Onkyo TX-8255 instruction manual Specifications, Amplifier Section, Tuner Section, General

Specifications

Amplifier Section

Rated Output Power (FTC) (North American)

All channels:	50 watts minimum continuous power
	per channel, 8 ohm loads, 2 channels
	driven from 20 Hz to 20 kHz, with a
	maximum total harmonic distortion of
	0.08 %

Rated Output Power (IEC) (European and Australian)

2 ch ⋅ 90 W at 4 ohms, 1 kHz, 1 ch driven Maximum Output Power (JEITA) (Asian)

90 W at 4 ohms, 1 kHz, 2 ch driven

Dynamic Power

North American: 135 W + 135 W (2 Ω) 105 W + 105 W (4 Ω)

70 W + 70 W (8 Ω)

European and Australian:

110 W + 110 W (2 Ω)

90 W + 90 W (4 Ω)

55 W + 55 W (8 Ω)

THD (Total Harmonic
Distortion)	0.08 % (Power Rated)/ 0.08 % (1 kHz,
	1 W)
Damping Factor	60 (Front, 1 kHz, 8 Ω)
Input Sensitivity and
Impedance	150 mV/ 50 kΩ (LINE)
	2.5 mV/ 50 kΩ (PHONO MM)
Output Level and
Impedance	150 mV/ 2.2 kΩ (REC OUT)
Frequency Response	10 Hz–100 kHz/ +1 dB–3 dB (CD)
Tone Control	±10 dB, 100 Hz (BASS)
	±10 dB, 10 kHz (TREBLE)
Signal to Noise Ratio	100 dB (LINE, IHF-A)
	80 dB (PHONO, IHF-A)
Speaker Impedance	4 Ω–16 Ω

Tuner Section

■FM

Tuning Frequency

RangeNorth American: 87.5 MHz– 107.9 MHz

Others: 87.5 MHz– 108.0 MHz

■AM

Tuning Frequency

RangeNorth American: 530 kHz–1710 kHz

Others: 522 kHz–1611 kHz

Preset Channel 40

General

Power Supply	North American: AC 120 V, 60 Hz
	European: AC 230-240 V, 50 Hz
	Others: AC 230-240 V, 50Hz
Power Consumption	North American: 2.1 A
	European: 180 W
	Others: 180 W
Standby Power
Consumption	North American: 0.2 W
	Others: 0.3 W
Dimensions
(W ⋅ H ⋅ D)	435 ⋅ 149 ⋅ 340 mm
	17-1/8" ⋅ 5-7/8" ⋅ 13-3/8"
Weight	7.5 kg
	16.5 lbs.

■Audio Inputs

Analog Inputs	PHONO, CD, TAPE 1, TAPE 2, LINE 1,
	LINE 2

■Audio Outputs

Analog Outputs	TAPE 1, TAPE 2
Speaker Outputs	SPEAKERS A
	SPEAKERS B
Phones	1
IR Input/Output	1/1

Specifications and features are subject to change without notice.

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