VK-655SE Manual
Contents
1. 2 Spare Fuses 3 Torx Wrench T 10 1 Spare Top Cover Screws 5 Owner s Manual 1 Optional Accessories as ordered Save all the packaging material in a safe dry area for the unlikely event that you need to return the VK 655SE to the factory for service Physical Placement It is recommended that you provide for at least 6 of free space around the unit for proper ventilation Mount the unit on a hard surface with proper ventilation underneath Do not stack other equipment on top of the VK 655SE power amplifier IMPORTANT NOTES To assure reliable operation always turn the VK 655SE OFF while making or changing input or speaker connections No connections should be made while the amplifier is ON If the VK 655SE was turned OFF for any reason wait at least 30 seconds before turning it back ON Power Connection The VK 655SE is a true Dual Monoblock design with two separate power cords Due to the amplifier high power rating it is important to assure the good quality power line for each channel If separate circuit outlets are used for left and right channels it is recommended that both circuits be connected to the same phase of the power line Otherwise a high level of hum can be present Input Connections Best results will be obtained when connecting the VK 655SE to a balanced preamplifier However the VK 655SE is designed to accept either balanced or single ended inputs Monoblock connection On the VK 62. 55SEM Balanced Monoblock either the left or right channel input can be used both will produce identical results Balanced Components Use balanced XLR interconnects to connect the VK 655SE to a balanced preamplifier Input connectors are clearly marked on the back panel Note The VK 655SE input XLR connectors are wired as follows Pin 1 common shield Pin 2 positive Pin 3 negative Single Ended Components Single ended components have RCA connectors The VK 655SE power amplifier is designed to work with either single ended or balanced preamplifiers connected to its inputs All that is required to connect a single ended preamplifier with RCA connectors to the VK 655SE inputs is the optional balanced to single ended adapters These adapters are available from Balanced Audio Technology Input Adapters RCA Female to XLR Male Speaker Connections There are two sets of high quality binding posts on the back panel of the VK 655SE one for each channel These can accommodate a wide variety of speaker cable terminals You can use a 1 2 wrench to tighten these binding posts however excessive force should be avoided to eliminate the chance of breakage Monoblock connection On VK 655SEM Balanced Monoblock either left or right channel output can be used to connect speaker wires or both in case of bi wiring External 12V Trigger Input Output VK 655SE is equipped with the external 12V trigger connectors Input and Output To co
3. Tr TEE Balanced Audio Technology VK 655SE WARRANTY REGISTRATION FORM Unit Serial Number Purchased From Dealer Name IMPORTANT NOTE In order to receive the full five year product warranty please mail this completed form together with a copy of your sales receipt to Balanced Audio Technology at the address below within thirty days of purchase Failure to do so will result in the product being warrantied for one year from the date of manufacture 1300 First State Blvd Wilmington DE 19804 Tel 302 999 8855 Fax 302 999 8818 VK 655SE Balanced Power Amplifier VK 600MSE Balanced Monoblock Owner s Manual 1300 First State Blvd Wilmington DE 19804 Tel 302 999 8855 Fax 302 999 8818 Introduction Thank you for your purchase of the Balanced Audio Technology VK 655SE balanced power amplifier Please read this owner s manual to obtain the full benefit of the VK 655SE in your system It will provide you with the needed safety information and operating procedures for this exceptional unit WARNINGS To prevent the possibility of serious injury electrical shock or fire DO NOT operate with the cover removed DO NOT expose to rain or moisture DO NOT defeat the ground power plug DO NOT replace fuses with anything other than the same type and rating as supplied by the factory Package Contents Included in the box should be the following Description Quantity VK 655SE Power Amplifier 1 Power Cords
4. Warranty Terms and Conditions 1 Limited Warranty Upon receipt of the attached warranty registration form Balanced Audio Technology warrants the purchased product to be free from manufacturing materials and workmanship defects for five years from date of original purchase excepting vacuum tubes subject to the following conditions Failure to return the enclosed registration form within 30 days from original purchase will result in a warranty period of one year from the date of manufacture 2 Limited to Original Purchaser This warranty is for the sole benefit of the original purchaser of the covered product and may not be transferred to a subsequent purchaser of the product 3 Conditions and Limitations This warranty is subject to certain conditions and limitations as follows This warranty is void and inapplicable if the product has not been used in accordance with the instructions found elsewhere in this manual or if it has been misused or abused damaged by accident or neglect or in transport once in possession of the purchaser The warranty is also void if the product has been repaired modified or tampered with by anyone other than Balanced Audio Technology or its specifically authorized agents 4 Remedy If this product contains a materials manufacturing or workmanship defect that cannot be repaired at the dealership where the product was purchased it must be packed in original packaging and returned to Balanced Audio Techn
5. ill light Fuse Protection Each channel of the VK 655SE is protected by three fuses 1 The main line fuses are located on the back panel These fuses should be checked if one of the front panel LED s fail to light 2 Two internal fuses are mounted on the amplifier circuit boards These fuses have two green LED s associated with them Both LED s should be lit when unit is ON and operating properly Failure of either of these LED s to light indicates that the corresponding fuse is open CAUTION Make sure that the VK 655SE is turned OFF and disconnected from the power line before checking or replacing fuses A blown fuse in the VK 655SE is potentially an indication of a serious problem If a replacement fuse fails as well no further attempts at servicing the unit should be undertaken Please contact the factory for professional service Fuse Ratings The proper ratings for the main line fuse are as follows For 100 120 VAC Units 10A 250V Slow Blow For 200 240 VAC Units 7A 250V Slow Blow The internal printed circuit board mounted fuses are 15A Fast Acting type Factory supplied fuses should be only replaced with the same type and rating parts Servicing The Balanced Audio Technology VK 655SE should not require service to maintain its high performance In case of malfunction if replacing fuses fails to eliminate the problem please direct any further service inquiries to the factory Five Year Limited
6. ntrol the VK 655SE the external device must supply the standard 12V signal 12V Trigger Output connector can be used to drive another device s input for daisy chain operation of multiple units Operating the VK 655SE Turning the VK 655SE On The power switch is located on the VK 655SE front panel If VK 250 was turned OFF even for a short period of time you should wait at least 30 seconds before turning it back ON This precaution will minimize the stress on internal components When you turn the unit ON the VK 655SE will automatically go through a gentle power on sequence At the end of a 10 second delay the unit will unmute and become operational Front Panel LED Indicators Remote Trigger Operation When the VK 655SE is not connected to the external 12V Trigger line its Blue ON indicator will turn ON and OFF when the power switch is depressed When unit is connected to the external controller via the 12V Trigger line the condition of the LED indicators will depend on the state of that control line If the external controller is in OFF state 12V signal is not present then the green Stanby LED will light upon power switch activation The unit will alternate between the Standby and Off state every time the Power Switch is depressed When in its Standby mode the unit will be controlled by the 12V Trigger line When that line issues the ON command 12V signal is present the green Standby LED will go out and the blue ON LED w
7. ology via insured freight at the owners expense If replacement packaging materials are required they will be supplied by the factory at anominal charge Returned products must be accompanied by a written description of the defect and a return authorization number available from the factory via phone or fax Upon receipt of defective product Balanced Audio Technology agrees to repair the product without charge for parts except vacuum tubes if the unit is more than one year old or labor The product will then be returned via prepaid insured freight with carrier at the sole determination of Balanced Audio Technology This constitutes the purchasers sole remedy 5 Design Changes Balanced Audio Technology reserves the right to modify its products or change specifications at any time without obligation or liability to previous purchasers 6 Miscellaneous Any implied warranties relating to the above product shall be limited to the duration of this warranty This warranty does not extend to any incidental or consequential costs or damages to the purchaser This warranty gives you specific legal rights You may also have other rights which vary from state to state
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