Andrea Systems · Electronic Components
A81-105
Amplifier, Audio Frequency
Part NumberA81-105
ManufacturerAndrea Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5996-01-139-2843 (NSN)
Federal Item NameAMPLIFIER,AUDIO FREQUENCY
Federal Supply Class5996 — Amplifiers
Criticality Code JustificationFEAT
Indicator Device Type And Quantity1 HEADSET
Basic Shape StyleIRREGULAR
Circuit Construction TypeSOLID STATE
External Dc Operating Voltage In V27.5 NOMINAL SINGLE VOLTAGE
Overall Width3.031 INCHES NOMINAL
FSC Application DataINTERCOMMUNICATION STATION C-6624/AIC-25
Inclosure TypeOPEN
Installation DesignMODULE
Overall Length4.250 INCHES NOMINAL
Overall Height1.266 INCHES NOMINAL
Cancelled NSN5996-00-088-0246 (cancelled)
ESD/EMICode B — ESD/EMI sensitive item
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is A81-105 available?
We can source A81-105 even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is A81-105 by Andrea Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If A81-105 has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like A81-105?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for A81-105?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.