MasterSound PF100 litz edition
Image source — © MasterSound
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Model name
PF100 litz edition
Input sensitivity (mV)
N/A
Input impedance (balanced) (Ω)
N/A
Input impedance (single-ended) (Ω)
N/A
Output impedance (balanced) (Ω)
N/A
Output impedance (single-ended) (Ω)
N/A
Max current (A)
N/A
Output power (8Ω) (W)
107
Output power (4Ω) (W)
107
Gain (dBu)
N/A
Frequency response low +/- 3dB (Hz)
12
Frequency response high +/- 3dB (Hz)
90 000
Signal to Noise Ratio (dB)
N/A
Total Harmonic Distortion + Noise (0% global feedback) (%)
N/A
Total Harmonic Distortion + Noise (100% global feedback) (%)
N/A
Max power consumption (W)
N/A
Damping factor
N/A
Dimensions (mm)
540 x 470 x 270
Weight (kg)
50
Official link
The Mastersound Booster is a Class A tube mono-amplifier with Automatic Bias, producing 2 × 80 watts in pentode mode or 2 × 40 watts in triode mode, equipped with 2 × 6SN7 GT and 2 × KT150 lamps, as well as XLR and RCA inputs for connecting to an audio system.
Due to the complete lack of feedback, this monoblock features an unusually wide, deep and balanced sound stage. Achieving the highest sound quality is also facilitated by the most meticulous selection of individual components: according to the criteria of the highest quality, reliability and availability over time.
Like all amplifiers from the Italian company MastersounD, the mono power amplifier operates in pure Class A (Parallel Single Ended in classe “A"). The 300B audiophile lamps work in the output stage, and the output transformers for them are designed and manufactured manually in our own factory.