Ashun Sound Machines ASM Hydrasynth Deluxe 73 Alternatives: 6 Similar Picks Compared
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The Ashun Sound Machines ASM Hydrasynth Deluxe 73 offers 73 keys, 16-voice polyphonic digital wave morphing, and polyphonic aftertouch. It includes a multi-function ribbon controller and supports microtuning via MIDI Tuning Standard files. This combination makes it a strong choice for players who need expressive control and deep sound design in a dedicated synthesizer format. If you are looking for ashun sound machines asm hydrasynth deluxe 73 alternatives, you might want a different key count, weight, or feature set.
The 6 similar picks compared here overlap with the original in key areas like sound engine type, polyphony, or physical control options. Some alternatives offer fewer keys for portability, while others provide arranger styles or organ-focused voicings. You may prefer a lighter unit for stage use or a desktop module to save space. Each option listed shares specific specifications with the Hydrasynth Deluxe, allowing you to compare features directly. This guide helps you find a model that matches your exact technical requirements without unnecessary extras.
Our top pick: ASM Hydrasynth Deluxe 73-Key Synthesizer.
How alternatives compare to Hydrasynth
Yamaha MODX 61-Key Semi-Weighted Synthesizer
The Yamaha MODX 61 offers a lighter, more compact form factor for stage use. It weighs 22.7 pounds, significantly less than the Hydrasynth’s 43.7 pounds. It has 61 keys, which is fewer than the Hydrasynth’s 73. You lose polyphonic aftertouch and the multi-function ribbon controller found on the ASM. However, you gain a dedicated synthesizer workflow with physical controls. This model suits players who prioritize portability and sound engine variety over extended key range and expressive ribbon modulation. It is a solid choice for compact studio setups.
Yamaha 61-Key Arranger Keyboard
The Yamaha PSR-SX720+ is a 61-key arranger keyboard with a touch screen. It weighs 25.6 pounds, making it lighter than the Hydrasynth. It lacks polyphonic aftertouch and the ribbon controller. Instead, it provides extensive accompaniment styles and a large voice library. The 61-key layout is shorter than the Hydrasynth’s 73 keys. This instrument is designed for players who need automatic backing tracks and real-time control via touch. It fits those who prioritize accompaniment features over the deep, manual sound design capabilities of the Hydrasynth’s digital wave morphing engine.
Yamaha 73-Key Organ Stage Keyboard
The Yamaha YC73 matches the Hydrasynth with 73 keys, but it is an organ-focused stage keyboard. It weighs 43.3 pounds, nearly identical to the Hydrasynth’s 43.7 pounds. It does not feature polyphonic aftertouch or a ribbon controller. The sound engine is specialized for organ tones rather than digital wave morphing. This model is ideal for players who need authentic organ sounds for stage performances. It gives up the synthesizer’s expressive polyphonic aftertouch and microtuning support. Choose this if your primary need is high-quality organ tones in a similar key count.
Roland FANTOM 61-Key Synthesizer Workstation
The Roland FANTOM-06 is a 61-key workstation that weighs only 13 pounds. It is much lighter and smaller than the Hydrasynth. It has 61 keys, which is fewer than the Hydrasynth’s 73. It lacks polyphonic aftertouch and the ribbon controller. The FANTOM focuses on deep sound design and studio integration. It is built for electronic music production rather than expressive performance. This model suits producers who need a portable, feature-rich studio tool. It gives up the ASM’s expressive keybed and ribbon control for a lighter, more compact workstation design.
Korg PA600 61-Key Arranger Keyboard
The Korg PA600 is a 61-key arranger keyboard weighing 30.2 pounds. It is lighter than the Hydrasynth and has fewer keys. It does not offer polyphonic aftertouch or a ribbon controller. Instead, it features a touch interface and extensive built-in styles. This instrument is designed for performers who need automatic accompaniment. It lacks the Hydrasynth’s digital wave morphing engine and microtuning support. Choose the Korg if you prioritize live performance styles and touch-screen navigation over the manual sound design and expressive control features of the ASM Hydrasynth Deluxe.
ASM Leviasynth Desktop Synthesizer
The ASM Leviasynth is a desktop synthesizer weighing just 1.47 pounds. It is a compact expansion unit, not a keyboard. It has no keys, so you cannot play it directly. It lacks polyphonic aftertouch and ribbon controls as it is a module. This model is for producers who already own a master keyboard. It adds modular, modulation-heavy sound design to your setup. It gives up the standalone playability of the Hydrasynth. Pick this if you need to expand your sonic palette in a tiny footprint without adding bulk to your stage or studio space.
Quick picks
Our 7 picks
ASM Hydrasynth Deluxe 73-Key Synthesizer
Best for: synthesizers needing polyphonic aftertouch and ribbon control
- Number of Keys
- 73
- Key Action
- Polyphonic Aftertouch, velocity
- Sound Engine
- Digital wave morphing
- Dimensions
- 52 × 19.7 × 10.6 inches
- Weight
- 43.7 pounds
View on Amazon: ASM Hydrasynth Deluxe 73-Key Synthesizer Affiliate link
The ASM Hydrasynth Deluxe is a 73-key digital wave morphing synthesizer. It offers 16-voice polyphony and polyphonic aftertouch for expressive playing. A multi-function ribbon controller adds modulation and pitch bend capabilities. The unit weighs 43.7 pounds and measures 52 inches in length. It supports microtuning via MIDI Tuning Standard files. This instrument suits musicians seeking deep sound design and tactile control.
Pros
- 73 full-size keys with polyphonic aftertouch and velocity sensitivity
- 16-voice polyphonic digital wave morphing sound engine
- Multi-function ribbon controller for modulation, pitch bend, and theremin mode
- Microtuning support via MIDI Tuning Standard files
Cons
- 73 keys limit range compared to 88-key stage pianos
- 43.7-pound weight makes it less portable than desktop units
- No color display or touch interface listed in specifications
Good fit if
- You need polyphonic aftertouch for nuanced expression
- You want a ribbon controller for real-time modulation
- You require 16-voice polyphony for complex layers
Skip if
- You need 88 weighted keys for classical repertoire
- You prefer a lightweight portable keyboard under 30 pounds
- You require a built-in color touch display
Verdict: The ASM Hydrasynth Deluxe 73-Key Synth delivers robust sound design and expressive control for dedicated synthesizer players. It fits musicians who prioritize polyphonic aftertouch and ribbon modulation over maximum key range.
Yamaha MODX 61-Key Semi-Weighted Synthesizer
Best for: players wanting multi-engine synthesis and DAW integration
- Number of Keys
- 61
- Key Action
- Semi-weighted
- Weight
- 22.7 pounds
View on Amazon: Yamaha MODX 61-Key Semi-Weighted Synthesizer Affiliate link
You get a 61-key semi-weighted synthesizer built with three sound engines covering analog, FM, and acoustic instruments. It includes a color touch screen, eight physical faders, and the Super Knob for direct control. At 22.7 pounds, this keyboard fits musicians who need multi-engine sound generation and DAW integration through the Expanded Softsynth Plugin in stage or studio setups.
Pros
- Three sound engines for analog synthesis, FM synthesis, and acoustic instruments
- Physical control layout with eight faders, six display knobs, and a Super Knob
- Color touch screen for navigation and sound editing
- Expanded Softsynth Plugin replicates the hardware inside your DAW
Cons
- 61 keys provide a smaller range than 73-key synthesizers
- Semi-weighted key action rather than fully weighted hammer action
Good fit if
- You want FM, analog, and acoustic instrument engines inside one keyboard.
- You work in a DAW and want direct hardware replication via the Expanded Softsynth Plugin.
- You prefer physical faders, display knobs, and a touchscreen for sound adjustments.
Skip if
- You need a 73-key or 88-key compass for wide two-handed playing.
- You require fully weighted hammer keys instead of semi-weighted synth action.
Verdict: Yamaha 61-Key Semi-Weighted Synthesizer gives stage and studio synthesists multi-engine sound generation and deep DAW integration in a compact 61-key format.
Yamaha 61-Key Arranger Keyboard
Best for: Players needing extensive styles and controls
- Number of Keys
- 61
- Preset Sounds
- 1,300 Voices
- Power Source
- Power adapter
- Included Accessories
- Music rest, power adapter
- Color
- Black
- Dimensions
- 17 × 40.1 × 5.5 inches
View on Amazon: Yamaha 61-Key Arranger Keyboard Affiliate link
The Yamaha PSR-SX720+ is a 61-key arranger keyboard designed for live performance and practice. It features 1,300 voices and 450 styles, including Super Articulation+ for realistic nuances. You get assignable live control knobs, a joystick, and a touchscreen for precise adjustments. The chord looper helps you record progressions while you play. It weighs 25.6 pounds and includes a music rest and power adapter.
Pros
- 1,300 realistic instrument voices
- 450 accompaniment styles with left-hand response
- Super Articulation+ for natural instrument nuances
- Assignable live control knobs and joystick
- Chord looper for seamless recording
Cons
- 61 keys limit range compared to 73-key models
- No battery power option listed
- 25.6 pounds weight adds bulk for travel
Good fit if
- You need full band accompaniment styles
- You want assignable controls for live tweaking
- You prefer a touchscreen interface
Skip if
- You require 73 or more keys
- You need battery-powered portability
- You want a dedicated organ-focused layout
Verdict: Yamaha PSR-SX720+ 61-Key Arranger suits players who value extensive voice libraries and real-time control over a larger keyboard range. It fits those who prioritize accompaniment styles and touch-screen navigation.
Yamaha 73-Key Organ Stage Keyboard
Best for: Organ-focused stage performances
- Number of Keys
- 73
- Sound Engine
- VCM Organ, FM Organ
- Color
- Black
- Dimensions
- 9.1 × 9.1 × 9.1 inches
- Weight
- 43.3 pounds
View on Amazon: Yamaha 73-Key Organ Stage Keyboard Affiliate link
The Yamaha YC73 is a 73-key stage keyboard focused on organ performance. It uses a VCM Organ engine to model vintage circuit behavior and an FM Organ engine for synth-style tones. You get dual key sections with realistic pianos and strings. Nine FX processors allow on-the-fly sound customization. This 43.3-pound unit suits players needing authentic organ character and versatile synth capabilities in a portable format.
Pros
- VCM Organ engine models component-level circuit behavior
- FM Organ engine provides pure synth sound with massive low end
- Dual key sections include acoustic and electric pianos
- Nine FX processors with dedicated panel controls
Cons
- 73-key count is smaller than full 88-key standards
- No mention of Bluetooth connectivity
- No mention of a built-in display
Good fit if
- You need authentic vintage organ tones
- You want FM synth capabilities
- You prefer dedicated panel controls for effects
Skip if
- You require a full 88-key weighted action
- You need Bluetooth wireless connectivity
- You prefer a touchscreen interface
Verdict: Yamaha YC73 73-Key Organ Keyboard delivers specialized organ and synth sounds for players who prioritize tone quality over full piano range.
Roland FANTOM 61-Key Synthesizer Workstation
Best for: Studio sound design and electronic music production
- Number of Keys
- 61
- Sound Engine
- ZEN-Core, V-Piano, SuperNATURAL
- Connectivity
- Audio I/O, MIDI, CV/gate, USB, mic in
- Color
- Black
- Dimensions
- 44.4 × 18.6 × 8.8 inches
- Weight
- 13 pounds
View on Amazon: Roland FANTOM 61-Key Synthesizer Workstation Affiliate link
The Roland FANTOM-06 is a 61-key synthesizer using ZEN-Core, V-Piano, and SuperNATURAL engines. It includes a color touchscreen, 16 RGB pads, and a vocoder with mic input. Weighing 13 pounds, it offers extensive connectivity for studio integration. This instrument suits players needing deep sound design and sequencing tools in a compact format.
Pros
- 61-note keyboard with ZEN-Core and V-Piano sound engines
- Large color touchscreen and 16 RGB performance pads
- Onboard vocoder with dedicated mic input
- 4x32 USB audio interface for DAW integration
- Multi-channel audio I/O and CV/gate outputs
Cons
- 61-key layout limits range for two-handed classical playing
- 13-pound weight adds bulk for frequent transport
- No dedicated display for real-time parameter editing beyond the touchscreen
Good fit if
- You need a compact synthesizer with deep sampling capabilities
- You want integrated vocoder and mic input for vocal processing
- You prefer a touchscreen interface for intuitive sound design
Skip if
- You require a full 88-key weighted action for piano performance
- You need a lightweight keyboard for frequent gigging
- You prefer a dedicated hardware display for quick parameter access
Verdict: Roland FANTOM-06 61-Key Synthesizer fits producers who value deep sound design and studio integration in a portable package. It is ideal for electronic music creation rather than traditional piano performance.
Korg PA600 61-Key Arranger Keyboard
Best for: performers needing extensive built-in styles
- Number of Keys
- 61
- Sound Engine
- Enhanced RX and DNC, internal PCM
- Dimensions
- 14.9 × 40.6 × 5 inches
- Weight
- 30.2 pounds
View on Amazon: Korg PA600 61-Key Arranger Keyboard Affiliate link
The Korg PA600 is a 61-key professional arranger keyboard designed for musicians who need extensive accompaniment styles. It features an enhanced RX and DNC sound engine with massive internal PCM memory for high-quality sounds. The unit includes a color TouchView display for easy navigation. Weighing 30.2 pounds, it offers a compact footprint suitable for various performance settings.
Pros
- 61-key professional arranger layout
- Enhanced RX and DNC sound engine
- Massive internal PCM sound library
- Color TouchView display for control
Cons
- Only 61 keys limit full-range playing
- No Bluetooth audio or MIDI mentioned
- No dedicated remote control included
Good fit if
- You need extensive accompaniment styles
- You want a color touch display
- You prefer a compact 61-key layout
Skip if
- You require 73 or 88 keys
- You need wireless connectivity
- You want a dedicated remote
Verdict: The Korg PA600 61-Key Arranger suits performers who prioritize built-in styles and a touch interface over full-size keys. It delivers professional arranger features in a portable package.
ASM Leviasynth Desktop Synthesizer
Best for: Compact desktop synthesis and studio expansion
- Color
- Black
- Weight
- 1.47 pounds
View on Amazon: ASM Leviasynth Desktop Synthesizer Affiliate link
The ASM Leviasynth is a compact desktop synthesizer weighing just 1.47 pounds. It features 16 voices with 8 oscillators per voice and supports complex modulation techniques like Phase Modulation and Frequency Modulation. The unit includes a multi-color touch screen and an arpeggiator with an Entropy function. This lightweight gear suits users needing a portable, feature-rich sound source for studio or stage use.
Pros
- 16 voices with 8 oscillators per voice
- Multi-color touch screen interface
- Arpeggiator with Entropy function
- Supports Phase Modulation and Frequency Modulation
Cons
- Desktop form factor limits portability compared to keyboards
- No built-in speakers for standalone play
- Requires external computer for patch management
Good fit if
- You need a lightweight desktop synth for studio work
- You want extensive oscillator modulation options in a small package
- You already have a keyboard controller to trigger it
Skip if
- You require a full-sized piano keyboard for performance
- You need built-in speakers for immediate play
- You prefer a traditional arranger keyboard with styles
Verdict: The ASM Leviasynth Desktop Synthesizer fits producers who need a modular, modulation-heavy sound engine in a tiny footprint. It is ideal for those who already own a master keyboard and want to expand their sonic palette without adding bulk.
Specifications side by side
| Spec | ASM Hydrasynth Deluxe 73-Key Synthesizer | Yamaha MODX 61-Key Semi-Weighted Synthesizer | Yamaha 61-Key Arranger Keyboard | Yamaha 73-Key Organ Stage Keyboard | Roland FANTOM 61-Key Synthesizer Workstation | Korg PA600 61-Key Arranger Keyboard | ASM Leviasynth Desktop Synthesizer |
|---|---|---|---|---|---|---|---|
| Number of Keys | 73 | 61 | 61 | 73 | 61 | 61 | not stated |
| Key Action | Polyphonic Aftertouch, velocity | Semi-weighted | not stated | not stated | not stated | not stated | not stated |
| Sound Engine | Digital wave morphing | not stated | not stated | VCM Organ, FM Organ | ZEN-Core, V-Piano, SuperNATURAL | Enhanced RX and DNC, internal PCM | not stated |
| Preset Sounds | not stated | not stated | 1,300 Voices | not stated | not stated | not stated | not stated |
| Connectivity | not stated | not stated | not stated | not stated | Audio I/O, MIDI, CV/gate, USB, mic in | not stated | not stated |
| Power Source | not stated | not stated | Power adapter | not stated | not stated | not stated | not stated |
| Included Accessories | not stated | not stated | Music rest, power adapter | not stated | not stated | not stated | not stated |
| Color | not stated | not stated | Black | Black | Black | MultiColored | Black |
| Dimensions | 52 × 19.7 × 10.6 inches | not stated | 17 × 40.1 × 5.5 inches | 9.1 × 9.1 × 9.1 inches | 44.4 × 18.6 × 8.8 inches | 14.9 × 40.6 × 5 inches | not stated |
| Weight | 43.7 pounds | 22.7 pounds | 25.6 pounds | 43.3 pounds | 13 pounds | 30.2 pounds | 1.47 pounds |
| Model | HSLX | MODX M6 | PSRSX720+ | YC73 | FANTOM-06 | PA600 | LSDR |
| Size | not stated | M6 | 17 x 40.0625 x 5.5 inches | 73 keys | 18.6 x 44.4 x 8.8 inches | 1030mm x 378mm x 127mm | not stated |
If you are also outfitting a studio breakroom, compare specifications for chefman crema deluxe espresso machine alternatives.
Frequently asked questions
Which alternative offers the lightest weight for easy transport?
The Roland FANTOM-06 61-Key Synthesizer is the lightest option on this list, weighing just 13 pounds. This makes it significantly easier to carry than the ASM Hydrasynth Deluxe, which weighs 43.7 pounds. It is designed for producers who need a portable studio workstation for electronic music creation.
What is the best choice for players needing polyphonic aftertouch?
The ASM Hydrasynth Deluxe 73-Key Synthesizer is the top pick for musicians requiring polyphonic aftertouch. It also features a multi-function ribbon controller for expressive modulation. Other options like the Yamaha MODX or FANTOM series do not highlight this specific keybed feature in their specifications.
Are there compact synthesizers under 25 pounds available?
Yes, the Yamaha MODX 61-Key Semi-Weighted Synthesizer weighs 22.7 pounds. The Yamaha PSR-SX720+ Arranger Keyboard is slightly heavier at 25.6 pounds. Both offer 61 keys, providing a smaller footprint compared to the 73-key models while maintaining essential control features for stage or studio use.
Which keyboard is best for organ-focused performances?
The Yamaha YC73 73-Key Organ Stage Keyboard is designed specifically for organ players. It delivers specialized organ and synthesizer sounds with a focus on tone quality. It shares the same 73-key count as the Hydrasynth but prioritizes organ-specific controls and sound engines over general synthesis.
Do any alternatives include a touchscreen interface?
The Yamaha PSR-SX720+ Arranger Keyboard and the Korg PA600 Arranger Keyboard both feature touch-screen navigation. These models are designed for players who value extensive voice libraries and real-time control over accompaniment styles. They offer professional arranger features within a portable package.
Is there a desktop synthesizer option for studio expansion?
The ASM Leviasynth Desktop Synthesizer is a compact desktop unit weighing only 1.47 pounds. It is ideal for producers who already own a master keyboard and want to expand their sonic palette. Its tiny footprint allows for modular, modulation-heavy sound design without adding bulk to your setup.
Which model provides the most extensive built-in styles?
The Korg PA600 61-Key Arranger Keyboard suits performers who prioritize built-in styles and a touch interface. It delivers professional arranger features in a portable package. The Yamaha PSR-SX720+ also offers extensive styles, making it a strong alternative for players needing accompaniment features over a larger key range.