• Country
• Japan

• Manufacturer / Brand
• Denon (Marke / brand)

• Year
• 1989

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 118939

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• PLL, Phase-locked loop

• Wave bands
• Broadcast, Long Wave and FM or UHF.

• Power type and voltage
• Alternating Current supply (AC) / 220 or 240 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Precision Audio Component / AM-FM Stereo Tuner TU-450L - Denon Marke / brand

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 434 x 70 x 238 mm / 17.1 x 2.8 x 9.4 inch

• Notes

• A stereo hi-fi Quartz locked digital synthesizer AM/FM tuner. RCA Line Out sockets, terminals for the supplied clip-on AM loop aerial, 300 ohm terminals for FM aerial and a  75ohm coaxial socket for an FM antenna.

  Features

  • High sensitivity digital frequency synthesizer tuner for accurate tuning
  • MPX-NR switch for receiving weak field FM stations
  • Random presets for 16 AM/FM stations
  • Featuring four varactor diodes, MOS FET with high sensitivity,
  • High S/N ratio and low distortion
  • Auto-scan tuning and quick manual tuning
  • Manual step tuning and last-channel memory
  • Ceramic filter in the IF stage effectively combats noise
  • Optional wood side panels are available

  Specification
  FM
  Frequency Range:       87.50 — 108.00 MHz
  Antenna:                    75 ohm unbalanced/300 ohm balanced
  Usable Sensitivity:      1.0 µV (11.2 dBf)
  S/N 50dB Sensitivity:  Stereo: 23 µV (38.5 dBf), Mono: 3.1 µV (21.2 dBf)
  Frequency Response: 20 Hz to 15 kHz, +0.2dB, -1.5dB
  Signal-to-noise Ratio:  Mono: 80 dB, Stereo: 76 dB
  Total Harmonic Distortion:
      Mono  1 kHz          0.3% (at 100% modulation)
      Stereo 1 kHz          0.7% (at 90% modulation)
  Stereo Separation:      40 dB ( 1 kHz )
  Output Level :             0.6 V (75 kHz deviation) (at 100% modulation)

  AM
  Antenna Terminal:        Terminal Type, with Loop Antenna
  Frequency Range:        MW 522 — 1611 kHz, LW 153 — 360 kHz

  Similar to the Denon TU-450 AM-FM Stereo Tuner which has FM and MW only

• Net weight (2.2 lb = 1 kg)
• 3 kg / 6 lb 9.7 oz (6.608 lb)

• Source of data
• - - Data from my own collection

• Literature/Schematics (1)
• - - Manufacturers Literature (Denon '89 Hi-Fi Component catalogue)

• Author
• Model page created by Howard Craven. See "Data change" for further contributors.

• Other Models

• Here you find 473 models, 467 with images and 49 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Denon (Marke / brand)