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  • BH5H-KIT

    Blackheart | BH5 Little Giant | KIT

    Complete upgrade kit for your Blackheart Little Giant amp head (BH5H) or combo (BH5-112). Our XLG Upgrade Kit requires only a transformer swap, and a few minor circuit board modifications. You can do it yourself, or we can refer you to an amp tech who can make the upgrade for you.

    For our other Blackheart Little Giant Kit, see our Mean 13 kit.

    Included in the kit:
    -Axiom Power Transformer
    -Axiom Output Transformer (4, 8, 16 Ohm Taps)
    -Axiom Mini-Choke™
    -Other parts necessary to make the upgrade
    -Fully illustrated step-by-step color manual, with wiring schematics and instructions

    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.