ResonantLive Sound Archive

Equipment file · Microphone preamplifier module

AM-16 amplifier

Langevin · 1960s

Evidence status · documented

Identity and core specifications are documented; some historical fields remain unavailable.

The Langevin AM16 was a discrete, transformer-balanced microphone preamplifier module built into console frames, with gain set by a stepped switch of roughly 50 dB. Surviving modules include some marked as coming from Capitol Records consoles.

Introduced
1960s
Category
Microphone preamplifier module
Intended use
Console-mounted mic preamp
Production
Langevin, as console tray modules

Why it mattered

  1. 01

    Part of the generation of transformer-coupled discrete modules that defined 1960s consoles.

  2. 02

    Its modular console approach anticipated the channel-strip consoles used on tour.

Engineering record

Gain
Stepped switch giving about 50 dB[1]
Topology
Discrete Class-A circuit with transformer-balanced input and output[1]

Original pricing

No reliable period price located

2026 equivalent

Not calculated without a reliable original price.

Public price evidence was not sufficient to publish a defensible original figure.

Use in the field

Modules marked from Capitol Records consoles[1]

Manuals & original documents

No authoritative manual or original document has been located for this profile.

Sources

  1. 1Langevin AM16 Dual Mono Mic Preamp reviewTape Op · reference

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