MESA BASS400PLUS-1105-U Boogie Bass Tube Amplifier Head Rack

( Brand: Mesa ), ( Manufacturer Part Number: BASS400PLUS-1105-U ), ( Custom Label: Mes-bass400plus-1105-u ), ( Type: 38072 )

Review MESA Boogie Bass 400 Plus All tube Amplifier Head Rack Case

The Mesa/Boogie Bass 400 is an all-tube amplifier head that delivers powerful and dynamic bass tone for both studio and live performances. This rack-mountable head is part of Mesa/Boogie's renowned SubHumanity Series, known for its high-quality components and innovative design.

The Bass 400 is equipped with four 12AX7A preamp tubes and four 6L6GC power tubes. These tubes provide the amp with a rich, harmonically complex sound, enhancing the natural character of your bass guitar. The amp's design allows for both 4-ohm and 8-ohm impedance operation, making it compatible with a wide range of speaker cabinets.

The amp head features a versatile 3-band equalizer, which provides precise control over the bass, mid, and treble frequencies. Additionally, it offers a semi-parametric mid control, granting you the ability to fine-tune the midrange frequencies to your preference.

The Bass 400 also includes a variable-wattage feature, which allows you to adjust the power output from 1 to 400 watts. This enables you to achieve a wide range of tones, from the most subtle to the most powerful.

This amp head is constructed with the highest quality components and is renowned for its durability. The chassis is made with heavy-duty steel, and the front panel is covered with a powder-coated steel grille. The entire unit is designed to withstand the rigors of live performances, ensuring that it will continue to deliver exceptional tone for years to come.

The Mesa/Boogie Bass 400 is a versatile and powerful all-tube amplifier head that is perfect for bassists who demand the best in tone and reliability. Its innovative design, high-quality components, and versatile features make it an essential piece of equipment for both studio and live applications.

The Mesa/Boogie Bass 400 is a highly regarded all-tube bass amplifier head that comes in a rack mountable format. Here are some pros and cons that might help you decide if this amplifier head is the right choice for your bass playing needs.

1. Tube Warmth and Character: The all-tube design of the Bass 400 imparts a rich, warm, and dynamic tone that is highly sought after by bass players.

2. Versatility: With multiple channels and tone shaping options, the Bass 400 can handle a wide range of playing styles and genres.

3. Power: With 400 watts of power, the Bass 400 can deliver the volume and headroom needed for live performances and recording sessions.

4. Build Quality: Mesa/Boogie amplifiers are known for their durable and high-quality construction, making the Bass 400 a reliable investment.

5. Flexibility: The rack mountable design allows for easy integration into a touring or studio setup, and it can be used with a variety of speaker cabinets.

1. Price: The Bass 400 is a premium amplifier head, and its price tag might be prohibitive for some bass players.

2. Size and Weight: The all-tube design and rack mountable format make the Bass 400 a larger and heavier amplifier head than some other options.

3. Maintenance: Tube amplifiers require more maintenance than solid-state amplifiers, including regular tube replacement and biasing.

4. Power Handling: The Bass 400 might be overkill for some bass players, especially those who don't need the high volume and headroom.

The Mesa/Boogie Bass 400 is a high-end, all-tube bass amplifier head that offers a rich and dynamic tone, versatility, and power. However, it also comes with a premium price tag, larger size and weight, and the need for regular maintenance. If you are a professional bass player who needs a high-quality and versatile amplifier head for live performances and recording sessions, and you have the budget for it, then the Bass 400 is definitely worth considering. If you are a beginner or hobbyist, or if you don't need the high volume and headroom, then there might be other, more affordable and lighter options that would better suit your needs.

If you are in the market for a high-end bass amplifier head and you have the budget for it, then the Mesa/Boogie Bass 400 is definitely worth considering. Its rich and dynamic tone, versatility, and power make it an excellent choice for professional bass players who need a high-quality and reliable amplifier head for live performances and recording sessions. However, if you are a beginner or hobbyist, or if you don't need the high volume and headroom, then you might want to consider other, more affordable and lighter options that would better suit your needs. Some good alternatives include the Ampeg SVT-CL series, the Markbass Little Mark Tube 800, and the SWR SM1000.

Details:

The Mesa Boogie Bass 400 is an all-tube bass amplifier head with 500 watts of power at 2 ohms. This beauty has spent all of it life in a rack case studio. Some smaller items may ship via USPS. Pre-Gibson Goodness.

This baby pounds. Key specifications include a 12AX7 preamps and 6L6 power tubes, two channels with independent pull-bright volume controls, 7-band graphic EQ, an effects loop blend control. Visa, Master Card, American Express, Discover. Super Fast Same Day Shipping.

Includes rack case. For current delivery schedules, service availability and information, a of the UPS Guarantee, see Rate Service Guide. It has to be one of the cleanest currently available. Free shipping are for 48 lower states only.

It also features an XLR balanced out, a slave and 3-speed fan cooling system. Its looks, works, and sounds amazing. Just Serviced, pots cleaned, Power Tubes changed last year.

part #: bass400plus1105 prices

• $139.00-$575.00

specifications guitoamps:

• brand: Mesa
• mpn: Bass400plus-1105-u
• custom label: Mes-bass400plus-1105-u
• type: 38072

offer guitoamps:

• quantity: 1
• options: Ship-to-home
• sold: 0
• availability: In Stock
• started: November 6, 2025
• best offers: True

payments guitoamps:

• other
• wallet: Google-pay
• credit card: Mastercard

returns guitoamps:

• policy: Returns Accepted
• paid by: Buyer
• method: Money back
• time: 30 Days

general guitoamps:

• Musical Instruments Gear > Guitars Basses > Guitar Amplifiers
• condition: Used

seller guitoamps:

• # reviews: 28535
• rating: 100.0%
• city: Buffalo, New York

shipping guitoamps:

• transit: 2-7 Days
• type: Fixed
• cost: $75.00
• service: Standard
• class: Standard

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