Video Chat with a B&H Expert & Get Pro Audio Advice Live!

RDL ACM-3 AM Noise Monitor

RDL ACM-3 AM Noise Monitor
Special Order
Expected availability: 7-10 business days
$74/mo. suggested payments for 12 Mos.
with the credit card.§ 

Important Notice

  • This item is noncancelable and nonreturnable.
Protect your Gear
Add a protection plan from $109.99

True Know-How

Ask Our Experts


RDL ACM-3 Overview

RDL's ACM-3 uses time-proven, industry accepted technology to control synchronous AM noise in order to maintain clarity, maximize loudness and stereo separation, and assure consistency of your signal coverage.

Used by hundreds of FM stations across the US, the ACM-3 provides the AM measurment and continuous monitoring needed for optimum transmitter tuning and performance.

Time-proven, industry accepted technology
Allows maximum bandwidth performance
Accurate AM noise measurement and continuous monitoring
Maintains clarity
Maximizes loudness
Maximizes stereo separation
Reduces subcarrier crosstalk
Assures consistency of your signal coverage
Optional rack-mounting accessories available

RDL ACM-3 Specs

Input and Output Connectors1 x BNC
Max Input Signal30V (Combined Filtered Carrier + AM)
Measurement Range-20dB to -69dB (Front-Panel Display)
-10dB to -90dB (Front-Panel Scope Jack)
Residual Noise< 95dB Below 100% Amplitude Modulation
Oscilloscope JackBNC 5V p-p for Full-Scale Display
Audio Output+4 dBu, 100 Ohm Source Impedance
THD of Recovered AM< 0.03%
DC OutputDC Level Representing Significant Synchronous AM
Dimensions1.7 x 5.8 x 4.1" (43 x 147 x 104mm)
Power Requirements18 VAC, External Supply Included (North America)
Packaging Info
Package Weight1.542 lb
Box Dimensions (LxWxH)6 x 6 x 2.625"

RDL ACM-3 Reviews

See any errors on this page? Let us know