Ashly Comprehensive Operating Manual for SRA-120 Power Amplifier

Page 12

Operating Manual - SRA-120 Power Amplifier

12.SPECIFICATIONS

12.1Output Power:

Maximum Average Power, 0.1% THD, 1KHz

RMS Watts Per Channel, Both Channels Driven

8 ohms: 40W

4 ohms: 60W

Bridged Mono Mode:

8 ohms: 120W

FTC Continuous Power, 0.1% THD, 20Hz-20KHz

RMS Watts Per Channel, Both Channels Driven

8 ohms: 40W

4 ohms: 55W

12.2Frequency Response:

±0.2dB 20Hz - 20KHz

12.3Total Harmonic Distortion (35W/ch.):

.01% 1ΚΗz, 8Ω

.05% 20Hz-20KHz

12.4IM Distortion (35W/ch.):

(SMPTE): .01% 8Ω

12.5Output Hum And Noise:

(dB below full output 20Hz - 20KHz, unweighted) >100dB

12.6Damping Factor: >200 into 8Ω, <1KHz

12.7Full Power Input Sensitivity: switchable .775Vrms/.245Vrms

12.8Voltage Gain:

switchable 26.0dB/36.0dB

12.9Input Impedance: 20KW balanced

12.10Bandwidth:

100KHz

12.11Slew Rate:

20V/μS

12.12Rise Time:

2μS 10%-90%

12.13 Power Requirements:

110-125VAC, 50-60Hz (240V Available)

12.14Shipping Weight:

20 lbs.

Specification conditions are 120VAC 60Hz at 25°C.

13.WARRANTY POLICY

We thank you for your expression of confidence in Ashly products. The unit you have just purchased is protected by a limited five year warranty. To establish the warranty, you must first complete and mail the war- ranty card attached to your product.

Fill out the information below for your records.

Model Number _________________________________

Serial Number _________________________________

Dealer ________________________________________

Date of Purchase _______________________________

Dealer’s Address _______________________________

_______________________________________________

_______________________________________________

Dealer’s Phone _________________________________

Salesperson ____________________________________

OTHER INFORMATION:

_______________________________________________

_______________________________________________

_______________________________________________

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Contents Operating Manual Table Of Contents This Apparatus Must be Earthed AC Power Requirements IntroductionUnpacking Cable RequirementsRACK-MOUNTING Requirements Front Panel Features Rear Panel Features InputsBalanced Inputs Unbalanced InputsTypical Applications Stereo Playback Monitoring System Mono Operation in High Level Bi-Amped SystemTroubleshooting Tips Design TheoryNo Audio Output Distorted SoundDimensions Excessive Hiss NoiseExcessive Hum Noise Specifications Warranty PolicyOther Information Schematics SRA-120 Block Diagram and Wiring DiagramSRA-120 Channel One Schematic Diagram SRA-120 Channel Two Schematic Diagram SRA Rev
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SRA-120 specifications

The Ashly SRA-120 is a powerful and versatile power amplifier designed for professional audio applications. Known for its reliability and exceptional sound quality, the SRA-120 stands out in various settings, including live sound reinforcement, installed sound systems, and mobile audio installations.

One of the key features of the Ashly SRA-120 is its robust power output. It delivers 120 watts per channel at 8 ohms, making it suitable for driving a range of speakers effectively. The amplifier can also produce 200 watts per channel at 4 ohms, ensuring ample power for more demanding situations where higher speaker sensitivity and increased volume are required.

The SRA-120 incorporates advanced thermal management and protection systems, which allow the amplifier to operate reliably under extended use without overheating. This feature is especially important for professionals who rely on consistent performance during lengthy events or in commercial applications. Additionally, the unit is equipped with short circuit, DC, and thermal protection to safeguard both the device and the connected speakers.

Another notable technology found in the SRA-120 is its low noise operation. The amplifier employs sophisticated circuitry which minimizes distortion and unwanted noise, essentially delivering a clearer and more detailed audio signal. This characteristic is particularly beneficial in environments where audio quality is of the utmost importance, such as theaters, auditoriums, and conference rooms.

Control and connectivity options enhance the usability of the Ashly SRA-120. It features balanced XLR and 1/4-inch inputs, making it easy to connect to various mixing consoles and audio sources. The amplifier also provides both binding post and Speakon outputs, allowing for flexibility in speaker connections and ensuring compatibility with various speaker types.

In terms of construction, the SRA-120 boasts a rugged design, making it suitable for both portable and permanent installations. It is housed in a lightweight yet durable chassis that can withstand the rigors of travel and extensive use.

Overall, the Ashly SRA-120 represents an excellent choice for audio professionals seeking a reliable, high-quality power amplifier with essential features and advanced technology, all while maintaining exceptional audio fidelity and performance in any setting.