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A 73-key controller is the sweet spot for players who want more than a compact 61-key layout but don’t have room (or budget) for a full 88-key weighted board. The key action is what separates these models most — fully weighted for a piano feel, or semi-weighted/synth-action for faster playability.
| # | Product | Price | Where to buy |
|---|---|---|---|
| 1 | Studiologic SL73 Studio | $700–$900 | Amazon · eBay |
| 2 | Nord Electro 6D 73 | $2,000–$2,500 | Amazon · eBay |
| 3 | Kurzweil PC3K7 | $1,200–$1,800 | Amazon · eBay |
| 4 | Korg Krome 73 | $900–$1,300 | Amazon · eBay |
1. Studiologic SL73 Studio
A fully-weighted 73-key controller with genuine piano-style feel — Fatar TP/100LR keybed technology with adjustable feel and aftertouch.
- Fatar TP/100LR fully-weighted keybed
- Triple-switch key detection
- Aftertouch
- Adjustable soft/medium/hard feel
- TFT color display
- Among the most authentic piano feel available in a MIDI controller
- Adjustable key feel to match player preference
- Aftertouch adds real expressive control
- Heavier than semi-weighted alternatives — less ideal for frequent gigging transport
- Premium price for a MIDI-only (non-sound-producing) controller
Price: $700–$900
2. Nord Electro 6D 73
Nord’s 73-key semi-weighted waterfall action, balancing organ/synth playability with enough weight to still feel expressive for piano parts.
- 73-key semi-weighted waterfall keybed
- Organ-friendly waterfall key design
- Nord’s signature build quality
- Waterfall keys are ideal if you play organ sounds as well as piano/synth
- Strong build quality and stage reliability
- Lighter and more gig-friendly than fully-weighted boards
- This is a workstation, not a pure MIDI controller — premium pricing reflects the onboard sound engine
- Semi-weighted feel isn’t a substitute for fully-weighted piano action
Price: $2,000–$2,500
3. Kurzweil PC3K7
A 73-key semi-weighted workstation controller with a strong reputation for both piano feel and synth playability in one board.
- 73-key semi-weighted action
- Onboard workstation sound engine
- Extensive controller/performance features
- Versatile action that works for both piano and synth-style playing
- Established, well-regarded key action from Kurzweil
- Deep onboard sound engine if you also want a standalone workstation
- More than a dedicated player needs if you only want a MIDI controller
- Older product line — check current availability
Price: $1,200–$1,800
4. Korg Krome 73
The 73-key version of Korg’s well-regarded Krome workstation line, offering a natural semi-weighted touch in a mid-size footprint.
- 73-key semi-weighted natural touch keybed
- Onboard workstation sound engine
- Mid-size, gig-friendly footprint
- Good balance of key feel and portability
- Established Korg build quality
- Workstation sounds included if needed beyond pure MIDI control
- Workstation pricing is higher than a MIDI-only controller
- 73-key size sits in a less common market segment — fewer units available than 61/88
Price: $900–$1,300
Buying tips
- If you play a lot of organ sounds, a waterfall-key board (like the Nord Electro) feels noticeably better than a standard piano-style key edge.
- Fully-weighted (Studiologic SL73) gives the most authentic piano feel but adds real weight — factor that in if you’re gigging and carrying it yourself.
- 73-key is a less common size than 61 or 88, so expect a smaller used market and fewer accessory options (cases, stands) built specifically for that width.
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