AMPLIFIER (P/N lm74in) - New Surplus
P/N: lm74in
Category: Electrical Components
This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).
Available Inventory
| Condition | Stock |
|---|---|
| New Surplus | 4 Available |
Product Description
The lm74in is an audio amplifier for aircraft communication systems. It boosts low-level signals from audio control units to headset circuits, enabling clear intercom and radio distribution. Installed between control units and headset interfaces per aircraft wiring diagrams and avionics manuals.
The amplifier meets RTCA DO-160 environmental testing standards for airborne equipment reliability. Verify compatibility with your aircraft's specific intercom or radio system before installation.
Please note: Product descriptions are provided for informational purposes. Always refer to your aircraft's Illustrated Parts Catalog (IPC) to verify part compatibility and specifications.
Frequently Asked Questions
What is the AMPLIFIER (P/N lm74in)?
The lm74in is an audio amplifier for aircraft communication systems. It boosts low-level signals from audio control units to headset circuits, enabling clear intercom and radio distribution.
Is the lm74in compatible with my aircraft's avionics suite?
Avionics compatibility depends on your aircraft model and existing installation. The AMPLIFIER is available in: New Surplus. We recommend checking your aircraft's wiring diagrams and STC documentation, or contact our avionics team for compatibility assistance.
Does the lm74in come with an 8130-3 airworthiness tag?
Availability of an FAA 8130-3 tag depends on the part condition. Overhauled and repaired units typically include 8130-3 documentation. As-removed units may include a removal tag with trace history. Contact us for specific documentation on the condition you need.
Do you offer bench testing for the lm74in?
We can arrange bench testing through our network of FAA-certified repair stations. Call (904) 998-9101 for testing availability and turnaround times, or submit an RFQ with your specific requirements.
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