UFO

UFO featuring the UFO Tube Pack
Class A Discrete Tube Microphone Preamplifier
with Four Swappable Electro-Harmonix Tubes

  • Classic tube warmth
  • Vintage-style VU meter & illuminated tube
  • Striking blend of vintage + contemporary design
  • Low noise
  • High specification internal components & design
  • Easily replaceable tube
  • Separate power supply unit with switchable voltages 115V/230V
  • Balanced XLR input and output
  • Unbalanced 1/4″ (6.35mm) jack instrument input and output
  • +48V phantom power
  • Polarity reverse switch
  • -20 dB pad switch
  • Mic/Instr. switch
  • Adaptable to most microphones
  • Less need for corrective EQ/processing
  • High quality Electro-Harmonix 6922EH electron tube (pre-installed)
  • Tube Pack featuring
    • One (1) Electro-Harmonix 12AT7EH electron tube
    • One (1) Sovtek 12AX7LPS electron tube
    • One (1) Sovtek 12AX7WA electron tube
  • External transformers reduce potential interference
  • Impressive 68 dB maximum gain output
  • Superb dynamic range (131 dB)
  • Frequency response range of 10Hz to 100KHz

NameSpec
Gain0db - MAX: 68dB
Frequency Response10Hz - 100kHz
THD < 0.005%
Equivalent Input Noise-130dB (61dB gain, 10Hz - 20kHz, 50Ω)
Dynamic Range 131dB
Phase Response<5° (10Hz - 20kHz, + 22dBu output)
Output Level+35 dBu(20Hz - 40Hz, 10kΩ)
Mic Input Impedence5kΩ 2x2.5Ω
Mic Output Impedence50Ω 2x25Ω
Phantom Power+48vDC
Power requirements115/230 VAC, 50/60Hz


UFO

UFO featuring the UFO Tube Pack
Class A Discrete Tube Microphone Preamplifier
with Four Swappable Electro-Harmonix Tubes

  • Classic tube warmth
  • Vintage-style VU meter & illuminated tube
  • Striking blend of vintage + contemporary design
  • Low noise
  • High specification internal components & design
  • Easily replaceable tube
  • Separate power supply unit with switchable voltages 115V/230V
  • Balanced XLR input and output
  • Unbalanced 1/4″ (6.35mm) jack instrument input and output
  • +48V phantom power
  • Polarity reverse switch
  • -20 dB pad switch
  • Mic/Instr. switch
  • Adaptable to most microphones
  • Less need for corrective EQ/processing
  • High quality Electro-Harmonix 6922EH electron tube (pre-installed)
  • Tube Pack featuring
    • One (1) Electro-Harmonix 12AT7EH electron tube
    • One (1) Sovtek 12AX7LPS electron tube
    • One (1) Sovtek 12AX7WA electron tube
  • External transformers reduce potential interference
  • Impressive 68 dB maximum gain output
  • Superb dynamic range (131 dB)
  • Frequency response range of 10Hz to 100KHz

NameSpec
Gain0db - MAX: 68dB
Frequency Response10Hz - 100kHz
THD < 0.005%
Equivalent Input Noise-130dB (61dB gain, 10Hz - 20kHz, 50Ω)
Dynamic Range 131dB
Phase Response<5° (10Hz - 20kHz, + 22dBu output)
Output Level+35 dBu(20Hz - 40Hz, 10kΩ)
Mic Input Impedence5kΩ 2x2.5Ω
Mic Output Impedence50Ω 2x25Ω
Phantom Power+48vDC
Power requirements115/230 VAC, 50/60Hz


UFO

The UFO Class A Discrete Tube Microphone Preamplifier blends vintage analog character with modern design and performance. Its sleek, minimalist casing is inspired intergalactic design, complete with an analog-style VU meter and a glowing electron tube at its core. But what truly sets the UFO apart is its tonal adaptability.

Designed for creators who want more than a single sound, the UFO features a swappable tube architecture. Whether you’re chasing clean transparency, warm saturation, or vintage midrange richness, the UFO Tube Pack makes it easy to find your perfect match. Each Electro-Harmonix tube in the pack brings a unique sonic signature to the table—just pop off the spring-mounted transparent cover and swap tubes in seconds to shape your tone.

Delivering up to 68dB of gain, a dynamic range of 131dB, and a frequency response from 10Hz to 100KHz, the UFO is ready for any microphone or instrument in your studio. With its high-end discrete circuitry, zero ICs, and ultra-low noise performance, this preamp is built for sonic precision and creative exploration.

Expanded Tonal Palette with the UFO Tube Pack

The UFO Tube Pack includes four premium electron tubes, giving you a versatile toolkit to shape your tone and match your preamp to the needs of any session. Whether you’re tracking vocals, guitar, bass, or acoustic instruments, each tube gives your signal a distinct voice:

CLEAN
Tube: Electro-Harmonix 6922EH
Character: Neutral, transparent sound with extended highs
Ideal For: Pristine vocals and acoustic recordings

MODERN
Tube: Electro-Harmonix 12AT7EH
Character: Articulate highs with tight low-end
Ideal For: Clean guitar, bass, and ribbon mics

VINTAGE
Tube: Sovtek 12AX7LPS
Character: Warm midrange with deep saturation
Ideal For: Vocals and harmonic coloration

WARM
Tube: Sovtek 12AX7WA
Character: Smooth warmth with vintage-style coloration
Ideal For: Consistent, full-bodied tone across sources

Push the gain for smooth harmonic distortion with the 6922EH, or explore rich saturation with the 12AX7LPS. Swap them out to find the right tone for your microphone, your instrument, your vocal—or your song. The UFO’s tool-free tube-swapping system makes tonal experimentation fast and effortless.


UFO

The UFO Class A Discrete Tube Microphone Preamplifier blends vintage analog character with modern design and performance. Its sleek, minimalist casing is inspired intergalactic design, complete with an analog-style VU meter and a glowing electron tube at its core. But what truly sets the UFO apart is its tonal adaptability.

Designed for creators who want more than a single sound, the UFO features a swappable tube architecture. Whether you’re chasing clean transparency, warm saturation, or vintage midrange richness, the UFO Tube Pack makes it easy to find your perfect match. Each Electro-Harmonix tube in the pack brings a unique sonic signature to the table—just pop off the spring-mounted transparent cover and swap tubes in seconds to shape your tone.

Delivering up to 68dB of gain, a dynamic range of 131dB, and a frequency response from 10Hz to 100KHz, the UFO is ready for any microphone or instrument in your studio. With its high-end discrete circuitry, zero ICs, and ultra-low noise performance, this preamp is built for sonic precision and creative exploration.

Expanded Tonal Palette with the UFO Tube Pack

The UFO Tube Pack includes four premium electron tubes, giving you a versatile toolkit to shape your tone and match your preamp to the needs of any session. Whether you’re tracking vocals, guitar, bass, or acoustic instruments, each tube gives your signal a distinct voice:

CLEAN
Tube: Electro-Harmonix 6922EH
Character: Neutral, transparent sound with extended highs
Ideal For: Pristine vocals and acoustic recordings

MODERN
Tube: Electro-Harmonix 12AT7EH
Character: Articulate highs with tight low-end
Ideal For: Clean guitar, bass, and ribbon mics

VINTAGE
Tube: Sovtek 12AX7LPS
Character: Warm midrange with deep saturation
Ideal For: Vocals and harmonic coloration

WARM
Tube: Sovtek 12AX7WA
Character: Smooth warmth with vintage-style coloration
Ideal For: Consistent, full-bodied tone across sources

Push the gain for smooth harmonic distortion with the 6922EH, or explore rich saturation with the 12AX7LPS. Swap them out to find the right tone for your microphone, your instrument, your vocal—or your song. The UFO’s tool-free tube-swapping system makes tonal experimentation fast and effortless.


INTERGALACTIC DESIGN,

EARTHY SOUND

Housed in a minimalist, space-age casing, the UFO’s warm tube glow provides a striking visual while adding
depth and richness to any sound. This balance of classic aesthetics and cutting-edge engineering makes the UFO
a standout choice for capturing timeless tone in a modern setting.


INTERGALACTIC DESIGN,

EARTHY SOUND

Housed in a minimalist, space-age casing, the UFO’s warm tube glow provides a striking visual while adding depth and richness to any sound. This balance of classic aesthetics and cutting-edge engineering makes the UFO a standout choice for capturing timeless tone in a modern setting.


ADVANCED ENGINEERING FOR

UNMATCHED CLARITY AND DURABILITY

Inside the UFO preamp, high-quality, separated components ensure lightning-fast speeds from
input to output, while its balanced transistor step amplification minimizes crosstalk noise, preserving
pristine signal integrity. The UFO’s transparent cover, supported by durable metal springs,
is easily detachable for convenient tube replacement, offering long-term adaptability and reliability.
With up to 68dB of gain, a dynamic range of 131dB, and an impressive frequency response from
10Hz to 100KHz, the UFO is equipped to handle virtually any sound source with exceptional
precision and flexibility.

 


ADVANCED ENGINEERING FOR

UNMATCHED CLARITY AND DURABILITY

Inside the UFO preamp, high-quality, separated components ensure lightning-fast speeds from input to output, while its balanced transistor step amplification minimizes crosstalk noise, preserving pristine signal integrity. The UFO’s transparent cover, supported by durable metal springs, is easily detachable for convenient tube replacement, offering long-term adaptability and reliability. With up to 68dB of gain, a dynamic range of 131dB, and an impressive frequency response from 10Hz to 100KHz, the UFO is equipped to handle virtually any sound source with exceptional precision and flexibility.


MIC IN

separated components ensure lightning-fast
speeds from input to output


TRANSISTOR

while its balanced transistor step amplification
minimizes crosstalk noise, preserving pristine
signal integrity


GAIN

offering long-term adaptability and
reliability. With up to 68dB of gain

MIC IN

separated components ensure lightning-fast
speeds from input to output

TRANSISTOR

while its balanced transistor step amplification
minimizes crosstalk noise, preserving pristine
signal integrity

GAIN

offering long-term adaptability and
reliability. With up to 68dB of gain


SIMPLICITY MEETS

SONIC PURITY


With no ICs and only the highest-quality discrete components

from input to output, the UFO achieves ultra-low noise (-130 dB
EIN @ 50 ohms) and remarkable detail (THD 0.005%). It features
audiophile-grade, ultra-low-noise metal film resistors and
polystyrene capacitors, ensuring exceptional clarity and accuracy.


SIMPLICITY MEETS SONIC PURITY

With no ICs and only the highest-quality discrete components from input to output, the UFO achieves ultra-low noise (-130 dB EIN @ 50 ohms) and remarkable detail (THD 0.005%). It features audiophile-grade, ultra-low-noise metal film resistors and polystyrene capacitors, ensuring exceptional clarity and accuracy.

 

 

WARMTH, COLOR, AND CONTROL

Whether you’re after subtle tube warmth or bold harmonic saturation, the UFO adapts to your imagination. The UFO
Tube Pack gives you creative control over the tonal character of your recordings, making it easy to dial in the perfect
vibe for vocals, guitars, synths, and more.

 

 

WARMTH, COLOR, AND CONTROL

Whether you’re after subtle tube warmth or bold harmonic saturation, the UFO adapts to your imagination. The UFO Tube Pack gives you creative control over the tonal character of your recordings, making it easy to dial in the perfect vibe for vocals, guitars, synths, and more.

 

WHAT’S IN THE BOX

  • UFO Class A Discrete Tube

    Microphone Preamplifier

  • Cable with 5 pin mini-XLR connector(attached to power supply unit)

  • Power lead (for the power supply unit)

  • Power supply unit

  • One (1) Electro-Harmonix 6922EH 

    electron tube (pre-installed)

  • UFO Tube Pack featuring:

    One (1) Electro-Harmonix 12AT7EH electron tube

    One (1) Sovtek 12AX7LPS electron tube

    One (1) Sovtek 12AX7WA electron tube

  • Quickstart Guide



WHAT’S IN THE BOX

  • UFO Class A Discrete Tube Microphone Preamplifier

  • One (1) Electro-Harmonix 6922EH electron tube
    (pre-installed)

  • UFO Tube Pack featuring:

    One (1) Electro-Harmonix 12AT7EH electron tube

    One (1) Sovtek 12AX7LPS electron tube

    One (1) Sovtek 12AX7WA electron tube

  • Cable with 5 pin mini-XLR connector
    (attached to power supply unit)

  • Power lead (for the power supply unit) 

  • Power supply unit

  • Quickstart Guide

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