Yumtone H4 Kontakt instrument by Soundiron interface and artwork

Yumtone H4: Kontakt Instrument Based on the Yamaha Electone HC-4

Yumtone H4 is a Kontakt instrument from Soundiron built from recordings of the Yamaha Electone HC-4, a 1987 FM synthesizer. It includes sustains, staccatos, piano, vibraphone, bells, drum loops and sound effects.

REQUIRESKontaktHost player sold separately

KontaktWindowsmacOS

AVAILABLE ATPlugin Boutique

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01Overview

Yumtone H4 takes its source material from the Electone HC-4, a Japanese FM synthesizer Yamaha introduced in 1987. Soundiron recorded the instrument articulations in wide stereo and direct line-in, then built additional ambient pads and FX presets from the same material. The library covers melodic sounds such as synth sustains, staccatos, piano, vibraphone and bells, along with tempo-syncable drum machine loops, hits and key sound effects. It runs inside Kontakt on Windows and macOS.

Best for

Retro FM synth leads
Tempo-synced drum loops
Ambient pads and textures
Vibraphone and bell sounds
Film score sound design
Sound effects and hits

Developer: Soundiron
Category: Kontakt Instruments
Requires: Kontakt
Store: Plugin Boutique

02Key features

What you get

Three open-format Kontakt .nki instruments
20 ambience patches built from the source recordings
Synth sustains, staccatos, piano, vibraphone and bells
Vintage drum loops, hits and key sound effects
20 custom sound-designed FX and ambient presets
Convolution reverb with 119 impulses
Adaptable LFO with tempo sync and multiple modulation targets
Customizable arpeggiator with swing and randomization
7,226 stereo samples at 24-bit/48kHz, 8.62 GB installed
Unlocked WAV samples for use in other WAV-compatible tools

03In depth

Sound Character and Playability

Soundiron recorded the instrument articulations in wide stereo and direct line-in, and the library is built around sustains, staccatos and a set of bright, tonal voices drawn from the Electone HC-4.

The interface includes Volume, Attack, Release, Transient Offset, Vibrato and Octave layering controls. The Glide slider lets you play legato and portamento leads. Turn it up for monophonic legato, or set it to 0 for standard polyphonic playing.

Modulation, Arpeggiator and Effects

The instrument includes an adaptable LFO with selectable shape, modulation target, speed, intensity, tempo sync and fade-in time. You can apply 13 filter types, including lowpass, highpass and FX filters, with modulation from velocity, mod wheel, expression, aftertouch, key position and a step-sequencer table.

A customizable arpeggiator offers a built-in velocity sequencer table, direction, note timing, swing, randomization and duration controls. A convolution reverb with 119 impulses and a multi-effects rack with EQ, filter, phaser, flanger, delay, distortion and amp and speaker simulation complete the signal chain.

04Specs

Will it run?

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

Developer	Soundiron
Type	Plugin
Category	Kontakt Instrument
Requires	Kontakt
Formats	Kontakt
Operating systems	Windows, macOS

05FAQ

Questions, answered

What do I need to run Yumtone H4?

Yumtone H4 requires the full version of Native Instruments Kontakt 5.5 or later. It does not run in full inside the free Kontakt Player, which only offers demo mode.

Which operating systems does Yumtone H4 support?

The library supports Windows 7 or higher and macOS 10.9 or higher. The listed minimum requirements are a dual-core CPU and 2 GB of RAM, with an SSD or SATA drive recommended.