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Summary of Contents for Emotiva SA-250
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Page 3: Important Safety Precautions And Explanation Of Symbols
Do not install the SA-250 on any stand, shelf, or other piece of furniture that is unable to support its weight. If a cart is used to move the unit, use caution to avoid injury from tip-over. - Page 4 Only replace the fuse(s) in the SA-250 with fuse(s) of proper value and voltage rating. The SA-250 should only be cleaned as directed in the manual. Avoid spraying liquids directly onto the unit and NEVER spray liquids into the vents. Care should be taken so that small objects do not fall into the inside of the unit.
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Page 5: Table Of Contents
Rear Panel Inputs and Controls ................10 Quick Start ........................12 Connections ........................13 Configuration and Operation ................... 15 Care and Maintenance ....................16 Specifications ........................17 Troubleshooting ......................20 Emotiva Audio Corporation Limited Warranty ........... 21 Accessories ........................23 Notes ..........................24 Page 1... - Page 6 Page 2...
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Page 7: Introduction
The SA-250 was designed to be the the flagship amplifier for a new line of super-high-end studio equipment. Although it inherits its short signal path Class A/B architecture from our audiophile equipment, the SA-250 incorporates several circuit refinements and additions that raise its performance to a whole new level. -
Page 8: About This Manual
About This Manual About This Manual This manual will provide you with the information you need to get started enjoying your SA-250 stereo power amplifier. We suggest that you read through the entire manual; we kept things as short and direct as possible. -
Page 9: Features
Independent input selection for each channel - lets you independently configure each channel to use the balanced or unbalanced input for maximum flexibility. • Independent gain selection for each channel - lets you match the SA-250 perfectly to a wide variety of other equipment. •... -
Page 10: Unpacking
Unpacking Unpacking Your SA-250 was carefully packed and should reach you in perfect condition. If you notice any shipping damage or other issues when you unpack it, please contact Emotiva immediately. Gently remove your SA-250 from the packing carton and remove all wrappings and shipping material. -
Page 11: Front Panel
Front Panel 1. standby Button Press this button to switch the SA-250 from Standby to On; press it again to return to Standby. Note: for the sA-250 to operate, the rear panel AC power switch must be on. 2. standby Indicator lED This LED illuminates red when the SA-250 is in Standby;... -
Page 12: Rear Panel
12 VDC signal is sent from the Trigger Output to control other devices. 3. AC power switch Switches the main AC power to the SA-250 On and Off. When this switch is Off, no controls operate (the SA-250 cannot be turned On from the front panel or by a trigger signal). - Page 13 7. IEC power Cord Receptacle Accepts a standard removable IEC AC power cable (a high-quality commercial power cable is included). Note: The sA-250 uses a two-pin IEC power receptacle; both two-wire and three wire IEC power cables may be used with it. Page 9...
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Page 14: Rear Panel Inputs And Controls
Rear Panel Inputs and Controls Rear Panel Inputs and Controls CHANNEL 1 CHANNEL 2 UN-BALANCED BALANCED BALANCED UN-BALANCED INPUT SELECT INPUT SELECT 23dB 29dB 23dB 29dB GAIN GAIN LIFT LIFT GROUND GROUND SPEAKER OUTPUT SPEAKER OUTPUT Note: The location of the Balanced and Unbalanced Input connectors, and the operating positions of the Input selector switches, are mirror images for the left and Right channels (Channel 1 and Channel 2);... -
Page 15: Ground Lift Switch
When this switch is in the Ground position (the position with the circuit ground symbol), the input circuit ground of the SA-250 is connected directly to chassis ground. When this switch is in the Lift position, input ground is connected to chassis ground through a 10 ohm resistor. Normally this switch is left in the Ground position;... -
Page 16: Quick Start
Quick Start Quick Start To get the most from your SA-250, we urge you to read the entire manual. If you just can’t wait to listen to it, this section will cover the basics you need to get started. •... -
Page 17: Connections
(If you do so, since you will be using the balanced input, even though your input signal is unbalanced, you should still set the switch to the Balanced position. DO NOT connect a digital signal to the inputs of your SA-250 (or you may damage it or your speakers). - Page 18 SA-250 will return to Standby mode. The Trigger Output sends out 12 VDC whenever the main power to the SA-250 is On (and NOT when the SA-250 is in Standby mode) which can be used to switch on other units with trigger capabilities.
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Page 19: Configuration And Operation
Configuration and Operation line Voltage The SA-250 can operate from line voltages of 115 VAC +/- 10% or 230 VAC +/- 10%. Be sure to select the correct line voltage for your area using the Input Voltage switch on the rear panel of the SA-250. -
Page 20: Care And Maintenance
If necessary, the SA-250 should be cleaned gently with a soft rag. • If something sticky gets on the front panel or case of the SA-250, it should be cleaned with a mild cleaning solution applied to a soft rag, followed by wiping with a clean rag dampened with plain water and drying with a soft dry rag or cloth. -
Page 21: Specifications
Specifications Specifications Topology: Fully discrete, dual differential, high current, short signal path Class A/B. Number of Channels: power output (rated power): 250 watts RMS per channel @ < 0.08% THD; both channels driven; into 8 Ohms. 400 watts RMS per channel @ < 0.1% THD; two channels driven; into 4 Ohms. Rated power Bandwidth (at rated power;... -
Page 22: Power Supply
Specifications power supply: 80,000 uF total storage capacitance; 40,000 uF of separate storage capacitance per channel. 1200 VA heavy duty toroidal transformer with dual secondary windings. Input sensitivity (for rated power; 8 ohm load): 3.2 V Gain: User selectable; per channel; 23 dB or 29 dB. Note: measurements / tests run with gain set to 23 dB. - Page 23 Specifications protection: The SA-250 is protected against excessive operating temperature, shorted speaker connections, ground faults, and other common fault conditions. Dimensions: 17” wide x 5.75” high x 19-1/2” deep; unboxed (includes feet and binding posts). 23” wide x 11” high x 25” deep (boxed).
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Page 24: Troubleshooting
Problem: The Standby LED is lit red and the SA-250 fails to come on when triggered. Reason: The SA-250 is in Standby mode and should respond to a valid trigger signal. -
Page 25: Emotiva Audio Corporation Limited Warranty
Warranty Emotiva Audio Corporation Limited Warranty What does this warranty cover? Emotiva Audio Corporation (“Warrantor”) warrants its products against defects in materials and workmanship. how long does this coverage last? This warranty commences on the date of retail purchase by the original retail purchaser and... - Page 26 In order to make a claim under the warranty, you must: 1. Call or email a customer service representative at 1-877-EMO-TECH (1-877-366-8324) or support@emotiva.com. Provide a description of your problem and the serial number of the product for which the warranty claim is being made.
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Page 27: Accessories
Using high-quality speaker cables and audio interconnects will ensure that you get the best sound quality and maximum reliability from your SA-250 amplifier and the speakers connected to it. Emotiva Audio offers high-quality speaker cables and audio interconnects that feature solid engineering, premium build quality, excellent performance, and reasonable cost. -
Page 28: Notes
Notes Notes All information contained in this manual is accurate to the best of our knowledge at the time of publication. In keeping with our policy of ongoing product improvement, we reserve the right to make changes to the design and features of our products without prior notice. User Manual Revision 1.1 December 2014 Page 24...
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