---
product_id: 136244181
title: "Groove Tubes Gold Series GT-6550-R Matched Power Tubes Medium (4-7 GT Rating) Duet"
brand: "groove tubes"
price: "5506107₫"
currency: VND
in_stock: true
category: "product"
url: https://www.desertcart.vn/products/136244181-groove-tubes-gold-series-gt-6550-r-matched-power-tubes
store_origin: VN
region: Vietnam
---

# Groove Tubes Gold Series GT-6550-R Matched Power Tubes Medium (4-7 GT Rating) Duet

**Brand:** groove tubes
**Price:** 5506107₫
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Groove Tubes Gold Series GT-6550-R Matched Power Tubes Medium (4-7 GT Rating) Duet by groove tubes
- **How much does it cost?** 5506107₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/136244181-groove-tubes-gold-series-gt-6550-r-matched-power-tubes)

## Best For

- groove tubes enthusiasts

## Why This Product

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

## Description

Description   GT-6550-R Duet Highest power pentode for use in Marshall, Hiwatt, Ampeg SVT, the GT amps and a few other higher powered amps. Also popular for HiFi amps. Newest entry, power and quality should mean long life. Excellent response, yet it's easier to push into distortion than "A" version, a little harder sounding than "C".   Country of origin: Russia Estimated shipping dimensions: 5.6INCH X 2.8INCH X 7.4INCH Estimated shippimg weight:  0.55POUND

## Images

![Groove Tubes Gold Series GT-6550-R Matched Power Tubes Medium (4-7 GT Rating) Duet - Image 1](https://target.scene7.com/is/image/Target/GUEST_89e6d1bd-2bd0-4163-8a2b-57f85f35c7f3?wid=588&hei=488)
![Groove Tubes Gold Series GT-6550-R Matched Power Tubes Medium (4-7 GT Rating) Duet - Image 2](https://target.scene7.com/is/image/Target/GUEST_160f2ce1-8f4d-4763-8d42-81a1791d631f?wid=588&hei=488)

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**Shop now:** [https://www.desertcart.vn/products/136244181-groove-tubes-gold-series-gt-6550-r-matched-power-tubes](https://www.desertcart.vn/products/136244181-groove-tubes-gold-series-gt-6550-r-matched-power-tubes)

---

*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-03-24*