Estimated price (community-sourced)
About the P20EXD
The BorderPatrol P20EXD is a push-pull 300B stereo power amplifier from BorderPatrol Audio Electronics LLC. It uses two 300B output triodes per channel in push-pull configuration, with interstage transformer coupling and no global negative feedback. The EXD version adds upgraded components, copper chassis parts, and cryogenically treated transformers. According to published reviews, the P20EXD is offered with dual-mono external power supplies and can also be configured with an optional variable-gain input to function as a single-channel integrated amplifier.
Specifications
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