B&K CS-115 User's Manual
Contents
1. Components Ltd prior to return shipment The RA may be requested by calling 1 800 543 5252 NY 716 822 8488 between 8 30 AM and 5 00 PM EST EDT Monday thru Friday At that time it will be requested that you provide the following information 1 Your name and address 2 The model and serial number 3 The reason for which the unit is to be returned Once your RA has been issued you will immediately be provided with an RA number We will then send an RA package to you by mail Included in the RA package will be instructions on how to return your unit multiple copies of the RA and a preprinted return shipping label to be attached to the unit B amp K COMPONENTS LTD 1971 Abbott Road Buffalo New York 14218 3241 1 800 543 5252 NY 716 822 8488 FAX 716 822 8306 710172. Keep the unit away from liquids and direct sunlight 6 Secure all connections and power cords Keep power cords out of travel paths CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN ATTENTION Ne ms onan auk TO PREVENT FIRE OR SHOCK HAZARD DO NOT WARNING EXPOSE THS UNIT TO RAN OR MOISTURE Front Panel Operation Rear Panel Connectors Making the Right Connections Model CS 115 Serial Dace of Purchase B amp K Components Led 1971 Abbott Road Buffalo NY 14218 3241 716 822 8488 716 822 B306 Fax Frequency Response dB Lina Level Sensitivity Phono Sensitivity Maximum Output Line Level S N A Weighred Moving Magnet S N A Weighted Processor Loops No of Inputs Non inverting outpues Made in the U S A Specifications are subject to change without notice BK10523V 10 INPUT SELECTOR The CS 115 should always be connected to an unswitched AC power outlet Upan the first application of power to the CS 115 the INPUT SELECTOR should be in the OFF position This procedure is used to reset the electronic selector circuitry No further resetting is needed while the AC power is maintained to cha CS 115 This control is used to select the desired program source CD TUNER UNE 1 LINE 2 or AUX PH When set to the OFF position the CS 115 outputs PRE OUT are muted The AUXIPH input may be configured internally for either auxiliary line ievel or moving magnet prono See AUX PH under Rear Panel Co
3. repaired or replaced at the discretion of B amp K Components Ltd upon its being returned to the Warrantor at 1971 Abbott Rd Buffalo N Y 14218 postage prepaid with a payment to cover the costs of return postage and handling This warranty shall not apply to any equipment which is found to have been improperly installed fused set up or used in any way not in accordance with instructions supplied with the equipment or to have been modified repaired or altered in any way without the expressed written consent of B amp K Components Ltd No implied warranty on this unit created by state law shall extend beyond the term of this warranty and B amp K Components Ltd shall not be liable for any incidental or consequential damages in the event of any defect in material or workmanship of the unit during the term of this warranty or thereafter Some states do not allow the exclusion or limitation of incidental or consequential damages so the above exclusions may not apply to you No agent representative dealer or employee of the company has the authority to increase or alter the obligations or terms of this warranty This warranty gives you specific legal rights you may also have other rights which vary from state to state RETURN AUTHORIZATION Please note that the return of any product to B amp K Components Ltd for the purpose of warranty repair service or other reason requires a Return Authorization RA to be issued by B amp K
4. B amp K COMPONENTS LTD CS 115 Pre amplifier Operation Manual Introduction Thank you for purchasing a B amp K Components Lrd s CS 115 pre amplifier Your CS 115 carries many useful features including the same high quality components that are found in our other preamplifiers The CS 115 is manufactured with 1 metal film resistors and precision attenuators that ail add up to produce a transparent sound with highly accurate musical timbre The C5 115 is equipped with goldplated premium audio connectors and non inverting outputs Dual sets of pre amplifier output connectors are provided to ease bi amp applications or for an extra power amplifier As options the C5 115 may be configured with balanced line outputs phone inputs or an auxiliary line level input Passive or active operacion is selectable from the front panel The chassis constructed of heavy gauge steel and a 3 16 aluminium faceplate provide maximum structural integrity The CS 115 is manufactured for dependability and will provide many years of listening pleasure We encourage you to read this operation manual thoroughly to familiarize yourself with the C5 1 15 pre amplifier Read all instructions 2 Keep all units well ventilated 3 For extended periods of nonuse unplug the unit from the power source 4 Do not open the unit there are no user serviceable parts inside Contact your dealer or authorized service center for customer assistance 5
5. ndard 1 4 inch stereo plug can be connected to che HEADPHONE output The HEADPHONE output is active all the time however the MUTE button may be used to disable the main CS 115 outputs PRE OUT for private listening MUTE The MUTE button operates similar to a standard power button An LED indicator displays the MUTE status When the MUTE button is our LED off the CS 115 main outputs PRE OUT to the power amplifier are disabled and allows for private listening with headphones Note MUTE does not disconnect AC power fram the C5 115 but merely disables the outputs The continuously powered eps provides optimum sound quality and stablliry For this reason it is recommended that the CS 115 be plugged ince an unswitched AC outlet The MUTE button should be out and the VOLUME concrol fully counterclockwise when changing cha TAPE MONITOR or the DIRECT BYPASS burtons and when che C 115 is not in use POWER ENTRY MODULE The power cord is inserted into this module The CS 115 should be lugged into an unswitched AC outlet See MUTE under Front Panel Operation The fuse contained within the module is a 1 2 Amp Fast Blo and should only be re placed with the same type and rating BALANCED LINE OUTPUT CONNECTORS Optional If your unit is configured with balanced XLR connectors these are to ba used for connecting to the power amplifier pin ground pin 2 pin 3 Balanced connectors and cables provide maxi mum reduction of c
6. nnectors TAPE MONITOR Pushing this button selects monitoring of the tape recorder An LED indicator displays the TAPE MONITOR status When the LED is lit the TAPE MONITOR is on and indicates that playback or monitoring of the tape recorder is now active When the recorder is in playback made the C5 115 INPUT SELECTOR is disabled When the tape recorder is in the RECORD mode the CS 115 INPUT SELECTOR is used to select the program source that is to be recorded For additional information refer co your tape recorder operation manual DIRECT BYPASS This button selects the Active or Passive mode of operation In the Active mode button out the program source selected is processed through a 10 dB buffer amplifier The Passive mode button in bypasses the amplifler stage and only the VOLUME and BALANCE controls remain in the signal path the overall volume of the sound is reduced significantly in the Passive mode The difference in sound between these two modes is subjective and strictly a matter of personal taste VOLUME Turning this control clockwise increases the sound level of the CS 115 main outputs PRE OUT and the HEADPHONE ourpur BALANCE This control adjusts the relative volume of the left and right channels This affects the main CS 115 outputs PRE OUT and the HEADPHONE output Note The level of che tape recording outputs TAPE REC are unaffected by both VOLUME and BALANCE HEADPHONE Stereo headphones having a sta
7. ommon noise interference which can degrade clarity and low fi uency accuracy Proper balanced operation re quires that the power amplifier be also equipped with balanced input connectors Consult your authorized dealer concerning this option PRE OUT 2 Secs These connectors are the main C5 115 outputs that are connected to the power amplifier Twa sets are provided and may be used simultaneously The additional set is provided to simplify connection of bi amp systems or an extra power amplifier TAPE PLAY These input connectors are part of the tape loop system Sonne dak the PLAY outputs from your tape recorder to these inputs allows the recorder to be selected as the program source by using the TAPE MONITOR button See TAPE MONITOR un der Front Panel Operation TAPE REC These output connectors are also part of the tape loop system The recording program source as determined by the IN PUT SELECTOR an the front panel is provided at these connectors Connect the C5 1 15 TAP REC outputs to the RECORD inpurs on the tape recorder The TAPE REC outputs are not affected by the VOLUME or BALANCE controls The TAPE MONITOR button has no effect on the CS 5 TAPE REC outputs CD These are line level input connectors that are designated for a Compact Disc CD player TUNER These are line level input connectors that are designated for a stereo tuner such as the B amp K TS 108 FM Stereo Tuner LINE 1 These are line level input connecto
8. rs that may be used for additional audio components such as the audio outputs from a VCR or an additional CD player Refer to the specific manuals for proper connections LINE 2 same as LINE descripcion above AUXIPH This input may be configured internally for either an auxiliary line level AUX or moving magnet phono PH Consult your authorized dealer concerning this option Phono Grounding Lug Connect the extra grounding wire on your phono to this lug to eliminate any hum or ground noise note When making connacuons to the back panel and your audio components always connect che right channel of one device to the right channel of the other device Aha make the connections with che plugs pushed all tha way in and seated firmly note Refer to Making the Right Connecoons for illustrated connecuons Making the Right Connections B amp K ST 120 Power Amplifier pin ground pin 2 pin Reel to Reel Tape Recorder Phono or Auxiliary E36 B amp K COMPONENTS LTD 1971 Abbott Road Buffalo New York 14218 3241 NY 71 6 822 8488 FAX 716 822 8306 B amp K Limited Warranty B amp K Components Ltd Warrantor warrants your B amp K equipment against all defects in material and workmanship for a period of three years from date of purchase This warranty applies only to the original consumer purchaser and only to equipment used in normal residential use and service Defective units will be either
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