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HARMAN 2686A Instruction Manual


HARMAN 2686A - It's a complete owner's manual ( also known as operating manual or user guide), and it's in PDF format. After placing order we'll send You download instructions on Your email address. See below for delivery information

The manual is available only in language(s): English German French Spanish

Link to manual will be sent on Your email address after You place order.
This product was added to our catalog on Monday 07 May, 2007.
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Jeff Lewis - 07/24/2006 5 of 5 Stars!
Received the Hitachi user manual. Happy happy happy! Thanks again.
Grace Towers - 05/22/2008 5 of 5 Stars!
Very nice clear manual with specifications, exploded views and schematics, been searching for one of these for years. Thanks.
matt wilschke - 03/07/2008 5 of 5 Stars!
Essential for popping the top open and cleaning and replacing what needs repalced. One note: the Ornamental Panel is attached with some adhesive as well as screws and faders so don't be shy about prying it open.
Jim Carrier - 08/02/2006 5 of 5 Stars!
Outstanding and fast service! I received service manual in a moment after order. Thanks to this manual I can use my printer again!
Steve Troake - 10/05/2006 5 of 5 Stars!
Just got this Manual downloaded... Scan is PERFECT! This is EXACTLY what I needed. However, please update your site info to state that it may take more than \"a few hours\" to have the download available after payment - - - I had to wait 4 days, in my case. Otherwise, I am very happy with this!!! Thanks! --- User-Manuals.COM comment We\'re sorry for delay, we had major problem with our download server, but all is ok now and downloads works as previous.

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Click to see text excerpt from the manual
Mic Preamp/
OUTPUT jack.
C. Connect an external processor or effects device to the 1/4� INSERT
jack. (Optional)
4. Connect the AC power cord to the AC power receptacle on the back of the unit.
Note: We recommend you always power on the unit with the MIC GAIN control set to its minimum level
(fully counterclockwise). This will help in safeguarding your system against sudden spikes and surges,
as well as possible acoustical feedback if a microphone is connected and left Oopen.�
Note: Check the line voltage (printed on 286A) and verify that it is correct.
Understanding the 286AOs Mic Preamp
The 286AOs Mic Preamplification Section includes support for phantom-powered
mics, a highpass filter, and an input gain control. Note that these controls are applied
to the input signal before the signal is processed by the 286AOs Processing Section.
Phantom power is available at the push of a button, providing +48VDC to phantom-
powered microphones. The 286AOs phantom power is sufficient for most micro-
phones, However, some vintage condenser mics may require a separate power
Press the HIGHPASS button In to cut signals below 80Hz by 18dB/octave, effective-
ly filtering out mic proximity effects, hum, rumble, wind and other low frequency
Use the MIC GAIN control to achieve the best definition and character possible from
your microphone. The 286AOs Mic Preamp delivers up to 60dB of sonically transpar-
ent gain to reveal the detail and audio signature of even the most esoteric mics. It
transforms their low level output signal to a high level, high current signal that is
internally fed to the 286AOs main processing chain (i.e., compressor, de-esser, etc.)
Using the Mic Preamp AloneTo use the 286A as a dedicated mic preamp, simply press the BYPASS button to
(i.e., Using the 286A as adefeat the Processing Section circuitry. This allows you to use the Mic preampOs
PHANTOM POWER switch, HIGHPASS button and MIC GAIN control without
Dedicated Mic Preamp)routing the signal through any of the processing circuitry.
Processing SectionThe 286AOs Processing Section consists of four specific processors: Compressor , De-
esser, Enhancer, Expander/Gate. These four processors can be used in any combina-
tion or the 286A can be set as a dedicated single-function processor (refer to the fol-
lowing pages).
CompressorA compressor is a device that changes its gain in response to the signal at its input.
Many compressors have a user-selectable level, called THRESHOLD, to help deter-
mine when compression occurs. If the input signal is low in level (below the thresh-
old of compression) the compressor gain remains fixed. If the input increases above
the threshold of compression, the gain begins to decrease (i.e., the amount of gain
reduction increases). For very large input signals, the gain can decrease considerably.
On the 286A, compression occurs as an input level is Odriven� into gain reduction by
the DRIVE control; as the DRIVE setting (adjusted clockwise from OFF) increases
input gain, the amount of gain reduction also increases. The 286A does not have a
Threshold control; the threshold is established by the setting of the DRIVE control.
Use the Drive control to set the amount of gain reduction (i.e., how much the input
signal is being compressed). Use the DENSITY control to set the compressorOs
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