Nady Systems DJ Equipment SDR 260 User Manual

O W N E R ’ S M A N U A L  
SDR-260  
STEREO DIGITAL REVERBERATOR  
 
WARNING  
An equilateral triangle enclosing a lightening flash/arrowhead symbol is  
intended to alert the user to the presence of uninsulated dangerous  
voltagewithin the products enclosure which may be of sufficient  
magnitude to constitute a risk of electric shock.  
ATTENTION: RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR  
An equilateral triangle enclosing an exclamation point is intended to alert  
the user to the presence of important operating and service instructions in  
the literature enclosed with this unit.  
IMPORTANT SAFETY INSTRUCTIONS  
When using this electronic device, basic precautions should always be taken, including the following:  
1. Read all instructions before using the product.  
2. Do not use this product near water (e.g., near a bathtub, washbowl, kitchen sink, in a wet basement, or near a  
swimming pool, etc.).  
3. This product should be used only with a cart or stand that will keep it level and stable and prevent wobbling.  
4. This product, in combination with headphones or speakers, may be capable of producing sound levels that  
could cause permanent hearing loss. Do not operate for a long period of time at a high volume level or at a  
level that is uncomfortable. If you experience any hearing loss or ringing in the ears, you should consult an  
audiologist.  
5. The product should be positioned so that proper ventilation is maintained.  
6. The product should be located away from heat sources such as radiators, heat vents, or other devices  
(including amplifiers) that produce heat.  
7. The product should be connected to a power supply only of the type described in the operating instructions or  
as marked on the product. Replace the fuse only with one of the specified type, size, and correct rating.  
8. The power supply cord should: (1) be undamaged, (2) never share an outlet or extension cord with other  
devices so that the outlet’s or extension cord’s power rating is exceeded, and (3) never be left plugged into  
the outlet when not being used for a long period of time.  
9. Care should be taken so that objects do not fall into, and liquids are not spilled through, the enclosure’s  
openings.  
10. The product should be serviced by qualified service personnel if:  
A.  
B.  
The power supply cord or the plug has been damaged.  
Objects have fallen into, or liquid has been spilled onto the product.  
C. The product has been exposed to rain.  
D. The product does not appear to operate normally or exhibits a marked change in performance.  
E.  
The product has been dropped, or the enclosure damaged.  
11. Do not attempt to service the product beyond what is described in the user maintenance instructions. All  
other servicing should be referred to qualified service personnel.  
3
 
INSTALLATION  
To ensure years of enjoyment from your NADY AUDIO SDR-260, please read and understand this manual thoroughly before  
using the unit.  
INSPECTION  
Your NADY AUDIO SDR-260 was carefully packed at the factory in packaging designed to protect the units in shipment.  
Before installing and using your unit, carefully examine the packaging and all contents for any signs of physical damage  
that may have occurred in transit.  
[Please note: Nady Systems is not responsible for shipping damage. If your unit is damaged, do not return to Nady, but  
notify your dealer and the shipping company (if shipped to you) immediately to make a claim. Such claims must be made  
by the consignee in a timely manner.]  
CONTENTS  
Instruction manual  
SDR-260 (verify that the units serial number is same as shown on shipping carton)  
AC Power cord  
Warranty Card  
RACK MOUNTING  
The SDR-260 fits into one standard 19rack unit of space (1 3/4). Parts of the unit can become very warm during use.  
This is normal during operation. Care should be taken to ensure that there is enough space around the unit for cooling (at  
least 12or 30cm). Do not place the SDR-260 on high temperature devices such as power amplifiers, etc., or the unit may  
overheat in operation. Also, do not place the unit on speakers as this may cause them to move and/or fall due to speaker  
vibrations.  
Although the units chassis is shielded against radio frequency (RF) and electromagnetic interference (EMI), extremely  
high fields of RF and EMI should be avoided.  
POWER CONNECTION  
The SDR-260 has an internal power supply and is designed to operate from an external AC source. Power requirements  
for electrical equipment differ from area to area. Be sure to confirm that the voltage selected by the voltage selector switch  
on the back panel is proper for your area (120VAC/60 Hz or 230VAC/50Hz) per the information below:  
Europe (except UK): 230V, 50Hz  
UK and Australia: 240V, 50Hz  
USA and Canada: 120V, 60 Hz  
For other areas, please check with local authorities.When ready to operate, plug the AC cord into the power source. Make  
sure that the unit is turned off before connecting to the AC power source to avoid possible loud transients that can  
damage your speakers or your ears, especially when monitoring with headphones.  
LEGAL INFORMATION  
NOTICE  
The information in this document is subject to change, as the Company may make changes to product in order to improve  
reliability, design, or function, without prior written notice. No part of this manual may be reproduced or transmitted in any form  
or by any means without the written permission of the company.  
IN NO EVENT WILL THE COMPANY BE LIABLE FOR SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES,  
WHETHER ARISING DIRECTLY OR INDIRECTLY, SUCH AS LOSS OF PROFIT OR GOOD WILL, THAT MAY BE  
SUFFERED IN CONNECTION WITH THE PURCHASE OF THIS PRODUCT OR FROM THE BREACH OF ANY  
REPRESENTATION OR WARRANTY.  
LICENSE  
The Company grants the customer a non-exclusive, non-transferable license to use the software, if any, accompanying this  
product for internal use on a single computer system. The end user may make a single copy of the software solely for backup  
purposes; otherwise, no copies may be made of the software or any part thereof. No other license of any kind is granted to  
any part of the product or any of the intellectual property therein.  
4
 
CONTROLS AND CONNECTIONS  
(3)  
FRONT PANEL  
(7)  
(6)  
(4)  
(1) (2)  
(5)  
1. INPUT GAIN CONTROL  
Adjusts the input level of the audio signal to the unit.  
4. PUSH & ROTARY CONTROL KNOB  
This is the tool used to control the SDR-260  
2. INPUT LEVEL DISPLAY  
This 4-segment bargraph displays the input level. The clip  
LED's will light at 3dB below clipping.  
5. PARAMETER EDIT INDICATORS  
Each indicator will light when the corresponding parameter is  
being displayed - Delay/Reverb/HI Patio/Early Reflection  
Level.  
3. VALUE INDICATOR  
Whenever the SDR-260 is powered up, this displays the last  
chosen effect number. In use, the display indicates different  
alphanumeric information, depending on the mode selected.  
In NORMAL MODE it indicates which of the 255 effects  
(1-255) has been selected.  
6. STORE INDICATORS  
This indicator will light when in STORE MODE  
7. POWER SWITCH  
Use this switch to power unit ON or OFF. The integrated  
LED will light when the unit is ON. Before turning on this unit,  
verify connection to the proper voltage AC source, check all  
connections and turn down the level controls of equipment  
connected to the outputs.  
In EDIT MODE it indicates the editable value of the  
parameter (0-127).  
In EQ MODE it indicates the editable value of the  
parameter (0-127).  
In STORE MODE it indicates the address (1-20) being  
saved.  
In LOAD MODE it indicates address (1-20) being  
loaded.  
(13)  
(12)  
REAR PANEL  
MIDI IN  
OUTPUTS  
INPUTS  
AC115V  
POWER INPUT:  
AC115V/230V  
-10dB  
+4dB  
-10dB  
+4dB  
FUSE:  
0.5A, F, 250V  
WARNING:  
TO REDUCE THE RISK OF FIRE OR  
SERIAL  
AC230V  
ELECTRONIC SHOCK, DO NOT EXPOSE  
THIS EQUIPMENT TO RAIN OR MOISTURE  
RIGHT  
LEFT  
RIGHT  
LEFT  
RIGHT  
LEFT  
RIGHT  
LEFT  
(11)  
(8) (9)  
(10)  
(14)  
10. MIDI INPUT PORT  
Receives MIDI Program Messages on MIDI Channel 1.  
8. AC POWER CORD IEC CONNECTOR WITH  
INTEGRATED FUSE HOLDER  
This standard IEC power cord receptacle is used to connect  
the AC power to your unit. It features a built-in fuse holder for  
a 5X20mm, 0.5A/250V slow-blow fuse. If the fuse  
continuously blows, shut of the unit and have it serviced by  
qualified service personnel.  
11. INPUTS  
Unbalanced 1/4" (6.3mm) and balanced XLR inputs for both  
left and right channels.  
12. INPUTS LEVEL SWITCH  
Switches between 10dB and +4dB input level attenuation.  
9. AC VOLTAGE SELECT SWITCH  
Before plugging in the power cord, check to see that the unit  
is set for the proper voltage for your area: ~115V (60Hz) or  
~230V (50Hz).  
13. OUTPUT LEVEL SWITCH  
Switches between 10dB and +4dB output level attenuation.  
(Note: use at the improper voltage can damage your unit and  
void the warranty.)  
14. OUTPUTS  
Unbalanced 1/4" (6.3mm) and balanced XLR outputs for both  
left and right channels.  
5
 
OPERATION  
GETTING STARTED  
CUSTOM EFFECTS  
Set the INPUT VOLTAGE SELECT SWITCH (8) for either  
~115V(60Hz) or ~230V(50Hz) AC power. Attach the power  
cord and plug it in.  
Custom effects are modified preset programs. There are 60  
locations for storing custom effects. Enter the Edit mode by  
holding the ROTARY CONTROL KNOB (6) in for 3 seconds.  
The display will show the value of the program parameter.  
Rotating the knob will raise or lower the program sub-  
category parameter value. Pressing the knob quickly will cycle  
the sub-categories DELAY (1-250mS), REV (1-99%), HI-  
PATIO (0.1-1.0), ER-LVL (1-99). After adjusting the parameter  
values for the desired sound the custom effect can be stored.  
Holding the knob in for 3 seconds will enter STORE mode.  
The Save LED and the Uwill flash; rotate the knob to select  
the storage location [U1-U60]. To complete the STORE  
process, Hold the knob in for 3 seconds, the STORE LED will  
blink twice indicating the changes have been stored. To  
cancel the STORE process press and release the knob  
quickly.  
Connect the Input and Output signals from the SDR-260 to  
your audio system with the appropriate XLR balanced or 1/4”  
unbalanced INPUT and OUTPUT JACKS (11, 13, 14, 16),  
depending on the type of cable and connectors youre using.  
For Mono input use the Left channel input connector. XLR  
output is disconnected when output 1/4jack is inserted.  
Turn the POWER SWITCH (7) On. You will see the preset  
Program number [P 1] on the VALUE INDICATOR (3).  
ADJUSTING LEVELS  
Adjust the INPUT GAIN CONTROL (1) for the highest setting  
without the red top L/R LED indicators of the INPUT LEVEL  
DISPLAY (2) staying on continuously. Occasional flickering of REMOTE CONTROL USING MIDI  
these red LED indicators is normal.  
Connect the SDR-260 to the MIDI controller via the rear panel  
MIDI INPUT (10) connector.  
The INPUT LEVEL SWITCH (15) and OUTPUT LEVEL  
SWITCH (12) are provided to adjust the levels for the  
optimum performance. Adjust the level controls to minimum  
noise and distortion while operating with the components of  
your sound system.  
Receives MIDI Program Messages on MIDI Channel 1.  
Prgm Mess. 1-60 for Preset Programs 1-60  
Prgm Mess. 61-120 for User Programs 1-60  
Prgm Mess. 121 for Bypass Mode  
MODE SELECTION  
Pressing the ROTARY CONTROL KNOB (6) quickly will cycle  
the modes from PPreset programs [P1-P60], to UUser  
programs [U1-U60] where custom programs are stored, to  
finally PAS where the effects are bypassed.  
BYPASS EFFECTS  
The effects are disabled in the PASmode.  
SELECTING EFFECTS  
In the Preset programs mode there are 60 preset effects,  
select one by rotating the ROTARY CONTROL KNOB (6)  
through the sixty choices. Stop at the desired choice and the  
audio will mute briefly while the program is loaded. See  
Preset PROGRAM LISTING of effects on the front panel.  
In the User mode there are 60 locations for custom effects,  
select one by entering the User mode and rotating the knob  
through the sixty choices.  
6
 
PRESET PROGRAM LIST  
#
NAME  
#
NAME  
Hall Effects  
Room Effects  
1
2
3
4
5
6
7
8
9
10  
11  
12  
13  
14  
15  
Large Hall 1  
Large Hall 2  
Large Hall 3  
Slap Hall 1  
Slap Hall 2  
New Hall  
Gated Hall  
Dark Hall  
Church 1  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
41  
42  
43  
44  
Bright Reflections  
Live Room 1  
Live Room 2  
Live Room 3  
Live Room 4  
Studio  
Plate 1  
Plate 2  
Bright Room 1  
Bright Room 2  
Small Room  
Gated Room 1  
Gated Room 2  
Gated Room 3  
Church 2  
Medium Hall 1  
Medium Hall 2  
Small Hall 1  
Small Hall 2  
Small Hall 3  
Echo Effects  
Vibrato Effects  
45  
46  
47  
48  
49  
Echo Vocal  
Short Delay  
Stereo Long Delay  
Stereo Medium Delay  
Stereo Short Delay  
16  
17  
18  
19  
20  
Vibrato  
Vibrato Reverb 1  
Vibrato Reverb 2  
Vibrato Reverb 3  
Vibrato Reverb 4  
Flanger Effects  
50  
51  
52  
53  
54  
55  
56  
57  
Flange Room 1  
Flange Room 2  
Flange Room 3  
Flange Room 4  
Flange Room 5  
Flange Reverb 1  
Flange Reverb 2  
Flange Reverb 3  
Chorus Effects  
21  
22  
23  
24  
Chorus  
Chorus Reverb 1  
Chorus Reverb 2  
Chorus Reverb 3  
Pitch Shift Effects  
25  
26  
27  
Pitch Shift 1  
Pitch Shift 2  
Pitch Shift 3  
Stage Effects  
58  
59  
60  
Stage 1  
Stage 2  
Stage 3  
Concert Effects  
28  
29  
30  
Concert 1  
Concert 2  
Concert 3  
SPECIFICATIONS  
ANALOG AUDIO INPUTS (Needs to be corrected and updated)  
Connectors ......................XLR and 1/4jack  
DISPLAYS  
Type..................................3-digit alphanumeric LED display and individual  
Type..................................RF filtered, servo balanced input  
Impedance ......................60K balanced, 30K unbalanced  
status LED indicators  
POWER SUPPLY  
Power requirement ..........Selectable, ~100-120VAC,  
ANALOG AUDIO OUTPUTS  
Connectors ......................XLR and 1/4jack  
~200-240VAC, 50-60 Hz  
Type..................................Electronically servo-balanced output stage  
Impedance........................60 balanced, 30 unbalanced  
Power Consumption ........Max. 10 Watts  
Fuse..................................100-120 VAC: 630 mA (slow-blow)  
200-240 VAC: 315 mA (slow-blow)  
5X20mm glass type  
Power cord connector ......Standard IEC receptacle  
with built-in fuse holder  
SYSTEM SPECIFICATIONS  
Bandwidth ........................18 kHz to 20 kHz, ±3 dB  
Noise ..............................> 94 dBu, unweighted, 20 Hz to 20 kHz  
PHYSICAL  
MIDI INTERFACE  
Type.................................. 5-Pin-DIN-Socket, Input  
Dimensions ......................1.75x 19x 7.5(44.5 x 483 x 191mm)  
Weight ..............................7.5 lbs (3.40Kg)  
DIGITAL PROCESSING  
A/D & D/A Converters ......24-bit Sigma-Delta, 64/128-times oversampling  
Sampling Rate..................44.1 kHz  
The specifications above are correct at the time of printing of this manual. For improvement purposes, all specifications for this unit, including design  
and appearance, are subject to change without prior notice.  
7
 
SERVICE FOR YOUR NADY AUDIO PRODUCT  
(U.S.) Should your NADY AUDIO product require service, please contact the Nady Service Department via  
telephone at (510) 652-2411, or e-mail at [email protected].  
(International) For service, please contact the NADY AUDIO distributor in your country through the dealer from  
whom you purchased this product.  
DO NOT ATTEMPT TO SERVICE THIS UNIT  
YOURSELF AS IT CAN BE DANGEROUS  
AND WILL ALSO VOID THE WARRANTY.  
NADY SYSTEMS, INC. 6701 SHELLMOUND STREET, EMERYVILLE, CA 94608  
Tel: 510.652.2411 Fax: 510.652.5075 www.nady.com  
 

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