P/N: m7851b
Category: Audio Panels & Intercom
This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).
| Condition | Stock |
|---|---|
| As Removed | 2 Available |
The m7851b is an aircraft audio amplifier that boosts low-level signals from avionics, intercom systems, and PA equipment to drive headsets and cabin speakers. Qualified to RTCA DO-160 environmental standards with newer designs approved under FAA TSO-C139, this amplifier handles cockpit communications, aural alerts, and passenger announcements. Installation requires impedance and power compatibility verification with existing audio equipment per the aircraft wiring diagram and maintenance manual.
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.
The m7851b is an aircraft audio amplifier that boosts low-level signals from avionics, intercom systems, and PA equipment to drive headsets and cabin speakers. Qualified to RTCA DO-160 environmental standards with newer designs approved under FAA TSO-C139, this amplifier handles cockpit communications, aural alerts, and passenger announcements.
Avionics compatibility depends on your aircraft model and existing installation. The AUDIO AMPLIFIER is available in: As Removed. We recommend checking your aircraft's wiring diagrams and STC documentation, or contact our avionics team for compatibility assistance.
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.
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.