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TELEFUNKEN

VF14K Vacuum Tube

Tubes

Vacuum tube replacement, drop-in retrofit, classic tube microphone compatibility, original socket pin orientation

$1.21 CAD
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Description

This replacement vacuum tube provides owners and technicians of classic U47 and U48 microphones with a practical alternative to scarce original German-made tubes. Its carefully selected glass tube delivers gain, distortion characteristics, and sonic performance closely matched to the original component.

Designed as a direct plug-and-play retrofit, the tube fits the original socket without changes to the microphone circuit, cable, or power supply. Its hand-shaped construction and matching pin orientation support straightforward installation while preserving the microphone’s familiar sound and operating characteristics.

Features

Direct Drop-In Fit
Installs in the original tube socket without microphone modifications.

Closely Matched Sound
Provides sonic characteristics similar to the original tube.

Simple Retrofit
Requires no changes to the circuit, cable, or power supply.

Matching Pin Orientation
Uses the same pin arrangement as the original component.

Hand-Shaped Construction
Carefully formed to fit within an enclosure matching the original tube format.

Specifications

General Specifications
Device Type: Microphone vacuum tube replacement
Application: Classic tube condenser microphones
Installation Type: Direct drop-in retrofit

Compatibility
Microphone Compatibility: U47 and U48 microphones
Socket Compatibility: Original VF14M tube socket
Pin Orientation: Identical to original VF14 tube

Installation Requirements
Circuit Modification: None
Cable Modification: None
Power Supply Modification: None

Tube Construction
Tube Type: Glass vacuum tube
Physical Preparation: Hand-shaped for enclosure fit
Nuvistor Design: No
EF86 Design: No

Performance
Gain Characteristics: Nearly identical to original VF14 tube
Distortion Characteristics: Nearly identical to original VF14 tube

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