Ample Bass Jaco Fretless by Ample Sound bass virtual instrument interface

Ample Bass Jaco Fretless: Fretless Bass Virtual Instrument by Ample Sound

Ample Bass Jaco Fretless is a virtual instrument by Ample Sound, built from samples of a Fender Custom Shop Jaco Pastorius Relic Fretless Jazz Bass. It offers 13 articulations and a fretless slide system for jazz, fusion and cinematic bass parts.

VST3VST2AUAAXStandaloneWindowsmacOS64-bit

AVAILABLE ATPlugin Boutique

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01Overview

Ample Bass Jaco Fretless focuses on the fretless bass sound associated with Jaco Pastorius. The sampled instrument is a Fender Custom Shop Jaco Pastorius Relic Fretless Jazz Bass, and the developer says the library captures the expressive, singing character of the instrument. The plugin is aimed at producers working in jazz, fusion and cinematic scoring, and it covers both sound design and detailed MIDI performance.

Best for

Jazz bass lines
Fusion bass parts
Cinematic low-end
Fretless slide melodies
Groove-based bass programming

Developer: Ample Sound
Category: Virtual Instruments
Store: Plugin Boutique

02Key features

What you get

Based on a Fender Custom Shop Jaco Pastorius Relic Fretless Jazz Bass
13 articulations, including artificial harmonics and fretless slides
Polyphonic legato and slide system designed for fretless playing
Drop tuning supported down to B0
Riffer 4 MIDI engine with piano roll and tab view
Tab Reader 4 supports Guitar Pro files, GP3 to GP8
Virtual amp with 3 heads, 4 cabinets and four mic choices
Built-in 8-band EQ, compressor, delay and convolution reverb

03In depth

Sound, Articulations and Slide Control

The instrument includes 13 articulations, among them artificial harmonics and fretless slides. A dedicated polyphonic legato and slide system handles the movement between notes that defines a fretless part.

Drop tuning is supported down to B0, which extends the range for heavier low-end parts. Built-in processing includes an 8-band EQ, compressor, delay and convolution reverb.

The virtual amp system offers 3 classic heads and 4 cabinets, with a choice of U87, C414, MD421 or SM57 microphones on each cabinet.

Riffer 4 MIDI Workflow and Tab Support

Riffer 4 is the MIDI engine that drives performance, with a piano roll and a tab view. String visualization shows where notes sit on the neck, and articulation can be controlled in real time.

MIDI import and export are included, with playback accuracy noted in the feature list. Tab Reader 4 reads Guitar Pro files in the GP3 to GP8 range.

A new chord system is designed for non-strumming instruments, swing quantization adds groove control, and one-click vibrato curve generation applies to all notes.

04Specs

Will it run?

Formats, systems and requirements as listed by Plugin Boutique. Missing details are left out, not guessed.

Developer	Ample Sound
Type	Plugin
Category	Virtual Instruments
Formats	VST3, VST2, AU, AAX, Standalone
Operating systems	Windows, macOS
Architecture	64-bit

05FAQ

Questions, answered

What formats does Ample Bass Jaco Fretless support?

It is available in VST3, VST2, AU, AAX and Standalone formats.

Which operating systems are supported?

Windows and macOS are supported. The Windows version runs on Windows 7, 8, 10 and 11 in 64-bit only. The Mac version requires macOS 10.9 or higher.

What do I need to run Ample Bass Jaco Fretless?

The listed requirements are about 10 GB of hard disk space and an Intel i5 or higher processor, along with a VST2, VST3, AU or AAX host, or the Standalone version.