Werbung
Verfügbare Sprachen
Verfügbare Sprachen
IN CASE OF DIFFICULTY
If your unit should not perform as expected, consult the table below to see if the problem can be corrected before seeking help
from your Kenwood dealer or service representative.
AM, FM, PHONO or Tape playback
CAUSE
REMEDY
a) Power cord not plugged in.
a) Check plug contact.
b) Poor connection at wall outlet. Power outlet in-
b) Check outlet using a lamp or other appliance (outlet
active.
may be controlled by a wall switch).
Pilot lamp out, no sound, power on.
a) Speaker cords disconnected.
b) Speakers switched off.
c) Volume control fully CCW.
d) TAPE A switch set to ON.
Pilot lamp lights but no sound from left or right.
a) Check speaker connections.
b) Check speaker switch.
c) Adjust volume.
d) Set to OFF except when tape decks are in use.
Sound from left or right, but not both.
b) Defective speaker.
c) BALANCE set to one extreme or the others.
a) Poor speaker connections.
a) Check connections at both ends of speaker cord.
b) Reverse speakers,
if problem
stays with speaker
have speaker checked.
c) Check setting of BALANCE control.
PHONO playback only
CAUSE
No sound from both or one speaker.
Turntable output disconnected.
REMEDY
Check phono cables.
Loud hum drowns out sound.
tions.
Poor ground connection at phono cabie connec-
Check phono plugs, particularly outershell connec-
tions.
Low background hum.
Hum Picked up in turntable or turntable cables.
Keep cables away from power cords. Twist left and
right cables together. Reverse AC plug of turntable.
Connect ground wire between
turntable and GND
connector.
Background buzz.
near transmitter).
TV signal picked up by phono cable (especially
Route phono cables to minimize buzz.
Howling noise at maximum volume settings.
Acoustic pickup from speaker.
Increase
distance
between
speaker
and turntable.
Choose speaker locations carefully. Check turntable
suspension.
SPECIFICATIONS
KA-50
Power output
45 watts*
per channel
minimum
RMS,
both
channels
driven,
at
8 ohms
from
20 Hz
to
20,000 Hz with no more than 0.09% total har-
monic distortion.
Total Harmonic Distortion
AUX input to SPEAKER output
(20 Hz to 20,000 H2).........c.ceceeceeenees
(20 Hz to 20,000 Hz) ...........scccseeeeees
PHONO input to SPEAKER output (1 kHz) ...
0.09% at rated power into 8 ohms
0.06% at 1/2 rated power into 8 ohms
0.06% at rated power with
,
VOLUME
— 20 dB
intermodulation Distortion. ............s.seeseeees 0.06% at rated power into 8 ohms
(60 Hz:7 kHz=4:1)
Damping Factor............csccocscescscccnscccerenss 30 (1 kHz into 8 ohms)
Power Bandwidth ...........c:ecsccssscsesecrseveees 20 Hz to 35,000 Hz at 0.2% T.H.D.
Frequency Response ...............scessceseseeees 10 Hz to 70 kHz, +O dB, —3 dB
input Sensitivity/Impedance
PHONG esd cde iadeticseek Seceniiichiea clenweteeeeantus 2.5 mV/50 k ohms
Tuner, AUX, Tape. .........scscccssecsereceeenes 150 mV/30 k ohms
Signal-to-Noise Ratio (IHF. A)
PROMO iss sccicisavcvccauneadsscvcieie
sees ensenssinne 72 dB for 2.5 mV input
78 dB for 5.0 mV input
84 dB for 10 mV input
Tuner, AUX, Tape........ccscsssscecscsccsccecces 100 dB for
150 mV input
Phono Maximum Input Level................2000 170 mV (RMS), T.H.D. 0.05% at
Output Level/impedance
1,000 Hz
Tape REC (Pin) .............ccssesccscesceccreveees 150 mV/2.2 k ohms
Phono Frequency Response..............s.0s000
Tone Control
RIAA standard curve +0.3
dB
(20 Hz to 20,000 Hz)
OGG ies cdrrcs sacsewa cease
Aes
ane
enteses +10 dB at 100 Hz
RONG aise ca cesth ceva even bauer
eae deiitine uses +10 dB at 10 kHz
Loudness Control...........cccscsecscscnsseccenecnes +9 dB at 100 Hz (at —30 dB VOLUME Level)
GENERAL
|
Power Requirements .............:.ceccecseeeseees 60 Hz 120 V (U.S.A. & Canada Model) or
50/60 Hz
110~120
V/220~ 240
V,
switchable
Power Consumption. ............:cccssccssceeneceee 1.8 A (UL and CSA)
150 W
180 W (8 ohms at rated power)
38 W (No signal)
AC. QUUOC,
fiiiacicacccaceccesinisededecenscuineecess Switched 2, Unswitched
1
Dimensions. ............0.ccccsccccsccccececsevscenceees W
440 mm
(17-5/16")
H
109mm
(4-19/64")
D
249 mm
(9-51/64")
WOLD
ida vsadaceartanueienteisetetantanen 5.5
kg (12.1 Ibs)
" Measured pursuant to Federal Trade Commission's Trade Regulation rule
on Power Output Claims for Amplifier in U.S.A.
KA-30
Power output
25 watts*
per channel
minimum
RMS,
both
channels
driven,
at 8 ohms
from
20 Hz
to
20,000 Hz with no more than 0.09% total har-
monic distortion.
Total Harmonic Distortion
AUX input to SPEAKER output
(40 Hz to 20,000 H2)................cseceees 0.09% at rated power into 8 ohms
(40 Hz to 20,000 Hz) .............cceceeeees 0.06% at 1/2 rated power into 8 ohms
PHONO input to SPEAKER output (1 kHz)..0.06% at rated power with
VOLUME
— 20 dB
intermodulation Distortion.............cccssceeses 0.06% at rated power into 8 ohms
(60 Hz:7 kHz= 4:1)
Damping Factor..................+: a e ovehGnaasewewan 30 (1 kHz into 8 ohms)
Power Bandwidth ............ccccsccescesscsecsesees 20 Hz to 35,000 Hz at 0.2% T.H.D.
Frequency Response ..............ccsecccsessseeees 10 Hz to 70 kHz,
+0 dB, —3 dB
Input Sensitivity/iImpedance
PROMO veiiicssssdiovicdcacverssenassiersseciaceweneces 2.5 mV/50 k ohms
Tuner, AUX, Tape..........cccsscessreccsresceeee 150 mV/30 k ohms
Signal-to-Noise Ratio (IHF. A)
PHONO isi daieccicc ieee eieidichedinteii
eee
esis 72 dB for 2.5 mV input
78 dB for 5.0 mV input
84 dB for 10 mV input
Tuner, AUX, Tape..........ccsccescvsscevesceenes 100 dB for
150 mV input
Phono Maximum input Level....................- 170 mV (RMS), T.H.D. 0.05% at
1,000 Hz
Output Level/impedance
Tape REC (Pin) ............cccecceccecsccestesccens 150 mV/2.2 k ohms
Phono Frequency Response................s.se0: RIAA standard curve +0.3 dB
(20 Hz to 20,000 Hz)
Tone Control
BOGS oo ssaicceccesseee
noes vasaciesiaisixiasdesssuececes +10 dB at 100 Hz
TRGDNG oshac tv cdtadersercaxveateuietintaieieusacanence: + 10 dB at 10 kHz
Loudness Contrrol..............ccsccsccessecccceseees +9 dB at 100 Hz (at — 30 dB VOLUME Level)
GENERAL
Power Requirements ..............ccsccssesssceeees 60 Hz 120 V (U.S.A. & Canada Model)
or
50/60 Hz
110~120 V/220~ 240 V,
switchable
Power Consumption. .........ccsccccssescscecsevecs 1.1 A (UL and CSA)
90 W
100 W (8 ohms at rated power)
:
38 W (No signal)
PC Othe ts acids
iceesied sane diivesdaceeseusssne Switched 2, Unswitched
1
DimeNnsiONs.............2cccceccsceccecccenscucecesaces W
440mm
(17-5/16")
H
109mm
(4-19/64")
D
249mm
(9-51/64")
Note:
Kenwood follows a policy of continuous advancements in developments.
For
this reason specifications may be changed without notice.
A
ere
-
'
'
A
j
i
g
&
4
i
|
|
i
4
4
q
a
|
Werbung
