---
product_id: 593550667
title: "Douk Audio Balanced EQ Preamp: 7-Band Equalizer - Vacuum Tube Preamplifier with XLR RCA Inputs & Outputs - for Home Stereo HiFi System, Amplifiers, Active Speakers (T8 PRO Silver)"
brand: "douk audio"
price: "€ 194.79"
currency: EUR
in_stock: true
reviews_count: 8
category: "Douk Audio"
url: https://www.desertcart.it/products/593550667-douk-audio-balanced-eq-preamp-7-band-equalizer-vacuum-tube
store_origin: IT
region: Italy
---

# Upgradable vacuum tubes with warm analog tone Dual XLR/RCA balanced I/O 7-band precision EQ (50Hz-16KHz) Douk Audio Balanced EQ Preamp: 7-Band Equalizer - Vacuum Tube Preamplifier with XLR RCA Inputs & Outputs - for Home Stereo HiFi System, Amplifiers, Active Speakers (T8 PRO Silver)

**Brand:** douk audio
**Price:** € 194.79
**Availability:** ✅ In Stock

## Summary

> 🎧 Elevate your audio game with vintage warmth and precision control — because your soundtrack deserves the spotlight.

## Quick Answers

- **What is this?** Douk Audio Balanced EQ Preamp: 7-Band Equalizer - Vacuum Tube Preamplifier with XLR RCA Inputs & Outputs - for Home Stereo HiFi System, Amplifiers, Active Speakers (T8 PRO Silver) by douk audio
- **How much does it cost?** € 194.79 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/593550667-douk-audio-balanced-eq-preamp-7-band-equalizer-vacuum-tube)

## Best For

- douk audio enthusiasts

## Why This Product

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

## Key Features

- • **Warm Analog Vibes:** Upgradable 6H1N-BN vacuum tubes deliver rich, warm HiFi sound with customizable timbre via pluggable tube sockets.
- • **Sleek & Durable Design:** Compact aluminum chassis with EMI shielding and vintage tube glow blends seamlessly into any modern desktop or home stereo setup.
- • **Tailor Your Soundscape:** Professional 7-band equalizer lets you sculpt highs, mids, and lows for a truly personalized audiophile experience.
- • **Flexible Studio-Grade Setup:** CH1/CH2 input switching and simultaneous RCA/XLR output modes simplify integration with amplifiers and active speakers.
- • **Noise-Free Balanced Connectivity:** Dual XLR and RCA inputs/outputs with balanced signal transmission eliminate interference for crystal-clear sound.

## Overview

The Douk Audio T8 PRO Silver is a compact, professional-grade 7-band vacuum tube preamplifier and equalizer designed for audiophiles and home stereo enthusiasts. Featuring dual balanced XLR/RCA inputs and outputs, it offers interference-free signal transmission and precise stereo imaging. Its upgradable vacuum tubes provide warm analog sound with customizable tonal character, while flexible input/output switching supports versatile studio and home setups. Encased in a sleek EMI-shielded aluminum chassis with a vintage tube glow, it combines aesthetic appeal with high-fidelity performance.

## Description

desertcart.com: Douk Audio Balanced EQ Preamp: 7-Band Equalizer - Vacuum Tube Preamplifier with XLR RCA Inputs & Outputs - for Home Stereo HiFi System, Amplifiers, Active Speakers (T8 PRO Silver)

Review: Looks, feels and reproduces music like a quality built piece of gear should! - I bought this in HiYO Silver(!) to use with my heaphone setup here in the Bat-Cave. It is excellent in doing what it says it does and that being allowing me to tailor the music I bought and paid for so that I can hear as I want and not just as so much fAdCopy today claims, "...as the fArteeest intended". The artist intended for you to buy and enjoy their music and this excellent performing (and looking!) EQ does just that. I use it with an Emotiva XDA-2, an S.M.S.L. smurtified THX headphone amp w/balanced and SE in/ouputs and a WONDERFUL Denon HEOS Link for my paid for music services: Pandora, SiriusXM and desertcart UHD Music. They all sound wonderful through this setup and It works superbly across the 5 'phones that to date I have used with it. You will not be disappointed. Well...Unless you enjoy straining to hear bits instead of music. I can't hear a single "bit", 0, 1 or otherwise. What I am hearing is MY soundtrack, beautifully reproduced and tailored to MY tastes by a compact, well built and good looking piece of audio equipment. I may get one for a relative for his headphone use. It is that good! Trust me. I know what I'm doin' when I'm reviewin'. Thanks! TheBatman
Review: Great preamp for a very reasonable price - This preamp/EQ is really good, especially for the price. I'm a bit of an audio snob, but I can say that this preamp sounds great, no unwanted noise and gives you the ability to adjust the sound with the EQ. I've tried a few different tubes, not much of a difference but nice to have the option. If you need a preamp with the added tone adjustments and want to add a bit of warmth to your system, this unit is a great low cost option.

## Features

- Professional 7-band equalizer (50Hz-16KHz) precisely adjusts highs/mids/lows to compensate speaker defects & optimize any sound source, delivering custom audiophile-grade acoustic profiles.
- Dual XLR/RCA inputs & outputs with balanced signal transmission eliminate interference noise, while independent channel balance control ensures accurate stereo imaging.
- Upgradable 6H1N-BN vacuum tubes generate warm HiFi analog sound signature; pluggable sockets support ECC85/6SN7GT tubes for personalized timbre sculpting.
- CH1/CH2 input switching & simultaneous RCA/XLR output modes enable flexible connectivity with amplifiers/active speakers, simplifying studio-grade setups.
- Compact aluminum chassis with EMI-shielding iron plate fits desktops seamlessly, featuring vintage tube glow for both aesthetic appeal and noise-free performance.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CGXMGY29 |
| Amplifier Type | Tube |
| Brand | Douk Audio |
| Built-In Media | 6H1N-BN Tube ×2, DC 12V Power Adapter ×1, T8PRO Preamp ×1, User Manual ×1 |
| Color | Silver |
| Compatible Devices | Active Speakers, Amplifier, CD Player, PC, TV |
| Connector Type | RCA, XLR |
| Customer Reviews | 4.4 out of 5 stars 36 Reviews |
| Enclosure Material | Metal |
| Item Dimensions D x W x H | 5.04"D x 7.32"W x 1.5"H |
| Item Weight | 1.5 Pounds |
| Manufacturer | Douk Audio |
| Material | Metal |
| Model Name | SUC-T8-PRO-S |
| Number of Bands | 7 |
| Output Channel Quantity | 2 |
| Power Source | Corded Electric |
| Product Dimensions | 5.04"D x 7.32"W x 1.5"H |
| Warranty Description | 18-Month Warranty |

## Product Details

- **Brand:** Douk Audio
- **Color:** Silver
- **Compatible Devices:** Active Speakers, Amplifier, CD Player, PC, TV
- **Material:** Metal
- **Product Dimensions:** 5.04"D x 7.32"W x 1.5"H

## Images

![Douk Audio Balanced EQ Preamp: 7-Band Equalizer - Vacuum Tube Preamplifier with XLR RCA Inputs & Outputs - for Home Stereo HiFi System, Amplifiers, Active Speakers (T8 PRO Silver) - Image 1](https://m.media-amazon.com/images/I/61lfXsPkTUL.jpg)
![Douk Audio Balanced EQ Preamp: 7-Band Equalizer - Vacuum Tube Preamplifier with XLR RCA Inputs & Outputs - for Home Stereo HiFi System, Amplifiers, Active Speakers (T8 PRO Silver) - Image 2](https://m.media-amazon.com/images/I/71MKjgdppJL.jpg)
![Douk Audio Balanced EQ Preamp: 7-Band Equalizer - Vacuum Tube Preamplifier with XLR RCA Inputs & Outputs - for Home Stereo HiFi System, Amplifiers, Active Speakers (T8 PRO Silver) - Image 3](https://m.media-amazon.com/images/I/71-7YC-iSzL.jpg)
![Douk Audio Balanced EQ Preamp: 7-Band Equalizer - Vacuum Tube Preamplifier with XLR RCA Inputs & Outputs - for Home Stereo HiFi System, Amplifiers, Active Speakers (T8 PRO Silver) - Image 4](https://m.media-amazon.com/images/I/71l94EGBWqL.jpg)
![Douk Audio Balanced EQ Preamp: 7-Band Equalizer - Vacuum Tube Preamplifier with XLR RCA Inputs & Outputs - for Home Stereo HiFi System, Amplifiers, Active Speakers (T8 PRO Silver) - Image 5](https://m.media-amazon.com/images/I/71laoKphStL.jpg)

## Questions & Answers

**Q: What does this device do?**
A: T8 can compensate for the defects of speakers and sound field by adjusting 7-band high, middle and low frequencies, and modify various sound sources. The timbre and loudness also can be changed to achieve different sound effects.

**Q: Can I use RCA and XLR outputs simultaneously?​​**
A: Yes! Both outputs work concurrently - connect XLR to studio monitors and RCA to a subwoofer simultaneously. Ideal for multi-amp setups without signal degradation. Perfect for A/B testing or expanding your audio chain.

**Q: How do I reset EQ frequencies to neutral?​**
A: Rotate any band's knob until you feel a tactile pause at the center position (scale line vertical). This zero point means no boost/cut applied. Reset all knobs to center for flat reference response.

**Q: What tubes can I upgrade to?**
A: Stock 6H1N-BN tubes support direct swaps with 6N1/6AQ8/ECC85. For 6SN7GT tubes, you MUST use a 6SN7-to-6N1 adapter (not included). Adapter ensures proper pin alignment and voltage safety.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Looks, feels and reproduces music like a quality built piece of gear should!
*by T***N on April 19, 2024*

I bought this in HiYO Silver(!) to use with my heaphone setup here in the Bat-Cave. It is excellent in doing what it says it does and that being allowing me to tailor the music I bought and paid for so that I can hear as I want and not just as so much fAdCopy today claims, "...as the fArteeest intended". The artist intended for you to buy and enjoy their music and this excellent performing (and looking!) EQ does just that. I use it with an Emotiva XDA-2, an S.M.S.L. smurtified THX headphone amp w/balanced and SE in/ouputs and a WONDERFUL Denon HEOS Link for my paid for music services: Pandora, SiriusXM and Amazon UHD Music. They all sound wonderful through this setup and It works superbly across the 5 'phones that to date I have used with it. You will not be disappointed. Well...Unless you enjoy straining to hear bits instead of music. I can't hear a single "bit", 0, 1 or otherwise. What I am hearing is MY soundtrack, beautifully reproduced and tailored to MY tastes by a compact, well built and good looking piece of audio equipment. I may get one for a relative for his headphone use. It is that good! Trust me. I know what I'm doin' when I'm reviewin'. Thanks! TheBatman

### ⭐⭐⭐⭐⭐ Great preamp for a very reasonable price
*by D***S on November 25, 2025*

This preamp/EQ is really good, especially for the price. I'm a bit of an audio snob, but I can say that this preamp sounds great, no unwanted noise and gives you the ability to adjust the sound with the EQ. I've tried a few different tubes, not much of a difference but nice to have the option. If you need a preamp with the added tone adjustments and want to add a bit of warmth to your system, this unit is a great low cost option.

### ⭐⭐⭐⭐ A decent EQ…with tubes, no less!
*by W***. on March 5, 2025*

What we have here is basically a fun and functional device. The tubes are cool, but they are mostly for show. But what a show! The EQ is very functional and will definitely help you dial in more sparkle or thump, depending on how you set. It’s best when used for a little tweak here or there. Overall, I am pleased with my purchase. Tube rolling is fun!

## Frequently Bought Together

- Douk Audio HiFi Vacuum Tube 7-Band EQ Preamp Equalizer XLR Pre-Amplifier Home (T8 PRO Silver)
- Monoprice Premium Two-Channel Audio Cable - 3 Feet - Black | 2 RCA Plug to 2 RCA Plug 22AWG, Male to Male

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*Product available on Desertcart Italy*
*Store origin: IT*
*Last updated: 2026-02-18*