Search found 30 matches

by tob
Fri Mar 04, 2011 11:27 am
Forum: Trainwreck Discussion
Topic: my express squels like a pig!
Replies: 12
Views: 3092

Re: my express squels like a pig!

Have you tried various tubes in the V1 position? I had to go through a couple of them to get rid of nasty feedback.
by tob
Mon Oct 25, 2010 1:25 pm
Forum: Technical Discussion
Topic: Xits Amps
Replies: 24
Views: 10053

Re: Xits Amps

Here's a high quality demo of the X10 by Greg V:

http://www.youtube.com/watch?v=KGpIRj6MZTM

Cheers,
Tob
by tob
Mon Apr 26, 2010 8:46 am
Forum: Technical Discussion
Topic: Chassis lettering
Replies: 5
Views: 2249

Re: Chassis lettering

If you have a color laser printer you could try printing the white text mirror-inverted onto a highly glossy paper (sticker paper works best) and then iron it onto the chassis with a hot iron. This technique works well on plain aluminum. It might work on powder coating, too.
by tob
Mon Apr 26, 2010 5:44 am
Forum: Trainwreck Discussion
Topic: Express blows fuse when powering it on
Replies: 10
Views: 2452

Re: Express blows fuse when powering it on

Moving to a 1.6A slow blow fuse solved the problem. Thanks guys!
by tob
Wed Apr 21, 2010 11:14 am
Forum: Trainwreck Discussion
Topic: BC Components 2222368 series caps
Replies: 3
Views: 1195

BC Components 2222368 series caps

Has anybody by chance used BC Components 2222368 series caps in their builds? They're the only polyester orange drops I have easy access to and I'm wondering if they're worth a try.

Thanks!
Tobias
by tob
Mon Apr 12, 2010 8:00 pm
Forum: Trainwreck Discussion
Topic: Express blows fuse when powering it on
Replies: 10
Views: 2452

Re: Express blows fuse when powering it on

Do you have a slow blow fuse in there? Is the fuse rated correctly? Pics I use a 1A (230V!) slow blow fuse. Same as with any other amp I've built so far. Will post pics as soon as I have the opportunity to take some. The voltages all look coherent. B+ is a bit high at 410V but the voltage drops as ...
by tob
Mon Apr 12, 2010 7:58 pm
Forum: Trainwreck Discussion
Topic: Express blows fuse when powering it on
Replies: 10
Views: 2452

Re: Express blows fuse when powering it on

Good gut shot pictures would help. Voltage chart as well. Is this a brand new build? firing up for the first time? Or has this amp been working fine and now all of a sudden it's blowing the fuse? It's a brand new build and it has behaved that way from the start. Unfortunately the amp and I are in d...
by tob
Mon Apr 12, 2010 7:11 pm
Forum: Trainwreck Discussion
Topic: Express blows fuse when powering it on
Replies: 10
Views: 2452

Express blows fuse when powering it on

My latest Express build behaves a little weird when turning it on: With bulb limiter (60W bulb) it powers up fine (Power OFF, Standby OFF -> Power ON, Standby OFF -> Power ON, Standby ON). When plugged into the wall socket directly after this procedure the power up process above works fine, too, and...
by tob
Sat Dec 19, 2009 5:29 am
Forum: Trainwreck Discussion
Topic: Few TW Express questions
Replies: 16
Views: 5213

Re: Few TW Express questions

None. You simply won't need it. The Express covers the entire range from sparkling clean to dirty overdrive with a turn of your guitar's volume pot.
by tob
Thu Dec 03, 2009 8:11 am
Forum: Trainwreck Discussion
Topic: treble pot
Replies: 6
Views: 1645

Re: treble pot

http://www.duncanamps.com/tsc/ will show you the difference. Just throw in the 1M and 250K value and compare the frequency curves.
by tob
Sun Nov 22, 2009 6:51 am
Forum: Technical Discussion
Topic: Best paper for DIY printed circuit boards?
Replies: 32
Views: 8033

Re: Best paper for DIY printed circuit boards?

on a slightly unrelated note...

You can also use this technique to label your amp:

[img:800:533]http://img44.imageshack.us/img44/6806/img6654t.jpg[/img]
by tob
Sun Nov 15, 2009 11:45 am
Forum: Trainwreck Discussion
Topic: Sourcing Transformers for Express Clone
Replies: 30
Views: 8190

Re: Sourcing Transformers for Express Clone

Is Ingo successfully delivering again though? I will see, so far I haven't had any issue, got my stuff in time and as he's doing the Irons now as a hobby I recognized that it will take time before I get my stuff. However, I also know what had been through in the past.. nothing you would want to see...
by tob
Fri Nov 06, 2009 1:25 pm
Forum: Trainwreck Discussion
Topic: Stancor - Pacific - Heyboer - Marstran - MM - Edcor - Ceria
Replies: 62
Views: 22593

Re: Stancor - Pacific - Heyboer - Marstran - MM - Edcor - Ceria

I'd be interested in hearing stories of ppl who often stray from the "norm" When I built my Express clone ( http://ampgarage.com/forum/viewtopic.php?t=5054 ) I didn't know there was a "norm" so I took transformers that were available to me: a toroidal PT and the Hammond Fender Deluxe OT. I was buil...
by tob
Wed Nov 04, 2009 8:51 am
Forum: Trainwreck Discussion
Topic: TW Express...just another clone!
Replies: 15
Views: 6285

Re: TW Express...just another clone!

If you don't want to build the filter cap stack you could get radial JJ caps (40+20+20+20 and 50+50) but I second James in that F+T caps would work very well. I've used both in Express builds. Antique Electronic Supply (http://www.tubesandmore.com/) carries 6PS caps. I can recommend Wima MKS4 caps, ...
by tob
Fri May 30, 2008 12:12 pm
Forum: Trainwreck Discussion
Topic: Yet another Cap question.
Replies: 10
Views: 2184

Re: Yet another Cap question.

Anders, you can use the Mallorys or Wima MKS4s if you buy from Banzai. I built my Express clone using the MKS4s and it sounds killer. Tubetown, another German store (http://www.tube-town.net/ttstore/), also has Roederstein MKT 1813s, which are pretty good sounding. They're rated at 400VDC though, so...