Yamaha 485RDS User Manual

24

Minimum RMS Output Power per Channel

8 ohms, 20 Hz to 20 kHz, 0.04% THD

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RX-485 RDS

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............................65W+65W

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RX-385/385 RDS

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[U.S.A. and Canada models].......45W+45W
[Australia, U.K., Europe and 
General models]..........................40W+40W

6 ohms, 20 Hz to 20 kHz, 0.06% THD

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RX-485 RDS

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............................70W+70W

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RX-385/385 RDS

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[U.S.A. and Canada models].......48W+48W

Dynamic Power per Channel
(by IHF Dynamic Headroom measuring

method) 

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RX-485 RDS

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8/6/4/2 ohms ....................95/115/135/150W

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RX-385/385 RDS

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[U.S.A., Canada and General models]
8/6/4/2 ohms ..........................69/78/90/98W
[Australia, Europe and U.K. models]
8/6/4/2 ohms ..........................68/75/85/95W

DIN Standard Output Power per Channel

4 ohms, 1 kHz, 0.7% THD

[Europe model only] 

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RX-485 RDS

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......................................85W

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RX-385/385 RDS

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...............................55W

IEC Power 

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RX-485 RDS

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8 ohms, 1 kHz, 0.04% THD

[Europe model only]..............................75W

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RX-385/385 RDS

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8 ohms, 1 kHz, 0.04% THD

[Europe model only]..............................50W 

Damping Factor

8 ohms, 20 Hz to 20 kHz ............................80

Input Sensitivity/Impedance

PHONO MM ......................2.5 mV/47 k-ohms
CD/TAPE/AUX ..................150 mV/47 k-ohms

Maximum Input Signal (1 kHz, 0.01% THD) 

PHONO MM .........................................80 mV

Headphone Jack Rated Output/Impedance

8 ohms, 20 Hz to 20 kHz, 0.04% THD
Output Level

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RX-485 RDS

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....................................0.46V

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RX-385/385 RDS

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.............................0.45V

Impedance

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RX-485 RDS

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.............................390 ohms

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RX-385/385 RDS

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......................330 ohms

Frequency Response (20 Hz to 20 kHz)

CD/TAPE/AUX..................................0±0.5 dB

RIAA Equalization Deviation

PHONO MM .....................................0±0.5 dB

Total Harmonic Distortion (20 Hz to 20 kHz)

PHONO MM to REC OUT (1V) ............0.02%
CD/TAPE/AUX to SP OUT

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RX-485 RDS

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(32.5W/8 ohms) ....................................0.02%

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RX-385/385 RDS

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(22.5W/8 ohms) ....................................0.02%

Signal-to-Noise Ratio (IHF-A Network)

PHONO MM (5 mV Input Shorted)........82 dB
CD/TAPE/AUX (Input Shorted) ...........105 dB

Residual Noise (IHF-A Network)............100 

µ

V

Channel Separation (Vol. –30 dB)

PHONO MM (Input Shorted 1 kHz) .......60 dB
CD/TAPE/AUX
(Input 5.1 k-ohms Terminated 1 kHz)....60 dB

Tone Control Characteristics

BASS: 

Boost/cut .................±10 dB (50 Hz)
(Turnover frequency)

...........................................(350 Hz)

TREBLE:

Boost/cut............±10 dB (20 kHz)

(Turnover frequency)

..........................................(3.5 kHz)

Continuous Loudness Control

...............................................– 30 dB (1 kHz)

(Level related equalization)

Tuning Range

[U.S.A., Canada and General models]

........................................87.5 to 107.9 MHz

[Australia, Europe, U.K. and General
models] ...........................87.5 to 108.0 MHz

50 dB Quieting Sensitivity (IHF, 75 ohms)

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RX-485 RDS/385

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[Except Europe model]
Mono ...............................1.55 

µ

V (15.1 dBf)

Stereo ................................21 

µ

V (37.7 dBf)

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RX-385 RDS

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Mono ...............................1.55 

µ

V (15.1 dBf)

Stereo ................................21 

µ

V (37.7 dBf)

Usable Sensitivity (75 ohms)

(30 dB S/N Quieting, 1 kHz, 100% mod.)

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RX-485 RDS/385

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[Except Europe model]

............................................0.8 

µ

V (9.3 dBf)

DIN, Mono (S/N 26 dB) [Europe model]

.............................................................0.9 

µ

V

DIN, Stereo (S/N 46 dB) [Europe model]

..............................................................24 

µ

V

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RX-385 RDS

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[Except Europe and U.K. models]

............................................0.8 

µ

V (9.3 dBf)

DIN, Mono (S/N 26 dB)

[Europe and U.K. models] .................0.9 

µ

V

DIN, Stereo (S/N 46 dB) 

[Europe and U.K. models] ..................24 

µ

V

Image Response Ratio

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RX-485 RDS/385

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[Except Europe and U.K. models].......45 dB
[Europe model] ...................................80 dB

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RX-385 RDS

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[Except Europeand U.K. models]........45 dB
[Europe and U.K. models]...................80 dB

IF Response Ratio ...................................80 dB
Spurious Response Ratio ........................70 dB
AM Suppression Ratio .............................55 dB
Capture Ratio..........................................1.5 dB
Alternate Channel Selectivity 

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RX-485 RDS/385

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[Except Europe model] .......................85 dB

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RX-385 RDS

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[Except Europe and U.K. models].......85 dB

Selectivity (two signals, 40 kHz Dev.)

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RX-485 RDS/385

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[Europe model] ...................................70 dB

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RX-385 RDS

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[Europe and U.K. models]...................70 dB

Signal-to-Noise Ratio

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RX-485 RDS/385

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(IHF) Mono/Stereo 

[Except Europe model] .............80 dB/75 dB

(DIN-Weighted, 40 kHz Dev.) Mono/Stereo

[Europe model] .........................74 dB/69 dB

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RX-385 RDS

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(IHF) Mono/Stereo 

[Except Europe and U.K. models]

.................................................80 dB/75 dB

(DIN-Weighted, 40 kHz Dev.) Mono/Stereo

[Europe and U.K. models] ........74 dB/69 dB

Harmonic Distortion

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RX-485 RDS/385

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Mono/Stereo (1 kHz)

[Except Europe model] ................0.1/0.2%

Mono/Stereo (40 kHz Dev.)

[Europe model] ............................0.1/0.2%

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RX-385 RDS

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Mono/Stereo (1 kHz)

[Except Europe and U.K. models]

....................................................0.1/0.2%

Mono/Stereo (40 kHz Dev.)

[Europe and U.K. models] ...........0.1/0.2%

Stereo Separation 

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RX-485 RDS/385

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(1 kHz)................50 dB

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RX-385 RDS

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[Except Europe and U.K. models] 
(1 kHz)...................................................50 dB
[Europe and U.K. models]
(40 kHz Dev.) ........................................50 dB

Frequency Response

20 Hz to 15 kHz...............................0 ±1.5 dB

Tuning Range

[U.S.A., Canada and General models]

..........................................530 to 1,710 kHz

[Australia, U.K., Europe and General
models] .............................531 to 1,611 kHz

Usable Sensitivity ..............................100 

µ

V/m

Selectivity.................................................32 dB
Signal-to-Noise Ratio ...............................50 dB
Image Response Ratio ............................40 dB
Spurious Response Ratio ........................50 dB
Harmonic Distortion...................................0.3%

AUDIO SECTION

Output Level/Impedance

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RX-485 RDS/385

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FM (100% mod., 1 kHz)

[Except Europe model]

......................................500 mV/2.2 k-ohms

[Europe model (40 kHz Dev.)]

......................................400 mV/2.2 k-ohms

AM (30% mod., 400 Hz)
.........................................150 mV/2.2 k-ohms

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RX-385 RDS

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FM (100% mod., 1 kHz)

[Except Europe and U.K. models]

......................................500 mV/2.2 k-ohms

[Europe and U.K. models (40 kHz Dev.)]

......................................400 mV/2.2 k-ohms

AM (30% mod., 400 Hz)
.........................................150 mV/2.2 k-ohms

Power Supply

[U.S.A. and Canada models]

...........................................AC 120V, 60 Hz

[Australia and U.K. models]

...........................................AC 240V, 50 Hz

[Europe model] ...................AC 230V, 50 Hz
[General model]

.................AC 110/120/220/240V, 50/60 Hz

Power Consumption

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RX-485 RDS

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[U.S.A. model].....................................155W
[Canada model].....................250 VA, 205W
[Europe, Australia and General models]

............................................................135W

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RX-385/385 RDS

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[Canada model] ..................................170W
[U.S.A., Australia, Europe, U.K. and 
General models] .................................120W

AC Outlets

2 SWITCHED OUTLETS

[U.S.A., Canada, Europe and 
General models].................100W max. total

1 SWITCHED OUTLET

[Australia and U.K. models]

...........................................100W max. total

Dimensions (W x H x D)

..........................................435 x 126 x 298 mm

(17-1/8” x 4-15/16” x 11-3/4”)

Weight

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RX-485 RDS

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.............7.0 kg (15 lbs. 6 oz.)

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RX-385/385 RDS

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......6.1 kg (13 lbs. 7 oz.)

Accessories............................AM loop antenna

Indoor FM antenna

Remote control transmitter

Batteries

Specifications are subject to change without
notice.