Andrea Systems · Electronic Components
A81-85
Amplifier, Audio Frequency
Part NumberA81-85
ManufacturerAndrea Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5996-00-880-3562 (NSN)
Federal Item NameAMPLIFIER,AUDIO FREQUENCY
Federal Supply Class5996 — Amplifiers
Overall Width2.500 INCHES NOMINAL
Overall Length3.500 INCHES NOMINAL
Frequency Per Channel300.0 HERTZ MINIMUM OPERATING CHANNEL AND 6.0 KILOHERTZ MAXIMUM OPERATING CHANNEL
Variation Frequency Rating In Deci6.0
Impedance Rating Per Channel15.000 OHMS INPUT CHANNEL AND 50.000 OHMS OUTPUT CHANNEL
Average Power Rating Per Channel26.0 MILLIWATTS OUTPUT
External Dc Operating Voltage In V17.0 MINIMUM SINGLE VOLTAGE AND 29.0 MAXIMUM SINGLE VOLTAGE
Overall Height1.906 INCHES NOMINAL
Basic Shape StyleRECTANGULAR OR SQUARE
Vendor Part NumbersAM4347A1C25
Cancelled NSN5996-00-952-3453 (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 A81-85 available?
We can source A81-85 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 A81-85 by Andrea Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If A81-85 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 A81-85?
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 A81-85?
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.