Before testing your cartridge, please verify the HiFi system’s functionality. The left speaker should be connected to the left amplifier channel and vice versa; both speakers should work in phase and be optimally positioned in the room.The Test Record is designed to be played through your system with in-built RIAA equalization. Volume control is recommended to be set at a moderate signal level. Please refer to your turntable and tonearm’s instructions for correct installation and alignment, adjust tonearm to be parallel to record surface, set Vertical Tracking Force and anti-skating according to the cartridge’s recommended technical data, and adjust stylus overhang. Each side of the record consists of 15 tracks which have been cut from 1-4 and 5-15: 1. Frequency Sweep Left Channel 800 Hz – 50 kHz. Log. 28 sec. Linear cut* (800 – 20000 Hz ±1,5 dB)2. Frequency Sweep Right Channel 800 Hz – 50 kHz. Log. 28 sec. Linear cut* (800 – 20000 Hz ±1,5 dB)3. Frequency Sweep Left Channel 800 Hz – 50 kHz. Log. 28 sec. Linear cut* (800 – 20000 Hz ±1,5 dB)4. Frequency Sweep Right Channel 800 Hz – 50 kHz. Log. 28 sec. Linear cut* (800 – 20000 Hz ±1,5 dB)5. Reference tone 1000 Hz 5 cm/sec rms Left6. Reference tone 1000 Hz 5 cm/sec rms Right7. Reference tone 1000 Hz 5 cm/sec rms Left8. Reference tone 1000 Hz 5 cm/sec rms Right9. Tracking ability, lateral 50 μm peak10. Tracking ability, lateral 60 μm peak11. Tracking ability, lateral 70 μm peak12. Tracking ability, lateral 80 μm peak13. Tracking ability, lateral 90 μm peak14. Tracking ability, lateral 100 μm peak15. Square Wave Form 2.7 msec duty cycle 3:7* The record has a constant velocity amplitude throughout the sweep. 1-4 Frequency sweep – a tool for checking frequency responseThere are several factors that can affect frequency response, including cable capacitance, cartridge loading, tracking force, and worn parts. Because of this, it can be difficult to achieve a perfectly flat frequency response. Sometimes by making small compromises in the cartridge loading, better overall frequency response can be achieved. Considering the above the signal must be clean throughout the sweep. 5-8 Reference tone for testing channel outputWith this standard reference, signal is it possible to check the correctness of the connections of the left and right channels, channel balance and speed of the turntable. 9 -14 Tracking ability test, 315 Hz lateral modulationThese tracks contain a 315 Hz signal, recorded at increasing pick amplitudes of 50, 60, 70, 80, 90, and 100 micrometers. Please refer to your cartridge’s tracking ability value specified in the technical datasheet. Your cartridge should be able to track the actual level without audible distortion. Inability to track can be heard as a departure from a pure tone or a sputtering and intermittent tone. To determine if it is one or both channels, the balance control can be utilized. In case of differing tracking ability in the left and right channels it is probably necessary to readjust the anti-skating correction of the tonearm. If both channels fail to track properly, then the vertical tracking force should be increased until no further improvement of the tracking force can be obtained. 15. Square Wave Form 2.7 msec duty cycle 3:7When monitoring the output of your cartridge with an oscilloscope you’ll then see a square wave located precisely above each other if the connection from the cartridge is correct. After successful completion of the above test procedures, you can ensure that your cartridge is optimized. Still the human ear is very sensitive to the difference in tone distortion; its level depends on the stylus condition and record wear. To maintain optimal sound reproduction and to minimize wear on your records as well as on your stylus, we recommend the following procedure before and after each playback: Remove dust carefully from record surfaces by using a fine antistatic brush or cloth before every use. Please remember to remove dust from the diamond tip before and after the playback of each record. It should be noted that some phono equalizers may generate some tone distortion, which cannot be referred to the cartridge.
