Original VF14 Vacuum Tube for use in the Telefunken or Neumann U47 or U48 microphones.
Serial #017. Manufactured in October 1957 in TFK Berlin plant.
Tested with Funke W20 tube tester, Ia=13,5 mA, new is 12 mA.
Tested also in vintage Neumann U47 microphone in February 2024 during 24 hours. No hiss, no hum, no microphonic.
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.