---
product_id: 38048184
title: "JJ Tube Upgrade Kit For Mesa Boogie Roadster Amps 6L6GC ECC83S 5U4GB"
brand: "brand: j.j."
price: "€ 386.55"
currency: EUR
in_stock: true
url: https://www.desertcart.pt/products/38048184-jj-tube-upgrade-kit-for-mesa-boogie-roadster-amps-6l6gc
store_origin: PT
region: Portugal
---

# JJ Tube Upgrade Kit For Mesa Boogie Roadster Amps 6L6GC ECC83S 5U4GB

**Brand:** brand: j.j.
**Price:** € 386.55
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** JJ Tube Upgrade Kit For Mesa Boogie Roadster Amps 6L6GC ECC83S 5U4GB by brand: j.j.
- **How much does it cost?** € 386.55 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/38048184-jj-tube-upgrade-kit-for-mesa-boogie-roadster-amps-6l6gc)

## Best For

- brand: j.j. enthusiasts

## Why This Product

- Trusted brand: j.j. brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

Audio Tubes Direct has over 4000 successful transactions on multiple websites with a 100% feedback rating. Imported from Slovakia, these brand new tubes have been tested on the industry&apos;s most reliable, voltage controlled testing equipment and exceed all manufacturer&apos;s specifications. They are guaranteed from the manufacturer to be new and free from any defects in materials or craftsmanship and are backed by our 30 Day Warranty. Preamp tubes have been tested for Gain (Mu), Transconductance (Gm) and microphonics. Power tubes have been tested and matched for Plate Current(lp) and Transconductance(Gm) with test results are printed on the box.

## Features

- This set includes (4) Matched JJ 6L6GC power tubes
- (5) JJ ECC83S preamp tubes
- (1) Balanced JJ ECC83S preamp tube (phase inverter)
- (2) JJ 5U4GB rectifier tubes

## Images

![JJ Tube Upgrade Kit For Mesa Boogie Roadster Amps 6L6GC ECC83S 5U4GB - Image 1](https://images-na.ssl-images-amazon.com/images/I/81JawM%2BeVdL.jpg)

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**Shop now:** [https://www.desertcart.pt/products/38048184-jj-tube-upgrade-kit-for-mesa-boogie-roadster-amps-6l6gc](https://www.desertcart.pt/products/38048184-jj-tube-upgrade-kit-for-mesa-boogie-roadster-amps-6l6gc)

---

*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-03-21*