Harman Kardon
Harman Kardon 680i Bass Knob Part # A634-HK680-B
Used knob in good used conditionAlso fits treble, balance and blend...
$14.99 USD
Harman Kardon 680i Blend Control Part # 5113-20475122
Used Blend control pot treated with DeoxIT D5 Number on pot is 2047140 and is 200KBX2..
$24.99 USD
Harman Kardon 680i Muting Adjust Pot Part # 5113-2037131
Working 20K Pot, Cleaned with DeoxIT D5 ..
$11.99 USD
Harman Kardon 680i Power Supply Board Part # 4551-7697
Used working board with standoffs and screws..
$29.99 USD
Harman Kardon 680i Power Switch Part # 4431-01017358
Power switch with snubber cap. Alps TV-5 SDG1P 01017358 ..
$34.99 USD
Harman Kardon 680i Push Button Assembly Part # A662-HK680-A
Plastic shaft for power switch ..
$11.99 USD
Harman Kardon 680i Speaker Knob Part # A662-HK680-B
Knob assembly in good used conditionAlso fits Phono, AM, Aux etc...
$9.99 USD
Harman Kardon 680i Treble Control Part # 5113-5038277
Used Treble pot treated with DeoxIT D5 50KX2..
$19.99 USD