Balanced Audio Technology VK-150SE Скачать руководство пользователя страница 6 | Manualshive

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Balanced Audio Technology VK-150SE Скачать руководство пользователя страница 6

Operating the VK-150SE

Normal operation of the VK-150SE requires simply turning the unit on. There are no
meters to connect, bias setpoints to remember, or drifting bias points to adjust. Please
read the Autobias Feature section for more details.

Turning the VK-150SE On:

The power switch is located at the rear of the unit. When you turn the unit on, it will go
through a gentle power-on sequence. After about one minute, four LED’s visible from
the top of the chassis should light up. This indicates that full operating bias has been
reached and the unit is now ready to play.

Turning the VK-150SE Off:

The unit can be turned Off at any time (even while playing). If needed, please wait at
least 30 seconds before turning the unit ON again.

Autobias Feature:

The VK-150SE implements a sophisticated autobias circuit that automatically
compensates for tube aging and line voltage fluctuations, as well as marginal
mismatching of tubes. The successful operation of the autobias circuit is noted by
individual LED’s that glow visibly next to each output tube when viewed from the top of
the chassis. A total of four LED’s should light up to indicate proper operation of the
circuit. If one of the LED’s fails to light up (after the unit is warm),

there could be two

reasons for this problem:

1. The particular output tube is defective. In this case replacing this tube with a
known good one should turn the LED ON.

2. The amplifier was overstressed and the protective fuse inside opened. These
fuses protect output tubes from overloading. There are four fuses mounted on the
two PC boards. Please refer to the section on replacing fuses for correct
procedure.

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Содержание VK-150SE

Страница 1: ...______________________________ Address _______________________________________ _______________________________________ 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 warr...

Страница 2: ...VK 150SE Special Edition Balanced Monoblocks Owner s Manual 1300 First State Blvd Suite A Wilmington DE 19804 Tel 302 999 8855 Fax 302 999 8818 ...

Страница 3: ...cal shock or fire DO NOT operate with the bottom 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 150SE Power Amplifier 1 6C33C B Output Tubes 4 6SN7 Signal Tubes 6 6H30 Super Tubes ...

Страница 4: ... 6C33 tubes in positions V9 through V12 4 Install 6V6GT tubes in positions V13 and V14 NOTE Care must be exercised when installing the 6C33 output tubes While inserting the tubes please use gentle circular motion in order to facilitate proper socket pin engagement Do not use force as doing this might damage the socket pins ...

Страница 5: ...he VK 150SE power amplifier is designed to work with either balanced or single ended preamplifiers connected to its inputs All that is required to connect a single ended preamplifier with RCA connectors to the VK 150SE s inputs is the optional balanced to single ended adapters These adapters are available from Balanced Audio Technology at a nominal charge For Speaker Connections The speaker connec...

Страница 6: ...unit ON again Autobias Feature The VK 150SE implements a sophisticated autobias circuit that automatically compensates for tube aging and line voltage fluctuations as well as marginal mismatching of tubes The successful operation of the autobias circuit is noted by individual LED s that glow visibly next to each output tube when viewed from the top of the chassis A total of four LED s should light...

Страница 7: ... Fast Acting type In either case if the unit still fails to operate properly please contact the factory for professional service Factory supplied fuses should only be replaced with the same type and rating parts Replacing Output Tubes In order to replace the 6C33C B output tubes please contact the factory and supply them with the unique identification number stamped on the side of the tube needing...

Страница 8: ... performance Please direct any further service inquiries to the factory Cleaning To remove dust occasionally wipe the front and top surfaces of your VK 150SE with a damp soft cloth If fingerprints appear you may use a mild non alkaline soap solution Do not use abrasive cleaners as they may damage the fine finish of the unit ...

Страница 9: ...ty 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 5 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 Technology vi...

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