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WARRANTY REGISTRATION FORM
Unit Serial Number: _______________________________________
Customer Name:
Address:
Date of Purchase:
Purchased From:
Dealer Name:
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 warrantied for one year
from the date of manufacture.
1300 First State Blvd. Suite A W ilmington DE 19804 Tel: 302 -999-8855 Fax: 302-999-8818
VK-80i
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Summary of Contents for Balanced Audio Technology VK-80i
- Page 1 VK-80i WARRANTY REGISTRATION FORM Unit Serial Number: _______________________________________ Customer Name: _______________________________________ Address: _______________________________________ _______________________________________ Date of Purchase: _______________________________________ Purchased From: Dealer Name: _______________________________________ 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.
- Page 2 VK-80i Balanced Integrated Amplifier Owner's Manual 1300 First State Blvd. Suite A W ilmington DE 19804 Tel: 302-999-8855 Fax: 302-999-8818...
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Page 3: Package Contents
Introduction Thank you for your purchase of the Balanced Audio Technology VK-80i Integrated Amplifier. Please read this owner’s manual to obtain the full benefit of the VK-80i in your system. This manual provides you with necessary safety information and operating procedures for this exceptional unit. -
Page 4: Installing Tubes
Connecting the VK-80i to Your System Input connections: There are four sets of input connectors on the VK-80i's rear panel. 1. One XLR balanced input 2. Three RCA single-ended inputs The input is selected through the front panel push button, or via the VK-R7 remote... - Page 5 Speaker Connections: The speaker connectors are clearly marked on the back panel of the VK-80i. There are three sets of output taps marked LOW, MEDIUM and HIGH for connecting a variety of speakers to the VK-80i. Please note that some experimentation may be required. Try each output tap until you find the one that gives the most balanced performance in your system.
- Page 6 Input buttons. Volume Setting: Volume can be set using either the front panel Volume knob, or remote control Up and Down buttons. The VK-80i volume control has 90 steps of 1dB each, to allow for a very wide range of settings.
- Page 7 Autobias Feature: The VK-80I 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.
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Page 8: Protection Circuits
30 seconds before turning the unit back ON. Understanding the Overcurrent Protection The VK-80i can enter over-current protection mode if either of the following conditions take place: 1. The unit is being driven hard into a speaker that represents a particularly difficult load. - Page 9 What to do when the LED lights goes out: If you notice that green LED’s goes out, the first step should be to RECORD THEIR POSITIONS. Turn the unit OFF using the front panel power switch. Then, counting the output tubes 1 through 4, from left to right, swap the tubes 2 and 3. Turn the unit back ON.
- Page 10 Please do not substitute any random tube as a replacement. Although the automatic bias circuit in the VK-80i will accept virtually any random set of output tubes, the unit will not be guaranteed to meet all of its performance specifications under such conditions.
- Page 11 (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.
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