Image | Title | Price | Postage | Bids | Time Left |
![12AU7 Tube Bile Preamp Class A Headphone Amplifier Board](https://i.ebayimg.com/thumbs/images/g/yX0AAOSwk3NmWCEu/s-l140.jpg) | | $45.73 | $10.00 | ![Buy 12AU7 Tube Bile Preamp Class A Headphone Amplifier Board](/images/bin.gif)
| 21d 11h 5m |
![New MU-603 12AU7 Tube Bluetooth 5.1 Aptx HD ES9018K2M Decoder Hi-Res Pre-amp](https://i.ebayimg.com/thumbs/images/g/3u0AAOSwx8Nhgltc/s-l140.jpg) | | $194.22 | Free | ![Buy New MU-603 12AU7 Tube Bluetooth 5.1 Aptx HD ES9018K2M Decoder Hi-Res Pre-amp](/images/bin.gif)
| 21d 11h 21m |
![New MT-603 12AU7 Tube Multiple Pre-Amp 4Audio Input One Audio Output Amplifier](https://i.ebayimg.com/thumbs/images/g/JtUAAOSwdalg-n-h/s-l140.jpg) | | $222.59 | Free | ![Buy New MT-603 12AU7 Tube Multiple Pre-Amp 4Audio Input One Audio Output Amplifier](/images/bin.gif)
| 21d 11h 23m |
![1PC Hifi 12AX7+12AU7 Tube Preamp Board PCB Base On Marantz 7 Circuit](https://i.ebayimg.com/thumbs/images/g/vbcAAOSw1eZfxjOD/s-l140.jpg) | | $8.50 | $5.00 | ![Buy 1PC Hifi 12AX7+12AU7 Tube Preamp Board PCB Base On Marantz 7 Circuit](/images/bin.gif)
| 21d 15h 28m |
![HiFi No Feedback MM / MC Phono 12AX7+12AU7 Tube Stereo Phono Amp Board Kit](https://i.ebayimg.com/thumbs/images/g/7~cAAOSw~QBl-Ctd/s-l140.jpg) | | $18.00 | Free | ![Buy HiFi No Feedback MM / MC Phono 12AX7+12AU7 Tube Stereo Phono Amp Board Kit](/images/bin.gif)
| 21d 16h 58m |
![Good Balanced 12AU7 Tube, TV-7 TESTED GUARANTEED GOOD](https://i.ebayimg.com/thumbs/images/g/XOMAAOSwhAhm1IPQ/s-l140.jpg) | | $19.99 | $5.50 | ![Buy Good Balanced 12AU7 Tube, TV-7 TESTED GUARANTEED GOOD](/images/bin.gif)
| 21d 19h 25m |
![55VA R Core Transformer For 12AX7 12AU7 Tube Preamplifier Diy HiFi R Tyep Kits](https://i.ebayimg.com/thumbs/images/g/d58AAOSwwX1hOdli/s-l140.jpg) | | $29.00 | $25.00 | ![Buy 55VA R Core Transformer For 12AX7 12AU7 Tube Preamplifier Diy HiFi R Tyep Kits](/images/bin.gif)
| 21d 20h 35m |
![For EL84 12AX7 12AU7 Tube Socket PCB Mount 9 Pin Ceramic Tube Socket](https://i.ebayimg.com/thumbs/images/g/8ngAAOSwCFxi6NJv/s-l140.jpg) | | $25.54 | Free | ![Buy For EL84 12AX7 12AU7 Tube Socket PCB Mount 9 Pin Ceramic Tube Socket](/images/bin.gif)
| 22d 11h 43m |
![(1) Tested Delco 12AU7 Tube 12AU7 Medium Mu Twin Triode Vacuum Tube](https://i.ebayimg.com/thumbs/images/g/22sAAOSwryJnRRkM/s-l140.jpg) | | $15.00 | Free | ![Buy (1) Tested Delco 12AU7 Tube 12AU7 Medium Mu Twin Triode Vacuum Tube](/images/bin.gif)
| 23d 0h 36m |
![1 Excellent strong new in the box blackburn mullard 12au7a / 12au7 tube](https://i.ebayimg.com/thumbs/images/g/wv8AAOSwNO5m9ti3/s-l140.jpg) | | $49.99 | $8.00 | ![Buy 1 Excellent strong new in the box blackburn mullard 12au7a / 12au7 tube](/images/bin.gif)
| 23d 12h 13m |
![1 Excellent strong new in box Rca clear top D getter 12AU7A / 12AU7 tube #S10](https://i.ebayimg.com/thumbs/images/g/UTIAAOSwsOBnjsI8/s-l140.jpg) | | $5.99 | $8.00 | ![Buy 1 Excellent strong new in box Rca clear top D getter 12AU7A / 12AU7 tube #S10](/images/bin.gif)
| 23d 12h 21m |
![1 Excellent strong Cbs D getter 12AU7A / 12au7 tube #S14](https://i.ebayimg.com/thumbs/images/g/31kAAOSwWLJnjvKB/s-l140.jpg) | | $7.99 | $8.00 | ![Buy 1 Excellent strong Cbs D getter 12AU7A / 12au7 tube #S14](/images/bin.gif)
| 23d 12h 39m |
![ZEROZONE HIFI LS60 Balanced 6DJ8+12AU7 Tube Preamplifier Bare PCB](https://i.ebayimg.com/thumbs/images/g/MMQAAOSwpClj8yOc/s-l140.jpg) | | $23.99 | Free | ![Buy ZEROZONE HIFI LS60 Balanced 6DJ8+12AU7 Tube Preamplifier Bare PCB](/images/bin.gif)
| 23d 16h 57m |
![1 PCS PSVANE ECC82 Preamplifier Tube Amplifier Vacuum Tube Replace 12AU7 Tube](https://i.ebayimg.com/thumbs/images/g/zokAAOSwrX5kEuDx/s-l140.jpg) | | $30.99 | Free | ![Buy 1 PCS PSVANE ECC82 Preamplifier Tube Amplifier Vacuum Tube Replace 12AU7 Tube](/images/bin.gif)
| 23d 17h 16m |
![(1) ELECTRO-HARMONIX 12AU7 Tube](https://i.ebayimg.com/thumbs/images/g/hPEAAOSwtjBnJ-1G/s-l140.jpg) | | $20.00 | $5.00 | ![Buy (1) ELECTRO-HARMONIX 12AU7 Tube](/images/bin.gif)
| 24d 0h 52m |
![One Tung-sol 12au7 Tube Tested Strong #115](https://i.ebayimg.com/thumbs/images/g/mFsAAOSwAxpnJ~I8/s-l140.jpg) | | $20.00 | Free | ![Buy One Tung-sol 12au7 Tube Tested Strong #115](/images/bin.gif)
| 24d 1h 11m |
![One Tung-sol 12au7 Tube Tested Strong Made In USA #116](https://i.ebayimg.com/thumbs/images/g/zAAAAOSwrWhnJ~L3/s-l140.jpg) | | $20.00 | Free | ![Buy One Tung-sol 12au7 Tube Tested Strong Made In USA #116](/images/bin.gif)
| 24d 1h 15m |
![GE 12AU7 Tube Gray Plate O Getter Tested](https://i.ebayimg.com/thumbs/images/g/u1wAAOSw3mVllfCG/s-l140.jpg) | | $8.00 | Free | ![Buy GE 12AU7 Tube Gray Plate O Getter Tested](/images/bin.gif)
| 24d 2h 54m |
![RCA 5814A / 12AU7 Tube No Box - TESTED - LOW NOISE](https://i.ebayimg.com/thumbs/images/g/q5EAAOSwEGlneWn6/s-l140.jpg) | | $10.00 | Free | ![Buy RCA 5814A / 12AU7 Tube No Box - TESTED - LOW NOISE](/images/bin.gif)
| 24d 7h 53m |
![KMTech 12AU7 Tube/MOSFET based 12V Headphone Amplifier v1.01 100 x 35mm PCB DIY](https://i.ebayimg.com/thumbs/images/g/XvEAAOSwjsBfdHUx/s-l140.jpg) | | $8.68 | $5.59 | ![Buy KMTech 12AU7 Tube/MOSFET based 12V Headphone Amplifier v1.01 100 x 35mm PCB DIY](/images/bin.gif)
| 24d 12h 29m |
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