---
product_id: 41294061
title: "DEAFidelity NOS NIB 1978 Matched USSR Russian 6N3P-EV / 2C51 / 5670 / 396A Vacuum Tube"
brand: "deafidelity"
price: "¥3556"
currency: JPY
in_stock: false
url: https://www.desertcart.jp/products/41294061-deafidelity-nos-nib-1978-matched-ussr-russian-6n3p-ev-2c51
store_origin: JP
region: Japan
---

# DEAFidelity NOS NIB 1978 Matched USSR Russian 6N3P-EV / 2C51 / 5670 / 396A Vacuum Tube

**Brand:** deafidelity
**Price:** ¥3556
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** DEAFidelity NOS NIB 1978 Matched USSR Russian 6N3P-EV / 2C51 / 5670 / 396A Vacuum Tube by deafidelity
- **How much does it cost?** ¥3556 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/41294061-deafidelity-nos-nib-1978-matched-ussr-russian-6n3p-ev-2c51)

## Best For

- deafidelity enthusiasts

## Why This Product

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

## Description

DEAFidelity Soviet USSR Russian 6N3P-EV Vacuum Tube

## Features

- All tubes are tested for Gm, shorts, leaks, gas and noise on one of our calibrated HickokTV-7 D/U tube testers. Buy from the experts and avoid hassle!
- A beautiful date code and electrically matched pair of 1978 USSR era Russian 6N3P-EV vacuum tubes. These are the same as 2C51, 5670, 396A and others. Excellent audio tubes from the best era of Russian vintage. These are the high end EV versions which are rated for over 5000 hours of use and vibration resistant. OTK quality stamps.
- They come in their original boxes with data sheets.
- Fully tested and matched on a calibrated Hickok TV-7 D/U.

## Images

![DEAFidelity NOS NIB 1978 Matched USSR Russian 6N3P-EV / 2C51 / 5670 / 396A Vacuum Tube - Image 1](https://images-na.ssl-images-amazon.com/images/I/31hXFLJT2YL.jpg)
![DEAFidelity NOS NIB 1978 Matched USSR Russian 6N3P-EV / 2C51 / 5670 / 396A Vacuum Tube - Image 2](https://images-na.ssl-images-amazon.com/images/I/41CGWXtqAYL.jpg)
![DEAFidelity NOS NIB 1978 Matched USSR Russian 6N3P-EV / 2C51 / 5670 / 396A Vacuum Tube - Image 3](https://images-na.ssl-images-amazon.com/images/I/41PeqPgPnUL.jpg)
![DEAFidelity NOS NIB 1978 Matched USSR Russian 6N3P-EV / 2C51 / 5670 / 396A Vacuum Tube - Image 4](https://images-na.ssl-images-amazon.com/images/I/41d31z2UtwL.jpg)

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**Shop now:** [https://www.desertcart.jp/products/41294061-deafidelity-nos-nib-1978-matched-ussr-russian-6n3p-ev-2c51](https://www.desertcart.jp/products/41294061-deafidelity-nos-nib-1978-matched-ussr-russian-6n3p-ev-2c51)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-03-18*