Optimus Portable CD Player
(420-5073/5074)            Specifications             Faxback Doc. # 40961


Audio

Frequency Response (+/-3 dB)................................ 20 - 20,000 Hz

Dynamic Range........................................................ 80 dB

Signal-to-Noise Ratio................................................ 80 dB

Harmonic Distortion at 1 kHz......................................... 0.07%

Separation at 1 kHz.................................................. 70 dB

Wow/Flutter................................................. Not Measurable

Headphones Output (10% THD at 32 ohm).......................... 6 mW + 6 mW

Line Output........................................................... 0.6V

Disc

Diameter.................................... Standard 5-Inch and 3-Inch CDs

Signal Format

Sampling Frequency................................................ 44.1 kHz

Oversampling....................................................... 8 Times

Quantization Number.................................. 16-Bit Linear/Channel

Transmission Bit Rate..................................... 4.3218 Mb/Second

Signal-Processing Rate........................................... 352.8 kHz

Pick-Up

Tracking System................................. 3-Beam Tracking Servo Type

Object Lens Drive System...................... 2-Dimensional Parallel Drive

Optical Source......................................... Semiconductor Laser

Wavelength.......................................................... 780 nm

General

Power Requirements.................. DC 3V; Two AA Size Alkaline or Special
                       Rechargeable Nickel-Cadmium Batteries Not Supplied),
                             Optional AC Adapter (273-1664), or Optional DC
                                                         Adapter (273-1801)

Power Consumption...................................................... 8 W

Battery Life (EIAJ Method)
CD-3620............................................................ 9 Hours
CD-3640............................................ 7.5 Hours with DASı off

Dimensions (HWD)................................. 1 3/16 x 5 1/4 x 6 Inches
                                                  (30 x 134 x 153 mm)

Weight (without batteries)
CD-3620....................................................... 9 oz (255 g)
CD-3640..................................................... 9.1 oz (258 g)

Included Accessory................................................. Y-Cable

Specifications are typical; individual units might vary.  Specifications
are subject to change and improvement without notice.

(km-08/01/1997)