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General| Input Impedance | 50 kOhms |
|---|---|
| Output Power | 6 Watts per channel into 16 Ohms |
| SNR | >135 dB, A-weighted |
| Type | Headphone Amplifier |
| Inputs | 2 x Stereo RCA, 2 x Stereo XLR |
| Outputs | 1/4" TRS, XLR balanced |
| Gain | 0 dB |
| Crosstalk | < -130 dB at 1 kHz |
| THD+N | <0.00006% (20 Hz to 20 kHz, 2 Vrms, 200 kHz BW) |
Details correct fuse replacement and safe power cord usage for fire hazard protection.
Specifies AC input voltage range, warns against modifications, and advises on repairs.
Overview of front panel controls, rear panel connectivity, and core THX AAA™ technology.
Explains the THX AAA™ technology for reduced distortion and noise.
Highlights the 256-step relay-controlled gain, input selection, and muting.
Guide to main screen navigation, input selection, and essential controls like volume and balance.
Explains the function of the SETTINGS, BALANCE, and -20dB buttons.
Instructions for connecting external audio sources and utilizing 12V trigger for system synchronization.
Specific guidance for connecting Benchmark AHB2 Power Amp and Benchmark DAC for optimal performance.
Configuration options for screen display, input management, power modes, and remote control.
High-level summary of the HPA4's capabilities, THX AAA™ technology, and relay control system.
Details on headphone output power, current, voltage, and line output performance metrics.
Comprehensive listing of electrical and physical specifications for all HPA4 outputs and inputs.
Details on AC power requirements, physical dimensions, and unit weight.
Statements regarding FCC, RoHS, and CE compliance, including relevant directives and standards.
Details on the 1-year warranty, extended warranty options, and procedures for warranty repairs.
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