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S Class Signal Processors
4 CHANNEL STEREO HEADPHONE AMP
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Table Of Contents Introduction and Features 3 Front and Rear Panel Layout 4 Operating the S amp 5-6 Typical Set-Up 6 Headphone Impedance and Sensitivity Ratings 7 Specifications 8 Copyright 2003, Samson Technologies Corp. Printed January 2003 Samson Technologies Corp. 575 Underhill Blvd. P.O. Box 9031 Syosset, NY 11791-9031 Phone: 1-800-3-SAMSON (1-800-372-6766) Fax: 516-364-3888 www.samsontech.com
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S amp Introduction and Features Introduction Thank you for purchasing the S amp miniature headphone monitor system from Samson Audio! S amp provides an elegant solution for headphone monitoring, either on stage or in the studio. The S amp is a specially designed headphone amplifier that allows you to control the level balance between four sets of headphones. Providing unusually high power levels and superb audio fidelity, the S amp is compatible with virtually all popular headphone models. And j
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S amp Front and Rear Panel Layout Front Panel Layout 1 2 3 4 5 1LEVEL 1 - Control knob used to 3LEVEL 3 - Control knob used to adjust the output level of adjust the output level of Headphone 1. Headphone 3. 4LEVEL 4 - Control knob used to 2LEVEL 2 - Control knob used to adjust the output level of adjust the output level of Headphone 4. Headphone 2. 5 STEREO INPUT - 1/4-inch TRS (TIP/ RING/SLEEVE) connector to input main stereo signal. Rear Panel Layout A B CD E F 8 ADCPOWER INPUT- Connect the su
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Operating the S amp The basic procedure for setting up and using your S amp is simple and takes only a few minutes. Remove all packing materials (save them in case of need for future service) and check to make sure that you remove the supplied AC power adapter. IMPORTANT NOTE: Before you install the headgear, be sure to double check that the MIC and STEREO level controls are turned to the all the way down (fully counter clockwise position). The S amp is small, but powerful. It can generate loud
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Operating the S amp Repeat the previous step for all Channels that have headphones connected, making sure to start the LEVEL knob completely counterclockwise and then slowly raising it until the desired level is achieved. If you have connected different models of headphones to the various Channel Headphone jacks, you may find that some require more gain than others to achieve the same volume. This kind of disparity will occur if the various headphones have different impedances. The lower the imp
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Headphone Impedance and Sensitivity Ratings Virtually all headphones that terminate in a stereo 1/4" plug can be used with the S amp Headphone Amplifier. This chart provides a partial listing of some of the more popular models, along with their impedance and sensitivity ratings. As described on page 4 of this manual, headphones with lower impedances (or higher sensitivity) will sound louder as compared to other, higher impedance (or lower sensitivity) headphones at the same chan- nel Volume set
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S amp Specifications Input Impedance: 100K Ω unbalanced Max Input Level: +19 dBV Input Connectors: Stereo 1/4” TRS phone Outputs: (4) 1/4” Stereo 1/4” Output Impedance: 100 Ω each output Max Gain: 20 dB/Channel S/N Ratio: >90 dB THD: <.005% IMD (SMPTE) <.005% Power: 18 VDC adapter Dimensions: 5.65” L x 4.13” W x 2” H (144mm L x 105mm W x 51mm H) Weight: 16.5 oz., 419 gm. Samson Technologies Corp. 575 Underhill Blvd. P.O. Box 9031 Syosset, NY 11791-9031 Phone: 1-800-3-SAMSON (1-800-372-6766) Fa
