DISPLAY
In normal operation, the level setting is displayed and various indicator lights will be illuminated. When the display button is pressed, all lights will extinguish. Pressing any button will turn on the display and indicator lights for 5 seconds, and then extinguish. The only exception is standby, which will always have the standby light illuminated.
Pressing the display button while the display is off, or during the 5 second timeout period, will turn on the display and normal operation will return.
GAIN ADJUSTMENT
Pressing the gain button will show the gain for the phono section. Press the right side of the display glass to increase the gain, and the left side of the glass to decrease the gain. The gain displayed is in dB and is the gain attained when the unit is new with factory supplied tubes. A unit with aged tubes, or
It is possible for the phono section to overload the line section. Distortion on peaks is the most obvious indication, but sometimes it can be a less obvious compression of dynamics and an upper midrange hardness. Simply lowering the gain of the phono section will eliminate this problem. The selected gain is stored in
The mute button is active while in the gain adjustment mode.
The below chart shows the recommended gain settings by cartridge output level. These recommendations will produce the best
Cartridge output level (millivolts) | Recommended Gain Setting | |
Less than .2 | 75dB | |
.2 | 62dB | |
.6 | - 1 | 56dB |
1.1 - 2 | 50dB | |
2.1 - 5 | 44dB | |
5.1 - 7 | 38dB | |
LOADING ADJUSTMENT
Pressing the load button will show the loading for the phono section. Press the right side of the display glass to decrease the loading (increased ohms), and the left side of the glass to increase it (decreased ohms). The loading displayed is in ohms, and an H on the display indicates kilo ohms.
6