These are Mark Levinson Madrigal No.40 audio power supply boards.I bought them a few years ago at a sale where the facility was going out of business. You are buying the pair. Serial numbers: 0028 and 0038 0038 has the Mark Levinson sticker on the toroid transformer. 0028 does not have the Mark Levinson sticker on the toroid transformer and there are a few broken header pins as pictured on the edge of the board. I have no idea if these board will fit other Mark Levinson models. These circuit boards are sold AS-IS for parts or repair. Please ask questions before bidding.I take great care in packaging for shipping. Due to the age of this device and the uncertain nature of vintage electronics, I am selling these AS IS with NO RETURNS. All sales are final.All items/auctions with a final price over $99.99 USD will come with insurance. Any final price over $299.99 USD will have insurance that requires an adult signature. Please contact me if you have any questions. PayPal Only. No wire/bank transfers of any sort.Payment is due within 4 days after purchase/auction end.I ship to Ebay / Paypal confirmed addresses only Item ships 1-2 days after payment is received.

These are Mark Levinson Madrigal No.40 audio power supply boards.I bought them a few years ago at a sale where the facility was going out of business. You are buying the pair. Serial numbers: 0028 and 0038 0038 has the Mark Levinson sticker on the toroid transformer. 0028 does not have the Mark Levinson sticker on the toroid transformer and there are a few broken header pins as pictured on the edge of the board. I have no idea if these board will fit other Mark Levinson models. These circuit boards are sold AS-IS for parts or repair. Please ask questions before bidding.I take great care in packaging for shipping. Due to the age of this device and the uncertain nature of vintage electronics, I am selling these AS IS with NO RETURNS. All sales are final.All items/auctions with a final price over $99.99 USD will come with insurance. Any final price over $299.99 USD will have insurance that requires an adult signature. Please contact me if you have any questions. PayPal Only. No wire/bank transfers of any sort.Payment is due within 4 days after purchase/auction end.I ship to Ebay / Paypal confirmed addresses only Item ships 1-2 days after payment is received.

Enhance your home audio system by adding the Mark Levinson No.40 5.1 Analog Audio Input Card 6-channel Stereo Single Ended V4. This card is the perfect choice for music enthusiasts who want to experience rich and high-quality sound in their living room. With its 5.1 channel support and analog features, you can enjoy your favorite music with clarity and depth. The brand's reputation for producing high-end audio equipment is evident in this product. The card is compatible with a wide range of home audio devices and can easily be integrated into your existing system, making it a versatile addition. Whether you're a casual listener or an audiophile, this card is an excellent investment for a top-notch audio experience. OK, thanks Siri! Anyway, if you’re looking at this, you probably know what it is, but in case you don’t, it’s a six channel audio input card made for the Mark Levinson number 40 media console and audio analog/digital pre-amplifier. I’m finally parting out one of my spare units, so let me know if you want me to list anything else. I’m not sure how much I should list this for so I started it at $750. Please make your best offer as I’m listing this card first by popular demand, and will accept an offer soon thanks. Used = guaranteed working. Serial number 01559. Also marked 12814-4. Rev 4.