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Barker & Williamson (B&W) BVL Coil Set of 4 BVL 15, BVL 20, BVL 40 & BVL 80 in Original Boxes

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MPN:
BVL
Condition:
Used
Shipping:
$15.00 (Fixed Shipping Cost)
  • Barker & Williamson (B&W) BVL Coil Set of 4 BVL 15, BVL 20, BVL 40 & BVL 80 in Original Boxes
  • Barker & Williamson (B&W) BVL Coil Set of 4 BVL 15, BVL 20, BVL 40 & BVL 80 in Original Boxes
$85.00
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Description

Barker & Williamson (B&W) BVL Coil Set of 4 BVL 15, BVL 20, BVL 40 & BVL 80 in Original Boxes

This coil set is in very good condition in the original boxes

 
 
The Barker & Williamson (B&W) BVL coil set refers to a series of vintage plug-in air-wound transmitting inductors (often sold or collected in sets for multi-band coverage) designed for amateur radio applications. These were popular in the mid-20th century for use in link-coupled antenna tuners, pi-network tank circuits, linear amplifiers, or band-switching transmitters (e.g., in vintage gear like homebrew exciters or amplifiers).The BVL series is part of B&W's plug-in coil lineup, which includes variants like:
  • JVL (Junior/light-duty, lower power).
  • TVL (transmitting variable link, often with adjustable coupling).
  • BVL (likely a balanced or specific variant, sometimes described with dual main coils end-to-end for certain bands).
  • HDVL (heavy-duty, higher power handling).
BVL coils are air-wound with tinned copper wire embedded in plastic ribs or supports, providing high Q (efficiency), good mechanical stability, and typically rated for moderate to higher power levels (e.g., 200-500W+ depending on band and setup). They feature plug-in bases (often ceramic or plastic) for easy band changes, with a primary coil and sometimes a variable/adjustable link for impedance matching and coupling optimization. For lower bands (e.g., 40m/80m), some BVL designs use two separate main coils attached end-to-end to achieve the required inductance.Common bands in BVL sets include coverage for 10m, 15m, 20m, 40m, 80m (and sometimes 160m), matching the amateur HF bands of the era. These are collectible today for restoring classic ham equipment
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