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General| Type | Headphone Amplifier |
|---|---|
| Input Impedance | 10 kOhms |
| Total Harmonic Distortion (THD) | < 0.1% |
| THD+N | < 0.1% |
| Signal-to-Noise Ratio (SNR) | > 100 dB |
| Signal-to-Noise Ratio (A-weighted) | > 129 dB |
| Output Impedance | 0.1 Ohms |
| Output Impedance (precise) | 0.1 Ohms |
| Weight | 1.5 kg |
| Inputs | 2 x RCA |
| Outputs | 1 x 4-pin XLR |
| Outputs (alternative) | 1/4" jack, 4-pin XLR |
| IMD | <0.001% |
| Channel Separation | >80dB |
| Gain | 6 dB / 12 dB |
| Gain Settings | +6 / +12 dB |
| Power Consumption | 15W |
| Weight (alternative) | 3.31 lbs |
Information about VIOLECTRIC's origin, development, and manufacturing by Lake People electronic GmbH.
Details device availability through suppliers and partners, plus warranty and technical support.
Covers hazards related to water, power sources, grounding, and power cord management.
Discusses mains fuse, power supply settings, repair policy, and electromagnetic compatibility.
Explains the function of the internal ground-lift jumper for managing frequency interconnections.
Lists the key features and specifications of the Violectric HPA V222 headphone amplifier.
Details the robust aluminum construction of the HPA V222 case and front panel.
Covers protective earth connection, mains power input, and voltage selection for the unit.
Information on the soldered mains fuse, its rating, and replacement procedure.
Explains the unit's power switch operation and how to activate analogue inputs.
Describes the amplifier stages and the function of the 41-step volume attenuator.
Explains the purpose of PRE-GAIN DIP switches for matching source and headphone levels.
Guides users on setting PRE-GAIN for optimal listening volume positioning.
Details the DIP switch settings for various PRE-GAIN gain levels.
Details the 4-pin XLR and 4.4 mm Pentaconn connectors for balanced headphone output.
Describes the 6.3 mm (1/4") TRS jack socket for unbalanced headphone output.
Outlines circuits protecting headphones during power transitions and from DC voltages.
Explains headphone impedance and sensitivity, using examples like AKG K1000 and Sennheiser HD25.
Discusses op-amps, PRE-GAIN benefits, frequency limits, and volume attenuators.
Explains the importance of low output impedance for damping factor and headphone interaction.
Discusses how supply voltage determines power for driving headphones at high listening levels.
Explains the design choices regarding transistors, supply voltage, and output relays.
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