AML 54F50

AML 54F50 is a compressor/limiter for the 500 series, manufactured by AML.

History
The AML 54F50 was released in 2011.

Official description
54F50 Compressor / Limiter - API 500 series format

The 54F50 is a Class A, compressor and limiter module which occupies three slots in a 500 series rack. Fully populated with Carnhill transformers to achieve its distinctive classic sound. This high-end hand-built British module provides an affordable solution for the modern cost conscious studio.


 * Classic 4 stage (Class A) amplifier, 4 transformer design
 * All discrete component (no surface mount devices)
 * Entirely hand assembled and tested in the England to exacting quality standards.
 * Line Input: Carnhill transformer balanced (Mu-metal screened Classic VTB9046), 10k Input Impedance
 * Interstage: Carnhill Mu-metal screened Classic VTB9045 and VTB9046
 * Line Output: Carnhill transformer balanced (Classic full size output transformer)
 * Compressor: (Class A) amplifier design
 * Ratio 1.5:1, 2:1, 3:1, 4:1 & 6:1
 * Dual attack speeds (Fast = 5mS, Slow = 25mS) *
 * Make-up gain 0dB to 20dB in 2dB steps
 * Recovery (release) 400mS, 800mS, 1.6S & Auto
 * Threshold –20dBu to +10dBu
 * Limiter: (Class A) amplifier design
 * Dual attack speeds (Fast = 100uS, Slow = 5mS) *
 * Recovery (release) 100mS, 200mS, 800mS & Auto
 * Threshold +4dBu to +12dBu (in 1dB steps)
 * Stereo link via either the backplane edge connector, an XLR or both
 * Illuminated meter selectable for input, output or gain reduction metering.
 * Power off signal bypass
 * Entirely stainless steel chassis.
 * Total current consumption 150mA (per unit)
 * Also available supplied as a pair in a box containing a “mono/stereo” switch