DIATONE MM-1
¥ 12,500 (around 1979)
Commentary
MM type cartridge with a magnesium alloy head shell.
Pure silver wire is used for lead wires of the head shell.
Model Rating
Type | MM Type Cartridge |
Playback frequency range | 15 Hz to 22 kHz |
Output voltage | 3 mv (1 kHz, horizontal speed 50mm/s) |
Channel separation | 26 dB or More (1 kHz) 20 dB or More (10 kHz) |
Needle pressure | 1.5g ~ 2g (proper 1.8g) |
Attached head shell | Made of magnesium alloy, 6.2g |
Dead weight | 6g |
Total weight | 12.2g |
Exchange needle | 3D-MM1(¥6,000) |