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7. SPECIFICATIONS

[A-550R]

Amplifier Section

Continuous power output (both channels driven at 20 Hz to 20

kHz) * *

supplied.

Input sensitivity/impedance

TREBLE

bo sccctivus desdveuvactereacchsveied

sehasadeate +8 dB (10 kHz)

Loudness contour (volume control set at ~ 30 dB position)

Sas Ttb batiyneteaomehise esha ans nee

+5 dB (100 Hz)/+3 dB (10 kHz)

Filter (SUBSONIC)

............0cccee

eee ecneeeeeeeene 17 Hz {12 dB/oct.)

Signal-to-Noise ratio (IHF short circuit,

A network)

PHONO

(MM, 5 mV input/MC, 0.5 mV input)

93 dB/74 dB*

Power Supply/Miscellaneous

Accessories

NOTE:

Specifications and design subject to possible modification without

notice, due to improvements.

* Measured with DIRECT button set to on.

** Measured by Audio Spectrum Analyzer.

A-550R.

A-450R

[A-450R]

Amplifier Section

Continuous

power output (both channels driven at 20 Hz to 20

kHz)**

TH Ds:0.01.%,. 8) Di faci ecnind casinnon teoensetaesis 40 W

+ 40 W*

THD:-0102% , 4D?

Saeesilectiac

tee es 50 W

+ 50 W*

DIN Continuous power output (both channels driven at 1 kHz)

T.H.D.

1%, 82

55 W + 55 W*

T.H.D.

1%,

75W

+75

Dynamic power output (on EIA dynamic test signal)

BOAO?

Qe vas ceaccneneseavscaee iseiaseseenee ss 55 wW/90 W/100 W

Total harmonic distortion * *

20 Hz to 20 kHz, 40 W, 82

0.01% *

20 Hz to 20 kHz, 50 W, 42

0.02% *

@ The above

values

are applicable

when

AC 230 V power

supplied.

Input sensitivity/impedance

PHONO

(MM)

.........cccccesceececeereeeeeeeeeeeensenens 2.5 mV/50 kQ

CD, TUNER,

LINE, TAPE

150 mV/40 kQ

PHONO

overload level

1 kHz, T.H.D. 0.02%

(MM) ........ccccceee

tees eee et eee ee ee 150 mV

Output level/impedance

TAPE REC, ADAPTOR

OUTPUT

................- 150 mV/2.2 kQ

Frequency response

PHONO

(MM)

.............:eeeeeeeeee 20 Hz to 20 kHz + 0.3 dB

CD, TUNER,

LINE, TAPE

............... 5 Hz to 100 kHz *8dB*

Tone control (volume control set at — 30 dB position)

BASS wisicrs.ci25s sohsace aes aoed. ae tetasdey battens

+8 dB (100 Hz)

TREBLE:

x esesscahoacees

fete

ne eet a

Pk +8 dB (10 kHz)

Loudness contour (volume control set at — 30 dB position)

seidathenctaiaich oenieeedyGeaneees

+5 dB (100 Hz)/+3 dB (10 kHz)

Signal-to-Noise ratio (IHF short circuit,

A network)

PHONO

(MM, 5 mV input)

..........

... 89 dB*

CD, TUNER,

LINE, TAPE

............ceececeee

eee eee eeu eee 108 dB*

Signal-to-Noise ratio (DIN, continuous power/50 mW)

PHONO}(MM):

is.0cssdas cece eaeess ceseeet sei a vennbeit ens 73 dB/63 dB*

CD, TUNER,

LINE, TAPE ...........0ceeeeeeee

cece 87 dB/65 dB*

Power Supply/Miscellaneous

Power requirements

............... a.c.

220~ 230

Volts, 50/60 Hz

POWEF CONSUMPTION

.........

cece cece cece ee eee ree eee eenteeeee ees 410 W

Dimensions

................0006 420 (W)

x 352 (D) x 126 (H) mm

Weight (without package)

............cseeeseneeneeeeeeeee

nse en eens 8.1 kg

Accessories

Remote Control Unit ........

cece cence eee cece eee

ee ener

te nee ee ee 1

Batteries (IEC RO3, AAA)

0.0.20...

ccc ccc cc cence ence ne en eer e teen ane es 2

Operating instructions ...........c ccc cece cece eee ee eee ee etenaeen es 1

NOTE:

Specifications and design subject to possible modification without

notice, due to improvements.

* Measured with DIRECT button set to on.

** Measured by Audio Spectrum Analyzer.

Published by Pioneer Electronic Corporation.