---
product_id: 20446148
title: "THD Electronics YJSQ Yellow Jacket Standard Quartet, w/Tubes"
brand: "thd"
price: "80 kr"
currency: DKK
in_stock: false
url: https://www.desertcart.dk/products/20446148-thd-electronics-yjsq-yellow-jacket-standard-quartet-w-tubes
store_origin: DK
region: Denmark
---

# Includes 4 converters & tubes Adapter for EL84/6BQ5 Class-A operation THD Electronics YJSQ Yellow Jacket Standard Quartet, w/Tubes

**Brand:** thd
**Price:** 80 kr
**Availability:** ❌ Out of Stock

## Summary

> 🎸 Elevate Your Amp Game!

## Quick Answers

- **What is this?** THD Electronics YJSQ Yellow Jacket Standard Quartet, w/Tubes by thd
- **How much does it cost?** 80 kr with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/20446148-thd-electronics-yjsq-yellow-jacket-standard-quartet-w-tubes)

## Best For

- thd enthusiasts

## Why This Product

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

## Key Features

- • **Power Reduction:** Cut your amp's power by 50% without sacrificing quality.
- • **Smoother Overdrive:** Experience enhanced sustain and harmonic richness.
- • **Handcrafted Quality:** Proudly made in Seattle for superior craftsmanship.
- • **Transform Your Sound:** Easily swap out power tubes for a richer tone.
- • **Touch-Sensitivity Boost:** Feel every nuance in your playing with greater responsiveness.

## Overview

The THD Electronics YJSQ Yellow Jacket Standard Quartet allows musicians to effortlessly convert their amplifiers to Class-A operation using EL84/6BQ5 power tubes. This set includes four Yellow Jacket converters and four EL84 tubes, reducing power by approximately 50% while enhancing sound quality with smoother overdrive and richer mid-range harmonics. Hand-built in Seattle, this product is designed for most 6V6, 6L6, and EL34 amplifiers, making it a must-have for any serious guitarist.

## Description



## Features

- Yellow Jackets are a type of specialized adapter which permit the use of EL84/6BQ5 power tubes in place of 6V6, 6L6 and EL34 types, and converts any amp to Class-A operation.
- Incliude four Yellow Jacket Converters and four EL84 power tubes.
- Standard type for most 6V6, 6L6 and EL34 amplifiers. Reduces the power by about 50%.
- Gives smoother overdrive, more sustain, richer mid-range harmonic content and greated touch-sensitivity, all at a lower volume.
- Hand-built in Seattle, WA.

## Images

![THD Electronics YJSQ Yellow Jacket Standard Quartet, w/Tubes - Image 1](https://m.media-amazon.com/images/I/4190CD5KB8L.jpg)

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**Shop now:** [https://www.desertcart.dk/products/20446148-thd-electronics-yjsq-yellow-jacket-standard-quartet-w-tubes](https://www.desertcart.dk/products/20446148-thd-electronics-yjsq-yellow-jacket-standard-quartet-w-tubes)

---

*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-06-23*