Official Luthiers Forum! :: View topic - End pin jack of an archtop guitar

Hello. I need advice on the end pin jack of an archtop guitar.

Situation: first archtop build (f holes). Now the back is already glued to the sides, ready for glueing the top. I will use a Bebedetto tailpiece fastener for fix the tailpiece.

I would need to know first when it is time to install the end pin jack and if it is enough to fix it with the nut or it is better to apply epoxy or something similar.

I have seen in Benedetto's book a end pin jack with a double channel (one channel for the tailpiece fastener and another for the strap, I suppose), but I can't find it. I have a pin with only one channel. it is ok?

I thank you in advance for your help.

Do NOT use epoxy. You want the guitar to be repairable in case the jack goes bad.

Juan CAR wrote:

StewMac used to sell a double ring jack but don't appear to any longer. This is what they suggest now. https://www.stewmac.com/video-and-ideas ... tructions/

I am personally not a fan of that whole system, although many peoples mileage may vary.
I find a metal bracket screwed to the tailpiece , then, using the end pin jack as a “clamp” sturdier and more reliable.

Sent from my iPhone using Tapatalk

Brad Goodman wrote:

I consider this option a very interesting alternative. And do you use a hinge to make the angle more flexible?

I tend to agree with you Brad. For the most part, the Benedetto way works well, although the one thing I really don't like about the Benedetto way is the tailpiece fulcrum sitting directly on the top, causing a little dent and finish damage over time. There are ways around this including inlaying a small piece of bone or hardwood in the top.

I had an end pin holding a strap fail. I’ve posted it elsewhere, but it made such an explosive sound I did something involuntary and messy (in the immortal words of Sid the Sloth).

I am not sure what distinction you are making, but it was an end pin Jack which is what I believe the op was asking about.

Sent from my iPhone using Tapatalk Pro

Juan CAR wrote:

Brad Goodman wrote:

I consider this option a very interesting alternative. And do you use a hinge to make the angle more flexible?

I don’t use a hinge I just bend the bracket in a vice.
It doesn’t need to be flexible. I just bend it to the correct angle.

Sent from my iPhone using Tapatalk

here’s a picture of a Buscarino Tailpiece with a hinge, and this also shows how it’s attached on the underside.

rlrhett wrote:

I am not sure what distinction you are making, but it was an end pin Jack which is what I believe the op was asking about.

Sent from my iPhone using Tapatalk Pro

Sorry, brainfart. I was thinking more the Benedetto system and had wooden pins stuck in my head for some reason.

Author:	Juan CAR [ Thu Mar 30, 2023 9:32 am ]
Post subject:	End pin jack of an archtop guitar
Hello. I need advice on the end pin jack of an archtop guitar. Situation: first archtop build (f holes). Now the back is already glued to the sides, ready for glueing the top. I will use a Bebedetto tailpiece fastener for fix the tailpiece. I would need to know first when it is time to install the end pin jack and if it is enough to fix it with the nut or it is better to apply epoxy or something similar. I have seen in Benedetto's book a end pin jack with a double channel (one channel for the tailpiece fastener and another for the strap, I suppose), but I can't find it. I have a pin with only one channel. it is ok? I thank you in advance for your help.

Author:	Chris Pile [ Thu Mar 30, 2023 12:04 pm ]
Post subject:	Re: End pin jack of an archtop guitar
Do NOT use epoxy. You want the guitar to be repairable in case the jack goes bad.

Author:	Darrel Friesen [ Thu Mar 30, 2023 12:06 pm ]
Post subject:	Re: End pin jack of an archtop guitar
Juan CAR wrote: Hello. I need advice on the end pin jack of an archtop guitar. Situation: first archtop build (f holes). Now the back is already glued to the sides, ready for glueing the top. I will use a Bebedetto tailpiece fastener for fix the tailpiece. I would need to know first when it is time to install the end pin jack and if it is enough to fix it with the nut or it is better to apply epoxy or something similar. I have seen in Benedetto's book a end pin jack with a double channel (one channel for the tailpiece fastener and another for the strap, I suppose), but I can't find it. I have a pin with only one channel. it is ok? I thank you in advance for your help. StewMac used to sell a double ring jack but don't appear to any longer. This is what they suggest now. https://www.stewmac.com/video-and-ideas ... tructions/

Author:	Brad Goodman [ Thu Mar 30, 2023 1:19 pm ]
Post subject:	Re: End pin jack of an archtop guitar
I am personally not a fan of that whole system, although many peoples mileage may vary. I find a metal bracket screwed to the tailpiece , then, using the end pin jack as a “clamp” sturdier and more reliable. Sent from my iPhone using Tapatalk

Author:	Juan CAR [ Thu Mar 30, 2023 3:21 pm ]
Post subject:	Re: End pin jack of an archtop guitar
Chris Pile wrote: Do NOT use epoxy. You want the guitar to be repairable in case the jack goes bad. Thank you for the advice!

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Author:	Juan CAR [ Thu Mar 30, 2023 3:26 pm ]
Post subject:	Re: End pin jack of an archtop guitar
Darrel Friesen wrote: Juan CAR wrote: Hello. I need advice on the end pin jack of an archtop guitar. Situation: first archtop build (f holes). Now the back is already glued to the sides, ready for glueing the top. I will use a Bebedetto tailpiece fastener for fix the tailpiece. I would need to know first when it is time to install the end pin jack and if it is enough to fix it with the nut or it is better to apply epoxy or something similar. I have seen in Benedetto's book a end pin jack with a double channel (one channel for the tailpiece fastener and another for the strap, I suppose), but I can't find it. I have a pin with only one channel. it is ok? I thank you in advance for your help. StewMac used to sell a double ring jack but don't appear to any longer. This is what they suggest now. https://www.stewmac.com/video-and-ideas ... tructions/ Very useful. Thank you very much!

Author:	Juan CAR [ Thu Mar 30, 2023 3:30 pm ]
Post subject:	Re: End pin jack of an archtop guitar
Brad Goodman wrote: I am personally not a fan of that whole system, although many peoples mileage may vary. I find a metal bracket screwed to the tailpiece , then, using the end pin jack as a “clamp” sturdier and more reliable. Sent from my iPhone using Tapatalk I consider this option a very interesting alternative. And do you use a hinge to make the angle more flexible?

Author:	Brad Goodman [ Thu Mar 30, 2023 9:31 pm ]
Post subject:	End pin jack of an archtop guitar
Juan CAR wrote: Brad Goodman wrote: I am personally not a fan of that whole system, although many peoples mileage may vary. I find a metal bracket screwed to the tailpiece , then, using the end pin jack as a “clamp” sturdier and more reliable. Sent from my iPhone using Tapatalk I consider this option a very interesting alternative. And do you use a hinge to make the angle more flexible? I don’t use a hinge I just bend the bracket in a vice. It doesn’t need to be flexible. I just bend it to the correct angle. Sent from my iPhone using Tapatalk here’s a picture of a Buscarino Tailpiece with a hinge, and this also shows how it’s attached on the underside.

Author:	Hesh [ Fri Mar 31, 2023 5:33 am ]
Post subject:	Re: End pin jack of an archtop guitar
Nice Brad!!! Juan you will get more replies if you post pics of what you speak of. Thanks.

Author:	Darrel Friesen [ Fri Mar 31, 2023 10:23 am ]
Post subject:	Re: End pin jack of an archtop guitar
Brad Goodman wrote: I am personally not a fan of that whole system, although many peoples mileage may vary. I find a metal bracket screwed to the tailpiece , then, using the end pin jack as a “clamp” sturdier and more reliable. Sent from my iPhone using Tapatalk I tend to agree with you Brad. For the most part, the Benedetto way works well, although the one thing I really don't like about the Benedetto way is the tailpiece fulcrum sitting directly on the top, causing a little dent and finish damage over time. There are ways around this including inlaying a small piece of bone or hardwood in the top. The last few I did were similar to yours although they were also screwed to the body like the Buscarino you showed.

Author:	rlrhett [ Fri Mar 31, 2023 11:24 am ]
Post subject:	Re: End pin jack of an archtop guitar
I had an end pin holding a strap fail. I’ve posted it elsewhere, but it made such an explosive sound I did something involuntary and messy (in the immortal words of Sid the Sloth). I use a marine brass hinge inlayed into the tailpiece similar to that Buscarino tailpiece. Unfortunately I seem unable to find them again. I wish I had bought two dozen of them when I had a chance. Sent from my iPhone using Tapatalk Pro

Author:	Ken Nagy [ Fri Mar 31, 2023 12:11 pm ]
Post subject:	Re: End pin jack of an archtop guitar
Darrel Friesen wrote: I tend to agree with you Brad. For the most part, the Benedetto way works well, although the one thing I really don't like about the Benedetto way is the tailpiece fulcrum sitting directly on the top, causing a little dent and finish damage over time. There are ways around this including inlaying a small piece of bone or hardwood in the top. I did my first one like a cello, or violin, with a saddle cut into the top, and resting on the lower block. The little one I'm finishing up now I'll use a bent brass attachment. This is a nice violin in baroque set up. My guitar one has grooves for the cord. My eyes got the pin hole way off center! The grooves worked though. The bridge wanted to walk at first; then I realized my eyeballs were off. Attachment: vn155-BaroqueStainer-Saddle-2000px-1822186116.jpeg

Author:	Darrel Friesen [ Sat Apr 01, 2023 3:27 pm ]
Post subject:	Re: End pin jack of an archtop guitar
That's a good solution too Ken. I've seen similar ones done with bone as well.

Author:	rlrhett [ Sun Apr 02, 2023 12:27 am ]
Post subject:	Re: End pin jack of an archtop guitar
I am not sure what distinction you are making, but it was an end pin Jack which is what I believe the op was asking about. Sent from my iPhone using Tapatalk Pro

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Author:	Darrel Friesen [ Sun Apr 02, 2023 12:22 pm ]
Post subject:	Re: End pin jack of an archtop guitar
rlrhett wrote: I am not sure what distinction you are making, but it was an end pin Jack which is what I believe the op was asking about. Sent from my iPhone using Tapatalk Pro Sorry, brainfart. I was thinking more the Benedetto system and had wooden pins stuck in my head for some reason.

Author:	Juan CAR [ Sun Apr 02, 2023 2:08 pm ]
Post subject:	Re: End pin jack of an archtop guitar
Brad Goodman wrote: Juan CAR wrote: Brad Goodman wrote: I am personally not a fan of that whole system, although many peoples mileage may vary. I find a metal bracket screwed to the tailpiece , then, using the end pin jack as a “clamp” sturdier and more reliable. Sent from my iPhone using Tapatalk I consider this option a very interesting alternative. And do you use a hinge to make the angle more flexible? I don’t use a hinge I just bend the bracket in a vice. It doesn’t need to be flexible. I just bend it to the correct angle. Sent from my iPhone using Tapatalk here’s a picture of a Buscarino Tailpiece with a hinge, and this also shows how it’s attached on the underside. Thank you very much for your kind info. The pictures are also very valuable. Thank too to the other members that have written replies with interesting info. Now I have a idea about how to proceed. I will go flor the brass option since seem to me more resistent, is cheaper and more easy to found in Europe. In relation to fasten the end pin jack I will use just the nut and the washer supplied with the item, but I’m worried this can became loosen after a time in a f hole instrument!

Author:	Juan CAR [ Sun Apr 02, 2023 2:12 pm ]
Post subject:	Re: End pin jack of an archtop guitar
Darrel Friesen wrote: rlrhett wrote: I am not sure what distinction you are making, but it was an end pin Jack which is what I believe the op was asking about. Sent from my iPhone using Tapatalk Pro Sorry, brainfart. I was thinking more the Benedetto system and had wooden pins stuck in my head for some reason. Sorry for not include pictures before. Yes, is a very similar end pin: