Ray Samuels Audio Emmeline SR-71B Fully Balanced Portable Headphone Amp
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Ships from | San Francisco , CA, 94110 |
Ships to | United States |
Package dimensions | unspecified |
Shipping carrier | unspecified |
Shipping cost | $10.00 |
Average | Research Pricing |
SR-71B Fully balanced, input-output, portable amp. SR-71B is the very first headphone amp of its kind. It implements Quad mono design topology using state of the art parts available in the market today. This makes SR-71B as compatible to the best of home base amps if not better.
When choosing balanced input, please make sure the INPUT SELECTOR toggle switch, on the back of the amp, is closer to the balanced connector. Selecting Single Ended input, the toggle switch should be closer to the SE input connector.
There are TWO mono Gain switches on the back panel, one for each channel. Each has three gain settings, High, Medium and low. Both of the gain switches have to point to the same gain selected, if not, the balance of the sound will vary in your headphones.
Both balanced connectors, input and output, have identical pins configurations. Left Channel PIN # 1 is POSITIVE PIN # 3 is NEGATIVE Right Channel PIN # 2 is POSITIVEPIN # 4 is NEGATIVE
SR-71B has four Lithium Ion battery pack. It is custom manufactured to our Specs and comes with one year Warranty. SR-71B has life time warranty. Please fully charge the amp before use. Red LED on the charger indicates the battery is charging. Green LEDon the charger indicates battery is fully charged.
Connecting SR-71B to a portable player with a single ended line out signal will provide both, a balanced output signal at the balanced headphone connector, due to the phase splitter circuitry, and the single ended output signal at the SE headphone jack.
If SR-71B is fed fully balanced signal from high quality CD player or DAC, it will process the balanced signal, all the way through, in balanced configuration via four independent channels and outputs fully balanced signals at the balanced connector. Single ended output is also active but provides SE signal at the SE headphone jack.
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