Specifications - Kenwood KA-990 Instruction Manual

Specifications
IHF
IEC
Power Amplifier Section
Power Output
Both Channels Driven into
8 ohms at 1 kHz..................... 127 W
Dynamic Power Output into
8 ohms |... eee cee 170 W
Total Harmonic Distortion
(20 Hz to 20,000 Hz)
AUX/D.A.D. input to
SPEAKER output ................ 0.005% at rated power
into 8 ohms
0.005% at 1/2 rated power
into 8 ohms
Intermodulation Distortion
(60 Hz:7 kHz= 4:1)...............4 0.005% at rated power
into 8 ohms
Damping Factor ...................... 1,000, at 100 Hz
Transient Response
Rise Time .....................00500008 1.7 ps
Slew Rate +100 Vips
Frequency Response
DC COUPLED at ON................ DC to 200 kHz,
+0 dB, -3 dB
DC COUPLED at OFF............... 18 Hz to 200 kHz,
+0 dB, —3 dB
Speaker Impedance................... Accept 4 ohms to 16 ohms
Input Sensitivity/Impedance
Phono MM ..............6..0:50:06e 2.5 mV/33 k ohms, 47 k ohms
and 100 k ohms
Phono MC..................:0: eee 0.2 mV/100 ohms
Tuner, AUX/D.A.D., Tape ........ 150 mV/47 k ohms
Signal-to-Noise Ratio (IHF. A)
Phono MM .................:0:50:00 88 dB for 2.5 mV input
94 dB for 5.0 mV input
100 dB for 10 mV input
Phono MC..................:: cee 69 dB for 0.25 mV input
75 dB for 0.5 mV input
Tuner, AUX/D.A.D., Tape........ 107 dB for 150 mV input
Maximum Input Level for Phono
IMI oie
Secce ete d heteinesatseaies 240 mV (RMS), T.H.D. 0.005%
at 1,000 Hz
MG vrtececast in daieisiedonenl eeatte teh ee 18 mV (RMS), T.H.D. 0.005%
at 1,000 Hz
Output Level/Impedance
Tape REC (Pin) ....................5. 150 mV/330 ohms
Frequency Response for Phono....RIAA standard curve +0.3 dB
(20 Hz to 20,000 Hz)
Tone Control
Bass )iawiicresdaugend eerie + 10 dB at 100 Hz
Trebles ices ic catch eeeeneertge + 10 dB at 10 kHz
Loudness Control
(at —30 dB VOLUME Level) ..... +10 dB at 100 Hz
Subsonic Filter ......................... 18 Hz, 6 dB/oct
General
Power Consumption ................. 700 W (8 ohms at rated power)
AC Outlets ....0.00... ee Switched 2, Unswitched 1
Dimensions ........................5605- W: 440 mm (17-5/16"}
H: 143 mm (5-5/8)
D: 383 mm (15-3/32")
Weight (Net) ................-..:..055 10.7 kg (23.5 Ib)
Power Amplifier Section
Rated Power Output
8 ohms at 20 Hz to 20,000 Hz
no more than 0,005% THD (FTC) ................. 105 W+ 105 W
4 ohms at 63 Hz to 12.5 kHz -
no more than 0.7% THD (IEC) ...................... 120 W+120 W
Total Harmonic Distortion
Rated Power Output into 8 ohms......................-....5055 0.005%
Intermodulation Distortion.......................::.:cc cee enee een eees 0.005%
Frequency Response ...............0...00.:c0c ce ecceee eee eens DC ~ 200 kHz
+0 dB, —3 dB
S/N Weighted: Rated Output Power (IEC-A)
( ) = Unweighted at 50 mW (DIN)
PhOnO MIM eis cdo ate cosine his Sake auvves cod Pina space: 88 dB (58 dB)
Phono: MG v5.56 es tected these ecoteatees 69 dB
Tuner, Aux/D.A.D., Tape ...............0..50 cece 107 dB (58 dB)
Damping Factor at 8 ohms, 100 Hz ....................:: cee 1,000
Transient Response
Rise Time: 2 inci ashes Sao IT he a ant 1.7 ps
Slew Rate is ate cnr deed cick sas takin iwnaeioctan see ads +100 Vius
input Sensitivity/Impedance
Phono MM .....0..0.0. 0... c cece cette eens 2.5 mV/33/47/100 kQ
PRONG: MG aes se hicdodci vein Asovders aeneaarnewred 0.2 mV/100 Q
Tuner, Aux/D.A.D., Tape .......0..0...0....:cccee cece 150 mV/47 kQ
Tone Control
Bass: 100 HZ oid Secs ocsda esheets eet elds +10 dB
Treble: 10' kHz 2 6fo ici stadis ck eagt einen tae een eis +10dB
Loudness Control (—30 dB) ..................0 ee 100 'Hz, +10 dB
Subsonic Filter ....0...0.0.0.0.0.000.cc cece cece centers neers 18 Hz, 6 dB/oct.
General
Power Consumption
IEG Fo ia ee eect hee hie a eA Ea oni 700 W
Dimensions». .....o5i6scie sends esses inalteateies cosergata rere lees' W: 440 mm
H: 143 mm
D: 383 mm
Weighit. (Net) f.s..5.sccise arias coi ncens eel ae tenets 10.7 kg
Note:
We follow a policy of continuous advancements in development. For this reason specifications may be changed without notice.
KA-990(U) 11
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