the t.bone RB 100 FetAmp Bundle

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the t.bone RB 100 FetAmp Bundle

the t.bone

RB 100 FetAmp Bundle

4.7 Expert Rating

Product Info

Article Number: 500313
Model: RB 100 FetAmp Bundle
Price: $137.50

* Prices may vary. Check retailer for current pricing and availability.

This t.bone bundle is a surprisingly capable setup for acoustic guitar, especially for those seeking a vintage-inspired, warmer tone. The ribbon mic pairs beautifully with the FetAmp, delivering a clean, boosted signal without excessive noise. It's a great entry point for home recordists or gigging musicians wanting a professional-sounding acoustic mic without a premium price tag.

Product Description

the t.bone RB 100 FetAmp Bundle

*Bundle offer comprising*, the t.bone RB 100

  • *Ribbon Microphone*
  • Characteristics: Figure-8
  • Frequency range: 30 Hz - 15 kHz
  • Sensitivity: -54 dB
  • SPL max. : 148 dB
  • Impedance: = / <600 Ohm
  • 5/8" thread (optional adapter 3/8" with item no. #497215#) (not included)
  • Incl. shock mount (elastic holder)
  • Dimensions: D: 37 mm
  • L: 175 mm
  • Weight: 496 g
  • WARNING: Switch off phantom power!
  • 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
  • • Ribbon mic delivers warm, natural acoustic guitar tone.
  • • FetAmp provides clean gain, extending dynamic range.
  • • Shock mount minimizes handling noise and vibrations.
  • • Bundle offers excellent value for a ribbon/preamp combo.
CONS
  • • Ribbon mics are inherently delicate; requires careful handling.
  • • Low sensitivity necessitates a clean, strong preamp signal.
  • • Figure-8 pattern limits versatility for certain recording situations.

Product Video

Key Features

Mic Type Ribbon Microphone
Polar Pattern Figure-8
Frequency Range 30 Hz - 15 kHz
Sensitivity -54 dB
Mounting 5/8in thread (3/8in adapter optional)
Weight 496 g

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Frequently Asked Questions

The FetAmp’s 20k Ohm input impedance is a good match for the RB 100’s low impedance, preventing signal loss and maintaining a full, rich tone.
While the 148 dB SPL handling can handle moderate volume, ribbon mics generally aren’t ideal for extremely loud sources without careful gain staging and potential padding.
Expect a darker, more mellow tone with a pronounced midrange, which is characteristic of ribbon microphones and complements fingerstyle or softer strumming styles well.

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