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Krell Industries KAV2250 manual

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Buen manual de instrucciones

Las leyes obligan al vendedor a entregarle al comprador, junto con el producto, el manual de instrucciones Krell Industries KAV2250. La falta del manual o facilitar información incorrecta al consumidor constituyen una base de reclamación por no estar de acuerdo el producto con el contrato. Según la ley, está permitido adjuntar un manual de otra forma que no sea en papel, lo cual últimamente es bastante común y los fabricantes nos facilitan un manual gráfico, su versión electrónica Krell Industries KAV2250 o vídeos de instrucciones para usuarios. La condición es que tenga una forma legible y entendible.

¿Qué es un manual de instrucciones?

El nombre proviene de la palabra latina “instructio”, es decir, ordenar. Por lo tanto, en un manual Krell Industries KAV2250 se puede encontrar la descripción de las etapas de actuación. El propósito de un manual es enseñar, facilitar el encendido o el uso de un dispositivo o la realización de acciones concretas. Un manual de instrucciones también es una fuente de información acerca de un objeto o un servicio, es una pista.

Desafortunadamente pocos usuarios destinan su tiempo a leer manuales Krell Industries KAV2250, sin embargo, un buen manual nos permite, no solo conocer una cantidad de funcionalidades adicionales del dispositivo comprado, sino también evitar la mayoría de fallos.

Entonces, ¿qué debe contener el manual de instrucciones perfecto?

Sobre todo, un manual de instrucciones Krell Industries KAV2250 debe contener:
- información acerca de las especificaciones técnicas del dispositivo Krell Industries KAV2250
- nombre de fabricante y año de fabricación del dispositivo Krell Industries KAV2250
- condiciones de uso, configuración y mantenimiento del dispositivo Krell Industries KAV2250
- marcas de seguridad y certificados que confirmen su concordancia con determinadas normativas

¿Por qué no leemos los manuales de instrucciones?

Normalmente es por la falta de tiempo y seguridad acerca de las funcionalidades determinadas de los dispositivos comprados. Desafortunadamente la conexión y el encendido de Krell Industries KAV2250 no es suficiente. El manual de instrucciones siempre contiene una serie de indicaciones acerca de determinadas funcionalidades, normas de seguridad, consejos de mantenimiento (incluso qué productos usar), fallos eventuales de Krell Industries KAV2250 y maneras de solucionar los problemas que puedan ocurrir durante su uso. Al final, en un manual se pueden encontrar los detalles de servicio técnico Krell Industries en caso de que las soluciones propuestas no hayan funcionado. Actualmente gozan de éxito manuales de instrucciones en forma de animaciones interesantes o vídeo manuales que llegan al usuario mucho mejor que en forma de un folleto. Este tipo de manual ayuda a que el usuario vea el vídeo entero sin saltarse las especificaciones y las descripciones técnicas complicadas de Krell Industries KAV2250, como se suele hacer teniendo una versión en papel.

¿Por qué vale la pena leer los manuales de instrucciones?

Sobre todo es en ellos donde encontraremos las respuestas acerca de la construcción, las posibilidades del dispositivo Krell Industries KAV2250, el uso de determinados accesorios y una serie de informaciones que permiten aprovechar completamente sus funciones y comodidades.

Tras una compra exitosa de un equipo o un dispositivo, vale la pena dedicar un momento para familiarizarse con cada parte del manual Krell Industries KAV2250. Actualmente se preparan y traducen con dedicación, para que no solo sean comprensibles para los usuarios, sino que también cumplan su función básica de información y ayuda.

Índice de manuales de instrucciones

  • Página 1

    Instructions for Use Owner ’ s Reference THE LEADER IN AUDIO ENGINEERING KA V–2250 Stereo Power Amplifier KA V–3250 Three-channel Power Amplifier[...]

  • Página 2

    KA V–2250 Stereo Power Amplifier KA V– 3250 Three- channel Power Amplifier Instructions for Use v 01.2 Krell Industries, Inc. 45 Connair Road Orange, CT 06477-3650 USA TEL 203-799-9954 F AX 203-891-2028 E-MAIL krell@krellonline.com WEBSITE http://www .krellonline.com This product is manufactured in the United States of America. Krell ® is a re[...]

  • Página 3

    Krell KAV–2250 and KAV–3250 iii Contents Page INTRODUCTION 1 DEFINITION OF TERMS 2 UNPACKING 4 PLACEMENT 5 AC Power Guidelines 5 FRONT PANEL DESCRIPTION 7 BACK PANEL DESCRIPTION 9 CONNECTING THE AMPLIFIER TO YOUR SYSTEM 11 Input and Output Connections 11 AMPLIFIER OPERATION 13 On/Off and Operation 13 Using a Dedicated Wall Switch 13 TROUBLESHOO[...]

  • Página 4

    iv Krell KAV–2250 and KAV–3250 Illustrations Page FIGURE 1 The KAV–2250 Front Panel 6 FIGURE 2 The KAV–3250 Front Panel 6 FIGURE 3 The KAV–2250 Back Panel 8 FIGURE 4 The KAV–3250 Back Panel 8 FIGURE 5 Amplifier Factory Default Settings 16 FIGURE 6 Reconfiguring the KAV–2250 for MAT Operation 17 FIGURE 7 Reconfiguring the KAV–3250 fo[...]

  • Página 5

    Krell KAV–2250 and KAV–3250 1 Introduction Thank you for your purchase of the Krell KAV–2250 Stereo Power Amplifier or the KAV– 3250 Three-channel Power Amplifier. The KAV–2250 and KAV–3250 amplifiers provide substantial two- and three-channel output power that delivers realistic music reproduction at an exceptional value. These amplifi[...]

  • Página 6

    2 Krell KAV–2250 and KAV–3250 Definition of Terms Following are the definitions of key terms used in your owner’s reference manual. CONFIGURATIONS Bridging A method of linking two amplifier channels by distributing the speaker load between the positive binding posts. Bridging the channels quadruples the power rating at 8 Ohms. Bridged configu[...]

  • Página 7

    Krell KAV–2250 and KAV–3250 3 Definition of Terms, continued OPERATION Off When the back panel power switch is in the down (off) position and the red stand-by LED turns off, the component is off. Stand-by Mode When the AC power cord is plugged into the wall and the back panel power switch is in the up (on) position, the red stand-by LED illumin[...]

  • Página 8

    4 Krell KAV–2250 and KAV–3250 Unpacking 1. Open the shipping box and remove the top layer of foam. You see these items: 1 amplifier unit (packed in foam end-caps) 1 IEC connector (AC power) cord 1 12 VDC output (12 V trigger) cable 1 T-15 Torx wrench KAV–2250 fuses: 2 AGC-12 (12-amp) or KAV–3250 fuses: 3 AGC-12 (12-amp) 1 packet containing [...]

  • Página 9

    Krell KAV–2250 and KAV–3250 5 Placement Before you integrate your new amplifier into your system, please review the following guidelines to choose the location for the component. This will facilitate a clean, trouble- free installation. The amplifier requires at least two inches (5 cm) of clearance on each side and at least two inches (5 cm) of[...]

  • Página 10

    KA V – 2250 13 2 6 Krell KA V–2250 and KA V–3250 Figure 1 The KA V–2250 Front Panel Figure 2 The KA V–3250 Front Panel KA V –3250 13 2 1 Power Button 2 Stand-by LED 3 Power Indicator[...]

  • Página 11

    Krell KAV–2250 and KAV–3250 7 Front Panel Description See Figures 1 and 2 on page 6 The front panel on the KAV–2250 and the KAV–3250 provides power on and indicates operating status. 1 Power Button Use this button to switch the power between the stand-by and the operational modes and also to switch the 12 VDC output (12 V trigger) on and of[...]

  • Página 12

    KA V–2250 T wo-channel Power Amplifier KRELL INDUSTRIES, INC. 45 CONNAIR ROAD ORANGE, CT 06477-3650 USA MADE IN USA NO USER SERVICEABLE PARTS INSIDE 12VDC 30 mA max. OUT 50/60 Hz AGC-12 AGC-12 IN INPUT 2 INPUT 1 OUTPUT 2 OUTPUT 1 BRIDGE 8 6 4 11 12 10 8 10 14 13 Figure 3 The KA V–2250 Back Panel Figure 4 The KA V–3250 Back Panel KA V–3250 T[...]

  • Página 13

    Krell KAV–2250 and KAV–3250 9 Back Panel Description See Figures 3 and 4 on page 8 The back panel on the KAV–2250 and the KAV–3250 provides connections for all inputs and outputs, remote connection input and output links, and the AC power supply. See Reconfiguration Options for the KAV–2250 and the KAV–3250, on pages 15-22, for informat[...]

  • Página 14

    10 Krell KAV–2250 and KAV–3250 Back Panel Description, continued Fuses 10 AGC-12 Fuses The AGC-12 Amp loudspeaker fuses protect the amplifier against short circuits at the amplifier outputs. Back Panel Remote Connections 11 12 VDC Remote Power Out The amplifier is equipped with an output that sends 12 VDC power on/off (12 V trigger) signals to [...]

  • Página 15

    Krell KAV–2250 and KAV–3250 11 Connecting the Amplifier to Your System INPUT AND OUTPUT CONNECTIONS The amplifier is equipped with balanced and single-ended inputs. Krell recommends using balanced interconnect cables. Balanced interconnect cables not only can minimize sonic loss but are also immune to induced noise, especially with installation[...]

  • Página 16

    12 Krell KAV–2250 and KAV–3250 Connecting the Amplifier, continued 4. Connect the loudspeaker cables to the amplifier channel output binding posts located on the back panel, (8) on the KAV–2250 or (9) on the KAV–3250. The binding post terminals accept spade lugs, bare wire, or pins. Use the red terminal for the positive connection and the b[...]

  • Página 17

    Krell KAV–2250 and KAV–3250 13 Amplifier Operation ON/OFF AND OPERATION When powering up your system, turn amplifiers on last. When powering down your system, turn amplifiers off first. The procedures for amplifier operation follow. 1. Plug the AC power cord into the AC power wall receptacle. 2. Push the back panel power switch (14) up (on). Th[...]

  • Página 18

    14 Krell KAV–2250 and KAV–3250 Troubleshooting System Noise When you mix and match high-performance audio components, each with its own ground potential, a low frequency hum may occur in one or all loudspeakers. If this happens when you place the amplifier into your system, follow these simple troubleshooting steps: 1. Check that all input and [...]

  • Página 19

    Krell KAV–2250 and KAV–3250 15 Reconfiguration Options for the KAV–2250 and KAV–3250 There are a number of options for reconfiguring the amplifier output: Multi Amp Throughput (MAT) is an internal connection option for the amplifier that lets you send the same music signal to all amplifier channels using one balanced or single- ended connec[...]

  • Página 20

    Figure 5 Amplifier Factory Default Settings 1 2 O N 1 2 O N 1 S3 S1 Bridge Channel 1 Input Channel 2 Input MT1 J5 J6 S2 Input Circuit Board 3 1 2 O N 3 1 2 O N 3 1 2 O N 1 S4 S1 Bridge Channel 1 Input Channel 2 Input Channel 3 Input MT1 J7 J8 J9 S3 S2 Input Circuit Board KA V–2250 KA V–3250 1 2 O N Switch Up (On) Switch Down (Off) Bridge Switch[...]

  • Página 21

    Figure 6 Reconfiguring the KA V–2250 for MA T Operation 1 2 O N 1 2 O N 1 S3 S1 Bridge Channel 1 Input Channel 2 Input MT1 J5 J6 S2 Input Circuit Board Figure 7 Reconfiguring the KA V–3250 for MA T Operation 3 1 2 O N 3 1 2 O N 3 1 2 O N 1 S4 S1 Bridge Channel 1 Input Channel 2 Input Channel 3 Input MT1 J7 J8 J9 S3 S2 Input Circuit Board 1 2 O [...]

  • Página 22

    18 Krell KAV–2250 and KAV–3250 Reconfiguration Options, continued Accessing the Input Switch Banks, continued 6. Reconfigure your amplifier, using the scenarios described below. 7. After the component is configured, replace the cover and, using the T-15 Torx wrench, secure all 12 cover screws. IMPORTANT Operating the amplifier without the cover[...]

  • Página 23

    Krell KAV–2250 and KAV–3250 19 Reconfiguration Options, continued Reconfiguring the KAV–2250 for MAT: Send One Input Signal to Both Output Channels via Input 2 Not illustrated To send the signal from a source device connected to input 2: 1. Push switch 2 up (on) for both input switch banks. 2. Push switch 1 down (off) for both input switch ba[...]

  • Página 24

    Figure 8 Reconfiguring the KA V–2250 for Bridged Operation 1 2 O N 1 2 O N 1 S3 S1 Bridge Channel 1 Input Channel 2 Input MT1 J5 J6 S2 Input Circuit Board Figure 9 Reconfiguring the KA V–3250 for Bridged Operation Input Circuit Board 3 1 2 O N 3 1 2 O N 3 1 2 O N 1 S4 S1 Bridge Channel 1 Input Channel 2 Input Channel 3 Input MT1 J7 J8 J9 S3 S2 [...]

  • Página 25

    Krell KAV–2250 and KAV–3250 21 Reconfiguration Options, continued Connecting the Amplifier Reconfigured for MAT 1. Connect the cable from your source device to the balanced or single-ended input you have selected to receive the signal. (For example, if you use the switch settings shown in Figure 6 your source device is connected to input 1.) 2.[...]

  • Página 26

    + – + – + – + + + Kitchen (R) P atio (R) Gym (R) + + + + – + – + – Kitchen (L) P atio (L) Gym (L) –– – –– – Left Amplifier Right Amplifier Left Speakers Right Speakers 22 Krell KA V–2250 and KA V–3250 EXAMPLE OF A CONNECTION SCENARIO: MUL TI-POWER MODE Multi-power mode is a possible connection scenario that uses the ampl[...]

  • Página 27

    Krell KAV–2250 and KAV–3250 23 Questions and Answers Q. Should I turn the amplifier off when not playing music? A. No. Leave the amplifier in stand-by when not playing music. The stand-by mode avoids cold starts as well as minimizes heat output and power consumption. Krell recommends turning the amplifier off if you plan to be away for a period[...]

  • Página 28

    24 Krell KA V–2250 and KA V–3250 W arranty This Krell product has a limited warranty of five years for parts and labor on circuitry . Should this product fail to per- form at any time during the warranty , Krell will repair it at no cost to the owner , except as set forth in this warranty . The warranty does not apply to damage caused by acts o[...]

  • Página 29

    Return Authorization Procedure If you believe there is a problem with your component, please contact your dealer , dis- tributor , or the Krell factory to discuss the problem before you return the component for repair . T o expedite service, you may wish to complete and e-mail the Service Request Form in the Service Section of our website at: http:[...]

  • Página 30

    26 Krell KAV–2250 and KAV–3250 Specifications KAV–2250 FREQUENCY 20 Hz to 20 kHz +0 dB, -0.09 dB RESPONSE 0.25 Hz to 170 kHz +0 dB, -3 dB SIGNAL TO NOISE RATIO “A” WEIGHTED >112 dB TOTAL HARMONIC 1 kHz < 0.03% DISTORTION (THD) 20 kHz < 0.20% GAIN 25.7 dB INPUT IMPEDANCE 100 kOhms INPUT SENSITIVITY 2.32 Vrms OUTPUT VOLTAGE Peak to[...]

  • Página 31

    Krell KAV–2250 and KAV–3250 27 Specifications KAV–3250 FREQUENCY 20 Hz to 20 kHz +0 dB, -0.09 dB RESPONSE 0.25 Hz to 170 kHz +0 dB, -3 dB SIGNAL TO NOISE RATIO “A” WEIGHTED >112 dB TOTAL HARMONIC 1 kHz < 0.03% DISTORTION (THD) 20 kHz < 0.20% GAIN 25.7 dB INPUT IMPEDANCE 100 kOhms INPUT SENSITIVITY 2.32 Vrms OUTPUT VOLTAGE Peak to[...]

  • Página 32

    KA V–2250 Stereo Power Amplifier KA V–3250 Three-channel Power Amplifier v 01.2 Krell Industries, Inc. 45 Connair Road Orange, CT 06477-3650 USA TEL 203-799-9954 F AX 203-891-2028 E-MAIL krell@krellonline.com WEBSITE http://www .krellonline.com[...]