RCA KN-1B otherwise known as MI-12004 is a pressure operated microphone made in the 1950's by RCA. It is a multidirectional microphone below 3000Hz and Semidirectional when signal frequency is above 3000Hz.
250 ohms output impedance.
Effective output level: -57dB
Range: 75 - 9000Hz

Comes with RCA KS-5A stand pictured.
Pulled from a working environment, tested and works.
A001.4

This item is sold As-Described

This item is sold As-Described and cannot be returned unless it arrives in a condition different from how it was described or photographed. Items must be returned in original, as-shipped condition with all original packaging.Learn More.

Promoted similar listings













Listed17 days ago
ConditionGood (Used)
Good condition items function properly but may exhibit some wear and tear.Learn more
Brand
Model
  • KN-1B
Categories
Year
  • 1950
Microphone Type
  • Dynamic
Wired/Wireless
  • Wired
Polar Pattern
  • Cardioid

Product safety information may be available here.

Varitone Vintage

Placentia, CA, United States
Joined Reverb:2022

Reverb Protection

Simple Returns, Secure Transactions, Human Support

Learn more

Secure Checkout

Reverb Gives

Your purchases help youth music programs get the gear they need to make music.

Oops, looks like you forgot something. Please check the fields highlighted in red.