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Summary of Contents for Matrix Audio M-Stage HPA-3B
- Page 1 HPA-3B Manual www.matrix-digi.com...
- Page 2 Over view ● 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, supports both single-ended output and differential output, use the adaptor plug to be worked in a single-ended input mode, maximizing the performance of the headphones.
- Page 3 The Front Panel Balance Headphone Jack Single-ended Headphone Jack Working LED Indicator Volume Knob...
- Page 4 The Rear Panel Gain Switch AC Power Input Left Channel XLR Analog Input Right Channel XLR Analog Input Power Switch...
- Page 5 AC Power ● HPA-3B compatible with AC 100-120V and AC 200-240V two voltage environments. Please set the voltage switch on the right position according to your local voltage environment before using. ● The voltage switch is on the left side, the two sections of the voltage switch are 115V and 230V, the following is the voltage range: 115V position is fit for AC100V-120V 50/60Hz 230V position is fit for AC220V-240V 50/60Hz...
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Page 6: Settings & Usage
Settings & Usage ● Power On/Off Connected the power plug to the HPA-3B, turn on the power switch, the working LED indicator will light up about one second, then the HPA-3B will enter the working status. ● Input Channel You can use standard XLR cable connect with the HPA-3B and also can use the accessor y adaptor plug connect with the HPA-3B via RCA cable . - Page 7 Settings & Usage The definition of 4-pin XLR headphone interface： The 1/4" headphone jack is a stereo interface, please do not connect the mono plug into it, other wise it will have the risk to damage your device. HPA-3B can eliminate the power on/off impact noise with its own protection circuit, if a failure caused the amplifier output a higher voltage that the working LED indicator will be off, in this case, please disconnect the headphone plug quickly from the HPA-3B to protect your headphone.
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Page 8: Technical Specification
Technical Specification ● Balance Headphone Output SNR: ＞-114dB A-weighting THD+N: <0.0003% at 300ohms 135mW 1kHz A-weighting Frequency Response: 20Hz-20kHz(+0dB/-0.05dB) Output Impedance: 0.6ohms Output Power : 3800mW at 33ohms at THD+N=0.01% 1500mW at 300ohms at THD+N=0.01% 800mW at 600ohms at THD+N=0.01% ●... - Page 9 Technical Specification ● Gain Control 5=5dB 10=10dB 20=20dB ● Power Specifications Power Voltage: 230V position is fit for AC220V-240V 50/60Hz 115V position is fit for AC100V-120V 50/60Hz Power Consumption: <25W Fuse: AC250V/500mA 5x20mm ● Other Specifications Dimension: 285mm×142mm×49mm （L×W×H, including the protruding part） Weight: 1.7kg NOTE: For the improvement purpose, specifications subject to changes...
- Page 10 Customer Ser vice From the purchase date, we will provide you one-year-limited warranty， warranty does not cover accessories. Any fault caused by quality problems during the warranty period, we will provide free maintenance. The free maintenance do not cover by incorrect using, negligence, accidental damage and unauthorized modifications or replace components.
- Page 11 Ver.201506v1.3 Xi'an Matrix Electronic Technology Co., Ltd. A809, No.22 Fengcheng 2nd, Xi'an Economic and Technological Development Zone, Shaanxi, China support@matrix-digi.com info@matrix-digi.com +86-29-65693537...