Thomann FetAmp
Professional music gear - detailed information and where to buy
The Thomann FetAmp is a seriously impressive little preamp for the money. It's perfect for anyone needing a clean boost for dynamic or ribbon mics, especially in budget-conscious home studios or live tracking situations. The warm, musical character of the JFet preamp is a pleasant surprise at this price point.
Product Description
- Thomann FetAmp
- Microphone Preamplifier
- Extremely low-noise Class A JFet amplifier
- For dynamic and ribbon microphones
- 2 Matched JFet transistor pairs
- Input: Balanced 3-pin XLR female
- Output: Balanced 3-pol. XLR male
- Input impedance: 20 kOhm
- Gain: 28 dB (@ 3 kOhm source impedance)
- Frequency response: 10 - 50
- 000 Hz (+/- 1 dB)
- Requires phantom power: 24 - 48 V.
- Dimensions (L x W): 77 x 22 mm
- Weight: 35 g
- Developed and produced in Germany
*Note:* Does not allow phantom power to pass through to the microphone
PROS
- • Excellent noise floor for its price point, truly remarkable.
- • German engineering delivers a surprisingly robust build quality.
- • JFet design provides a warm, slightly colored sound.
- • Compact size makes it ideal for mobile recording setups.
CONS
- • No phantom power passthrough severely limits microphone choices.
- • 28dB gain may be insufficient for very low-output ribbon mics.
- • Limited to single channel operation; no stereo capability.
Product Video
Key Features
Channels
1
Preamp Type
Class A JFet
Gain Range
28 dB
Phantom Power
None (does not pass through)
Connections
XLR female input, XLR male output
Weight
35 g
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Frequently Asked Questions
It's surprisingly close; the color is more noticeable than some cleaner, more transparent preamps, but still very usable and pleasant.
No, it doesn't pass phantom power, so it's strictly for mics that don't require it, like dynamics or ribbons.
While generally suitable, very low impedance dynamic mics might experience a slight attenuation; it's best suited for mics with typical impedances.
