Instruction/ maintenance manual of the product RA53b Rolls
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RA53b Ster eo Headphone Ampli er Quick Start Guide ROLLS CORPORA TION SAL T LAKE CITY , UT AH 06/201 1 PS12 12V AC www.rolls.com SPECIFICA TIONS Input Impedance: 10 K ohms Max Input Level: +18 dBV Max Gain: 26 dB per channel Output P ower: 221 mW per side, 442 mW per channel (@ 32 Ohms) Output Impedance: 10 Ohms S/N Ratio: >90 dB THD: <.
INTRODUCTION Thank you f or your purchase of the Rolls RA53b Stereo Headphone Ampli er . This unit was designed to pro vide years of dependable ser vice. Please read this manual car efully to ensure proper operation. The RA53b is a ve- channel headphone/earphone ampli er with a variety of input options.
An important point after buying a device Rolls RA53b (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Rolls RA53b yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Rolls RA53b - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Rolls RA53b you will learn all the available features of the product, as well as information on its operation. The information that you get Rolls RA53b will certainly help you make a decision on the purchase.
If you already are a holder of Rolls RA53b, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Rolls RA53b.
However, one of the most important roles played by the user manual is to help in solving problems with Rolls RA53b. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Rolls RA53b along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
