--- product_id: 723594852 title: "Douk Audio HiFi Vacuum Tube 7-Band EQ Preamp Equalizer XLR Pre-Amplifier Home (T8 PRO Silver)" brand: "douk audio" price: "€ 539.96" currency: EUR in_stock: true category: "Douk Audio" url: https://www.desertcart.fr/products/723594852-douk-audio-hifi-vacuum-tube-7-band-eq-preamp-equalizer store_origin: FR region: France --- # Classic warm tube sound Dual XLR & RCA balanced I/O 7-band precise EQ control Douk Audio HiFi Vacuum Tube 7-Band EQ Preamp Equalizer XLR Pre-Amplifier Home (T8 PRO Silver) **Brand:** douk audio **Price:** € 539.96 **Availability:** βœ… In Stock ## Summary > 🎧 Elevate your audio game with vintage warmth and modern precision β€” don’t just listen, experience! ## Quick Answers - **What is this?** Douk Audio HiFi Vacuum Tube 7-Band EQ Preamp Equalizer XLR Pre-Amplifier Home (T8 PRO Silver) by douk audio - **How much does it cost?** € 539.96 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/723594852-douk-audio-hifi-vacuum-tube-7-band-eq-preamp-equalizer) ## 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 - β€’ **Vintage Meets Modern:** Sleek aluminum chassis with vintage tube glow blends timeless style with cutting-edge shielding and durability. - β€’ **Flexible Tube Rolling:** Easily swap tubes (12AU7, ECC85, 6SN7GT, etc.) to customize your tonal signature and keep your sound evolving. - β€’ **Tailor Your Soundscape:** 7-band EQ lets you sculpt bass, mids, and treble with surgical precision for a truly personalized audio vibe. - β€’ **Tube-Driven Warmth & Depth:** Authentic Soviet 6H1N-BN tubes deliver rich, dynamic warmth that transforms every track into an immersive experience. - β€’ **Pro-Grade Balanced Connectivity:** Simultaneous XLR and RCA inputs/outputs ensure pristine, noise-free signal flow for your high-end setup. ## Overview The Douk Audio T8 PRO is a high-fidelity vacuum tube preamp and 7-band equalizer featuring balanced XLR and RCA inputs/outputs. It offers precise frequency control across seven bands (50Hz to 16KHz) to tailor sound profiles, enhanced by warm, dynamic tube amplification using pluggable Soviet 6H1N-BN tubes. Its robust aluminum alloy chassis with vintage tube lighting combines durability with aesthetic appeal, making it a versatile centerpiece for audiophiles seeking customizable, professional-grade sound refinement. ## Description Warm Tips 1. Two outputs (RCA / XLR ) can work at the same time. 2. When the scale line on frequency knobs points to the middle means this frequency band is neither weakened nor strengthened. When rotating it to its middle position there will be a feeling of pause. 3. Default 6H1N-BN tubes, can be changed to the following models: 12AU7 / ECC85 / 6SN7GT / 6N1 / 6AQ8... Parameters Model: Douk Audio T8 PRO Audio input: single-ended RCA / balanced XLR Audio output: single-ended RCA / balanced XLR Frequency response: 20Hz～20KHz(Β±1dB) Frequency band: 50Hz / 125Hz / 315Hz / 750Hz / 2KHz / 6KHz / 16KHz RCA input sensitivity: 0.775Vrms RCA output level: 1.2Vrms BAL input sensitivity: 1.5Vrms BAL output level: 2.4Vrms THD: 0.01% SNR: β‰₯98dB Working voltage: DC12V (β‰₯2A) Dimensions(W*D*H): 186*128*38mm / 7.32*5.04*1.50in Package dimensions(W*D*H): 340*240*70mm / 13.39*9.45*2.86in Net weight: 685g / 1.51lb Package weight: 1.1kg / 2.43lb Packing List 1*T8 Preamp 2*6H1N-BN Tube 1*DC 12V Power Adapter 1*User Manual ## Features - Upgraded 7-band EQ preamp: separate and rich frequency band control (50Hz / 125Hz / 315Hz / 750Hz / 2KHz / 6KHz / 16KHz), 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. - Real balanced XLR preamp: support XLR and RCA inputs and outputs, T8 can reproduce high-quality audio for amplifier or active speaker with excellent separation, resolution, sound field, clean background. Also with a balance control to compensate for the left and right channel of all outputs and prevent the sound field positioning from deviating from the center position. - HiFi warm & sweet tube sound: adopts classic pluggable Soviet Union 6H1N-BN tube to improve everything detail associated with your music, sounds warm and delicate, full and mellow, dynamic and melodious. Pluggable socket design for tube rolling and sound-shaping, easy to pick from and alter the sound signature to one's preference. - Advanced design and attractive appearance: adopts electrolytic iron plate with good shielding performance, and the performance is precisely balanced; black aluminum alloy chassis with vintage warm tube lights, looks cool, exquisite and durable, very suitable for the audiophiles who pursue HiFi sound. - It features dual RCA/XLR outputs, neutral frequency settings at the midpoint of the knobs, and is equipped with default 6H1N-BN tubes that can be interchanged with models like 12AU7, ECC85, 6SN7GT, 6N1, or 6AQ8 for enhanced audio performance. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CGXMGY29 | | Amplifier Type | Tube | | Audio output mode | Balanced and Unbalanced | | Batteries Included | No | | Batteries Required | No | | Best Sellers Rank | #1,434,607 in Electronics ( See Top 100 in Electronics ) #1,956 in Hi-Fi Amplifiers | | Brand | Douk Audio | | Compatible Devices | Guitar, Double Bass, Keyboard, All | | Customer Reviews | 4.6 4.6 out of 5 stars (38) | | Date First Available | 2 May 2025 | | Item Dimensions LxWxH | 12.8 x 18.6 x 3.8 Centimeters | | Item Weight | 685 g | | Item model number | SUC-T8-PRO-S | | Manufacturer | Douk Audio | | Material | Electrolytic Iron, Aluminum Alloy | | Model | SUC-T8-PRO-S | | Model Name | T8 PRO | | Mounting Hardware | 1*DC 12V Power Adapter, 1*T8 Preamp, 1*User Manual, 2*6H1N-BN Tube | | Net Quantity | 1 Count | | Number of items | 1 | | Power Source | Corded Electric | | Product Dimensions | 12.8 x 18.59 x 3.81 cm; 684.92 g | | Speaker Output Channel Quantity | 2 | ## Product Details - **Brand:** Douk Audio - **Colour:** T8 PRO Silver - **Compatible Devices:** Guitar, Double Bass, Keyboard, All - **Material:** Electrolytic Iron, Aluminum Alloy - **Product Dimensions:** 96.5D x 18.6W x 3.8H Centimeters ## Images ![Douk Audio HiFi Vacuum Tube 7-Band EQ Preamp Equalizer XLR Pre-Amplifier Home (T8 PRO Silver) - Image 1](https://m.media-amazon.com/images/I/61lfXsPkTUL.jpg) ## Available Options This product comes in different **Color** options. ## 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. ## 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 --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.fr/products/723594852-douk-audio-hifi-vacuum-tube-7-band-eq-preamp-equalizer](https://www.desertcart.fr/products/723594852-douk-audio-hifi-vacuum-tube-7-band-eq-preamp-equalizer) --- *Product available on Desertcart France* *Store origin: FR* *Last updated: 2026-10-01*