My passive pre is finally done

tom1356 · 23rd July 2003, 11:06 PM

I can't believe how much I like the end result of my pre-amp project. The TX-102 silver's are just amazing. The rest of my system will be forever playing catch up.

In case you are interested here are the features.

TX-102 silver transformers. 24 position Seiden switch. 6 position Seiden input switches. Six RCA inputs. One XLR input. All the internal silver wire is insulated by oversized cotton. The outputs are hard wired. The front is hand hammered silver. The case is purpleheart. The top and bottom are Corian. The knobs are birds eye maple. The transformers and selector switches are isolated by suspending them from the top. The interior is fully lined in copper. It doesn't photograph well with my cheap digital cam. The little box on top is a remote receiver.
Now on to rebuild the amps to match.

jleaman · 24th July 2003, 02:28 AM

Those are nice tube Mono Block's Very nice gear too.. Great job.

Peter Daniel · 24th July 2003, 02:48 AM

Finally somebody serious about construction details. Great job. What does remote receiver do?

tom1356 · 24th July 2003, 03:17 AM

Peter
The remote receiver allows me to hide the pre amp in a cabinet and still control the volume.

jleaman · 24th July 2003, 03:20 AM

Why would you want to hide such a nice Piece of Equipment... Man id leave it the way it is.. Unless the misses doesn't like that.

Peter Daniel · 24th July 2003, 03:40 AM

Quote:

Originally posted by tom1356
Peter
The remote receiver allows me to hide the pre amp in a cabinet and still control the volume.

I'm not that familiar with Seiden switches, I assumed those where mechanical, rotary switches. so how is the switching done inside preamp when using remote?

jleaman · 24th July 2003, 03:41 AM

maybe a picture of inside ?

Lisandro_P · 24th July 2003, 04:08 AM

That's some seriously good work! I'm also intrigued about that remote, how did you do it?

tom1356 · 24th July 2003, 04:29 AM

This shows the pre upside down with the bottom off (everything is mounted to the top) right before the teflon tubing was removed and replaced with cotton dialectric. After I replaced the teflon with the cotton you can't see anything in there.

tom1356 · 24th July 2003, 04:37 AM

Quote:

Originally posted by Lisandro_P
That's some seriously good work! I'm also intrigued about that remote, how did you do it?

There is an umbilical cord between the pre and the reciever. A stepper motor turns the volume control. The remote itself is a disected keychain remote from rat shack encased in purpleheart with silver accent and corian buttons.

24th July 2003, 02:48 AM	#3
Peter Daniel diyAudio Member Join Date: Jul 2002 Location: Toronto, Canada	Finally somebody serious about construction details. Great job. What does remote receiver do? __________________ www.audiosector.com “Do something really well. See how much time it takes. It might be a product, a work of art, who knows? Then give it away cheaply, just because you feel that it should not cost so much, even if it took a lot of time and expensive materials to make it.” - JC

24th July 2003, 03:17 AM	#4
tom1356 diyAudio Member Join Date: Mar 2002 Location: boston	Peter The remote receiver allows me to hide the pre amp in a cabinet and still control the volume. __________________ My "cult-like" following is accepting applications.

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24th July 2003, 02:28 AM	#2
jleaman Banned Join Date: Apr 2002	Those are nice tube Mono Block's Very nice gear too.. Great job.

24th July 2003, 03:20 AM	#5
jleaman Banned Join Date: Apr 2002	Why would you want to hide such a nice Piece of Equipment... Man id leave it the way it is.. Unless the misses doesn't like that.

24th July 2003, 03:41 AM	#7
jleaman Banned Join Date: Apr 2002	maybe a picture of inside ?

24th July 2003, 04:08 AM	#8
Lisandro_P diyAudio Member Join Date: Oct 2000 Location: Argentina	That's some seriously good work! I'm also intrigued about that remote, how did you do it?

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