Kenwood KA-550D amplifier

Features

Digital-ready power amplifier with excellent low-impedance drive capability

Dynamic Power Output (EIA) 2 x 90 W into 2 ohms

Ultra-short signal paths and circularised linear circuit layout to produce high-quality, high-definition sound especially for the UK market

Type monitor Source Direct position

Independent L/R channel volume control

Headphone Jack

 

Specifications

Power Output:  35 watts per channel minimum RMS, both channel driven at 8 Ω  from 20 - 20,000 Hz with no more than 0,08% Total Harmonic Distortion.

Maximum Continuous Power Output

DIN, 1 kHz, at 4 Ω  :  52 W + 52 W

DIN, 1 kHz, at 8 Ω  :  41 W + 41 W

IEC/NF, 63 Hz - 12,500 Hz, 0,7% T.H.D. at 8 Ω  :  40 W + 40 W

Total Harmonic Distortion : 

20 Hz - 20,000 Hz, 8 Ω  :  0,08%

1 kHz, 8 Ω  :  0,009%

Intermodulation Distortion:  0,03% at rtaed power (60 Hz : 7 kHz= 4 : 1)

Frequency Response:  10 Hz to 80 kHz +0 dB -3 dB (IHF)

Phono Frequency Response :  RIAA Standard curve ±0,4 dB (30 Hz to 20 kHz)

Damping Factor:  250 (50 Hz input 8 Ω )

Signal-to-Noise Ratio (IHF-A)

Phono (MM) :  76 dB

Tuner, Aux, CD :  82 dB

Tape :  82 dB

Signal-to-Noise Ratio at Unweighted, 50 mW Output (DIN)

Phono (MM) :  57 dB

Tuner, CD, Aux, Tape :  57 dB

Input Sensitivity/Impedance:

Phono (MM) :  2,5 mV / 47 k Ω

Tuner, CD, Aux, Tape :  150 mV / 47 k Ω

Phono Maximum Input Level (MM) :  150 mV, 0,08% T.H.D. at 1 kHz

Output Level Impedance:

Tape Rec :  150 mV / 220 Ω

Rec Out :  150 mV / 220 Ω

Channel Separation (DIN) at 1,000 Hz

Phono (Terminated with 2,2 k Ω ) :  64 dB

Aux (Terminated with 47 k Ω  +  250 pF) :  68 dB

Tone Controls

Treble :  ±10 dB at 10 kHz

Bass :  ±10 dB at 100 Hz

Phono Input Capacity :  320 pF

General

Power Requirements:  110, 120, 220 - 240 V 50/60 Hz

Pc :  150 W

Dimensions (W x H x D):  440 x 102 x 345 mm (17-5/16" x 4-1/16" x 13-9/16")

Weight:  6,8 kg (15,0 lbs)