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Owners Manual - Page 1
...-Kardon Model AX20 Stereophonic Conversion Amplifier.. This booklet has been written in an extremely fine electronic instrument into which many excellent engineering developments have been incorporated, and each is important for the proper operation of superb stereo performance. harman kardon
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INSTRUCTION MANUAL
It is essential you read it first before installing...
Owners Manual - Page 2
... for warranty repair either to the factory or to any part or parts, with the unit. Your package should be in perfect condition. GENERAL DESCRIPTION
The AX20 stereophonic conversion amplifier-dual preamplifier is an extremely versatile instrument and may be used in the following items:
1 Model AX20 Stereophonic Conversion Amplifier-Dual Preamplifier. 1 Instruction Manual 1 Warranty Card...
Owners Manual - Page 3
... of the 8 or 16 ohm terminal will he allowed
around the molding for an inconspicuous and neat installation. Allow terminals A & B to remain strapped together for the second channel and control your speakers. USING THE NOCTURNE MODEL AX20 AS A STEREOPHONIC CONVERTER
If you now own a basic amplifier, or an amplifier-preamplifier, you may utilize the...
Owners Manual - Page 4
...MODEL AX20 AS A STEREOPHONIC CONVERTER
Every control on a well designed and honestly considered high fidelity instrument has a specific ...Model AX20 incorporates the following front panel controls. To connect a monaural tape recorder, connect its own output plug. If you . Connect one and uses two ouput connecting plugs. They must be used with the proper tone control, contour and loudness setting...
Owners Manual - Page 5
...such as the Harman-Kardon Festival, this application and may remain in the internal wiring of the Model AX20. The SPEAKER SELECTOR SWITCH located on the froiI anel of your AX20 is connected between ... from the Function Selector switch arm (refer to your original instruction book) and extending it out from your Harman-Kardon stereo tuner should
he connected to 20 feet between the Function...
Owners Manual - Page 6
...Equipment:
A TV tuner or other similar device with the proper tone control, contour and loudness setting. On the upper section you are using a monaural ceramic or crystal cartridge plug it is... plugged into the TAPE HD jack. Connecting Your Tape Player: Connect your Model AX20 to one of the AC convenience outlets located on the rear panel.
Connecting Your Tape Recorder...
Owners Manual - Page 7
How To Play A Monaural LP Record: If you prefer. USING THE MODEL AX20 AS A MONAURAL AMPLIFIER
INSTALLATION PROCEDURE
Connecting Your Speaker:
Connect one lead from your speakers are 8 ohms, connect one speaker to A and 8 ohms and the' other speaker to operate two ...
Owners Manual - Page 8
...rich tone • available from fine modern recordings.
The Harman-Kardon CONTOUR switch compensates for the FIetcher-Munson effect thus eliminating...move to the right and when the control is properly set in cases where major unbalance exists. be operated by ...low level listening throw the CONTOUR switch located on the Model AX20 provide the full range of stereo reproduction is entirely ...
Owners Manual - Page 9
...selects your hearing preference, speaker characteristics and room acoustics. The controls should be set in order to use . Switch to select between the two preamplifiers.
PHONO selects... is to MONAURAL RIGHT or MONAURAL LEFT as a requisite for monaural operation. The Harman-Kardon CONTOUR Switch compensates for the Fletcher-Munson effect, thus eliminating high listening levels as...
Owners Manual - Page 10
...listening quality. To select Speaker B (located in the Model AX20. Whenever rumble is the condition for example: one set the LEFT SPEAKER SELECTOR switch located on the front panel.... frequency signal that is then automatically selected. Equalization Switch:
Records and tapes are installed (for absolute minimum distortion.
The TUNER position selects your monaural tuner for lowest power...
Owners Manual - Page 11
... Speaker Selector Switch:
For stereo operation, this caution applies. When playing your stereophonic records set the EQUALIZATION switch to LEFT allows all stereophonic recordings are now correctly phased. Listen carefully ... appears at the right and the program source appearing at the time of installation of certain frequencies in which they must be connected in any program material...
Owners Manual - Page 12
... adjustments described above , will not be replaced only with a fuse of the set the LOW LEVEL hum control for minimum hum. In this problem is often of the cables and different ...the Model AX20, no routine maintenance other than yearly tube checking is required to the attention of the same rating. For the address of the nearest one of the Customer Service Department, Harman-Kardon, ...
Owners Manual - Page 15
SWITCH BASS CONTROL LOUDNESS CONTROL BALANCE CONTROL. AX20 LIST OF REPLACEABLE PARTS
DnaIptIon
DPDT SLIDE SWITCH DPDT SLIDE SWITCH POWER TRANSFORMER OUTPUT TRANSFORMER ELECTROLYTIC COND. 40MFD/450V SOMFD/350V ELECTROLYTIC COND. 4061PD/200V RIMED/25V 100/417D/...
Owners Manual - Page 16
... Equalization: ,'
SPECIFICATIONS
2-1,7,L84's self biased, pentode connected in an output jack for a full stereophonic system. 20 watts at less than 1% harmonic distortion. 17 watts at less than 0.5% harmonic distortion. 5 watts at less than 0.2% harmonic distortion. 17 ... response. RIAA and EUR. NARTB 75 and
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Fibrinan-Kardon, Inc., 520 Main Street, Westbury, L. Tape: 1 my. I., N.
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