MARANTZ PMS 7004 BIG BOOMBOX STEREO Radio Cassette Vintage 1981

1. Radio Reception:

• Frequencies: AM/FM band.

• Tuner: Analog, with good selectivity and sensitivity.

2. Cassette:

• Format: Compact Cassette.

• Tape Type: Compatible with Type I (normal), Type II (chrome), and, in some cases, Type IV (metal) tapes.

• Noise Reduction System: Dolby B to reduce background noise in recordings.

• Functions: Playback, recording, fast forward, and rewind.

• Auto-Stop: Auto-stop system at the end of the tape.

• Recording Control: May include manual recording level control.

3. Amplification:

• Output Power: Around 20-25 W RMS per channel.

• Impedance: Compatible with 4 to 8-ohm speakers.

• THD (Total Harmonic Distortion): Generally below 1%.

• Frequency Response: Approximately from 20 Hz to 20 kHz.

4. Inputs and Outputs:

• Inputs: Auxiliary (to connect external devices such as CD players or TV).

• Outputs: Terminals for stereo speakers and, possibly, a 6.3 mm headphone output.

• Antenna Connection: External antenna input to improve FM reception.

5. Other Features:

• Tone Control: Adjustable bass and treble.

• Balance: Balance control between left and right channels.

• Mono/Stereo Mode: Playback mode selector for FM radio.

• Graphic Equalizer: Some models include a basic graphic equalizer.

6. Power Supply:

 • Voltage: 110-120V or 220-240V, depending on the region.