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The M-STAGE HPA-3B is a new member of the M-Stage series headphone amplifier, who is the first one full-balanced design of the headphone amplifier, both supports single-ended output and differential output, maximizing the performance of the headphones.
The M-STAGE HPA-3B full-band of THD + N less than 0.0003%, SNR up to -114dB, bandwidth not less than 140k at -3dB gain, 0.4Ω, three gain level options to fit for the different impedance and sensitivity headphone, all of these excellence performance improvements to be born the brand new HPA-3B!
The M-STAGE HPA-3B is both a balance headphone amplifier and a single-ended headphone amplifier, can input the single-ended signal via accessary XLR converter.
The M-STAGE HPA-3B excellent structural design to quickly dissipate the heat of power transistors via the shell, full symmetric circuit layout, fully differential signal path amplification, driver stage is the precision constant current source, the precision quadruple potentiometer volume control, so that the HPA-3B has better dynamic range and details than a single-ended headphone amplifier.

The M-STAGE HPA-3B alps customizes model of volume potentiometer, Wima and Nichicon audio grade capacitors, Noratel toroidal transformer, precision non-inductive resistance, each carefully selected components make HPA-3B not only presents the perfect sound, but also a more stable and reliable.

• Gain Adjustment: 5dB/10dB/20dB

Balanced Headphone Output
• Frequency Response: 20Hz - 20kHz (+0dB/-0.05dB)
• SNR: -114dB A-Weighting
• Distortion: 0.0003% at 300Ω 135mW 1kHz A-Weighting
• Output Power: 3800mW/33Ω, 1500mW/300Ω, 800mW/600Ω at THD+N=0.01%
• Output Impedance: 0.6Ω

Unbalanced Headphone Output
• Frequency Response: 20Hz - 20kHz (+0.03dB/-0.1dB)
• SNR: -108dB A-Weighting
• Distortion: 0.0004% at 300Ω 325mW 1kHz A-Weighting
• Output Power: 2100mW/33Ω, 430mW/300Ω, 220mW/600Ω at THD+N=0.01%
• Output Impedance: 0.4Ω

AC 115/230 volts 50/60Hz - 25 watts
Fuse Rating: 5×20mm 500mA

Weight: 3.75lb / 1.7kg
Dimensions: 11.2" x 5.6" x 1.9" / 285mm × 142mm × 49mm
Lieferumfang/Scope of delivery
2x XLR/Cinch(RCA) Adapter
Netzkabe/Power Cable
OVP/Original packaging


549,50 € 2

472,50 €

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