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Integrated amplifiers — MasterSound Box
Description, images, technical data and specifications
MasterSound Box
Image source — © MasterSound
The Box is a distinctive tube integrated amplifier from MasterSound, a well-established Italian manufacturer known for characterful tube electronics engineering, built with comprehensive three-plus-phono input connectivity. The Box brings MasterSound's considered engineering to a substantial tube integrated chassis.
Key specs that matter
Three single-ended inputs plus a dedicated phono input are provided. Input impedance is a substantial 50,000 ohms single-ended. Frequency response spans 10Hz to 36,000Hz within plus-or-minus 3dB. At 440 x 430 x 190mm and 24kg, the Box represents a substantial commitment reflecting MasterSound's considered Italian tube-amplifier engineering standards.
Sound and use context
Expect the warm, richly textured character tube amplification is broadly celebrated for, with the built-in phono input covering vinyl directly, consistent with MasterSound's broader characterful engineering philosophy.
Pairing
The built-in phono input covers a turntable directly without needing a separate outboard phono stage.
Alternatives
MasterSound's own Compact 300B offers a distinctive single-ended-triode alternative within the same broader integrated amplifier catalogue.
Key specs that matter
Three single-ended inputs plus a dedicated phono input are provided. Input impedance is a substantial 50,000 ohms single-ended. Frequency response spans 10Hz to 36,000Hz within plus-or-minus 3dB. At 440 x 430 x 190mm and 24kg, the Box represents a substantial commitment reflecting MasterSound's considered Italian tube-amplifier engineering standards.
Sound and use context
Expect the warm, richly textured character tube amplification is broadly celebrated for, with the built-in phono input covering vinyl directly, consistent with MasterSound's broader characterful engineering philosophy.
Pairing
The built-in phono input covers a turntable directly without needing a separate outboard phono stage.
Alternatives
MasterSound's own Compact 300B offers a distinctive single-ended-triode alternative within the same broader integrated amplifier catalogue.
Specifications
Model name
Box
Type
Integrated Amplifier
Analog inputs (balanced)
N/A
Analog inputs (single-ended)
3 + 1 (Phono)
Input sensitivity (mV)
N/A
Input impedance (balanced) (Ω)
N/A
Input impedance (single-ended) (Ω)
50 000
Output impedance (balanced) (Ω)
N/A
Output impedance (single-ended) (Ω)
N/A
D/A conversion
N/A
Phono MM/MC current-sensing input impedance (Ω)
N/A
Output power (8Ω) (W)
N/A
Output power (4Ω) (W)
N/A
Gain (dBu)
N/A
Frequency response low +/- 3dB (Hz)
10
Frequency response high +/- 3dB (Hz)
36 000
Signal to Noise Ratio (dB)
N/A
Total Harmonic Distortion + Noise (%)
N/A
Damping factor
N/A
Dimensions (mm)
440 x 430 x 190
Weight (kg)
24
Official link
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