Show me your 1590A enclosures/pedals...

[tubelectron]

You can use small litium batteries @3V like this ones and pack them together to get 3x3=9V.



Yes, solderman : it is a good idea "to save room" in the 1590A that I already thought about, but not tested it... Why ? I think that this kind of battery is just able to power one 2N3904 and nothing more, with a questionable battery life expectancy and moreover at a much higher cost than the standard 9V battery. But I may be wrong : have you got some experience about powering stompboxes with such batteries ?

A+ !

[solderman]

As I posted earler
I used it with a Fuzz Face. I have not used it much so I cant really say something about the battery life time but it works.

A  CR 2016  (Ø20,0x1,6) is 3V and  mAh

[tubelectron]

Thanks solderman.

Anyway, the "CR 2016 x 3" idea is to be considered and to be tested, simply because it saves a lot of place compared to a 9VDC Std batt. If it worked with a FF, then probably a lo-pwr.  single 2N5457 booster should gave good results in terms of batt. life duration : I will dig it. Wait and See...

A+!

[amptramp]

There are standard 12 volt tubular batteries that are very small.  I have one in the car alarm keyfob.  Mine is an Energizer A23 which is 1.14 inches long by 0.4 inches diameter and may be able to power a small effect like a single FET amplifier.

[tubelectron]

Thanks amptramp for the suggestion.

I found that the cost in France for an Energizer A23 is around 5 euro ( 6-7 USD), around the half for a battery holder, and this seems not to be an esoteric model. So it's a very good alternative to the classic 9VDC. I'll look further.

A+!

[amptramp]

Thanks amptramp for the suggestion.

I found that the cost in France for an Energizer A23 is around 5 euro ( 6-7 USD), around the half for a battery holder, and this seems not to be an esoteric model. So it's a very good alternative to the classic 9VDC. I'll look further.

A+!

I get them locally at Sayal (in the Toronto area) for $2.  If your current drain is very light, they should be OK.

[Br4d13y]

i used one of those to power a ruby in a small enclosure. they work great

[tubelectron]

Well, the A23 batteries are cheaper in Toronto than in Paris : let's face this awful drama...

Thank you guys for your advices and suggestions on battery compactness.

A+!

[solderman]

Hi
Finally found time to build the MXR phase 90. I discovered and corrected a trace error at IC3 so now the layout is corrected and verified. I'm not going to box this build since I did not have any 2N5457 in stock and used 4 not that well matched 2N5485. It does not sound as good and swoooshy as my Tonepad build with matched 2N5457 and I had to jumper around the trace error. But this is what it look like "inside".




And here is the parts layout and PCB transfer

http://solderman.fatabur.se/MXR90/P90 PCB.pdf
http://solderman.fatabur.se/MXR90/P90.pdf

[darron]

awesome job!

always wondered, where do you get those cool MKT caps?

[dune2k]

awesome job!

always wondered, where do you get those cool MKT caps?

Are those that rare in the US? They're MKS btw, MKTs look a little different.
I'm living in Germany and they're the cheapest ones you can get here (about 0.12 - 0.50 Euro a pice) aside from those super cheap crappy caps...

[solderman]

Thank's

As dune2k wrote They are all over the place her in Europe and you can probably get them down under as well.

check out  this, 2 EU and one US
http://www.banzaieffects.com/
http://www.musikding.de/index.php/language/en/XTCsid/fd7a910ad20ed03921316721eeeb0e47
http://www.smallbearelec.com/home.html

[tubelectron]

Well, the A23 batteries are cheaper in Toronto than in Paris : let's face this awful drama...

Thank you guys for your advices and suggestions on battery compactness.

A+!

Today I found a pack of 2 A23 Energizer batteries for 6,25 Euros at the local supermarket : compact, cheap and even not rare. That' what I will use to power my release to come in a 1590A box.

Thanks again for your infos,

A+!

[darron]

ah i see. thanks solderman. i don't think smallbear has them as i've never been able to see them... i guess i'll need to bight the bullet and get some from banzai or something (:

[deadastronaut]

can i get these boxes in the uk?.........i havent seen them anywhere....??

i want to make a little(obviously lol)..2 watt amp head..

edit..found em...lol...pricey though...


£5:17 for the box...£12.00 to deliver..from mouser uk....wtf?..arghhhhhhhhhhhhhh...

i'm not paying that.....    .

[1878]

They've got them in my local Maplin. About 3 quid.

[deadastronaut]

They've got them in my local Maplin. About 3 quid.

oh right, im off there tommorow...need a bigger bread board....i'll have a look...cheers.

[blooze_man]

Fuzz Face...

[pete27]

my muff fuzz!

[solderman]

Hi I posted this in the Pictures thread but  this might be a more suitable place.

This is the supreme compressor "Diana Ross".
It's a layout that will build both the MXR Dyna Comp and the Ross Compressor. All fitted in a small box. Of cause it will fit in whatever bigger box as well. The layout is based on the schematic found on Tonepad but what I understand it is stock. I made some mods suggested by Mark Hammer (see fuzzcentral.com)   The tin can is a NOS mojo CA3080 OTA made in India, that I by mistake ordered from Small bear in stead of a DIL8 but I think it looks cool.







And here are the project files

http://solderman.fatabur.se/Diana Ross/Diana Ross PCB.pdf

http://solderman.fatabur.se/Diana Ross/Diana Ross Project File.pdf