Excellent printing quality.
A complete and very usefull service manual with all details.
GREAT SERVICE AT VERY LOW PRICE!
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Text excerpt from page 1 (click to view)
HA-SP3 (N)
SERVICE MANUAL
STEREO HEADPHONES WITH INTEGRATED MICROPHONE
HA-SP3 (N)
The "Product Exchange System" is applicable to this product. For limited spare parts, refer to the parts list.
Specifications
Headphones section Type Moving coil Frequency response 16 Hz-22 000 Hz Nominal impedance 16 ohms Sensitivity 100 dB/1 mW Max.input capability Mass 20 mW 6 g (without cord & control box) 30 g (with cord & control box) Type Densitivity Sensitivity Cord Microphones section Electrical condenser Non-directional -38 dB (0 dB=1V/Pa) �1.2 m cord with �3.5 mm L-type Stereo mini-plug (for personal audio) �1.2 m cord with �2.5 mm L-type triple-pole plug (for cellular phone)
Design and specifications subject to change without notice.
