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  • MEAN13-KIT

    Blackheart | BH5 Little Giant | KIT

    The Mean 13 High-Power Upgrade requires a radical modification of the Little Giant’s circuit board and chassis — including the addition of twin-6V6 sockets and its full-custom transformers and choke.

    Everything you need to transform your Little Giant head (BH5H) or combo (BH5-112) into a 13 Watt monster. Mercury’s kit includes detailed step-by-step, full color illustrations, schematics and photographs to help guide you through the process (tubes not included).

    For our other Blackheart Little Giant Kit, see our XLG kit.

    Available in 120V only. At this time export versions are not available. Amplifier not included.


Not finding what you’re looking for? We are constantly adding new products to our catalog – for the most up-to-date information, please email or call us: 818-998-7791.

Mercury offers Transformer Restoration Services for rare and vintage transformers that are failing or underperforming. With our attention to detail you can be assured that your restored vintage transformer will look AND sound exactly as it did. For more info please email or call us: 818-998-7791 for a quote.