Pioneer A400

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Videos (tutorials) Documents (manuals)


Pioneer Amplifier Repair & Motorized Volume Control Conversion

Repair of a supposedly faulty Pioneer amplifier and conversion of it's volume control to a remotely operated motorized type usingĀ ...

Pioneer A400 Amplifier Repair

Fault Intermittent input selection and noisy user controls The A400 like the A300 is easy and straight forward to service. Over timeĀ ...

Pioneer A-400

Vangelis Alpha track playing on a Marantz 63 MKII Ki Signature connected to a Pioneer A-400.