PEAVEY 6505 Plus Noisy Input Jack
| CONF | DIAGNOSIS | PART MATCH | ACTION |
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91%
CONF
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12AX7 / ECC83 Preamp Vacuum Tube
The input jack connects directly to the first gain stage (V1), which utilizes a 12AX7 vacuum tube. If this tube becomes microphonic or develops internal leakage between elements, it introduces significant noise into the high-gain circuit. Replacing the V1 tube is the standard mechanical resolution for noise issues localized to the input section.
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CHECK PRICE |
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5%
CONF
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1/4" Mono Input Jack (PC Mount)
Repeated mechanical stress from inserting and removing instrument cables can cause the leaf springs in the input jack to lose tension or the solder joints to the PCB to fracture. This results in an intermittent ground connection or high-resistance contact, creating audible 'noise' or crackling when the cable is moved. A new OEM jack restores physical contact integrity and grounding.
SKU: 71466021
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4%
CONF
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Contact Cleaner / DeoxIT D5
Oxidation on the internal shunt or contact surfaces of the input jack can create a 'noisy' or 'scratchy' connection. This chemical treatment removes non-conductive oxides and improves the electromechanical interface between the cable plug and the jack's internal components without requiring a full hardware replacement.
SKU: D5S-6
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CHECK PRICE |
DIY Repair Guide
Watch exactly how to replace the 12AX7 / ECC83 Preamp Vacuum Tube.