E-Mu E6400 Ultra

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$800.00 Price Tier: High-end

4.5 (9)

3 Reviews

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2 wishlisted

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Page last updated Jun 17, 2026

Pricing and availability

We compare 600+ stores and found this item at 1 store. Prices updated June 17, 2026.

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Reviews

Price

5.0 (1)

$800.00 4 available Used

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Average Price: $800

High-end/Boutique

$249

$700+

Price Tier

In the Audio Samplers category, E-mu E6400 Ultra 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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Unlock the full potential of your sound creation with the E-mu E6400 Ultra, a powerhouse in the world of audio samplers. Designed for both aspiring and professional DJs, this sampler offers a seamless blend of versatility and innovation, making it a staple in any sound toolkit. The E6400 Ultra stands out with its RFX-32 effects processor, which brings a wide spectrum of sonic possibilities to your fingertips. Whether you’re sampling, editing, or performing, this device ensures high-quality audio processing with its advanced architecture.

Equipped with a user-friendly interface, the E6400 Ultra allows for intuitive navigation through its extensive features. It offers up to 128 MB of sample memory, ensuring you have ample space for all your creative endeavors. The sampler includes a vast library of sounds and effects, providing endless inspiration for your projects. Its compatibility with various formats means you can easily integrate it into your existing setup.

For those who demand precision and depth in their sound design, the E6400 Ultra delivers with its Z-Plane filters. These filters provide dynamic and evolving soundscapes, giving you the ability to craft unique auditory experiences.

Whether you're in the studio or on stage, the E-mu E6400 Ultra is engineered to enhance your musical journey with efficiency and creativity.

Key Features:

RFX-32 effects processor for versatile sound manipulation
Up to 128 MB of sample memory for extensive sound storage
Z-Plane filters for dynamic sound shaping
User-friendly interface for easy navigation
Compatibility with various audio formats for seamless integration
Extensive library of sounds and effects

Product specs

Brand	E-MU Systems
Model	E6400 Ultra Rackmount 128-Voice Sampler Workstation
Finish	Black
Year	1999
Made In	United States
Categories	Rackmount Synths, Samplers
Analog / Digital	Digital
MIDI I/O	MIDI Input, MIDI Output, MIDI Through
Polyphony	128 Voices

FAQs

What is the polyphony of the E-mu E6400 Ultra sampler?: The E-mu E6400 Ultra offers 128 voices of polyphony, allowing for complex layering and sequencing of samples without voice-stealing.
Does the E-mu E6400 Ultra support MIDI connectivity?: Yes, the E-mu E6400 Ultra features MIDI Input, Output, and Through, providing comprehensive connectivity for integration into your MIDI setup.
What type of synthesis does the E-mu E6400 Ultra use?: The E-mu E6400 Ultra is a digital sampler, which means it uses digital sampling technology to capture and manipulate audio samples.
Is the E-mu E6400 Ultra suitable for live performances?: Yes, the E-mu E6400 Ultra's rackmount design and robust MIDI capabilities make it suitable for live performances, allowing for real-time sample triggering and manipulation.
How many samples can the E-mu E6400 Ultra handle simultaneously?: With its 128-voice polyphony, the E-mu E6400 Ultra can handle multiple samples simultaneously, making it ideal for complex arrangements and soundscapes.

Videos

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leon nine

EMU E6400 ULTRA - beat munger

leon nine

EMU Ultra bass editing tutorial

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Reviews

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Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about E-mu E6400 Ultra.

Setup and maintenance

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SCSI termination may need to be set internally or require a physical terminator for proper drive functionality.
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It's been reported that setting SCSI IDs and termination incorrectly might still allow mounting, suggesting experimenting with unusual configurations could resolve issues.
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Owners have found the E-MU E6400 Ultra may only mount drives when terminated mid-SCSI chain, conflicting with conventional SCSI setups.
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Users recommend attempting a low-level format (LL format) as per manual instructions (page 361) to diagnose drive health specifically for bad sectors or failures.
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Mods and upgrades

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ZuluSCSI is recommended as a modern replacement for failed 50 pin SCSI drives in the E-MU E6400 Ultra.
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The SCSI2SD adapter is recommended for modernizing the E6400 Ultra, facilitating the use of SD cards for storage and transfer.
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Features and functionality

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E-MU E6400 Ultra can recognize connected drives, but saving/exporting issues may arise if the drive isn't properly formatted or compatible.
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The E-mu E6400 Ultra can be upgraded to OS 4.7, enabling FAT32 file system support for easier file exchanges with modern computers.
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Software and compatibility

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The E-MU's inability to save to a visible Seagate hard disk despite seeing it suggests potential firmware or compatibility issues beyond simple formatting problems.
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Recycle 2.0 software is used by owners for beat production and can interface with the sampler via SCSI for seamless integration.
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User experience

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One long-term owner since 1997 expressed renewed interest in using their E-mu E6400 Ultra after discovering modern upgrade options.
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4.5 out of 5

Based on 3 Reviews and 9 Ratings

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maikeuille_desfleurs

125

12 days ago

Great but...

Tremendous sounds, an abosulte killer machine if you like to quench out the last drop out of a simple sound to make a roomfilling pad, rich basslines or lead sounds.

But...the menu diving is from another age. If you are patient, give it a try. You will fall in love. If you except the maximum after 10 minutes, you'll be disapointed.

Roles:

Guitarist Drummer Keyboardist

Genres:

Electronica Synthpop Big Band

alex_liddell

almost 4 years ago

Excellent Hardware Sampler

I absolutely adore this thing. Filters sound nice and thick and I still use the factory library to this day. Just an all around powerful hardware sampler.

Preferred Settings + Usage:

The Hammered Dulcimer in the World Instruments library is something I use all the time, along with some great for the time orchestral samples. Especially solid for getting that PS1 era sample orchestra sound.

Roles:

Singer Guitarist Keyboardist

Genres:

Electronic Rock Pop

nick_cent

over 10 years ago

My favourite piece of gear

This is a very sophisticated device. Programming the so called Cords (modulation matrix) is a thing on it's own. You can't use this device if you don't read the manual. But, in the end you have a machine that is very expressive, warm sounding and if you're looking for heavy low end; this is the best sampler I have encountered. I have a second unit for spares.