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Old 26th August 2010, 05:34 PM   #1
dnice1 is offline dnice1  United Kingdom
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Default Bias current adjustment of Pioneer SA-8500II amplifier

Hi everyone,

I have a newbie question so please bear with me on this one.

I recently acquired a Pioneer SA-8500II amplifier and would like to adjust the Bias current to the manufacturer specification.

The service manual of this amplifier states that after removing the jumper plugs from the pre/power terminals, the POWER-IN terminals should be terminated with 5.1k resistors. It also requires to connect 8ohm resistors to the speaker terminals.

My question is what should be the wattage of the 5.1k & 8ohm resistors?

Any help will be appreciated.

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Old 26th August 2010, 11:59 PM   #2
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Originally Posted by dnice1 View Post
Hi everyone,

My question is what should be the wattage of the 5.1k & 8ohm resistors?

Any help will be appreciated.

High power 8 ohm and low power 5.1K.
Murton-Pike Systems PCBCAD51 pcb design software.
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