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General| Rated Output Voltage | 250mV |
|---|---|
| Type | Phono Equalizer |
| Input Impedance | 47kΩ (MM) |
| Maximum Output Voltage | 15V (1kHz) |
| RIAA Deviation | ±0.3dB |
| Frequency Response | 20Hz - 20kHz |
| Total Harmonic Distortion | 0.005% |
| S/N Ratio (IHF-A) | 95dB (MM) |
| Input | MC, MM |
| Vacuum Tubes | EZ81 |
| Dimensions (W x H x D) | 440 x 105 x 360mm |
| Power Supply | AC 230V, 50Hz |
Install in a location with good ventilation and heat radiation. Avoid direct sunlight, high temperatures, humidity, or dust.
Ensure proper grounding for cartridges to prevent noise and hum. Connect securely.
Turn off power before connecting/disconnecting devices. Ensure secure connections to prevent noise.
Amplifier has a time muting circuit. Set volume low initially to avoid sudden loud sound.
Details the operation switch, indicator, meters, and various selection switches on the front panel.
Turns the unit on and off. Power must be off when connecting terminals.
Blinks during warm-up, lights up when operational. Indicates muting circuit status.
Details the terminals and connections on the rear panel of the EQ-500.
Illustrates the wiring diagram for connecting analog players, the EQ-500, and amplifiers.
Connect output terminals to line input terminals of control/integrated amplifiers. Do not connect to phono inputs.
Connect RCA pin-plugs and ground wires securely to input terminals to avoid noise.
Connecting such units may distort signals or cause malfunction. Connect to line input instead.
Presents the electronic circuit diagram of the EQ-500, illustrating component connections and signal flow.
Details input sensitivity for MM, MC HIGH, MC LOW and input impedance ranges.
Specifies gain settings and RIAA equalization deviation for different cartridge types.
Lists maximum input voltage and output impedance for both LINE and BAL outputs.
Provides S/N ratio figures for different gains and total harmonic distortion levels.
A comprehensive table guides users through identifying and resolving issues like no power, no sound, or hum noises.
Solutions for when the unit does not power on, checking plug and connections.
Troubleshooting steps for no sound or low sound, covering input selection, volume, and cartridge settings.
Explains how to fix hum noises by checking grounding, cable placement, and impedance settings.
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