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Complete MFG Service Manual at a good price FAST !
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Downloaded the manual, reasonably straightforward, pretty much exactly as advertised.
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very helpfull
circuit diagram and sparepart list available
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Very good reproduction (copy) of original manual. Didn't have a parts list, but schematic was completely labeled with parts. Complete instructions on how to adjust mechanical functions of the 8-track deck. Well worth having and at a very reasonable cost.
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It's a full manual. All the parts are in there. I haven't found the problem yett, but I am working on it; hope I can rebuild the part myself. To make it more secure and unbreakable this time. Because the part has failed several times before and costs a lot to let it be repaired.
Thanks so much for this rich illustrated and parted manual.
HKSUB12
harman/kardon
AMPLIFIER PANEL CONTROLS AND CONNECTIONS
and should only be used with a filtered signal. If your receiver does not have a filtered subwoofer output, you should use the LineLevel Full-Range Inputs £ instead. � Phase Switch: This switch determines whether the HKSUB 12 subwoofer�s pistonlike action moves in and out in phase with the main speakers. If the speakers are out of phase, the sound waves produced by the subwoofer will be cancelled out, reducing bass response. This phenomenon depends in part on the relative placement of the speakers in the room. In most cases, the Phase Switch � should be left in the NORMAL position. However, it does no harm to experiment with the Phase Switch �, and you may leave it in the position that maximizes bass response. § Music-Sense On/Off Switch: When this switch is placed in the AUTO position, and when the Master Power Switch � is turned on, the HKSUB 12 will automatically turn on or place itself in the Standby mode, depending on whether it is receiving an audio signal. When this switch is placed in the ON position, the HKSUB 12 will remain on, whether or not it is receiving an audio signal. ¶ LED Indicator: This LED indicates whether the HKSUB 12 is in the ON or STANDBY state when used with the Music-Sense On/Off Switch § in the AUTO position. The LED is lit green to indicate that the HKSUB 12 is receiving an audio signal and is turned on, and the LED is lit red to indicate that no signal is being received and the HKSUB 12 is in Standby mode. When the Music-Sense On/Off Switch § is in the ON position, the LED will be lit green, whether or not an audio signal is present. When the Master Power Switch � is turned off, the LED goes dark, no matter which position the Music-Sense On/Off Switch § is in. � High-Cut (Low-Pass) Filter Switch: Placing this switch in the ON position activates circuitry that filters out all audio input signals above the setting of the Crossover Frequency Control ª. This allows the HKSUB 12 to focus its power on reproducing the low-frequency portion of the signal, avoiding inefficiency and distortion. Engage this filter when using the Speaker-Level Inputs ¡, or when using the Line-Level Full-Range Inputs £, unless your receiver or processor processes its line-level output using a low-pass filter. The filter has no effect when the SUB Input ¢ is used. ª Crossover Frequency Control: Adjust this control to set the highest frequency the HKSUB 12 will reproduce. You should begin by setting it slightly above the lowest frequency that your main speakers are capable of reproducing. You may safely adjust the crossover frequency later as you listen to different program materials. This control will have no effect if you are using the Line-Level Subwoofer (SUB) Input ¢, or if you have set the High-Cut (Low-Pass) Filter Switch � to the OFF position. See page 14 for more information on adjusting the crossover setting. � Subwoofer-Level Control: Volume may be adjusted using the SubwooferLevel Control. Turn the control clockwise to increase the HKSUB 12�s volume, or counterclockwise to decrease it. � Master Power Switch: Press this rocker switch at the ��� mark to power-on the HKSUB 12 subwoofer. The HKSUB 12 will then be either in the Standby mode or completely on, depending on the position of the Music-Sense On/Off Switch §. ¤ AC Power Cord: Plug this cord into an active, unswitched electrical outlet for proper operation of the HKSUB 12. The cord should not be plugged into the accessory outlets found on some audio components.
AMPLIFIER PANEL CONTROLS AND CONNECTIONS
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