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General| Damping Factor | 60 |
|---|---|
| Input Sensitivity | 150 mV (Line) |
| Dimensions | 420 x 435 x 162mm |
| Speaker Load Impedance | 4 Ω to 16 Ω |
| Frequency Response | 5Hz-100kHz (+0dB, -3dB) |
| Signal-to-Noise Ratio | 110 dB (Line) |
General notes about part availability, safety marks, and replacement procedures.
List of external components and packing materials with their part numbers.
Diagrams detailing the internal circuitry of major assemblies like Phono, Input Selector, and Tone Amp.
Diagram and details specific to the SD type power supply.
Instructions for changing the unit's voltage setting to match local power.
Visual representation of the PCB layout and connections for the power supply.
Component placement diagrams for REC OUT, TONE AMP, and PHONO AMP circuit boards.
Component placement diagrams for POWER, VR, SPEAKER TERM, and HEAD PHONE circuit boards.
Detailed parts list for TONE AMP, SPEAKER SWITCH, and INPUT SELECTOR circuit boards.
Detailed parts list for REC OUT ASSEMBLY and POWER L ASSEMBLY circuit boards.
Detailed parts list for POWER R ASSEMBLY and POWER SUPPLY ASSEMBLY circuit boards.
Detailed parts list for SPEAKER TERM ASSEMBLY and PHONO AMP ASSEMBLY circuit boards.
Detailed parts list for VR ASSEMBLY, HEAD PHONE ASSEMBLY, and DIODE ASSEMBLY.
Comparison of miscellaneous parts across different model variants (HB, SD, HEWZ, S/HEWZ).
Explanation of the POWER switch, PHONES jack, and SPEAKERS selector switch.
Description of the BASS, TREBLE tone, and BALANCE controls.
Details on LOUDNESS, ADPT/TAPE 3, and DIRECT button operations.
How to use the INPUT SELECTOR and REC SELECTOR switches for playback and recording.
Detailed specifications for power output, THD, and power bandwidth.
Specifications for frequency response, tone control range, filters, and signal-to-noise ratios.
Step-by-step guide to adjust the amplifier's idle current.
