Search found 12 matches

by Spinoo
Tue Sep 16, 2014 6:53 am
Forum: Technical Discussion
Topic: Pedal Building CE Marking
Replies: 13
Views: 3190

Re: Pedal Building CE Marking

You have to go to the IEC website and buy all applicable norms first. Of course it's up to you to find what's applicable :? But they offer previews which can help on this. For such pedals you don't have to pass the low voltage directive as you found out, so I'd probably comply with RoHS by compiling...
by Spinoo
Thu Mar 13, 2014 7:18 pm
Forum: Technical Discussion
Topic: Merren transformers
Replies: 16
Views: 4579

Re: Merren transformers

Well I also got no answer, maybe because you are in Italy and I am in France and he's already too busy for the US market?
by Spinoo
Tue Jun 05, 2012 5:19 pm
Forum: Garage Talk
Topic: i needed a drill press (cool tool idea) for eyelet install
Replies: 4
Views: 1552

Re: i needed a drill press (cool tool idea) for eyelet install

Could it be used for staking eyelets and turrets? I don't know if it's strong enough and if there's enough clearance under the base to fit a staking tool base like the one from turretboards.com :?:
by Spinoo
Fri Feb 10, 2012 10:17 pm
Forum: Technical Discussion
Topic: Current Rating West Labs 15W PT?
Replies: 2
Views: 934

Re: Current Rating West Labs 15W PT?

15 watt Power: T542030 Cutout 2” x 2½” 575 volt ac ct 100 ma 6.3 volt 4 amps 5.0 volt 3 amps 15 watt Choke: T541949 Inductance 6 Henries 15 watt Output: T541954 Cutout 1¾” x 2¼” Primary Impedance 4000 ohms – Preferred by Boutique Manufacturers! Secondary Impedance 4,8,16 ohms
by Spinoo
Wed Apr 27, 2011 11:03 am
Forum: Technical Discussion
Topic: Who knows a good European Source for these captive nuts?
Replies: 10
Views: 3040

Re: Who knows a good European Source for these captive nuts?

OK thanks,

looks like they ship international :)
by Spinoo
Wed Apr 27, 2011 10:54 am
Forum: Technical Discussion
Topic: Who knows a good European Source for these captive nuts?
Replies: 10
Views: 3040

Re: Who knows a good European Source for these captive nuts?

So what did you choose finally? I'm in the same boat :)
by Spinoo
Mon Feb 11, 2008 5:44 pm
Forum: Garage Talk
Topic: ACPlink?
Replies: 4
Views: 1586

Re: ACPlink?

by Spinoo
Tue Jul 17, 2007 4:42 pm
Forum: Technical Discussion
Topic: Solder Preferences
Replies: 11
Views: 3556

Re: Solder Preferences

Thanks, I'll try that !
by Spinoo
Mon Jul 16, 2007 1:54 pm
Forum: Technical Discussion
Topic: Solder Preferences
Replies: 11
Views: 3556

Re: Solder Preferences

Hello,

What do you use to clean the amber residue ? Does a special solder material exist without this "side-effect" ?

Thanks,
Spinoo.
by Spinoo
Sat Jan 06, 2007 9:51 am
Forum: Technical Discussion
Topic: Power supply capacitors
Replies: 15
Views: 5759

Re: Power supply capacitors

Hi, you should try to identify your noise : is it 60Hz or 120Hz ? Then you'll know if ot comes from the high voltage rail or from a magnetic coupling or heaters' supply.
by Spinoo
Thu Jan 04, 2007 1:40 pm
Forum: Technical Discussion
Topic: Power supply capacitors
Replies: 15
Views: 5759

Re: Power supply capacitors

Well to make sure you power supply is correctly sized you could use Duncan's PSU Designer. I was talking about a standalone preamp - nothing in common with a Trainwreck - my friend used a PT with the secondary rated @ 80mA and after simulation his cap choices caused current peaks @ 400mA. He used no...
by Spinoo
Wed Jan 03, 2007 10:56 pm
Forum: Technical Discussion
Topic: Power supply capacitors
Replies: 15
Views: 5759

Re: Power supply capacitors

One must add that with a capacitor input filtering the transformer has to 'fill' at least the first capacitor (depends if you're using a choke to smooth the screens' supply) in a very small time, which leads to very high current spikes. These spikes cause the power transformer to heat as magnetic sa...