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Need help?Do you have a question about the Octave HP 300 MK2 and is the answer not in the manual?
General| Type | Integrated Amplifier |
|---|---|
| Input Sensitivity | 300 mV |
| Inputs | 5 x RCA |
| Outputs | Speaker Terminals |
| Total Harmonic Distortion | < 0.1% |
| Damping Factor | 10 |
| Input Impedance | 100kΩ |
| Tubes | 4 x KT88, 2 x ECC83 |
| Signal-to-Noise Ratio | 90dB |
Details OCTAVE's approach to sound, design, and control compared to traditional tube amplifiers.
Describes the HP 300 MK2's generation, circuit design, output stage, chassis, and manufacturing.
Precautions before operating the amplifier, including voltage checks, emergency disconnect, and case opening warnings.
Guidelines for placing the amplifier in a dry environment, avoiding heat, dust, and ensuring adequate ventilation.
Details warranty conditions related to authorized service and adherence to manual instructions.
Step-by-step instructions for connecting the amplifier, including safety precautions and power-on sequence.
Information on the factory soak test and the initial period for tubes to reach optimal sound quality.
Explains the main power switch, mode rotary switch (Stand By, Gain, Mute), and tape monitor switch.
Describes the function toggle switch (Operate, Mute, Bypass/AUX) and the IR sensor for remote control.
Explains the input selector's role in selecting sources and enabling tape monitoring.
Details all input (CD, Phono, Tuner, Aux, CD) and output (Tape Rec/Play, Out 1, Out 2, XLR) connectors.
Covers the AC mains receptacle and the model identification plate.
Explains how the bypass/multi-channel circuit integrates with multi-channel systems, eliminating double volume regulation.
Illustrates the bypass mode connection and highlights features like tape monitoring and AUX signal routing.
Shows the connection diagram for two-channel mode and explains the AUX input's role.
Explains how to use the tape loop for connecting digital or analog sound processors, including both digital and analog inputs.
Provides a diagram showing the location of tubes on the line board and phono MC board.
Step-by-step guide on how to safely replace tubes, including cleaning tips and notes on new tube performance.
Information on the expected service life of tubes and why individual replacement is usually sufficient.
Explains the function of a phono preamplifier and details the HP 300 MK2's enhanced phono section.
Provides guidelines for connecting a turntable to the phono section, including ground connection.
Details how to adjust the subsonic filter and gain settings for the MC input based on cartridge type.
Explains how to set the MC input impedance using sliding switches for optimal sound from the pickup.
Addresses issues like hum, crackling, clicks, and pops, providing solutions related to grounding and power outlets.
Covers troubleshooting for unbalanced channels due to cables or faulty tubes, and hiss caused by worn tubes.
Details technical specifications for inputs, outputs, line stage, and the Phono MC section.
Provides general specifications including power consumption, weight, accessories, and physical dimensions.
Lists key features of the HP 300 MK2 and includes diagrams showing frequency response and distortion.
Presents diagrams illustrating noise spectrum of the line stage and frequency response of the phono stage.
