Golden Age Audio PRE-573 Premier

A Classic Revisited in 500 Series Format

The PRE-573 PREMIER follows the tradition of "old-school" preamps designed before the widespread use of integrated circuits. Its circuit is said to be similar to the preamp section of the classic 1073 module, which explains its immediately familiar character: a presence that naturally sits in the mix, sharp attacks, smoothness in the high frequencies, and a musicality that is very forgiving. In 500 series module format, it makes this sonic aesthetic more accessible while remaining perfectly suited to modern studio workflows.

Who Is It For and What Studio Applications?

This single-channel preamplifier is designed for sound engineers, demanding home studio users, and musicians who want a vintage console sound without multiplying processing stages. It excels on vocals (grain, density, articulation), guitars (DI or amp mic), bass (foundation and impact), and transient-rich sources such as snare drum, toms, or overheads when seeking punch without harshness. With its wide gain range and recording switches, it adapts equally well to dynamic microphones, ribbon mics (depending on output level), and condensers via phantom power.

Key Features and Sonic Character

Discrete Signal Path: Dynamic and "Body" Sensation

The PRE-573 PREMIER uses a topology where the audio path relies on discrete components (resistors, capacitors, transistors), with no integrated circuits in the signal path. This design philosophy aims for a more organic reproduction, with subtle harmonic saturation when pushing the gain, and a sense of dimensionality especially appreciated on recordings made through digital conversion.

Carnhill Transformers: Balanced Input/Output and Characterful Grain

The microphone and line inputs as well as the line output are transformer-balanced, with two distinct transformers, each optimized for its function. In this PREMIER version, the presence of Carnhill transformers contributes to the expected sonic signature: solid lows, expressive mids, silkier highs, and a sense of cohesion that helps sources "sit" in a dense mix.

Recording Tools: Impedance, High-Pass Filter, Phase, and DI

To work quickly and cleanly, the module offers a switchable impedance (1200 or 300 Ohms) that allows adjusting interaction with certain microphones (thus affecting perceived level, openness, and weight). The high-pass filter (45 or 180 Hz) helps clean up sub-bass, control proximity effect, or secure a vocal take before compression. The phase inversion is valuable in multi-mic setups, and the front-panel 6.3 mm jack DI simplifies direct recording of guitar, bass, or synth.

AIR EQ: Air Without Harshness

The AIR EQ switch adds a 6 dB boost around 30 kHz (specified value), useful for restoring "air" to a vocal, brightening acoustics, opening overheads, or adding a sense of definition without tipping into harsh treble. It is a quick tool to regain a sense of detail, especially when recording through a very neutral chain.

Technical specifications

Number of channels

1

EQ

Filter

Type	500 series preamplifier module	Gain range	-10 dB to +80 dB
Channels	1 channel	Switchable impedance	1200 / 300 Ohms
Function	vintage-style mic/line/instrument preamplifier	Switchable high-pass filter	45 / 180 Hz
Architecture	signal path without integrated circuits, only discrete components (resistors, capacitors, transistors)	AIR EQ	6 dB boost around 30 kHz
Mic and line input and line output	transformer-balanced	Front-panel instrument input (DI)	6.3 mm jack
Transformers	Carnhill (input and output)	Phase inversion switch	yes
Maximum gain (microphone)	80 dB	Phantom power	+48V switchable