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Krell Industries Preamplifier KBL Owner's Manual page 12

Krell industries inc. preamplifier owner's manual

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d. Power Supply Installation
1. Place the power supply(s) in location.
2. Connect the DC cable(s) from the supply(s)to the preamp(s)
3. Plug the DC jumper between the KBL(s) and KPA(s).
4. Do not plug the AC connector(s) into the mains at this time.
7. Connection of Inputs and Outputs
All source components and amplifiers should be off at this point.
When connecting balanced components to the KBL via RCA connectors be
sure to maintain proper polarity of the non-inverted and inverted inputs.
The non-inverted inputs are the Left connectors on the top row; the inverted
inputs are the Right connectors on the bottom row. Also, if you are using
two KBL in dual-mono, remember that the Left XLRs are operational
and
the Right XLR connecters are disabled.
a. Connection of Input Sources
1. Connection of the KPA Inputs and Outputs
Either
input can accommodate a moving magnet or moving coil
cartridge.
Single KPA: connect the cartridge outputs to the KPA inputs 1 & 2 in
the conventional manner.
Dual KPA. balanced in~)ut wiring from the cartridge(s);
connect the
"high" (left = white, right = red) output from the cartridge to the left
input connectors on the KPAs. Connect the "low" (left = blue, right
green) to the right input connectors on the KPAs. Typically the top
unit is used for the left channel and the bottom unit is used for the
right channel.
The output of the KPA is high-level input and can be sent to any
input on the KBL(s). Connect the output of the KPA(s) to the
inputs at this time.
2. Connection of KBL Inl~ts
The inputs of the KBL have not been labeled with specific component
names so you can set up the Select switch pattern to your preference.
B-1 and B-2 refer to Balanced inputs 1 & 2; S-l, S-2, S-3, S-4 refer to
Single-ended
inputs 1 through 4. Once you have decided which
component will be assigned to which input, proceed with connecting
the source components to the desired inputs.

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