Harman kardon citation 25 service manual

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The Harman Kardon
Model Citation 25 MM
STEREO PREAMPLIFIER ; l

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The following marks found in the parts list of this manual identify
the models as follows.

an : North America area model

(9 : General model

11'. : Japan model

harman/kardon

240 Crossways Park West. Woodbury, N.Y. 11797
1112-3152129 P4375801 1500 Printed in Japan

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itation25

SPECIFICATIONS

Input Sensitivity/Impedance
Phono (MM)
(MC)

Tone amp
Ham and Noise Ratio
Phono (MM)
(MC)
Tone amp
Signal to Noise Ratio (lHF-A)
Phono (MM)
(MC)
Tone amp
Channel Separation
Phono (MM)
(MC)
Tone amp
Overload (20 ~ ZOkHz)
Phono (MM)
(MC)
THD at 1V Output
Tone amp (20Hz)
(1kHz)
(ZOkHz)

Nominal Limit

2.2mV/47k0

125;:V/100, 300,
125/1Vi10flV/56n, 1000
130mV/23k9

78dB ; 74dB
73dB ; 69dB
84dB g 80dB
84dB ; 80dB
78dB ; 74dB
94dB g 90dB
54dB g 50dB
55dB 2 50dB
54dB g SOdB
165mV g 150mV
9.2mV g 5mV
0.0052% § 0.01%
0.0050% § 0.01%
0.0045% § 0.01%

Frequency Response (-3dB Down)
Subsonic Filter at 20Hz
Tone Control Characteristics
Bass (4OOHz/200Hz)
Boost
Cut
Treble (2kHz/6kHz)
Boost
Cut
Dimensions (W x H x D)

Weight

Power Supply
North America area model
General model
Japan model
Power Consumption
Japan model

Nominal Limit
0.25HZ N 245kHz
-3dB 2t 1dB

10.5dB/9.5dB i IdB
-11dB/-9dB i 1dB

SdB/4.5dB : 1dB
-9dB/-4.5dB i 1dB
17-3/8 x 3-3/8" X 14-5/8"
(443 x 85 x 371 mm)

20 lbs. I 9.09kg

AC120V, 60Hz
AC220/240V, 50/60Hz
AC1ODV, 50/60Hz
27W

24W

These specifications are Service target specs.

Specifications and components subject
Overall performance will be maintained

LEAKAGE TEST (FOR SERVICE ENGINEERS IN THE U.S.A.)

Before returning the unit to the user, perform the following safety checks:

1. Inspect all lead dress to make certain
that leads are not pinched or that
\hardware is not lodged between the
chassis and other metal parts in the
unit.

2. Replace all protective devices such
as nonmetallic control knobs, in-
sulating fishpapers, cabinet backs,
adjustment and compartment covers
or shields, isolation resistor-
capacitor networks, mechanical in-
sulators, etc.

3. Be sure that no shock hazard exists; check for leakage current
using Simpson Model 229 Leakage Tester, standard equipment
item No. 21641, RCA Model WT540A or use alternate method as

follows:

Plug the AC line cord directly into a 120-volt AC receptacle (do not
use an Isolation Transformer for this test). Using two clip leads,
connect a 1500 ohm, til-watt resistor paralleled by a 0.15;:F
capacitor, in series with all exposed metal cabinet parts and a
known earth ground, such as a water pipe or conduit. Use a VTVM
or VOM with 1000 ohms per volt, or higher sensitivity to measure
the AC voltage drop across the resistor. (See Diagram.) Move the
resistor connection to each exposed metal part having a return path

SIMPSON MODEL 229 ETC. FOR
LEAKAGE TEST

METAL SURFACE OF

TO EACH exposeo T0 AC cnouno SUCH
AS WATER on GAS PIPE.
UNIT unosn resr man GROUND ex CABLECONDUIT, ETC.

VOLTAGE LEAD
0H + LEAD

to change without notice.
or improved.

é

VTVM

0 AC SCALE 0"

10W

TEST PROBE

T0 EXPOSED
METAL PARTS

1.5KOHM

CONNECT T0 KNOWN
EARTH GROUND

to the chassis (antenna, metal, cabinet, screw heads, knobs and control shafts, escutcheon, etc.) and measure theAC voltage
drop across the resistor. (This test should be performed with the power switch in both the On and Off positions.)
A reading of 0.35 volt RMS or more is excessive and indicates a potential shock hazard which must be corrected before

returning the unit to the owner.