What does this device do?

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.

Can I use RCA and XLR outputs simultaneously?

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.

How do I reset EQ frequencies to neutral?

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.

What tubes can I upgrade to?

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.

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Douk Audio HiFi Vacuum Tube 7-Band EQ Preamp Equalizer XLR Pre-Amplifier Home (T8 PRO Silver)

Douk Audio HiFi Vacuum Tube 7-Band EQ Preamp Equalizer XLR Pre-Amplifier Home (T8 PRO Silver)

Product ID: 723594852

Details

Brand
Douk Audio
Colour
T8 PRO Silver
Compatible Devices
Guitar Double
Material
Electrolytic
Product Dimensions
96.5D x 18.6W

💡Classic warm tube sound

🔌Dual XLR & RCA balanced I/O

🎚️7-band precise EQ control

Description

🎧 Elevate your audio game with vintage warmth and modern precision — don’t just listen, experience!

VINTAGE MEETS MODERN - Sleek aluminum chassis with vintage tube glow blends timeless style with cutting-edge shielding and durability.
FLEXIBLE TUBE ROLLING - Easily swap tubes (12AU7, ECC85, 6SN7GT, etc.) to customize your tonal signature and keep your sound evolving.
TAILOR YOUR SOUNDSCAPE - 7-band EQ lets you sculpt bass, mids, and treble with surgical precision for a truly personalized audio vibe.
TUBE DRIVEN WARMTH DEPTH - Authentic Soviet 6H1N-BN tubes deliver rich, dynamic warmth that transforms every track into an immersive experience.
PRO GRADE BALANCED CONNECTIVITY - Simultaneous XLR and RCA inputs/outputs ensure pristine, noise-free signal flow for your high-end setup.

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.

Specifications

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	1DC 12V Power Adapter, 1T8 Preamp, 1User Manual, 26H1N-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

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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