Radio Shack 12-2157, Owner'S Manual, Page: 22 / 24

22
Specifications
ˆ
Specifications
RADIO
CD PLAYER
Frequency Response .......................................................................................... 20 Hz–20 kHz
Signal-to-Noise Ratio ....................................................................................................... 92 dB
Harmonic Distortion ............................................................................................................ 0.1%
CDs Used (Diameter) ....................................................... 5-inch (120 mm) and 3 inch (80 mm)
SIGNAL FORMAT
D-A Conversion ................................................................................................................... 1 bit
Sampling Frequency .................................................................................................... 44.1 kHz
Pick-Up System .................................................................................................. 3 Spot Method
Optical Source ................................................................................................................... Laser
Wavelength .................................................................................................................... 785 nm
Error Correction ................................................................................................................. CIRC
Number of Channels ...................................................................................... 4-Channel Stereo
GENERAL
Power Source .................................................................................... 12V DC Negative Ground
Speaker Output Impedance .......................................................................................... 4 Ohms
Power Output (RMS) ....................................................................................... 22 Watts × 4 CH
Chassis Size (HWD) ....................................... 1
15
/
16
× 6
11
/
16
× 5
7
/
8
Inches (50 ×178 × 150 mm)
Weight ...................................................................................................................... 4 lb (1.8kg)
Specifications are typical; individual units might vary. Specifications are subject to change and
improvement without notice.
FM (Nominal) AM (Nominal) Weather Band
Frequency Range 88–108 MHz 530–1710 kHz 162.4–162.55 kHz
Frequency Response 50-15 kHz 50-2.3 kHz ---------
IF Rejection 80 dB 46 dB --------
Image Rejection 60 dB 65 dB 20 dB
Selectivity 70 dB 40 dB 55 dB
Signal-to-Noise (S/N) 65 dB 50 dB 45 dB
Stereo Separation 33 dB -------- ---------
Usable Sensitivity 3 µv 16 µv 1 µv
12-2157.fm Page 22 Wednesday, March 1, 2000 7:42 AM