Onkyo T-4250

Data

General

• Manufacturer: Onkyo
• Model: T-4250
• Type: Tuner
• Years of manufacture: 1985 - 1987
• Made in: Japan
• Color: Black and silver
• Remote control: no
• Power consumption: 17 W
• Dimensions: 435 x 77 x 372 mm (WxHxD)
• Weight: 5.2 kg
• Original price approx.: 599 DM

Connections

• Number of outputs: 1

Chinch OUTPUT

• Number of inputs: 2

FM 75 Ohm coaxial, AM frame or outdoor antenna

Technical data

• Reception: FM/MW
• Frequencies:
  • VHF : 87.5 - 108.0 MHZ (50 kHz grid).

MW : 531 - 1611 kHz (9 kHz raster)

• Frequency response: 30Hz - 15kHz +- 1,5dB
• Input sensitivity: FM
  • Mono: 0.9 µV

Stereo: 20 µV

• Input sensitivity: MW

25 µV

• Distortion factor:
  • Mono: 0.1%

Stereo: 0.2%

• Noise floor:
  • Mono: 75dB

Stereo: 68dB

• Channel separation:
  • 40dB at 1kHz
  • 30dB from 70Hz to 10kHz
• selectivity: 60dB
• Co-wave selection: 1.3dB
• Spurious wave selection:
• IF attenuation: 90dB
• IF attenuation: 90dB
• AM suppression: 50dB
• Output voltage: 0.8V
• RDS: -
• Station memory: 20

Semiconductor

• 10 ICs
• 5 FETs
• 36 transistors
• 57 diodes + 26 LEDs

Remarks

• Other models in the same series:
• Preamplifier:
• Onkyo P-200
• Onkyo P-3030
• Onkyo P-3390

• Power Amplifier
• Onkyo M-200
• Onkyo M-5030
• Onkyo M-5590

• Integrated Amplifier
• Onkyo A-8220
• Onkyo A-8230
• Onkyo A-8250
• Onkyo A-8270
• Onkyo A-8290
• Onkyo A-8300

• Tuner
• Onkyo T-4220
• Onkyo T-4230
• Onkyo T-4250
• Onkyo T-4270
• Onkyo T-9900

• [[Receiver:
• Onkyo TX-7220
• Onkyo TX-7230
• Onkyo TX-7240

• CD player
• Onkyo DX-150
• Onkyo DX-200
• Onkyo DX-1200
• Onkyo DX-2200
• Onkyo DX-3200

• Tape Deck
• Onkyo TA-2220
• Onkyo TA-2230
• Onkyo TA-2250
• Onkyo TA-2900
• Onkyo TA-R 250
• Onkyo TA-RW 90

• Record Player
• Onkyo CP-1007 A
• Onkyo CP-1046 F
• Onkyo CP-1057 FB

• Equalizer
• Onkyo EQ-25
• Onkyo EQ-35

• Speakers:
• Onkyo SC-260
• Onkyo SC-350
• Onkyo SC-550
• Onkyo SC-750
• Onkyo SC-950
• Onkyo SC-1500

• [[Headphones:
• Onkyo DP-G 4
• Onkyo DP-L 2 X

• Microphone:
• Onkyo DM-2
• Onkyo DM-3

Pictures

• [[Picture: Onkyo T-4250

• Excerpt from brochure: System Onkyo Integra DX-2200, A-8250, TA-2350, T-4250