Ten-Tec

Ten-Tec Model 1126 Amplifier Switching Kit the Argosy Model 525 or Argosy II Model 525D NEW in Box

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MPN:: 1126
Condition:: New
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$49.99

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Description

Description

Ten-Tec Model 1126 Amplifier Switching Kit the Argosy Model 525 or Argosy II Model 525D NEW in Box.

Ten-Tec Model 1126 Amplifier Switching Kit (also called Linear Amplifier Switching Kit or simply "Linear Switching Kit") is a vintage accessory kit from the early 1980s (circa 1980–1983), specifically designed for the Argosy Model 525 (analog version) and Argosy II Model 525D (digital version) transceivers. It enables safe keying and switching of an external linear amplifier (e.g., Ten-Tec Hercules 444 or other amps) by providing relay-controlled PTT switching, proper timing delays to protect the amplifier, and integration with the Argosy's low-power output.Key Details and Specifications

Purpose: Allows the Argosy (typically 5–50W output) to drive a linear amplifier for higher power (e.g., 500–1000W) while handling keying, RF sensing (if needed), and T/R switching to prevent hot-switching damage.
Features: Includes relay board/kit components for installation inside the Argosy chassis, wiring harness, instructions for easy assembly (often a simple kit), and compatibility with standard amp keying lines (open-ground or voltage keying).
Installation: Internal modification; mounts inside the transceiver with minimal soldering/wiring.
Era: Early 1980s, part of the accessory lineup for the Argosy series (alongside filters like 217/218/219/220, noise blanker 223, calibrator 226, power supply 225, etc.).
Build: Sold as a kit (parts, PC board, relays, etc.) for user installation.