What size Tube in it and can I change it out?

According to Behringer's website, it uses a 12AX7 vacuum tube. 12AX7 is a miniature dual-triode 6AV6 vacuum tube with high voltage gain. Should be able to find and replace easily.

How does it sound don't see me reviews on it?

It has clear sound, the only effects other than allowing for higher volume is warming up the sound. I'd recommend if you have a tenni mic with good clarity like the akg perception 120 or equivalent from audio Technica

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Description

🎛️ Elevate your sound with vintage tube warmth and modern precision — don’t just record, captivate.

COMPACT POWERHOUSE - Lightweight (620g) and sleek metal design fits effortlessly into any studio or live setup without compromise.
CLIPPING NOT HERE - Sophisticated output limiter protects your sound from distortion, keeping your mix clean and professional.
UNIVERSAL COMPATIBILITY - Seamlessly powers and amplifies all mic types—dynamic, condenser, and line-level sources with phantom power included.
PRO GRADE SIGNAL INTEGRITY - 82 dB signal-to-noise ratio ensures crystal-clear transparency, perfect for DI box applications.
AUDIOPHILE WARMTH STUDIO READY - Hand-selected 12AX7 vacuum tube delivers rich, warm tones with ultra-low noise for pristine recordings.

The Behringer TUBE ULTRAGAIN MIC300 is a premium vacuum tube preamplifier designed for studio and live environments. Featuring a hand-selected 12AX7 tube and UTC technology, it delivers warm, low-noise amplification with an 82 dB signal-to-noise ratio. Compatible with all microphone types and line-level sources, it includes phantom power and a built-in limiter to prevent clipping, ensuring professional-grade sound clarity in a compact, durable metal chassis.

Specifications

ASIN	B08YZ6BK4J
Best Sellers Rank	25,213 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 32 in Home Audio Preamplifiers
Customer Reviews	4.0 4.0 out of 5 stars (69)
Date First Available	15 Mar. 2021
Item Weight	620 g
Item dimensions L x W x H	13.2 x 6.1 x 13.5 centimetres
Item model number	MIC300
Item weight	620 Grams
Manufacturer	Music Tribe
Material	Metal
Material Type	Metal
Microphone form factor	Plug On
Number of channels	1
Power source	Corded Electric
Product Dimensions	13.2 x 6.1 x 13.5 cm; 620 g
Signal-to-noise ratio	82 dB
Size	13.5 cm
UPC	644216645701

Reviews

J**J

Really warms up sound

Got vocals sounding fuller and warmer. Good quality and low cost valve gear.

3.01.2025

J**N

Great product that does as described, the tubes add a little grit to the sound but that is how tubes are expected to work and ,at least for me, the color and compression were things I was looking for. It also has plenty of gain to give and can drive any dynamic microphone you want and can provide phantom power for any condenser, as well. It works well as a preamp assuming you want that tube functionality in your preamp chain. The buttons feel great, the knobs feel solid. If you want to boost your signal and also add some personality to it, this can do that and for a good price.

2.02.2025

N**E

tres bonne achat

1.02.2023

C**B

Precio rendimiento muy bueno

11.01.2024

M**L

Ottimo preamp , a questo prezzo non c' è di meglio Suono definito e pulito,, costruzione molto solida e manopole precise

7.05.2025

C**N

Millor imposible bona qualitat. Bon preu.

12.05.2024

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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Good experience, but the tracking updates could be better.

2 months ago

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