Miller Audio

Miller Audio LLC

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Bargains/Open Box

Listed here are Close-Out & Open Box items we can’t sell as new, has missing parts, or the item has a blemish that impacts appearance of an otherwise new or functional item. Some items are trade-ins where a customer had a Manual Bias Dyna-70 amplifier and upgraded to an Auto Bias system. We also have items available from other Dynaco models from our time as a local tube audio service facility.

Items listed have no warranty and are not returnable . We describe if it was a working part from a functioning amplifier or is a blemished item. Sometimes we have development item where we decided to go with a different solution. Give us a call if you have any questions regarding these items- we can assist you before you purchase.

Note- Listed prices do not include Shipping & Handling, this is an additional expense.


Item 1- New; Dyna-70 Manual Bias PCB, v2.0; removed from an operational Dyna-70 Amplifier –  $200

Item 2- Used; Dyna-70 Manual Bias PCB, v1.0; removed from an operational Dyna-70 Amplifier – $140

Item 3- Used; Original Dynaco PC-3 Audio Drive PCB, Restored with all new parts – $65
Item 4- Used; Dynaco PC-3 Audio Drive PCB, Mostly restored with new parts – $50
Item 5- New; DynaKit Parts PC-3 Upgrade PCB; New, never installed; uses 6GH8A tubes – $100
Item 6- Used; All Original Dynaco PC-3 Audio Drive PCB, unmodified – $30
Item 7- Used; Triode Electronics ST-70 Capacitor Card, original, unmodified – $50
Item 8- New; VTA Dynaco Mark III Audio Drive PCB, only one PCB available, uses 6SN7 Tubes – $75
Item 9- New; Dynaco Mark III Audio Drive PCB, original Dynaco Circuit, uses 6AN8 Tube, only one PCB available – $40
Item 10- New; MALLC High Performance Terminal Block; 1 pair; development item, notable blems in paint – $99.95
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