Krell Industries S1500 manual

INSTRUCTIONS FOR USE S –1 5 00 MUL TI-CHANNEL AMPLIFIER Owner’ s Reference[...]

© 2007 by Kr ell Industries, Inc. All rights r eserved P/N 30 958 2-F S –1500 Multi-channel Amplifier Instructions for Use v 07.0 This product is manufactured in the United States of America. Kr ell ® is a r egistered trademark of Krell Industries, Inc., and is restricted for use by Krell Industries, Inc., its subsidiaries, and authorized agent[...]

Contents Kr ell S –1500 Multi-channel Amplifier 3 INTRODUCTION 5 DEFINITION OF TERMS 6 UNP ACKING 7 PLACEMENT 8 AC Power Guidelines FRONT P ANEL DESCRIPTION 10 BACK P ANEL DESCRIPTION 11 CONNECTING THE S –1500 AMPLIFIER TO YOUR SYSTEM 13 Input and Output Connections OPERA T I N G THE S –1500 AMPLIFIER 1 5 On/Off and Operation TROUBLESHOOTING [...]

4 Kr ell S –1500 Multi-channel Amplifier FIGURE 1 The S –1500 Multi-channel Amplifier Front Panel 9 FIGURE 2 The S –1500 Multi-channel Amplifier Back Panel 9 Illustrations Page[...]

Kr ell S –1500 Multi-channel Amplifier 5 Thank you for your purchase of a Kr ell S –1500 Multi-channel Amplifier . The S –1500 amplifier is a flexible design that delivers five, six, or seven channels of amplification. All three configurations include input and output connections for all seven channels. The amplifiers differ only by how many [...]

6 Krell S –1500 Multi-channel Amplifier Following are the definitions of key terms used in this owner’ s r ef- erence. Balanced A symmetrical input or output circuit that has equal impedance from both input terminals to a common gr ound reference point. The industry standard for pr ofessional and sound recording instal- lations, balanced connec[...]

Unpacking Kr ell S –1500 Multi-channel Amplifier 7 1. Open the shipping box, and remove the top layer of foam. The following items are visible: 1 S –1500 Multi-channel Amplifier 1 Accessory Kit containing: 1 AC power cord 1 12 VDC output (12 V trigger) cable 1 12A 1/4-inch slow-blow fuse for 100 –120 V AC 1 6A 1/4-inch slow-blow fuse for 220 [...]

8 Kr ell S –1500 Multi-channel Amplifier Before you integrate the S –1500 Multi-channel Amplifier into your system, review the following guidelines to choose the location for the component. This will facilitate a clean, trouble-fr ee installation. The S –1500 amplifier requir es at least two inches (5 cm) of clear- ance on each side, and at l[...]

POWER 12 Figure 1 The S –1500 Multi-channel Amplifier Front Panel Power 1 Power Button 2 Stand-by and Power LED Kr ell S –1500 Multi-channel Amplifier 9 INPUT 1 INPUT 2 INPUT 3 I NPUT 4 INPUT 5 INPUT 6 INPUT 7 OUTPUT 1 OUTPUT 2 OUTPUT 3O U TPUT 4 OUTPUT 5 OUTPUT 6 OUTPUT 7 NO USER SERVICEABLE PARTS INSIDE KRELL INDUSTRIES, INC. 45 CONNAIR ROAD [...]

The S –1500 Multi-channel Amplifier front panel pr ovides power on and indicates operating status. 1 Power Button Use this button to switch the S –1500 amplifier power between the stand-by and the operational modes and also to switch the 12 VDC output (12 V trigger) on and off. 2 Stand-by and Power LED When the AC power cord is plugged into the[...]

Back Panel Description See Figure 2 on page 9 The S –1500 Multi-channel Amplifier back panel provides connec- tions for all inputs and outputs, remote connection input and out- put links, and the AC power supply . 3 Inputs 1-7 The S –1500 amplifier has seven channel inputs for output devices with balanced XLR connectors. 4 Inputs 1-7 The S –1[...]

B ack Panel Description, continued 7 12 VDC Remote Power In The S –1500 amplifier is equipped with an input that receives 12 VDC power on/off (12 V trigger) signals fr om other Krell compo- nents and other devices that incorporate a 12 V trigger . This allows you to turn the S –1500 on and off using a Krell or other component in a custom instal[...]

Connecting the S –1500 Amplifier to Y our System The S –1500 Multi-channel Amplifier is equipped with balanced and single-ended inputs. Krell r ecommends using balanced interconnect cables. Balanced interconnect cables not only minimize sonic loss, but ar e also immune to induced noise, especially with installations using long cables. Balanced [...]

C onnecting the S –1500 Amplifier , continued 4. Connect the loudspeaker cables to the S –1500 amplifier chan- nel output binding posts (5) located on the back panel. The S –1500 / 5 uses only outputs 1-5, and has caps on the loudspeaker binding posts of channels 6 and 7. The S –1 50 0 / 6 uses outputs 1-6, and has caps on the loudspeaker b[...]

Operating the S –1500 Amplifier When powering up your system, turn the amplifiers on last. When powering down your system, turn amplifiers off first. The proce- dures for operating the S –1500 Multi-channel Amplifier follow . 1. Plug the AC power cord into the amplifier’ s IEC connector (8). 2. Plug the other end of the AC power cord into the[...]

T r oubleshooting System Noise When you mix and match high-performance audio components, each with its own ground potential, a low fr equency hum may occur in one or all loudspeakers. If this happens when you place the S –1500 Multi-channel Amplifier into your system, follow these simple troubleshooting steps: 1. Check that all input and output c[...]

Questions and Answers Q. Should I tur n the S –1500 amplifier off (unplug the amplifier) when not playing music? A. No. Leave the S –1500 amplifier in the stand-by mode when not playing music. The stand-by mode avoids cold starts as well as minimizes heat output and power consumption. T urn the amplifier off if you plan to be away for a period [...]

W arranty Krell pr oducts have a limited war ranty . Amplifiers, preamplifiers, preamp/ pr oces sor s, and r eceivers carry a limited warranty of five years for parts and labor on circuitry . Loudspeakers carry a limited warranty of five years for parts and labor . CD and DVD players carry a limited warranty of five years for parts and labor on cir[...]

Freight to the factory is your r esponsibility . Retur n freight within the United States (U.S.A.) is included in the warranty . If you have purchased your Krell pr oduct outside the U.S.A. and wish to have it serviced at the factory , all freight and associated char ges to the factory are your responsibility . Krell will pay r etur n freight to th[...]

Retur n Authorization Pr ocedur e If you believe there is a pr oblem with your component, please con- tact your dealer , distributor , or the Kr ell factory to discuss the prob- lem 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. S[...]

Specifications S –1500 / 7 S –1500 / 6 S –1500 / 5 FREQUENCY RESPONSE 20 Hz to 20 kHz 20 Hz to 20 kHz 20 Hz to 20 kHz +0, -0.2 dB +0, -0.2 dB +0, -0.2 dB <0.2 Hz to 95 kHz <0.2 Hz to 95 kHz <0.2 Hz to 95 kHz +0 dB, -3 dB +0 dB, -3 dB +0 dB, -3 dB SIGNAL TO NOISE RA TIO WIDEBAND, UNWEIGHTED REFERRED TO FULL POWER OUTPUT >104 dB >[...]

Specifications , continued S –1500 / 7 S –1500 / 6 S –1500 / 5 POWER CONSUMPTION ST AND-BY 90 W 80 W 70 W IDLE 170 W 150 W 130 W MAXIMUM 1800 W 1550 W 1300 W HEA T OUTPUT ST AND-BY 310 BTU/hr . 280 BTU/hr . 240 BTU/hr . IDLE 580 BTU/hr . 520 BTU/hr . 450 BTU/hr . MAXIMUM 2600 BTU/hr . 2200 BTU/hr . 1900 BTU/hr . INPUTS 7 balanced 6 balanced 5[...]

K rell Industries, Inc. 45 Connair Road Orange, CT 06477-3650 USA TEL 203-298-4000 F AX 203-891-2028 E-MAIL krell@kr ellonline.com WEBSITE http://www .krellonline.com S –1500 Multi-channel Amplifier v 07.0[...]