'59 Tweed 15W Amp Kit

'59 Tweed 15W Amp Kit

'59 Tweed 15W Amp Kit

Item # 10731
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$849.00
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'59 Tweed 15W Amp Kit

About This Item

The dirty little devil that shaped guitar history
With mysteriously fat saturated tone, this little monster makes it easy to achieve seismic distortion.

This amp's 5E3 circuit is an enigma. Why do the controls on the channel you're NOT using make your tone so great? Some say it's caused by defects in the circuit design, others dive deep into the nuances of the engineering ... but at the end of the day whether it was a happy accident or pure genius, this amp is one of the finest examples of vintage tone available anywhere, at any price.

Just listen to Neil Young's Rust Never Sleeps. From the hint of crunch you hear on the opening note of "My My, Hey Hey", to the warm overdrive in "Powderfinger" and finally the gritty dirt in "Hey Hey, My My" you will see exactly what this little tweed amp is capable of … goosebumps.

StewMac has lovingly recreated this timeless amplifier in our '59 Tweed 15W Amp Kit. This is one of our Icon Kits: loving reproductions of vintage classics.

If building such an iconic classic sounds hard, don't worry. We've gone to great lengths to make this kit something a complete beginner can tackle. The '59 Tweed is a perfect place to start. It comes with all the parts you need to complete this project in just a few evenings.

  • The cabinet interiors are genuine 3/4" North American Pine (not plywood), just like the ones made in the Fullerton factory in the 1950s
  • Superior craftsmanship on the tweed covered exteriors with perfectly aligned seams
  • Premium quality hardware
  • Top-shelf 6V6, 12AX7, 12AY7, 5Y3 tubes and vintage spec Heyboer transformers to give your amp the perfect vintage tone
  • High-quality period-authentic resistors, CTS pots, Orange Drop caps, and Switchcraft jacks for their authentic tone and a lifetime of trouble-free use
  • Authentic fiber eyelet boards just like the ones used in the original vintage amps
  • Period-correct pushback wire
  • 12" Jensen speaker – just like the ones used in the originals
  • We created easy step-by-step instructions for each amp kit, breaking down every task into clear, bite-sized pieces. With hundreds of full-color photographs and illustrations, these instructions make this an easy, fun and rewarding project—even for first-time builders.

Need Help? Our trained staff is standing by!
If you get stuck don't worry, we're here to help. Our amp team is just a phone call away.

You don't need a shop full of tools either!
The great thing about these amp kits is they only require a few relatively inexpensive tools.

Amp cabinet dimensions
Height: 16" (40.64cm)
Width: 20" (50.8cm)
Depth: 9-1/2" (24.13cm)



WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.


Instructions

Product Instructions

'59 Tweed 15W Amp Kit Instructions

The new StewMac '59 Tweed will be a blast to play through and even more fun to build.

Customer Reviews

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4.5
  • 4.67 average rating from 9 reviews
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4.0

First Look, packaging and initial assembly

By

Verified Buyer


Extremely well packaged. Shipped fast and arrived quickly. All parts are quality items. The cabinet is a work of art with the tweed pattern alignment near perfect at the seams and at the two rear panels.

I began assembly after doing a basic inventory of the parts and haven't found anything missing so far. The Manual is spectacular with all steps in a clear and concise format, easy to read and follow. I began at step one and continued step by step in the order specified in the instructions.

My only issue so far is with the mounting of the speaker (my kit came with the 50 watt 8 ohm Jensen). The mounting bolts for the speaker pre-installed in the cabinet for the speaker are not very well aligned. They come out of the baffle board a bit crooked and their spacing doesn't quite match the corresponding holes on the speaker frame. it took some bending of the bolts (I used a deep well1/4 inch socket on an extension) and after getting the speaker to fit on the bolts I still had to use the nuts to get it to pull make sure i to the baffle board. I had to work slowly and carefully to make sure I tightened everything evenly to avoid deforming the speaker frame.

That issue is why I only gave it a four star rating.

I finished the cabinet assembly, prepped the circuit and insulator boards and laid out the parts for the chassis and then called the session to a close. The bit with mounting the speaker was a challenge for a while but I am very satisfied so far. I am really looking forward to completing this build and I am confident that the rest of the process will go well. When I'm finished I will post a followup review and hopefully be able to add the 5th star to the rating. This kit really is very, very cool.


5.0

Addendum to earlier review

By

Verified Buyer


Great kit as stated before. Now that I have lived with the amp, here is my personal opinion. The Texas Heat speaker that is included with the kits is not a good match for this. It is 150W speaker. It just muddled with the lows. I swapped that speaker for a Weber 12" 30W. They have many options for 5E3 amps. This is their classic recommendation. BOOM! This amp is now fantastic! The 30W Weber speaker just makes it. This amp is really a rocker and sounds fantastic.

5.0

Excellent kit!

By

Verified Buyer


StewMac ’59 Tweed Deluxe review

First of all, my experience level is probably fairly high – I have some experience building electronics kits, wiring guitars, soldering, Arduino, all that, but I’ve never built an amplifier of any kind so this was a little bit new to me.

So, the review:

Packing - the kit arrived in beautiful shape, in two boxes, one being the cabinet and the other being everything else. All VERY well packed, and no shipping-related damage whatsoever.

Parts picking – a couple of minor issues with this. On the plus side, the kit came with a meticulously checked-off and signed/dated parts list. However, the kit calls for five shorting jacks and a plain mono jack, but I received six shorting jacks. StewMac support was quick to reply, and they’re sending me a mono jack. (I happened to have a mono jack on hand, so I kept on building.) Also, I found that I ran out of the lovely green cloth/pushback hookup wire early – I ended up using the extra yellow pushback wire to finish the tube heater circuit. Not ideal, but it works the same, of course. I think I’ve seen at least one other review here that commented on this issue.

Instructions – this is a strong point for StewMac. There are a number of other vendors in the tube amp clone business, but none of them seem to have instructions that are anywhere near this good. (Some of them just send you a circuit diagram – I guess that works if you’ve built a lot of amps.) Very clear instructions, suitable for a newbie.

Parts quality – nice! No skimping that I can see. Chassis and cab very well done. I did find that the speaker bolt premounted in the cabinet were pointing in all different directions, which made lining up the holes in the speaker frame with the bolts pretty tricky. I ended up having to bend the bolts to straighten them out, but it was still hard to get the torque right on all of them with that angled installation to keep the frame from warping. In retrospect, I should have used hollow-shaft nut drivers to straighten the bolts up.

Difficulty – not difficult, as long as you’re good with your hands and have a lot of things like hemostats and so on to help with bending the wires to wrap them to terminals, as there is some tight wiring, especially around the tube sockets. I’d recommend the aforementioned hollow-shaft nut drivers (SAE) for a few parts of the job, like mounting the power transformer, which requires tightening nut on some very confined spaces in the corners of the chassis.
Results – Worked the first time, and sounds great! A couple of the high-voltage reading came out a little lower than recommended (i.e., not within the 10% range they suggest), but it seems to work fine, and as far as I can tell, it sounds like a Tweed Deluxe, which is to say, sweet.

4.0

Great Amp Kit.  Few issues

By

Verified Buyer


I own an original 57 Tweed Deluxe. I have always wanted to build an amp and this was the one. There are a few minor issues but the kit is great and the sound is super although a little bit on the dark side.
The Good:
First of all the parts are packaged very well. I love the fact that they come in plastic divider boxes. That is a very nice touch. The cabinet is well made and beautiful. The instruction manual is top-notch and very clear. It takes you step by step. I learned a lot about voltages and the dangers of those. They really walk you through checking your work and using your multimeter. The amp went together beautifully and after checking everything, it worked the first time. The sound is just great although it is a bit dark even in the bright channel. It definitely sounds better with single coils.

The bad:
My kit had some wrong tubes included. I called Stew-Mac and they sent the correct tubes. Great service, but a silly mistake that delayed me a bit. Secondly, The green heater wire was short by about a foot. I had to go to an auto store to find similar gauge wire to finish the job. It works but it spoiled the "vintage" look and feel. Oddly, they sent about two feet extra of the yellow jumper wire.
A bit more attention to detail would have been nice. I was a little surprised.
The last bit that has been mentioned is the substitution of the Eminence speaker of the original Jensen. The Eminence sounds good, but maybe that is the reason for the darker sound. I may try a Jensen like my original.

Overall this was a very fun experience and I like the amp. I will definitely build one of their other kits. I can't say enough about the great instructions. If not for the missing parts, this is a definite 5 Star review.

4.0

Very good kit, with a couple of issues

By

Verified Buyer


Overall, this is a very good kit, especially for a novice amp builder like me. The instruction manual is well done, with clear step-by-step instructions and illustrations. If you follow the manual, you really can’t go wrong. There are a couple of very minor errors/omissions, but they don’t affect the build. The parts are all high quality, and the components come conveniently sorted into two divider boxes. The cabinet is well-built, with perfectly matched tweed seams. I don’t need to tell you how great the amp sounds when it’s done.

I’m giving this 4/5 stars for two reasons. First, when I ordered this kit, it was described as coming with a Jensen speaker “just like the original.” It actually came with an Eminence Texas Heat speaker, which is a very different animal. The description has since been changed on the website. I put a more vintage tweed sounding speaker in this amp and will use the Eminence somewhere else. Second, my kit was short about 10” of the green push-back wire used for the heater circuit. StewMac said they were out of the green wire and sent me something else that didn’t match. This probably doesn’t happen very often, so I wouldn’t hesitate to recommend this kit to anyone for whom the speaker choice is not a deal breaker.

5.0

This amp sounds AMAZING !!!

By

Verified Buyer


Easy Build, instructions are geared more towards the beginners and are very detailed.
Being a experienced builder I feel a lot of the soldering could have been done along the way instead of being completed in the last steps.
My Amp is dead quite, no hum or noise, just pure tone. I immediately replaced my Fender Deluxe Reverb I use on stage with this Amp.
If you can solder, you can build this.
Loads of fun, for a ton of Tone

5.0

My new favorite amp.

By

Verified Buyer


Hats off to StewMac for this one! The components are all top notch and the instructions are better than excellent. I now have a a great sounding amp that is dead quiet at idle and positively screams when pushed. I had been looking for a 5E3 kit for a while and I couldn't have picked a better one. Now I'm hoping to see them offer an AC15 kit!

5.0

Love this amp :)

By

Verified Buyer


Kit arrived within 3 days of ordering. Top-notch packaging. All bits there except for a few screws (which were promptly sent by Stewmac). Great presentation out of the box.
Couple of very minor issues/omissions in the instructions, which are otherwise fantastic. Stewmac support was 100% excellent (thanks Matt).
Followed the instructions carefully, and at the end, my amp sounds brilliant. Couldn't ask for a better kit.
Love it to death :)

Dominic, Melbourne Australia

5.0

Great kit!

By

Verified Buyer


I have built kits amps from other providers, but the attention to detail and point by point instruction makes this the best one hands down! The team at StewMac made this build easy to understand and fun to do. Any further questions I had concerning voltages, etc. were answered quickly and now I have an amazing sound amp.