Dynavector P75 Mk4.1 Phono Stage
A refined MM/MC phono stage with upgraded USB-PD power, improved RIAA accuracy, a simpler jumper system and optional Phono Enhancer mode for low-output MC cartridges.
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About the Dynavector P75 Mk4.1
A significant upgrade to a proven design
The P75 Mk4.1 from Dynavector is a compact, high-performance phono stage designed to work beautifully with pretty much any MM or MC cartridge. Externally it looks similar to the earlier P75 Mk4 model, but inside it has been significantly reworked, with a new USB Power Delivery (USB-PD) power architecture, revised circuit layout and improved RIAA accuracy. There is a clear step forward in clarity, refinement and overall musical expression. We think they should have called it the Mk5.
Designed for lower noise and higher performance
The move to USB-PD marks a world first for a high-end phono stage. Instead of relying on a fixed-voltage plug pack, the P75 Mk4.1 negotiates the exact power it needs from a USB-PD adaptor, ensuring stable, ultra-clean operation. The internal power system fully isolates and regenerates the incoming supply, so there’s no advantage in using a linear PSU or special USB-C cable. A standard USB-PD adaptor is all that’s required.
As an MM/MC phono stage, the P75 Mk4.1 is exceptionally quiet and transparent. Gain and loading can be precisely configured via a new, more intuitive jumper system, allowing the P75 Mk4.1 to partner effectively with almost any cartridge. A revised steep roll-off subsonic filter helps control turntable rumble and warped records, improving stability and low-frequency cleanliness.
Unlocking more from low-output MC
For low-output moving-coil cartridges, the P75 Mk4.1 also includes Dynavector’s patented Phono Enhancer (PE) mode. Originally developed for the company’s own MC designs, it can also work well with many other low-output MC cartridges, adding openness, dynamic drive and a more cohesive musical flow. PE mode is entirely optional, sitting alongside the Mk4.1’s already excellent standard operation.
Features
- Cleaner, more refined sound thanks to the new USB-PD power architecture and improved internal layout.
- Greater musical accuracy with enhanced RIAA performance that reveals more texture, detail and nuance.
- Consistent performance without extras, as the fully regenerated internal power system makes linear PSUs and premium USB-C cables unnecessary.
- Straightforward cartridge matching using a new, simplified jumper system for quick, confident setup.
- Cleaner low frequencies with a steep roll-off subsonic filter controlling rumble and the effects of warped records.
- Optional Phono Enhancer mode for low-output MC cartridges, adding openness, drive and musical cohesion when desired.
Specifications
| Brand | Dynavector |
|---|---|
| Type | MM/MC phono preamplifier with optional Phono Enhancer mode |
| Audio Inputs | 1 × unbalanced RCA (phono) |
| Audio Outputs | 1 × unbalanced RCA (line) |
| Cartridge Types Supported | Moving magnet (MM), low, medium and high output moving coil (MC) |
| Input Sensitivity | 0.2mV (low MC) / 1.0mV (medium) / 2.0mV (high MC/MM) |
| Gain | 62, 64 or 67dB (low MC) · 52dB (medium) · 40, 42 or 46dB (high MC/MM) |
| Resistive Loading | 30–470Ω (low MC, jumper-selectable) · 470Ω (medium) · 47kΩ (high MC/MM) |
| Capacitive Loading | 180, 280 or 380pF (MM only, jumper-selectable) |
| Custom Loading | User-fittable custom R/C values supported |
| Factory Default Setting | Low output MC, 100Ω loading, 64dB gain |
| Phono Enhancer (PE) Mode | Patented current-drive mode for low-output MC, set to cartridge coil resistance |
| Subsonic Filter | Steep roll-off filter for rumble and warped records |
| Power Input | USB-C PD 3.0 or higher |
| Power Adaptor | USB-C PD adaptor supplied |
| Power Consumption | ~2W typical |
| Grounding | Dedicated ground terminal |
| Finish | Dark grey |
Downloads
Frequently Asked Questions
Phono Enhancer (PE) mode is a patented Dynavector circuit that allows the P75 Mk4.1 to function as a current amplifier rather than a traditional voltage amplifier. It adds openness, dynamic drive and a more cohesive musical flow with low-output moving-coil cartridges. PE mode works brilliantly with Dynavector’s own low-output MC designs, but can also work well with many other low-output MC cartridges. It’s entirely optional — the Mk4.1 performs excellently in standard mode — so it’s worth experimenting with both to see which suits your particular cartridge.
Externally they’re similar, but the Mk4.1 has been significantly reworked inside. The headline change is the new USB Power Delivery power architecture — a world first for a high-end phono stage — which results in lower noise and cleaner operation. There’s also an improved circuit layout, better RIAA accuracy, and a revised subsonic filter. The sonic result is a clear step forward in clarity and refinement.







