Instruction/ maintenance manual of the product Preamplifier KRC 2 Krell Industries
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A. INTRODUCTION Thank you for your purchase of the KRELL KRC-2. remote control preamplifier. The KRC-2 combines the latest eV.olutions in preamL~lifier technology with a radical approacla to remote control circuitry. The-KRC-2 is part oI" a new gener.
B. TABLE OF CONTENTS 4 5 6 8 10 11 14 15 UNPACKING AND ASSEMBLY BASIC INSTALLATION AND OPERATION INPUT AND OUTPUT CONNECTIONS BASIC PREAMPLIFIER OPERATION REMOTE CONTROL QUESTIONS AND ANSWERS SPECIFIC.
C. UNPACKING AND ASSEMBLY 1. Open the box and remove the top layer of foam. The KRC-2 and following items will now be visible: KRC-2 remote control Warranty card AC power cord Owner’s Reference NOTE: If any of these items are not included please contact your authorized dealer immediately f6r assis- tance.
D. BASIC INSTALLATION AND OPERATION 1. Place the unit on a firm level surface free from exces- sive dirt or moisture..The KRC-2 is not particularly hum sensitive, therefore other components can be placed on or around the KRC-2. 2. If you are using the separate.
E. INPUT AND OUTPUT CONNECTIONS CAUTION: When making connections to this component or any other, make sure tlie power amplifier is OFF. CAUTION: Make sure all cable terminations are of the highest quality, free from frayed ends, shorts or cold solder joints.
REAR PANEL DESCRIPTION INPUTS Four single-ended inputs via standard RCA connectors S1 $2 $3 $4 Two balanced inputs via standard XLR connectors B1 B2 TAPE Tape input via standard RCA connectors TAPE OU.
F. BASIC PREAMPLIFIER OPERATION The KRC-2 has the flexibility of a remote controlled device but does not require special attention in order to . perform simple functions. Tile KRC-2 will function much fike other K/ell preamplifiers.The unit can be operated from the front panel controls or via the remote control.
Basic Operation: 1. Press the Mute button briefly on the KRC-2. 2. Turn the volume control fully counterclockwise to the Off position, no LED’s illuminated. 3. Turn the power amplifier On. 4. Choose a listening source and .select that input by pushing the corresponding input button on the KRC-2.
FRONT PANEL DESCRIPTION INPUT SELECTION S 1 selects S 1 input $2 selects $2 input $3 selects $3 input B 1 selects B 1 input B2 selects B2 input FUNCTIONS TAPE selects Tape i~nput and allows monitoring ot Tape return.
G. REMOTE CONTROL 1. When a function button on the remote control is ~ssed, the blue pilot LED will flash on the KRC-2. en the button is released the flashing stops.
H. OUESTIONS AND ANSWERS .Q. When I turn up the volume on the KRC-2 a loud hum is present from ttie loudspeakers. What could it be? A. Hum can be caused by_ several different disturbances. Check to make sure all of the cables in and out of the KRC-2 are sound and making proper contact.
Q. Why do I have. to turn up the volume so high to get music at a normal listening level? A. If your system does not seem .to have enough gain over all, you are probab~ly not utilizing the balanced input or output capabihties ot the KRC-2. For every balanced termination on the KRC-2 yo.
I. SPECIFICATIONS GAIN 6dB orl 2dB SIGNAL-TO-NOISE < ,95 dB unweighted THD 1K < 0.02% 20K < 0.02% INPUT IMPEDANCE 47,000 ohms(47K) OUTPUT IMPEDANCE 10 ohms OUTPUT VOLTAGE 16 volts R.
J. WARRANTY AND SERVICE INFORMATION There are no user-serviceable parts inside the KRC-2. The KRC-2 has a limitecl warranty of fiv.e years parts and labor. Return freight is included in tlae warranty. The warranty, per!od, begins on ~the date of purchase and is activated witla tlae return ot the enclosed Warra.
l l 1 KRELL INDUSTRIES I 45 Connair Road Orange, Ct USA 06477-3650.
An important point after buying a device Krell Industries Preamplifier KRC 2 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Krell Industries Preamplifier KRC 2 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 Krell Industries Preamplifier KRC 2 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Krell Industries Preamplifier KRC 2 you will learn all the available features of the product, as well as information on its operation. The information that you get Krell Industries Preamplifier KRC 2 will certainly help you make a decision on the purchase.
If you already are a holder of Krell Industries Preamplifier KRC 2, 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 Krell Industries Preamplifier KRC 2.
However, one of the most important roles played by the user manual is to help in solving problems with Krell Industries Preamplifier KRC 2. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Krell Industries Preamplifier KRC 2 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
