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PAXPHIL LJ45 Cylinder Output Jack, Chrome
The PAXPHIL LJ45 is a modular cylinder jack for a 1/4" (6.35 mm) plug that screws directly into an electric guitar body. Instead of a plate and a separate socket you get one compact unit: a Ø11.8 mm threaded barrel and an overall length of 55 mm. The jack has 3 contacts, so it works with both passive and active electronics. The finish is chrome, and the photos show a rubber O-ring under the head.

🏆 SoundsGood — official Paxphil dealer in Ukraine: genuine gear only, with full warranty and service support.
Modular Design: No Wobbling Plug
As JAM explains, a modular jack outlasts a regular open socket, and the plug sits snugly in it without working loose. That is exactly what you need when the old jack has started to crackle and drop the signal whenever the cable moves.

A Third Contact for Active Electronics
According to JAM, the third contact closes the power circuit of active electronics, so the battery does not drain when the plug is out. On a guitar with passive pickups it can simply be left unconnected.
Dimensions for Installation
The threaded part is 11.8 mm in diameter and 33.5 mm long, and the jack's overall length is 55 mm. These figures make it easy to check whether the body has enough depth and wall thickness at the mounting point.
Specifications
| Type | Cylinder output jack, modular |
| Plug | 1/4" (6.35 mm) jack |
| Contacts | 3 |
| Mounting | Threaded, screws into the body |
| Threaded Part Diameter | 11.8 mm |
| Threaded Part Length | 33.5 mm |
| Overall Length | 55 mm |
| Finish | Chrome |
| Model | LJ45 |
| Included | Jack, as shown in the product photo |
| Country of Manufacture | Korea |
| Warranty | 12 months (electronic and mechanical components) |
What's Included
You get one chrome PAXPHIL LJ45 jack, as shown in the product photo.
Who It's For
The LJ45 is for the player whose old jack has worked loose and crackles, the tech fitting a sturdy plate-free cylinder jack into a body, and the owner of a guitar with active pickups who needs a third contact for the battery.
Frequently Asked Questions
What is the PAXPHIL LJ45?
It is a modular cylinder output jack for a 1/4" plug on an electric guitar: it screws into the body and needs no separate plate.
What are the dimensions?
Overall length 55 mm, threaded part Ø11.8 mm and 33.5 mm long (per JAM).
What is the third contact for?
It closes the power circuit of active electronics so the battery does not drain when the cable is unplugged. On a passive guitar it can be left unused.
How does the LJ45 differ from other Paxphil jacks?
The LJ45 is a chrome cylinder with a smooth head and a Ø11.8 mm thread. The LJ20 is a flush-mount cylinder with a knurled flange and a large terminal in chrome, gold and black, while the LJ15 and LJ35 are endpin jacks (the LJ35 is stereo).
Will the plug wobble?
According to JAM, no: the modular jack holds the plug snugly and lasts longer than a regular open socket.
Is this genuine Paxphil, and what is the warranty?
Yes. SoundsGood is an official Paxphil dealer in Ukraine; the warranty is 12 months on electronic and mechanical components.
🚚 Shipping and Payment
🏆 SoundsGood — full warranty and service support
✅ Quality guarantee — genuine instruments only
🏪 Pickup — Kyiv, free
🚚 Nova Poshta / Ukrposhta / Meest — 1–3 days
💳 Installments — PrivatBank, Monobank
🎸 Order the PAXPHIL LJ45 cylinder jack at SoundsGood! ⚡