---
product_id: 27521576
title: "9 Pin Noval Bias Probe"
brand: "eurotubes"
price: "NZ$207"
currency: NZD
in_stock: true
category: "Eurotubes"
url: https://www.desertcart.nz/products/27521576-9-pin-noval-bias-probe
store_origin: NZ
region: New Zealand
---

# Measures DC milliamps precisely Compatible with EL84 & EL844 tubes Durable Delrin & hardened steel build 9 Pin Noval Bias Probe

**Brand:** eurotubes
**Price:** NZ$207
**Availability:** ✅ In Stock

## Summary

> ⚡ Tune Like a Pro, Last Like a Legend

## Quick Answers

- **What is this?** 9 Pin Noval Bias Probe by eurotubes
- **How much does it cost?** NZ$207 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/27521576-9-pin-noval-bias-probe)

## Best For

- eurotubes enthusiasts

## Why This Product

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

## Key Features

- • **Rugged Industrial Design:** Crafted from ultra-tough Delrin plastic and hardened steel pins for years of reliable use.
- • **Cost-Effective Amp Tuning:** Quickly adjust your amp’s bias to save money and extend tube life with ease.
- • **Tube-Specific Optimization:** Perfectly tailored for EL84 and EL844 tubes, ensuring optimal amp performance.
- • **Precision Current Measurement:** Accurately reads DC milliamps without screen current interference for flawless biasing.
- • **Universal Multimeter Compatibility:** Works seamlessly with any multimeter capable of DC milliamp readings—no extra gear needed.

## Overview

The 9 Pin Noval Bias Probe by Eurotubes is a precision tool designed for accurate DC milliamp measurement, compatible with any multimeter. Built with industrial-grade Delrin plastic and hardened steel pins, it guarantees durability and long-term reliability. Ideal for fine-tuning EL84 and EL844 tubes, this probe helps professionals and enthusiasts optimize amplifier bias quickly and cost-effectively.

## Description

We made the body for the 9 pin probes from Delrin which is a VERY tough industrial plastic, the pins are hardened steel and the sockets are Belton Micalex. This combination means that you will get many years of service from this probe.

## Features

- This probe measures in DC Milliamps and will work with any Multimeter that can read in DC Milliamps
- More accurate because the screen current is not added to the plate current
- Save money by adjusting your amps bias quickly and easily
- Works with EL84's and EL844's

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01A7P15RE |
| Best Sellers Rank | #758,570 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #2,763 in Test Probes & Leads |
| Brand Name | Eurotubes |
| Color | grey |
| Compatible Devices | multimeter |
| Customer Reviews | 4.5 4.5 out of 5 stars (6) |
| Item Weight | 5 ounces |
| Manufacturer | Eurotubes Inc. |
| Measurement Type | Multimeter |
| Model | ET Bias Probe -9 |
| Part Number | ET Bias Probe -9 |
| Style Name | Industrial |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Eurotubes
- **Color:** grey
- **Item Weight:** 5 ounces
- **Measurement Type:** Multimeter
- **Style:** Industrial

## Images

![9 Pin Noval Bias Probe - Image 1](https://m.media-amazon.com/images/I/71zVjohbLLL.jpg)
![9 Pin Noval Bias Probe - Image 2](https://m.media-amazon.com/images/I/61QRd6Th1-L.jpg)

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**Shop now:** [https://www.desertcart.nz/products/27521576-9-pin-noval-bias-probe](https://www.desertcart.nz/products/27521576-9-pin-noval-bias-probe)

---

*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-08-13*