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6L6 -

Santa brought me a Timmy for christmas hehe...Fantastic pedal for the TC15!

beautiful!
For me that pedal really shines at gig volumes. I'm often amazed at how rich and juicy it sounds when I step on it for a solo or whatever. OTOH my favorite overdrive with this rig is frequently the volume knob on my guitar. So many options...

That's a fantastic looking build. I agree on the Timmy. I find it really shines on the EF86 channel with a little VRM dialed in. The other OD's that have worked well for me are the Rocket Blue Note and Skreddy's Screwdriver and Hybric Fuzz Driver. Again, I like them better on the EF86. My higher gain pedals (e.g., Wampler Suplerplex) sound way too fizzy, but really, I find I can get everything I need with a Timmy and the Hybrid Fuzz Driver (or the Screwdriver if I want a little more low end fuzziness).

Thanks swhite! I agree the Timmy is a perfect companion pedal to the tc15.


Also reporting that I built another Klon clone and found the culprit of the fizziness (was a recommended resistor swap in the silver pony circuit). The tc15 now sounds fantastic with a Klon!

Thanks for all the Timmy endorsements. I heard a lot of great things about that pedal but didn't know it worked so well with a TC-15. I'll have to check it out.

I have a Silver Pony although I haven't tried it with my TC-15. What is the resistor swap you mentioned? Did the swap clear up the fizziness? Or did the swap cause the fizziness and going back to the original resistor fixed it?

I think with the transparency and the ability to eq pre (treble) and post (bass) gain, the Timmy is yet another way to get more sounds out of an already sonically complex amp.


Im by no means qualified to give too much insight or direction. I stumbled across the info through tons of web research (and dumb luck) And as always... what sounds good to one might not sound good to others and vice versa.

Silver Pony - Stock > (at least for me) Produces fizziness

Original resistor (one capacitor) values per April 2009 schematic by Martin Chittum > No fizziness but less gain

I followed this build: https://aionelectronics.com/project/refractor-centaur-overdrive/

I suggest socketing the resistors, the 1 capacitor and the diodes. I found the D9E diodes to be best for me.

Hi JRS,

Very nice amp, where did you find the perforated plate (grid?) on the back of the cab ?

Thanks. I looked around for a while on amazon and came across this one > https://www.amazon.com/CCG-Perforated-Grill-Mesh-Sheet/dp/B00F3FJYGS. A little pricey, and there are other options out there, but this one for me was the perfect design. Custom Car Grills sells a tone of different options as well. http://www.customcargrills.com/

Thanks, I did not think to look for car parts...

Been really enjoying this amp! Played with a Red Lama fuzz/overdrive clone last night through channel 1 with channel 2 jumpered to add some extra texture and reverb/delay from the Fx Loop. Took me straight back to 90s rock/grunge. Lovin it!

A question for anyone willing to share. I am planning on shaping the tone of the EF86 channel to fit my cabinet/speaker. I want to add a bright switch on the volume pot with two mica capacitor values (bright/vintage tone) for additional options and I want to reduce the bass/mids just slightly.

Potential tweaks

1. Reduce C31 to .047uf

2. Reduce C30 to 22uf or 10uf

3. Do I need to reduce or change the value of R35 to match the reduction of either or both caps?

Thanks!

So I ended up only reducing the bypass cap (C30) to 22uf since the other capacitor (C31) swap altered the bass/tone too much for my taste. I also added the bright switch. Bass tightened up slightly and now I have additional flexibility on Channel 1's high end. Whoohoo!

Also learned a cool little trick for putting reverb on the EF86... On my reverb pedal there is a "kill dry" switch and when I have it engaged, the 2 channels jumped, effects loop on and channel 2 turned up slightly, I get a parallel fx loop. This allows the discrete tone of the EF86 to shine through and not get augmented by the 12AX7s tone as well as having great sounding reverb.

Pics of the bright switch install if anyone is interested. Fits perfectly next to the volume pot.

Wow - that is great stuff! Thank you so much for sharing.

Very welcome. Hope to have some samples soon. Still waiting on the honeymoon phase to wear off. It should wear off soon, shouldn't it? hehe

Nice job on the build. Looks great. Good work on the mods too. Looking forward to clips!

_________________
Stephen
Web: www.trinityamps.com. Facebook: facebook.com/trinityamps. Twitter: @trinityamps

I am planning on sharing as much as possible along the way and hope that everyone will enjoy the pictures.


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Start a build thread?

JRS,

I know this post is a year old now but that cabinet is BEAUTIFUL. I’m looking to build a TC15 of my own, and was hoping to also build an Avalon style cabinet just like this. My father in law is a carpenter, and I thought it might be a nice way to spend some time with him if we built it together.

Did you use any kind of plans when you built the cabinet? If so, could you help a fellow Virginian brother out?

wow... wonderful great sizegenetics pics thanks

That was the circuit i was talking about cheers