# What are some of the larger digital synthesizer models available? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What are some of the larger digital synthesizer models available?

## Products

### Korg Kronos 88
```yaml
product: korg-kronos-88
brand: Korg
price_gbp: 2536.75
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
polyphony: up to 200 voices
sequencer: 16-track MIDI sequencer + 16-track audio recorder, 200 songs, 1/480 resolution
connectivity: 2x line input; 2x line output; 4x individual outputs; stereo headphone; MIDI In/Out/Thru; S/PDIF optical in/out; USB Type B; USB Type A; damper/footswitch/exp inputs
filter_types: Low Pass; High Pass; Band Pass; Band Reject; Multi-mode; 24 dB 4-pole
sampling_rate: 48 kHz
```

- **Price:** £2536.75 [^1]
- **Summary:** The Korg Kronos 88 is a flagship 88-key weighted workstation combining nine distinct sound engines, extensive sampling (16/24-bit at 48 kHz), powerful real-time effects, KARMA algorithmic performance, and a 16-track MIDI sequencer plus 16-track audio recorder. It suits professional stage and studio use where deep sound design, large internal sample storage, and comprehensive connectivity are required.
- **Ideal For:** Ideal for the question because its 88-key RH3 keyboard, nine synthesis engines, and up to 200-voice polyphony make it one of the largest and most feature-rich digital synthesizer workstations available.
- **Additional Sources:** [^2], [^3], [^1], [^2], [^3]

### Kurzweil PC4-7
```yaml
product: kurzweil-pc4-7
brand: Kurzweil
price_gbp: 1491.47
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
polyphony: 256
sequencer: 16-track internal sequencer
connectivity: 1/4 in pair audio input, 1/8 in audio input, MIDI (16 parts), pedal inputs, USB (implied by modern workstation)
sampling_rate: 96kHz (user sample support up to 16-bit/96kHz)
num_oscillators: 6-Operator FM Engine
```

- **Price:** £1491.47 [^4]
- **Summary:** The Kurzweil PC4-7 is a 76-note performance controller/workstation with Kurzweil's V.A.S.T. engine, 2GB factory samples, a 6-operator FM engine, 256-voice polyphony, extensive effects, and a 16-track sequencer. It includes 36 programmable controllers, multiple live inputs, and deep sound-editing suited for stage and studio use.
- **Ideal For:** Suitable for larger digital synthesizer collections because it offers 256-voice polyphony, a 6-operator FM engine, V.A.S.T. synthesis, and a 16-track sequencer, enabling complex, multilayered patches.
- **Additional Sources:** [^5], [^6], [^4], [^5], [^6]

### Nord Electro 6 HP 73
```yaml
product: nord-electro-6-hp-73
brand: Nord
price_gbp: 2162.96
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
polyphony: 120 (piano) / 46 (sample synth)
connectivity: External keyboard inputs (assignable), sustain pedal, control/swell, rotary speed, stereo outputs (details on site)
filter_types: Velocity sensitive low pass filter; Piano Filters
```

- **Price:** £2162.96 [^7]
- **Summary:** The Nord Electro 6 HP 73 is a 73-note hammer-action stage keyboard with three independent sound sections (Organ, Piano, Sample Synth), extensive effects, and advanced organ and rotary speaker emulations. It targets gigging keyboardists needing authentic electric/acoustic piano, organ and sample-based synth sounds in a portable package.
- **Ideal For:** Suitable for larger digital synthesizer collections because it offers multi-timbral operation with dedicated Sample Synth memory (512MB) and 46-voice sample polyphony, letting it function as a substantial synth voice among larger models.
- **Additional Sources:** [^8], [^9], [^7], [^8], [^9]

### Sequential Prophet X
```yaml
product: sequential-prophet-x
brand: Sequential
price_gbp: 2611.36
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
polyphony: 8-voice stereo, 16-voice mono/stereo, 32-voice paraphonic
sequencer: Polyphonic step sequencer up to 64 steps (up to 6 notes per step)
connectivity: MIDI, USB MIDI, integrated power supply, audio outputs (stereo), three OLED displays (specific jacks not listed on page)
filter_types: Analog 4-pole resonant low-pass (two per voice); digital high-pass in effects
sampling_rate: 48 kHz (samples are 16-bit, 48 kHz)
num_oscillators: 2 digital oscillators per voice
```

- **Price:** £2611.36 [^10]
- **Summary:** The Prophet X is a samples-plus-synthesis hybrid combining two 16-bit/48 kHz stereo sample instruments and two high-resolution digital oscillators per voice, processed through analog 4-pole resonant low-pass filters with extensive modulation and effects. It includes 150 GB factory samples, a polyphonic 64-step sequencer, and flexible voice modes (8/16/32) suitable for studio and live use.
- **Ideal For:** Suitable for users seeking one of the larger digital synthesizers because it combines large onboard sample storage (150 GB), dual oscillators per voice, and multi-mode polyphony up to 32 voices, offering massive sound design possibilities.
- **Additional Sources:** [^11], [^11], [^10], [^11], [^11]

### Yamaha Montage 8
```yaml
product: yamaha-montage-8
brand: Yamaha
price_gbp: 2984.42
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
polyphony: 256 AWM2, 128 FM-X, 16 AN-X
sequencer: 16-track performance recorder; 16-track sequencer; 128 patterns; 128 songs
connectivity: USB to Host, USB to Device, MIDI In/Out/Thru, balanced L/MONO and R outputs, assignable outputs, A/D input, foot controllers, foot switches, phones
filter_types: 18 types (system), 10 types (AN-X engine)
sampling_rate: 44.1 kHz - 192 kHz (USB audio interface outputs)
num_oscillators: 3 (AN-X engine)
```

- **Price:** £2984.42 [^12]
- **Summary:** The Yamaha Montage 8 is an 88-key flagship synthesizer with Yamaha's Motion Control Synthesis Engine combining AWM2, FM-X and AN-X engines, extensive effects, high polyphony and comprehensive I/O including multichannel USB audio. It includes a large color touch display, deep hands-on controls and a 16-track sequencer, suited for studio and live performance. It offers advanced analog modeling via AN-X alongside sample-based and FM synthesis.
- **Ideal For:** Suitable as a larger digital synthesizer due to its 88-key format, multi-engine design (AWM2, FM-X, AN-X) and up to 256/128/16-note polyphony across engines.
- **Additional Sources:** [^13], [^14], [^13], [^14], [^12]

---
## References & Sources
[^1]: KORG US Shop, accessed 2026-06-14. https://korgusshop.com/products/kronos-3
[^2]: Guitar Center, accessed 2026-06-14. https://www.guitarcenter.com/KORG/KRONOS-3-88-Key-Weighted-Workstation-1500000453067.gc
[^3]: Thomann, accessed 2026-06-14. https://www.thomannmusic.com/korg_kronos_88_609236.htm
[^4]: Keynote Music, accessed 2026-06-14. https://keynotemusic.com/products/kurzweil-pc4-7-76-key-workstation-keyboard
[^5]: Guitar Center, accessed 2026-06-14. https://www.guitarcenter.com/Kurzweil/PC4-7-76-Key-Performance-Controller-1500000337108.gc
[^6]: Kurzweil (official), accessed 2026-06-14. https://kurzweil.com/pc4-7/
[^7]: Nord Keyboards (official), accessed 2026-06-14. https://www.nordkeyboards.com/products/nord-electro-6/
[^8]: Guitar Center, accessed 2026-06-14. https://www.guitarcenter.com/Nord/Electro-6HP-73-Key-1500000222638.gc
[^9]: Strait Music, accessed 2026-06-14. https://www.straitmusic.com/products/nord-electro-6d-73-73-key-velocity-sensitive-semi-weighted-waterfall-keyboard
[^10]: Sequential (official shop), accessed 2026-06-14. https://sequential.com/product/prophet-x/
[^11]: Mission Synths, accessed 2026-06-14. https://www.missionsynths.com/products/sequential-prophet-x-special-order
[^12]: 123DJ, accessed 2026-06-14. https://www.123dj.com/keyboard/yamaha-montage-8.html
[^13]: Ted Brown Music Company, accessed 2026-06-14. https://tedbrownmusic.com/yamaha-montage-m8x-synthesizer
[^14]: Apex Piano Showroom, accessed 2026-06-14. https://www.apexpianoshowroom.com/products/yamaha-montage-m8x