Knif Audio Aski Reference Phono Preamplifier

Knif Aski is a standalone phono preamplifier designed for both moving magnet (MM) and moving coil (MC) cartridges, offering exceptional sonic performance and adaptability for demanding vinyl playback systems.

At the core of both input modes is a hybrid op-amp topology, featuring a discrete JFET cascade front end followed by the high-performance OPA828 IC. For MC inputs, four parallel LSK389 JFETs are employed to achieve ultra-low noise performance. The JFET input also provides exceptionally low non-linearity in input capacitance: a critical factor for accurate MM cartridge reproduction.

Key features include:
• Precision RIAA equalization
• Multiple cartridge loading options for MM and MC
• Switchable 20 Hz high-pass filter
• Wide range of gain adjustments
• MM / MC inputs
• Wide range of cartridge loading options
• Selectable high-pass filter
• Hybrid front end topology with discrete cascode JFET input devices
• External power supply

Power can be supplied via an external PSU or directly from the auxiliary output of the Knif Mastering Controller’s power supply.

With extreme accuracy, massive headroom, inaudible distortion, and exceptionally low self-noise, the Knif Aski sets a new standard for reference-grade phono amplification.

US and EU parcels ship via UPS, ETA 1-7 working days from pickup day zero. That also applies to most locations worldwide.

All shipments are fully insured.

Bigger shipments requiring pallets or custom made crates ship to US, CA, JP, CN, AU and other outside of EU locations via DHL Air Freight, ETA is normally approx. 7-14 working days from pickup day zero.

Big shipments inside EU ship via different freight companies, recently mostly via ACE Logistics. Freight forwarders can use different courier companies for deliveries to final destinations.

Palletising and crating time can vary depending on the size of the shipment and packaging queue. We pack all our shipments with great care.

You are most welcome to pick your order up yourself from our Retrosonic Pro Audio showroom, studio and warehouse in Tallinn, Estonia.

We ship worldwide – contact us for a personal shipping quote or any other questions.

VAT (Value Added Tax) can be deducted if you have a company with a valid EU VAT number or if you're based outside of the EU. Non-EU buyers pay all and any import tax and duty as regulated by their local customs.