Great river NV Series User manual
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NV Series Equalizer User’s Guide
Front Panel Controls
1. Hi-pass filter. This selectable switch activates a third order (18 db
per octave) hi-pass filter at the frequency indicated. The filter also has
an “off” position.
2. Bypass switch and indicator light. This button activates a hardwire
bypass of this channel’s equalization circuitry. The input and output
amplifiers remain active. The indicator light will be red in bypass
mode.
3. Input selector. This selectable switch changes the input sensitivity
from a nominal +8 dBm level to an instrument level of –20 dBm, in the
steps noted. “MPI”, Mic preamp input, enables the equalizer to
receive signal from the TRS “patch point”. This mode was designed
for use with the Great River MP-2NV or ME-1NV. In MPI mode, the
line input on the back panel of the EQ-2NV is disabled.
4. Low band frequency selector. This switch selects the low band
frequency to be boosted or cut. When in the “off” position, the
peak/shelf filter indicator light will not be lit.
5. Low band peak/shelf filter and indicator. This push button switches
between peak and shelf mode for the low band.
6. Low band boost/cut knob. This pot will boost or cut the selected low
band frequency. The range of the boost/cut is +/- 15 db.
7. Lo-mid band frequency selector. This switch selects the lo-mid
band frequency to be boosted or cut. When in the “off” position, the Q
position indicator light will not be lit.
8. Lo-mid Q position selector and indicator. This push button
switches between narrow, medium, and wide Q positions for the lo-mid
band. The green indicator light displays the selected Q position.
9. Lo-mid boost/cut knob. This pot will boost or cut the selected lo-mid
band frequency. The range of the boost/cut is +/- 15 db.
10. Hi-mid band frequency selector. This switch selects the hi-mid band
frequency to be boosted or cut. When in the “off” position, the Q
position indicator light will not be lit.
11. Hi-mid Q position selector and indicator. This push button
switches between narrow, medium, and wide Q positions for the hi-mid
band. The green indicator light displays the selected Q position.
12. Hi-mid boost/cut knob. This pot will boost or cut the selected hi-mid
band frequency. The range of the boost/cut is +/- 15 db.
13. High band frequency selector. This switch selects the high band
frequency to be boosted or cut. When in the “off” position, the
peak/shelf filter indicator light will not be lit.
14. High frequency peak/shelf filter and indicator. This push button
switches between peak and shelf mode for the high band.
15. High band boost/cut knob. This pot will boost or cut the selected
high band frequency. The range of the boost/cut is +/- 15 db.
16. Power. When pushed in, power is delivered to the equalizer.
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NV Series Equalizer User’s Guide
Rear Panel Controls
1. Power. The NV series preamplifiers are shipped to operate on
standard 110 Vac. To operate the unit on 220 Vac, first remove fuse
and replace with correct size. Then turn the voltage select card over
and replace fuse into the NV series equalizer.
2. Patch. This patch jack is a 1/4" TRS (tip, ring, sleeve) type. The Tip
is return, the Ring is send, and the Sleeve is ground. The nominal
level is approximately –10 dBv and is designed specifically to interface
with a Great River Electronics MP-2NV or ME-1NV.
3. -10dBv Out. The unbalanced line level output is a 1/4" TS (tip,
sleeve) jack type. This output will drive a 600 ohm load.
4. Output. The balanced line level output jack is a male XLR type and
uses a standard XLR cable. Pin 2 is hot.
5. Line In. The balanced line level input jack is a female XLR type and
uses a standard XLR cable. Pin 2 is hot. By using the front panel
selectable switch, the input sensitivity can be selected from a nominal
+8 dBm level to an instrument level of –20 dBm, in the steps noted.
When the “MPI”, Mic preamp input, is enabled the equalizer will only
receive a signal from the TRS “patch point”.
Great River 2 Year Limited Warranty
The Great River Electronics Inc. 2 year limited warranty, effective from date
of purchase, applies to all Great River products purchased from authorized
dealers. Studio hardware components are warranted against defects in
materials and workmanship. Upon receipt of notice of defective materials or
workmanship, Great River shall, at its option, either repair or replace
hardware products that prove to be defective. The Great River warranty
does not apply to defects resulting from the following:
1. Improper or inadequate maintenance by the registered Buyer;
2. Unauthorized modification or misuse;
3. Buyer supplied interfacing;
The remedies provided herein are the Buyers sole and exclusive remedies.
In no event shall Great River Electronics Inc. be liable for direct, indirect,
special, incidental or consequential damages (including loss of profits)
whether based on contract, tort, or any other legal theory.
Great River Electronics Inc.
164 Hardman Avenue South
South Saint Paul, MN 55075, USA
Tel: 651.455.1846
Fax: 651.455.3224
