Panasonic CQ-4500U, CQ-4300U operating instructions Specifications, Part 15 of the FCC Rules

Power Supply

: 12 V DC (11V-16V) Test Voltage 14.4V, Negative ground

Maximum Power Output

: 37 W ⋅ 4 channels at 400 Hz, Volume Control maximum

Power Output

: 18 W per channel into 4 ohms, 40 to 30,000Hz at 3% THD.

Tone Action

: Bass; ± 12 dB at 100 Hz

Treble; ± 12 dB at 10 kHz

Current Consumption

: Less than 2.5 A (tape mode, 0.5 W 4-speaker)

Speaker Impedance

: 4 Ω

(4-8 Ω acceptable)

Dimensions (W ⋅ H ⋅ D)

: 7" ⋅

1-15/16" ⋅ 5-7/8" (178 ⋅ 50 ⋅ 150 mm)

Weight

: 3 lbs. (1.4 k )

AM Radio

Frequency Range

: 530-1,710 kHz

Useable Sensitivity

: 28 dB/µV (25 µV/ S/N 20 dB)

FM Stereo Radio

Frequency Range

: 87.9-107.9 MHz

Useable Sensitivity

: 12 dBf. (1.1 µV / 75Ω

, S/N 30 dB)

50 dB Quienting Sensitivity

: 17 dBf. (1.8 µV / 75Ω

)

Frequency Response

: 30-15,000 Hz ± 3 dB

Alternate Channel Selectivity

: 75 dB

Stereo Separation

: 35 dB at 1,000 Hz

Signal/Noise Ratio

: 70 dB (Mono)

Weather Band Radio

Frequency Range

: 162.40-162.55 MHz

Useable Sensitivity

: 3 dB/µV (S/N 20 dB)

Signal/Noise Ratio (40 dB/µV)

: 50 dB

Tape Player

Reproduction System

: 4-track, 2-program stereo

Tape Speed

: 1-7/8"/sec (4.76 cm/sec)

FF/REW Time

: Less than 110 SEC (C-60)

Frequency Response

: 35 - 14,000 Hz ± 3 dB

Wow and Flutter

: 0.09% (WRMS)

Signal/Noise Ratio

: 52 dB (Dolby NR on: 62 dB)