ESC
T-4055

T-4055

BrandOnkyo
FunctionRadio Receiver (Tuner)
Produced1974
CountryJapan
Form FactorStandard Width
Signal PathAnalog Hardware
Dimensions423 x 355 x 136 mm
Weight7.6kg
PowerAC 110/120/220/240V 50/60Hz
AM : Harmonic Distortion0.5%
AM : IF Rejection Ratio33dB (1MHz)
AM : Image Rejection Ratio50dB (1MHz)
AM : Intermediate Frequency455kHz
AM : Output0.2V (Fixed)
AM : Output0~0.6V (Variable)
AM : Sensivity20μV, 150V/m
AM : Signal to Noise Ratio50dB (30%, 1mV input)
AM : Tuning Range530-1605kHz
FM : Alternate Channel Att.80dB
FM : AM Suppresion Ratio55dB
FM : Capture Ratio1.2dB
FM : Carrier Leakage-70dB
FM : Frequency Response20Hz~15kHz (+0, -2dB)
FM : Harmonic Distortion0.2% (Mono)
FM : Harmonic Distortion0.5% (Stereo)
FM : IF Rejection Ratio95dB (98MHz)
FM : Image Rejection Ratio90dB (108MHz)
FM : Intermediate Frequency10.7mhz (FM)
FM : MPX Separation40dB (400Hz)
FM : MPX Separation35dB (100~10kHz)
FM : Output0.75V (Fixed)
FM : Output0~2V (Variable)
FM : Sensivity (IHF)1.7μV
FM : Signal to Noise Ratio (IHF)70dB
FM : Tuning Range88-108MHz
Output Impedance1.5Ω (Variable, Max)
Output Impedance2.5Ω (Fixed)
Semiconductors36 diodes, 2 FET, 37 transistors
Connections
  • Output (Fixed) · RCA (Phono, Cinch)
  • Output (Variable) · RCA (Phono, Cinch)
  • FM DET · RCA (Phono, Cinch)
  • Multipath Oscilloscope · RCA (Phono, Cinch)
  • FM Antenna 300Ω · Binding Post
  • FM Antenna 75Ω · Binding Post
  • FM Antenna 75Ω M Type Connector · Other
  • AM Antenna · Binding Post
Controls
  • Power · Latching Push Switch
  • Tuning · Rotary Pot
  • Selector · Rotary Pot with Switch · AM / Auto FM / FM Mono
  • Noise Filter · Toggle Switch · Off / On
  • Muting · Toggle Switch · On / Off
  • Level · Rotary Switch
NotesThis tuner was commercialized together with Amplifier A-7055