Sony WM-DD9
- Brand: Sony
- Product packages: Carrying bag/case
- Model: WM-DD9 Walkman
- Features: Dolby B, Dolby C, 2 motors, Metal-CrO2 / Norm switching, MEGA BASS 3-stage, auto reverse playback, noise reduction.
Technical data:[edit]
- Smooth running; 0.22% W. peak (DIN) thanks to DD-Quartz drive
- Signal-to-noise ratio: 48 dB
- Total harmonic distortion: 1.0%.
- Frequency response (DOLBY NR off): 20-20,000 Hz
- Dolby B and C
- Output: 3.5mm jack, load impedance 8-300 Ohm
- Output power: 5 mW + 5 mW on battery power, load impedance 16 ohms
- Power supply: 1.5 V DC, rechargeable battery, one AA cell (R6)
Remarks[edit]
Other models of the same series: