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Important Safety Instructions 

 
Before using your Stewart Audio Inc. Power Amplifier, please read this 

Owner’s Manual 

carefully to ensure optimum trouble-free perfor-

mance. 
 

WARNING: TO REDUCE THE RISK OF ELECTRICAL SHOCK, DO NOT EX-

POSE THIS AMPLIFIER TO RAIN OR MOISTURE. DANGEROUS HIGH 

VOLTAGES ARE PRESENT INSIDE THE ENCLOSURE. DO NOT OPEN THE 

CABINET. REFER  SERVICING TO QUALIFIED PERSONNEL ONLY.

    

 
 
 
 
 
 
 
 
 
 

 

The lighting bolt within arrowhead symbol, within an 
equilateral triangle, is intended to alert the user to the 
presence of un-insulated “dangerous voltage” within 
the product’s enclosure that may be of sufficient mag-
nitude to constitute a risk of electrical shock to person. 
 
The exclamation point within an equilateral triangle, is 
intended to alert the user to the presence of important 
operating and maintenance (servicing) instruction in the 
literature accompanying the appliance. 
 

 

1.  Read these instructions. All of the safety and operating proce-

dures should be read before the amplifier is installed or operated. 

2.  Keep these instructions. Retain these documents for future refer-

ence. 

3. Heed 

all 

warnings. 

All warnings on the amplifier and in these oper-

ating instructions should be adhered to. 

4. Follow 

all 

instructions 

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, 
DO NOT REMOVE COVER (OR BACK). NO USER-
SERVICEABLE PARTS INSIDE. REFER SERVICING TO 
QUALIFIED SERVICE PERSONNEL.

5.  Do not use this apparatus near water. For example, near a bathtub, 

in a wet basement, near a swimming pool, etc. This amplifier is  
intended to be operated in a controlled indoor environment. 

6.  Clean only with dry cloth. Do not use solvents or abrasive cleaners. 

Never pour any liquid on the amplifier. 

7.  Installation should be performed by a trained and licensed profes-

sional to insure safe and lasting operation. 

8.  Do not install near any heat sources such as radiators, heat regis-

ters, stoves, or other apparatus (including amplifiers) that produce 
heat. 

9.  Protect the power cord from being walked on or pinched particular-

ly at plugs, convenience receptacles, and the point where they exit 
from the apparatus. 

10. Unplug this apparatus during lightning storms or when unused for 

long periods of time. 

11.  Only use attachments/accessories specified by the manufacturer. 

12. Refer all servicing to qualified service personnel. Servicing is re-

quired when the apparatus has been damaged in any way, such as 
power-supply cord or plug is damaged, liquid has been spilled or 
objects have fallen into the apparatus, the apparatus has been ex-
posed to rain or moisture, does not operate normally, or has been 
dropped. 

13. The 24 Volt DC power supply that is supplied with the IntraSound 

System may be connected to 120 to 240 VAC, 50-60 Hertz. Do not 
defeat the ground polarization of the power plug. 

Summary of Contents for IntraSound System

Page 1: ...Owner s Manual IntraSound System www stewartaudio com February 2012 Level Input Input Port 1 Port 2 Port 3 Port 4 Output Power 24VDC IS HUB4 AUDIO STEWART Sig On ...

Page 2: ...IC SHOCK DO NOT REMOVE COVER OR BACK NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL 5 Do not use this apparatus near water For example near a bathtub in a wet basement near a swimming pool etc This amplifier is intended to be operated in a controlled indoor environment 6 Clean only with dry cloth Do not use solvents or abrasive cleaners Never pour any liquid on the...

Page 3: ...fier inside every node Clean full range dynamic power Signal Sense Technology for Energy Star Compliance Easy to install distributed audio solution External inline power supply 1 2 Using this Manual In order to obtain maximum performance from your IntraSound Sys tem please take time to read this brief owner s manual and carefully follow the guidelines for connection and operation This manual provi...

Page 4: ...t be the focus of this manual 2 1 System Components Dimensions 7 25in 18 4cm 1 5in 3 8cm Hub Side 1 5in 3 8cm 1 5in 3 8cm Level Input Input Port 1 Port 2 Port 3 Port 4 Output Power 24VDC IS HUB4 AUDIO STEWART Sig On Hub Front 2 5in 6 4cm 2 65in 6 75cm 1 2 3 4 5 6 2 65in 6 75cm 1 0in 2 5cm Node Top Node Side Gain Watts Max Nodes 1 2 3 4 5 6 Channel Switches Amp Output gain channel 2 2 Example Syste...

Page 5: ...n power supply please contact your local sales rep for details 3 2 Node Installation The IS AmpNode 10 contains a single channel micro amplifier capable of delivering up to 10 watts of power to a single speaker If you have purchased the IS SP4 speakers as a part of your IntraSound system the amplifier can be secured into the top of the speaker To secure the amplifier node place the node on top of ...

Page 6: ...using the DIP switches on the front of the unit Using the table printed on the top of the node or provided for you on the left adjust the first 2 DIP switches to the desired setting Note Each port from the hub is capable of supplying 20W each This means that the higher the gain setting the few er units you can daisy chain Refer to the table below Channel Configuration When the signal is sent down ...

Page 7: ...n Cat5 ca ble to the amplifier nodes All power and system volume can be con trolled on the IS HUB4 Two LED indicators on the left hand side of the IS HUB4 will illuminate when power is supplied Power LED blue and when signal is detect ed on either input Sig LED green If the nodes are not outputting any audio first check to make sure that both of these LEDs are illuminated Note When the IS HUB4 goe...

Page 8: ...he power indicator is lit on the hub if not then see the corresponding Troubleshooting entry If this does not resolve the issue then double check the Cat5 cable going from the hub to the amplifier node Replace this cable if possible If this is not the issue then ensure that you are not stringing too many nodes on a line Refer to section 3 2 2 for more information on this Problem Amplifier Node is ...

Page 9: ...nt with your unit 7 Warranty Information 6 1 Warranty Summary All Stewart Audio amplifiers and accessories unless excluded in this summary are covered by a 3 year limited warranty on parts and labor from the date of purchase In order to be eligible for warranty repairs the amplifiers and accessories must have been purchased through an authorized Stewart Audio dealer and submitted by the original p...

Page 10: ...repair If you do not have the origi nal box see number 4 4 If you provide your own shipping pack the minimum recommend ed requirements for materials are as follows a 275 P S I burst test Double Wall carton that allows for 2 inch solid Styrofoam on all six sides of unit or 3 inches of plastic bubble wrap on all six sides of unit b Securely seal the package with an adequate carton sealing tape c Do ...

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