser copier(go to the local copy shop) then check out the toner transfer method to do pcbs...works like a charm every time.

[Paul Marossy]

I'd love to try to build one of these as I think they sound really neat but it's way more complicated than I'd be capable of at this point in time... :/

Has anyone used a PCB from OLC: http://olcircuits.com/olc_englishchannel.html to build this? 15$ Doesn't seem so bad... I'm sure I could build it on a PCB just not breadboard/protoboard...

It's very simple if you follow the perfboard layout at ROG. The most difficult part would be wiring the pots so they work correctly. I still occassionally mess those up even after all these years.

I agree that the RTS PCB would be easier still.

[DougH]

15$ sounds like a rip off when you can make your own for around 2 $ or less.The only thing you need is FeCl3(ferric chloride etchant) a blank pcb and a laser copier(go to the local copy shop) then check out the toner transfer method to do pcbs...works like a charm every time.

$15 is pretty much the going rate for a fabbed one-off PCB board someone else did the artwork for.

[Paul Marossy]

15$ sounds like a rip off when you can make your own for around 2 $ or less.The only thing you need is FeCl3(ferric chloride etchant) a blank pcb and a laser copier(go to the local copy shop) then check out the toner transfer method to do pcbs...works like a charm every time.

$15 is pretty much the going rate for a fabbed one-off PCB board someone else did the artwork for.

I don't think that is a bad price considering the costs to do small PCB production runs.

[DougH]

Nope, not at all. It's well worth it to me. Doing a one-off PCB is way more of a PITA than it is worth. I can usually whip something up on perf board in about a tenth of the time & hassle.