Precision Audio Component / AM-FM Stereo Tuner TU-255

Denon (Marke / brand)

  • Year
  • 2000
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 242160

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

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Main principle
  • PLL, Phase-locked loop
  • Wave bands
  • Broadcast (BC) and FM or UHF.
  • Details
  • Remote Control (with wire or wireless)
  • Power type and voltage
  • Alternating Current supply (AC) / 230 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Precision Audio Component / AM-FM Stereo Tuner TU-255 - Denon Marke / brand
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 434 x 75 x 242 mm / 17.1 x 3 x 9.5 inch
  • Notes
  • A stereo hi-fi AM/FM tuner in a black or champagne gold metal case with an aluminum front panel, with optional remote control (RC-126). 40-Station Random Preset Memory, RDS Eon, RadioText, large digital fluorescent display, rotary knob for manual and auto tuning. Coaxial socket for FM antenna, spring clip terminals for the supplied AM loop antenna and 2 x phono sockets for audio output.

    Specifications
    FM Section
    Tuning frequency            87.50 - 108.00 MHz
    Usable sensitivity (DIN)   0.9 µV (10.3 dBf)
    Signal-to-noise ratio        Mono: 82 dB, Stereo: 76 dB (A-weighted)
    Total harmonic distortion Mono: 0.5 %, Stereo: 0.8 %
    Frequency response       20 Hz - 15 kHz (+0.5, -1.0 dB)
    Stereo separation           40 dB (1 kHz)
    AM Section
    Tuning frequency           522 - 1611 kHz
    Usable sensitivity          18 µV
    Signal-tonoise ratio        53 dB
    Power consumption       9 W (standby 2.4 W)

    The RF section electronics uses one Mitsumi p/n:2169013004 high performance front end tuner, one AM/FM Osc/Mix/IF LA1265 IC, and one VCO/PLL MPX stereo demodulator LA3401 IC.

  • Net weight (2.2 lb = 1 kg)
  • 2.5 kg / 5 lb 8.1 oz (5.507 lb)
  • Source of data
  • -- Original prospect or advert
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Operating Instructions TU-255 AM-FM Stereo Tuner)
  • Author
  • Model page created by Jose Mesquita. See "Data change" for further contributors.

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