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Average Price: $225
Standard/Professional
$200
$801+
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Description
The Peavey Mark IV Series 400 Bass Amp is a legendary powerhouse designed for bassists who demand precision and reliability. Known for its robust build and impressive tonal versatility, this amplifier head is a staple in both practice spaces and live performance venues. With a reputation for exceptional reliability, the Mark IV Series 400 delivers a clean, powerful sound that can handle any stage or studio situation.
This amp head features a classic Peavey design with a focus on usability and durability, making it ideal for musicians who need an amp that can withstand the rigors of frequent gigs. Its graphic equalizer allows for easy and precise tone shaping, giving bassists the ability to tailor their sound to fit any genre or playing style. Whether you're laying down a solid groove or cutting through a dense mix, the Mark IV Series 400 has you covered.
Engineered to provide high headroom and dynamic response, the Peavey Mark IV Series 400 ensures your bass lines are delivered with clarity and punch. Its straightforward controls make it user-friendly, while the sturdy construction ensures it will be a reliable part of your gear setup for years to come.
Key Features:
- Powerful solid-state amplifier head designed for bass
- Extensive EQ controls for precise tone shaping
- Renowned for exceptional reliability and durability
- High headroom for clear, dynamic sound
- Versatile for both live performance and studio use
Videos
R.O.T. Studios
Peavey Mark IV - New Bass Amp and Song Demonstration!
Peavey Mark IV - New Bass Amp and Song Demonstration!
R.O.T. Studios
Peavey MarkIV Bass Amp Head for sale on Reverb
DeadKoby
1980s Peavey Bass Mark IV 400BH Bass Amp Sound Demo
Caleb Andresen
Auction Find Peavey Mark IV Bass 400 Does it even work?
DeadKoby
Peavey MK IV 400 Bass Head Head Maiden Voyage
Jeff's Big Guitars
Reviews
PROS
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Extremely durable, "built like a tank"
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Versatile tones, suitable for all music styles
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Dual footswitchable channels for creative tone blending
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Paramid knob for a wide range of sounds
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High-quality built-in compressor
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Can operate at 2 ohms, powerful on stage
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Sensitive EQs for precise tone shaping
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Supports both high and low gain inputs
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Repairable design extends lifespan
CONS
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Heavy, not easily portable
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Lacks a cooling fan, can overheat at high performance
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Large vent holes risk internal damage from debris
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Specialized Peavey footswitch can be costly
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Peavey Mark IV Series 400 Bass Amp.
Build quality
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The amp is described as extremely heavy and durable, likened to being "built like a tank," which can make transportation challenging.
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Features and functionality
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It outputs 130 watts at 8 ohms, 225 watts at 4 ohms, and 320 watts at 2 ohms, suitable for loud environments like metal band performances.
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The Mark IV bass head offers a clean sound that can almost resemble plugging straight into a console, ideal for jazz or funk.
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It responds well to pedals, providing flexibility for different musical styles.
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The Mark IV's built-in compressor is noted as tricky, but it can be effectively utilized with added gain and an octave up for a "doom and zoom" sound.
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Use cases and applications
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Adding another 4-ohm cabinet can significantly increase volume, potentially to the point of triggering car alarms.
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The amp is praised for its stiff and muscular response, making it suitable for heavy, tight guitar riffs and recording.
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The Mark IV delivers a nice grit for guitar when paired with additional gain, appealing to users seeking a diverse tonal palette for recording.
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Value and pricing
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A price of $250 for both the head and cabinet is considered reasonable if both components are fully functional.
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Setup and maintenance
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It's advised to check both 15-inch speakers in the cabinet for functionality and potential damage by removing the grill and inspecting them visually and audibly.
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Comparisons
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Considered second only to the Ampeg SVT by some users for bass applications, highlighting its strong reputation.
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The Mark III 400 GH, intended for guitar, also excels with bass, offering gritty tones but lacks the crossover and compressor of the Mark IV.
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The Mark III Centurion's EQ isn't as flexible as the Mark IV for bass, but it's versatile for guitar, excelling in clean or heavy, wooly fuzzstortion tones.
Source
5.0 out of 5
Based on 0 Reviews and 3 Ratings
Artist usage
Add artist
A Peavey Mark IV Bass Amp Head can be seen in the upper right hand corner of this photo of Cliff Burton.
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According to a video by Circle of Tone, when the album "Bloody Kisses" was being recorded, Pete used a Peavey Mark IV Series 400 Bass head in the studio.
Billy used this amp amongst other Peavey amps for years in Faith No More. From the early days from We Care A Lot to the present.
In this photo, Steven Severin is seen using a Peavey Mark IV Series 400 Bass Amp head, paired with what appears to be a Peavey 2x15 cabinet, during a performance with The Cure on BBC2's Riverside. The image is credited to Herschell Hershey on Flickr.
In a photo from Revolvermag, Dan Lilker is shown using a Peavey Mark IV Series 400 Bass Amp during a performance at Club Pizazz in Philadelphia on December 21, 1986.
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In this rig photo by Peres, the Peavey Mark IV bass amplifier is visible.
In the back we see a peavey mark , 4 or 3 cant really tell one or another with this quality , might be atheist 's first bassist patterson gear
In 1985 Greg was using a Peavey Mark IV Series III head and an Ampeg V2 4 X 12 bottom. By 1987 this had been replaced by a Peavey Megabass digital bass head along with a Urei L-2 (DLA 48). These were both fed into an SVT cabinet fitted with 8 X 10"speakers and a custom-built Batson cabinet equipped with two 15" speakers.
David González of Berri Txarrak uses the Peavey Mark IV Series 400 Bass Amp as a secondary amplifier, as seen in a photo posted on Facebook.
In this post Taylor can be seen using a peavey mark IV bass head
"which I sometimes swap out for a Peavey Mark IV, and use strictly for clean low end through a 2x15 cab."
Album Usage
The Peavey Mark IV Series 400 Bass Amp has been featured on the following albums:
Genre Usage
Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.
Used With
Based on how musicians on Equipboard use Peavey Mark IV Series 400 Bass Amp, it is most commonly used with the following gear.
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