Brand CTR Engineering
Compatible Brand Universal, Collins and Heathkit
Type Component Kit

Check the listing for details. Collins 30L1 Heathkit SB200 Arc protect and Bias Kit (requires user experience). Condition: New. Listed at 34.00 USD. We also have an updated relay system and soft key or relay buffer for the SB200 and 30L1, although the 30L1 is a squeeze. The Collins 30L1 and Heathkit SB-200 share nearly identical grid and bias circuitry.

$20.40
$34.00