Add to Cart Quick view Heathkit HP-23B AC Power Supply for Many Heathkit Radios #2 heathkit MSRP: Now: $119.99 Was: Heathkit HP-23B AC Power Supply for Many Heathkit Radios including the SB series. This one is meant to mount in an SB-600 speaker and it was common for this power supply to not have the upper cabinet when mounted in the speaker. I can... MSRP: Now: $119.99 Was: Add to Cart Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $119.99 Was: Subtotal: Add to Cart