Noble Tube Preamp DI

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$1,800.00 Price Tier: High-end

5.0 (4)

1 Critic Review

1 Review

Find out who is using Noble Tube Preamp DI

11 wishlisted

21 saved

Page last updated Jul 03, 2026

Pricing and availability

We compare 600+ stores and found this item at 1 store. Prices updated July 3, 2026.

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Reviews

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5.0 (3)

$1,800.00 1 available Used

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Average Price: $1,800

High-end/Boutique

$119

$300+

Price Tier

In the Direct Boxes category, Noble Tube Preamp DI is priced in the High-end/Boutique range. This premium gear is built to very high standards and offers premium features.

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Standard

High-end

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Description

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Bass guitar sounds best through tubes, especially when running direct! Tubes distort gradually with low-order harmonics, which are perfect musical intervals. The second harmonic is an octave, the third harmonic is a fifth above the octave, the fourth harmonic is a second octave, etc. This is the reason tubes sound so good, and you will notice it. Their subtle distortion provides the natural harmonics lacking in electronic instruments, and restores the dimension and feel of your bass as it was intended to be heard.

Measuring just 7 1/2” x 5” and weighing less than 3 pounds, the Noble preamp DI will change the way you think about vacuum tube gear. To keep weight to a minimum the preamp is housed in a precision machined aluminum enclosure, which is three times lighter than steel. Aluminum also delivers 30X better electrical shielding, providing a super quiet low noise backdrop for studio recording or pristine live sound. And the Noble preamp DI includes six 2ft (0.6m) DC cables to power your tuner, compressor, octave, fuzz, or other pedals from the onboard filtered and regulated 9V DC supply.

Product specs

Brand	Noble
Model	Dual Vacuum Tube Preamp / DI
Finish	Black
Year	2013 - 2021
Made In	United States
Categories	DI Boxes, Microphone Preamps

FAQs

What makes the Noble Tube Preamp DI stand out from other DI boxes?: The Noble Tube Preamp DI is renowned for its dual vacuum tube design, which provides a warm, vintage sound with an ultra-low noise floor. Its high input impedance is particularly beneficial for piezo pickups, making it a top choice for acoustic instruments.
Can the Noble Tube Preamp DI be used with electric bass guitars?: Yes, the Noble Tube Preamp DI is highly favored by bass players for its ability to enhance the natural tone of electric bass guitars, delivering a balanced and enriched sound.
Does the Noble Tube Preamp DI require an external power supply?: Yes, the Noble Tube Preamp DI requires an external power supply to operate, ensuring consistent performance and optimal sound quality.
How durable is the Noble Tube Preamp DI for live performances?: The Noble Tube Preamp DI is built with robust construction, making it highly durable and reliable for both studio use and live performances.
Is the Noble Tube Preamp DI suitable for home studio recording?: Absolutely, the Noble Tube Preamp DI is ideal for home studio setups, providing a tube-driven channel strip experience that enhances the quality of recordings with its rich, vintage sound.

Videos

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IvanBassist

Bass Preamp/DI Comparison (Noble, Darkglass, Sansamp, Aguilar)

IvanBassist

Tone guru Ian Allison shares his secrets for the perfect bass sound using the Noble preamp DI.

Noble Amplifier Company

Noble Preamp Demo/Review

FreeBassTranscriptions

Noble DI: Is It Worth the Hype? | Review after 3 years of use

IvanBassist

【リッチな音圧】Noble Tube Preamp D.I 開封の儀!!

Bassist Naoto Tada

Tube Preamp Comparison: Noble DI vs Olympic Preamp

IvanBassist

Noble Preamp DI Review | Sound Demo w/ Different EQ Settings

Gsus4

The Noble preamp DI is also a pedalboard power supply.

Noble Amplifier Company

Reviews

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PROS

Delivers warm, full tubey sound that enhances bass tone
Highly praised for tone clarity in live and recording settings
Simple design with high-quality color shaping capabilities
Consistently receives compliments on tone and signal cleanliness
Considered a high-tier option among pedal/desktop DI offerings
Offers excellent sound when not using an amp, ideal for studio or live DI use
Users express willingness to repurchase immediately if necessary

CONS

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Noble Tube Preamp DI.

Features and functionality

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The Noble Tube Preamp DI lacks a mid-control, which some users feel limits tonal flexibility, though it's not essential for its primary use.
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It's noted for adding a perceivable body to sound even when settings are flat, enhancing tonal richness before any adjustments.
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Comparisons

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Owners find the Aguilar Tone Hammer can replicate the Noble's sound with AGS on, gain at 8:30, treble rolled back, bass boosted slightly, and mids adjusted.
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The Neptunium was swapped for an RNDI and DCX Bass, offering more drive and fuzz options, highlighting the flexibility of alternative setups.
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Use cases and applications

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Ideal for acoustic gigs where users play electric bass through a PA system, offering a sound reminiscent of Ampeg amps without the bulk.
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The Noble Preamp DI is praised by sound engineers during gigs, enhancing the bassist's tone and professionalism in live settings.
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User experience

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Some users experience the law of diminishing returns with the Noble, noting that while it's phenomenal, cheaper alternatives like the Tone Hammer suffice for most needs.
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An owner reports integrating other preamps like DCX and bassman/svt origin through the Noble, resulting in a noticeably fatter sound.
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Value and pricing

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There's a sentiment that while the Noble is excellent, its price may not justify its benefits compared to less expensive options that deliver similar results.
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Critic Reviews

“Zen Personified” – Noble Amplifier Company Preamp | Bass Gear Magazine

bassgearmag.com

The Noble Tube Preamp DI is a minimalist's dream, offering a streamlined, high-quality build that delivers exceptional clarity and fullness. Handmade in California, its compact design is perfect for musicians on the go. While it excels at enhancing piezo electric bass pickups, some might find its simplicity limiting if they desire more tonal control or tube saturation. Overall, it’s praised for its ability to enrich sound without overpowering the natural tone, earning admiration from both seasoned musicians and discerning critics. Perfect for those looking to achieve a balanced, organic blend between amplified and acoustic bass tones.

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