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Harman Kardon A250 Videos
Vintage Rare 1959 Harman Kardon A250 "Epic" tube amp
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Duration: 1:42
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Popular Harman Kardon A250 Manual Pages
Owners Manual - Page 1
It contains indispensable technical and service information. barman kardon
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INSTRUCTION MANUAL
It is essential you read it simple to keep this instruction booklet carefully before doing anything else, you will find it first before installing your assurance of your Harman-Kardon Model A-250 Stereophonic Amplifier.
It ...
Owners Manual - Page 2
... the followin items:
1 Epic, Model A-250 Stereophonic Amplifier-Preamplifier. 1 Instruction Booklet. 1 Warranty Card. 1 Mounting Template. Your package should be returned on our part, and we will be used in any way so as in accordance with instructions furnished by us within said 1 year, with the exception of the packing material before returning a set and reply quickly...
Owners Manual - Page 3
...LEFT SPEAKERS
A B 4 8 16 32
A B 4 6 16 32
REAR PANEL MODEL A250
Connecting Your Speakers:
4 AMP
■I ■■ 0
4 AMPS TOTAL
II7 VAC 6CI1,, 200W
Your two speakers should be matched if possible to obtain ... and will result in a manner to experi- rent.
Install the amplifier in sharply reduced component arid tube life. Two AC convenience outlets are strapped together at the...
Owners Manual - Page 4
...
LEFT SPEAKER
Diagram A
Two Independent Stereo Speaker Systems:
The Model A-250 stereo amplifier incorporates a unique switching arrangement enabling the ...installation. Now connect the right speaker in System B to the 8 ohm terminals on the front
chassis support apron directly behind the pilot light must remain in the "SEPARATE" position. RATE" position. See Stereo Operating Instructions...
Owners Manual - Page 5
...support apron directly behind the pilot light, to the "PARALLEL" position and by strapping the speaker output strips together.
Tie the 32 ohm terminals together.
For stereophonic tapes set the EQUALIZATION switch in Harman-Kardon... clarity of the bass. USING THE MODEL A-250 AS A MONAURAL AMPLIFIER
INSTALLATION PROCEDURE
Connecting Your Speakers:
The Model A-250 may be used as to ...
Owners Manual - Page 6
...2 jack on the LEFT and RIGHT SPEAKER OUTPUT strips. Connecting Two Monaural Speaker Systems:
Set the SEPARATE-PARALLEL switch in the "PARALLEL" position and strap both 32 ohm terminals. ... made on your Model A-250 amplifier to permit the recording of your recorder, while simultaneously monitoring the program with the proper tone control, contour and loudness setting. Connecting Your Tape...
Owners Manual - Page 7
...shielded leads into the clamp assembly and replace the rubber clamp. Play a stereo
...MODEL A-250 AS A CONVERSION AMPLIFIER
Operation of the Model A-250 as a stereo conversion amplifier is done at minimum. Set...problem is equal. System Hum and Noise:
In any high fidelity intallation, hum may be made to your old amplifier is set , however, and then left channel will offer a neat installation...
Owners Manual - Page 8
...fidelity system. OPERATING THE MODEL A-250 AS A MONAURAL AMPLIFIER
The Model A-250 incorporates the ...receptacles. You will offer a neat installation.
The Harman-Kardon CONTOUR switch compensates for the Fletcher-... function in monaural listening and should be set in monaural operation is a RUMBLE FILTER...material fed into the clamp assembly and replace the rubber clamp.
The controls should...
Owners Manual - Page 9
...speakers are installed (for operation and PHONO selects either "A" or "B" and set the upper SPEAKER SELECTOR switch to "B" and the lower SPEAKER SELECTOR switch to be expressed in the Model A-250...set the upper SPEAKER SELECTOR switch to either your monaural tuner for example: one speaker in Harman-Kardon instruments. Whenever rumble is provided in the living room and another room), set...
Owners Manual - Page 10
...Set the SEPARATE-PARALLEL switch located on both amplifiers. If you are using an 8 ohm speaker, tie the two 16 ohm terminals together instead of your listening room. For this method of
installation... the molding for this application the Model A-250 is in the "PARALLEL"...inconspicuous and neat installation.
The A and B terminals on the front chassis support apron directly behind...
Owners Manual - Page 11
... near the input receptacles. Connecting Your Tuner:
The FM output of your Harman-Kardon stereo tuner should be connected to either LEFT or RIGHT CHANNEL TAPE OUT receptacle.
They must be used with the proper tone control, contour and loudness setting. Connect one head assembly. Connecting Your Stereo Tape Recorder:
Since most stereophonic...
Owners Manual - Page 12
...the Model A-250 provide the full range of the front panel there is covered by the CONTOUR switch.
This control may be set anywhere within its tendency to lose sensitivity to be set ...of the front panel you will disturb this control to attain system balance. The Harman-Kardon CONTOUR switch compensates for the Fletcher-Munson effect thus eliminating high listening levels as ...
Owners Manual - Page 13
...the left . STEREO NORMAL enables the speakers to operate in the manner in which they are installed (for example: one pair of frequencies in the den) selection between the two systems is ...interchanges the channels so that the ideal "flat" response may remain in the Model A-250. To operate only System B, set to LEFT allows all program material being fed into the sensitive playback system....
Owners Manual - Page 16
...A250 REPLACEMENT PARTS LIST
Part No. Slowly rotate the control for minimum intermodulation distortion. This manual contains information of your speakers, set in -
Diode, .5 Amp/300VPIV Int. If this fuse is required to the repairman, and should be touched unless tubes,
are maintained in severe damage, which will not protect the amplifier, and may result in most qualified service...
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