D.W. Fearn VT-1 Single Channel Vacuum Tube Microphone Preamp

  • Item # 1005074
  • Model # VT-1
Top Rated

Microphone preamplifiers from D.W. Fearn's VT-series will change the way you think of audio quality. The transparency is astounding. Vocals sound smoother, warmer, more intimate, with a compelling pre… Learn More

$3,100.00

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Handmade, all-tube preamp with point-to-point wiring and mil-spec components.

Features

  • All vacuum-tube design
  • Clean and airy high end
  • Fat low end
  • Unsurpassed warmth, transparency, and musicality
  • Lo-Z input position for superior performance with transformerless mics
  • Phase (polarity) reverse switch
  • +48 volt phantom power (completely disconnected when off)
  • Custom-design Jensen input and output transformers for superb sonics
  • 20 dB input pad (switchable)
  • True VU meters (amplifier isolated)
  • All point-to-point audio wiring
  • High-performance, fully-regulated power supplies with exceptional reserve
  • Gold input and output XLR connectors
  • Polypropylene and polystyrene coupling capacitors
  • All audio switching through gold-contact, sealed precision relays
  • International operation on 100, 120, or 220 VAC, 50/60 Hz
  • CE certified, RoHS-compliant
  • +4 dBm output - conservatively rated precision components and rugged construction for stability and long life
  • Line-level processing with the LP-1 Line Pad (see #180295) - direct recording of electric instruments with the D.W. Fearn VT-3 Vacuum Tube DI (see #180273) or PDB Passive Direct Box (see 180294).

Technical Specification

D.W. Fearn VT-1 Single Channel Vacuum Tube Microphone Preamp

  • Input: 150 ohms
  • Input Load Impedance: 1.5k ohms
  • Minimum Input Level: -65 dBm nominal
  • Maximum Input Level @ 20 cps: -30 dBm without pad, -5 dBm with 20 dB pad
  • Gain: 53 dB
  • Frequency Response: ±0.25 dB 20 cps to 20 kc; -3 dB @ 0.5 cps and 55 kc
  • THD+Noise: less than 0.25% 20 cps to 20 kc
  • Intermodulation Distortion: SMPTE less than 0.02%
  • Signal to Noise Ratio: 74 dB minimum
  • Equivalent Input Noise: -124 dBm maximum
  • Output: low-Z, transformer-balanced
  • Maximum Output Level: +22 dBm, 20k ohm load
  • Power Requirements: 100, 120, or 220 VAC, 50/60 Hz
  • Dimensions: 19" (48.26cm) W, 5.25" (13.34cm) H, 14" (35.56cm) D
  • Weight: 18 lbs (8.16kg)
  • NOTE: Frequency is specified in cycles per second (cps) or kilocycles per second (kc). These units correspond to Hz and kHz respectively. Measurements made with -50 dBm input and 50 dB gain in a 22 cps to 22 kc bandwidth. Specifications and price subject to change without notice.