If you use it together with the krell kav280cd or sacd standard and use transparent or mit cables the sound is very liquid and balanced. Kav400xi integrated amplifier owners reference krell. This krell ksa50 mk2 schematic circuit diagram will help you to restore it back to its true former glory. A patent pending technology from krell industries, inc. Krell designed digital control circuit monitors and optimizes the preamplifiers. The krell kav500i integrated amplifier is a very tidy package. This is the second best amp ive heard with the he6 best being the my successor which cost much more. The best way to get into the ultrahighend world of krell gear is to start with one of their beefy. Discuss the product issue with your krell dealer, distributor, or with krell technical support. Since then, they have remained on the cutting edge of solidstate electronics. Send the product for repair only if advised to do so by the krell dealer, distributor or by krell technical support. This unique technology provides the component with exceptional speed and a wide bandwidth. I changed the fuse on the back of the amp and still nothing. When i sent it back to krell it turned out it was an internal rail fuse.
The amp is in very good cosmetic condition, probably rated a 910 on the agon scale. Krell kav400xi integrated amplifier used japan audiomusic ebay. View and download krell industries kav400xi instructions for use manual online. The kav300il which i also own is exactly the same amp but with buttons for the volume. Download the krell kav500 manuals for free hifi manuals. This site helps you to save the earth from electronic waste. Yes i did the proper tests to see if the amp was getting the signal it was. To return a product to the krell service department. The company now includes loudspeakers and sacd players as part of its portfolio, and a universal player is on the roadmap to accompany the pre and power amps and cd players that make. Krell kav400xi this krell product has a limited warranty of five years for parts and labor on circuitry. Krell manuals, schematics and brochures hifi manuals. Free krell industries stereo amplifier user manuals.
Krell industries was founded in 1980 and designs and manufacturers a wide range of high end audio components. It has 200 watts a 750k toroidal, balanced inputs, etc. The kav 400xi outputs 200wpc to the 300is 150wpc, and takes its cue cosmetically from krell s sleek showcase line, which uses stout corner posts and milled aluminum panels to create a bombproof chassis. If you want to buy second had you might as well buy the cheaper kav300il. I am referring to the older main krell line and not the kav line which sounded lighter and leaner. The unit is kept in a smoke free, child free and pet free environment. Both of these discs have great soundtracks and really showed me what the krell is capable of.
Service manuals, schematics, eproms for electrical technicians. Power is rated at 150 watts into 8 ohms and 300 watts in 4 ohms. The above measurement shows that the krell kav250a3s left amplifier channel, with two channels driving 8ohm loads, began clipping at 0. The krell kav400xi is a high performance integrated amplifier that combines the. Krell fpb700cx the most powerful stereo amp krell ever designed duration. Krell kav 400xi 1 introduction thank you for your purchase of the krell kav 400xi remote control integrated amplifier. This fully integrated amplifier and preamplifier has a fully balanced signal path from input to output and employs a wide bandwidth design with low negative feedback for sonic accuracy throughout the frequency spectrum. There are small dings above the display, on the volume knob, and minor. Amplifiers recalled by krell industries recalled due to fire hazard. It isnt coming with a manual, and krell doesnt have one either, so thats probably the reason i got it pretty cheap. The amplifiers are used to provide power to a loudspeaker in a home audio playback system. The s300i features krell current mode technology, a massive 750va toroidal transformer, 38,000 microfarads of storage capacitance, a theater throughput and an ipod connector. Constantine soo tests the caliber of an affordable krell. Krell obviously took this as a new challenge, and went back to the drawing board.
Owners reference power amplifiers 700cx, 400cx, 300cx stereo 750mcx, 450mcx, 350mcx. Krell kav400xi 1 introduction thank you for your purchase of the krell kav400xi remote control integrated amplifier. Since their inception some 20 years ago, krell has remained about as hardcore of an audiophile company as youre likely to find. Evolution two illusion illusion ii kav250p kbl kct krc krc2 krc3 krchr ksl ksl2 ksp7b pam3 pam7. Amplifiers recalled by krell industries recalled due to. Should this product fail to perform at any time during the warranty, krell will repair it at no cost to the owner, except as set forth in. Follow all troubleshooting recommendations from krell. Well, to put simply, it sounds quite awesome, able to control literally any speaker load without difficulty with very solid slam, very transparent, excellent soundstage focus and depth, and problably the best bass control you can buy. Download the krell kav500 manuals for free from the biggest krell manual and schematic collection on the web. A symmetrical input or output circuit that has equal impedance from both input terminals to a. One of the iconic class a amplifiers of the 1980s, this amp can now be found for reasonable money on ebay and the like but may need some tender loving care. Thank you for your purchase of the krell kav400xi remote. Krell kav 400xi this krell product has a limited warranty of five years for parts and labor on circuitry.
The biggest collection of krell manuals and schematics. Excellent bass performance is also something of a krell tradition, and the kav 400xi doesnt disappoint. Krell kav 400xi integrated amplifier silver for sale us. Brief demo of krell kav 400xi integrated amp in 2 channel stereo. Krell industries kav300i owners reference manual pdf. The kav400xi outputs 200wpc to the 300is 150wpc, and. Is there really a difference between a krell 400xi. Dennis it is the krx1, so it is not the same one as yours. Krellclone ksa50 krell ksa50 clone krellclone ksa50. Back in 1980, krell shocked the hifi world with their enormous ksa100. Krell stresses in their owners manual that when this feature is used, the source component must have a volume level controlotherwise your system will play very loudlyas in wide open throttle. I also took a dvd ride on airforce one and george of the jungle. Krell industries kav400xi instructions for use manual pdf.
Kav2250 stereo power amplifier kav3250 threechannel power amplifier instructions for use v 01. The kav400xi outputs 200wpc to the 300is 150wpc, and takes its cue cosmetically from krells sleek showcase line, which uses stout corner posts and milled aluminum panels to create a bombproof chassis. All circuits are symmetrical and balanced, and fully class a up to the driver stage, and the amplifier is dc coupled to the load. Definition of terms, continued technology krell kav400xi krell current mode a proprietary krell circuit topology in which the audio gain stages of a component operate in the current rather than voltage domain. Amplifier krell industries kav400xi instructions for use manual. Hardcore gear maker krell makes a poweful argument with kav250a and kav 250a3. Home hifi hifi amplifiers integrated amplifiers krell kav400xi. Hi petrus, i have the previous model, the kav300i, and have also auditioned the 400xi you are referring to, as i am considering it. I need the schematic diagram of krell showcase amp. If you use it together with the krell kav 280cd or sacd standard and use transparent or mit cables the sound is very liquid and balanced.
The krell logo is printed on the front of the amplifier. Ive already written something about this famous us company during the listening test of their smallest power amp, the krell kav 150 a, so if you want more infos please refer to that article or browse the krell official web site directly. Many highend audio companies survive by producing a wide range of products in price and quality to capture different spending patterns. It is an older model i think the first krell crossover. Evolution two illusion illusion ii kav 250p kbl kct krc krc2 krc3 krchr ksl ksl2 ksp7b pam3 pam7. Massive attack charges at full throttle, while the double bass on miles daviss kind of blue lacks nothing when it comes to richness or definition.
Krell krx1 crossover audioworlds straightwire forums. The best way to get into the ultrahighend world of krell gear is to start with one of their beefy integrated amps. Is there really a difference between a krell 400xi intergrated amp and the newer vandgard. Had the same problem about 8 years ago with my krell kav250a amp. Service manuals, owners manuals, schematics, diagrams, datasheets, brochures online for free download and free to your amplifier, receiver, tape, cd, tuner, turntable and recorder. The output power is 160 watts for 8 ohms and 320 watts for 4 ohms loudspeakers. Selling my beloved kav400xi because i have upgraded. Theres no shortage of authority, but its the speed and subtlety that impress. Hifimanuals uses cookies exclusively to gather anonymous data that help us improve the website. Krell industries kav250a and kav250a3 page 2 sound. Introduced in 2009, the krell s300i is heir to the groundbreaking krell kav300i and kav400xi. Then an unobtainium plastic gear stripped in the transport.
I never noticed until i pulled the unit out to take pictures. Presents well and still very attractive but not mint cosmetically. View and download krell industries kav300i owners reference manual online. Components designated 1xx are placed on main pcb components designated 2xx are placed on heatsink or speaker binding posts components designated 3xx are additional output protection circuits all capacitors 100v exept where designated otherwise. Description 150 watts per channel into 8 ohms and 300 watts per channel into 4 ohms. The driver and output stages in the high current regulators use 14 pairs of the. Krell kav400xi stereo integrated amplifier 2758 solid. Krell kav400xi 200watts x2 integrated amplifier best amp in the world selling. Krell industries kav400xi instructions for use manual.