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Ampeg B2 350-Watt Rackmount Bass Amp Head

Ampeg B2 350-Watt Rackmount Bass Amp Head

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Page last updated Jun 28, 2026

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Description

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Elevate your bass game with the Ampeg B2 350-Watt Rackmount Bass Amp Head. Designed for both the stage and studio, this amp head delivers a powerful and versatile sound that bass players crave. Its MOSFET power section ensures a warm, tube-like tone, while maintaining the reliability and efficiency of solid-state technology. Whether you're slapping funky grooves or laying down a heavy metal foundation, the B2 is engineered to meet the demands of any genre.

This amp head is equipped with a flexible EQ section, featuring a 9-band graphic equalizer that allows precise tonal shaping to suit your unique sound. The ultra-low and ultra-high switches provide additional tonal customization, perfect for sculpting your sound in any setting. With a balanced line out, you can easily connect to PA systems or recording gear, making it a versatile choice for live performances and studio sessions alike.

The Ampeg B2 is not just about raw power; it's about control and flexibility. Featuring an effects loop and a direct output with a pre/post EQ switch, it integrates seamlessly with your existing setup, offering endless creative possibilities. Its rackmount design ensures durability and portability, making it an ideal companion for touring musicians or those constantly on the move.

Key Features:

350-watt MOSFET power section
9-band graphic EQ for precise tonal control
Ultra-low and ultra-high frequency switches
Balanced line out for easy connectivity
Effects loop and direct output with pre/post EQ switch
Rackmount design for durability and portability

Product specs

Brand	Ampeg
Model	B2 350-Watt Rackmount Bass Amp Head
Year	1994 - 1999
Categories	Bass Heads
Color Family	Black
Electronics	Solid State
Impedance	16 ohms, 8 ohms
Number of Channels	1 Channel
Number of Inputs	1 Input
Output Power (Watts)	350
Power Tube Type	None
Reverb	None

FAQs

What is the power output of the Ampeg B2 350-Watt Rackmount Bass Amp Head?: The Ampeg B2 350-Watt Rackmount Bass Amp Head delivers 350 watts of solid-state power, making it suitable for both practice and live performance settings.
What type of electronics does the Ampeg B2 use?: The Ampeg B2 features solid-state electronics, providing reliable performance and a clean, powerful sound for bass players.
How many channels does the Ampeg B2 350-Watt Bass Amp Head have?: The Ampeg B2 350-Watt Bass Amp Head has a single channel, designed to deliver consistent tone and simplicity for bassists.
What are the impedance options for the Ampeg B2 Bass Amp Head?: The Ampeg B2 Bass Amp Head supports 16 ohms and 8 ohms impedance, allowing flexibility in speaker cabinet pairing.
Does the Ampeg B2 350-Watt Rackmount Bass Amp Head include built-in reverb?: No, the Ampeg B2 350-Watt Rackmount Bass Amp Head does not include built-in reverb, focusing instead on delivering a straightforward, powerful bass tone.

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Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Ampeg B2 350-Watt Rackmount Bass Amp Head.

Comparisons

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Owners report the B2R struggles with volume, failing to compete with smaller wattage amps like the Marshall 200w solid state head paired with a Hartke 4x10 cab.
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Despite its shortcomings, the Ampeg B2R is considered to maintain the signature "Ampeg sound," making it preferable to comparable budget combos.
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Compared to the Mesa D800, the B2RE offers significantly less power, making it potentially less effective for high-volume metal gigs.
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User experience

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Users describe the B2R's sound as "muddy" and "woofy," indicating difficulty cutting through mixes, even with substantial power on tap.
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A common sentiment is that the B2R feels underpowered; users had to crank it to keep up with other instruments, often leading to dissatisfaction.
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Features and functionality

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The graphic EQ on the B2R is noted as handy but often underutilized by users, implying it may not be a strong selling point for all.
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The B2RE is heavier and larger than many modern alternatives, which might influence portability considerations for frequent gigging musicians.
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Use cases and applications

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Achieving the desired Ampeg sound may require preamp clipping, as the B2RE's input peak light is designed to handle some distortion for tonal improvement.
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