---
product_id: 223724614
title: "E834 RIAA MM Tube Phono Stage Amplifier Bare PCB Base on EAR834 Circuit"
brand: "jolooyo"
price: "€ 50.25"
currency: EUR
in_stock: false
reviews_count: 1
url: https://www.desertcart.nl/products/223724614-e834-riaa-mm-tube-phono-stage-amplifier-bare-pcb-base
store_origin: NL
region: Netherlands
---

# 48dB Gain @ 1kHz Compact 100x150mm PCB Gold-plated FR4 A-class PCB E834 RIAA MM Tube Phono Stage Amplifier Bare PCB Base on EAR834 Circuit

**Brand:** jolooyo
**Price:** € 50.25
**Availability:** ❌ Out of Stock

## Summary

> 🎶 Elevate your vinyl game with tube-powered clarity and precision!

## Quick Answers

- **What is this?** E834 RIAA MM Tube Phono Stage Amplifier Bare PCB Base on EAR834 Circuit by jolooyo
- **How much does it cost?** € 50.25 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/223724614-e834-riaa-mm-tube-phono-stage-amplifier-bare-pcb-base)

## Best For

- jolooyo enthusiasts

## Why This Product

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

## Key Features

- • **Noise-Free Listening:** Dual independent single-channel design with one-point grounding eliminates background noise for pure sound.
- • **Premium Build Quality:** Crafted on a gold-plated, 1oz copper FR4 A-class PCB ensuring durability and superior signal integrity.
- • **DIY Enthusiast’s Dream:** Bare PCB format offers full customization potential for the discerning audiophile builder.
- • **Audiophile-Grade Precision:** Experience crystal-clear sound with 48dB gain tuned at 1kHz for flawless MM phono amplification.
- • **Optimized Tube Compatibility:** Designed for 3x 12AX7 tubes with recommended 12.6V DC filament for warm, natural audio reproduction.

## Overview

The E834 RIAA MM Tube Phono Stage Amplifier Bare PCB is a high-quality, gold-plated FR4 PCB designed for audiophiles seeking a pure, noise-free MM phono preamp experience. Featuring a 48dB gain at 1kHz and optimized for 3x 12AX7 tubes, this bare PCB offers a compact, durable platform for custom tube amplifier builds that deliver warm, natural sound in line with RIAA standards.

## Description

Description: 100% Brand New and High Quality PCB size: 100 * 150 * 1.6MM 1OZ copper, FR4 A-class plate, gold-plated technology Reference English edition EAR834 phono (MM amp part) design, two independent single-channel, one-point ground, no background noise. This edition is pure amplifier (MM-RIAA) Gain: 1KHZ @ 48DB Recommended input voltage: High pressure: 0-260; 0-260; each group is not lower than 10MA Filament: Recommended DC filament, this version of the tube package 12AX7 class, for 12.6V power supply tube. above 0.8A. E834-MM singing, in line with RIAA standards, the overall sense of hearing is very relaxed and natural, manufacturing costs are not too high can get a very good sense of hearing, it is worth playing. Tube model: 3pcs 12AX7 Note: this link is for one bare PCB. Not include any Components. Package Included: 1 x Bare PCB

Review: tres bonne qualite , mais pas de schema fourni avec . je l'ai trouver ailleur et je lui ai envoyer

## Features

- PCB size: 100 * 150 * 1.6MM 1OZ copper, FR4 A-class plate, gold-plated technology
- Gain: 1KHZ @ 48DB
- High pressure: 0-260; 0-260; each group is not lower than 10MA

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B078WR6JB5 |
| Best Sellers Rank | #936,069 in Electronics ( See Top 100 in Electronics ) #5,782 in Audio Component Amplifiers |
| Customer Reviews | 4.0 4.0 out of 5 stars (1) |
| Date First Available | January 27, 2021 |
| Is Discontinued By Manufacturer | No |
| Manufacturer | Jolooyo |

## Images

![E834 RIAA MM Tube Phono Stage Amplifier Bare PCB Base on EAR834 Circuit - Image 1](https://m.media-amazon.com/images/I/51vzrsVzQAL.jpg)
![E834 RIAA MM Tube Phono Stage Amplifier Bare PCB Base on EAR834 Circuit - Image 2](https://m.media-amazon.com/images/I/51Dc9wu0SkL.jpg)
![E834 RIAA MM Tube Phono Stage Amplifier Bare PCB Base on EAR834 Circuit - Image 3](https://m.media-amazon.com/images/I/51R2bIEB5wL.jpg)
![E834 RIAA MM Tube Phono Stage Amplifier Bare PCB Base on EAR834 Circuit - Image 4](https://m.media-amazon.com/images/I/51c+27-RAdL.jpg)
![E834 RIAA MM Tube Phono Stage Amplifier Bare PCB Base on EAR834 Circuit - Image 5](https://m.media-amazon.com/images/I/412laYZhP6L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐ Review
*by D***D on February 12, 2026*

tres bonne qualite , mais pas de schema fourni avec . je l'ai trouver ailleur et je lui ai envoyer

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-05-31*