Creative craftsmanship-long a much-heralded aspect responsible for a great deal of Kenwood's success-is your built-in guarantee of total reliabilty. Selection of parts and materials is a significant beginning for this over-all stereo harmony, as demonstrated in the KA-4004 18/18 watt stereo amplifier. kenwood's scientific "Trouble Shooters" are in the process of elevating instrument quality by raising the standards of all models before they are offered for sale. Quality cutback is greatly minimized in the KA-4004 by using PNP Can type sealed transistors and nichrome-covered resistors in the preamplifier. Also, the print boards are directly combined with the tone control switches. needless wire connections are thus eliminated and over-all sophisticated circuitry-another kenwood hallmark of distinction-greatly improved. In many respects the KA-4004 is similar to the KA-6004 for its total, part-by-part auto-reliability.
Specifications
Continuous Power Output:
both channel driven:
18 + 18 watts into 8 Ω at any frequency from 20 - 20,000 Hz
19 + 19 watts into 8 Ω at 1,000 Hz
26 + 26 watts into 4 Ω at 1,000 Hz
each channel driven:
25 + 25 watts into 8 Ω at 1,000 Hz
36 + 36 watts into 4 Ω at 1,000 Hz
Dynamic Power Output (IHF):
58 watts per channel into 8 Ω at 1,000 Hz
95 watts per channel into 4 Ω at 1,000 Hz
Total Harmonic Distortion:
less than 0,5% at rated output from 20 -20,000 Hz;
less than 0,05% at -3 dB rated output
Intermodulation Distortion (60 Hz; 7,000 Hz; 4:1):
less than 0.5% at rated output;
less than 0,08% at -3 dB rated output
Power Bandwidth (IHF): 10 Hz to 50,000 Hz
Input Sensitivity/Impedance (for rated output, at 1,000 Hz):
Phono 1: 2,5 mV, 50 kΩ
Phono 2: 2,5 mV, 50 kΩ
Tuner: 160 mV, 30 kΩ
Aux 1, 2: 160 mV, 30 kΩ
Tape Play A & B: 160 mV, 30 kΩ
Main Amp. Input: 1 V, 50 kΩ
Recording Output (below rated input):
Tape Rec A & B: 160 mV
DIN connector: 40 mV
Signal to Noise Ratio (below rated output):
Phono 1 & 2: 65 dB
Tuner: 75 dB
Aux 1 & 2: 75 dB
Tape Play A & B: 75 dB
Noise at Minimum Volume Control: 0,3 mV at 8 Ω, 0,000012 milli watts
Damping Factor: 32 at 8 Ω load; 64 at 16 Ω load
Speaker Impedance: accepts 4 to 16 Ω
Bass Control: ±10 dB at 100 Hz
Treble Control: ±10 dB at 10,000 Hz
Low Filter: 80 Hz cut off, 6 dB per octave
High Filter: 7,000 Hz cut off, 6 dB per octave
Loudness Control (-30 dB): +8 dB at 100 Hz; +3 dB at 10,000 Hz
AC Outlets: 1 switched & 3 unswitched
Power Requirement: 110 - 120 V/220 - 240 V AC, 50/60 Hz
Power Consumption: 105 watts at full power; 15 watts at no signal
Dimensions (W x H x D): 435 x 153 x 300 mm (17-1/8 x 6-1/32 x 11-13/16 inch)
Weight: 9,3 kg (20,5 lbs)