Golden Age Project EQ-573 500 Series EQ
Best vintage inspired equalization for discerning audio producers.
This 500 Series EQ module delivers the sought-after sonic character of classic 1970s British equalizers, inspired by the legendary 1073. It features a discrete, Class A, all-analog signal path using transistors, resistors, capacitors, and inductors for a fat, punchy, and authoritative tone. The 3-band equalizer offers stepped frequency selection and up to ±18dB of boost or cut, with dual-inductor-based midrange and highpass filters for sonic flexibility. Tantalum capacitors and a star grounding scheme contribute to its pristine audio quality, making it ideal for adding vintage character to vocals, instruments, and mixes.
$269.99
Owner Satisfaction
4.5
/ 5
Category Rank
161
/ 321
#161 in Equalizers
Price vs Category Average
-90%
Below average
Type
500
/ Series EQ
Who it's for
- Audio engineers seeking classic analog warmth for their mixes.
- Home studio owners wanting premium sound without a premium budget.
- Producers who prioritize broad, characterful tonal adjustments.
Who should skip it
- Engineers needing precise, detailed frequency manipulation.
- Newcomers to analog gear without existing 500 series infrastructure.
- Vintage gear collectors demanding absolute sonic authenticity.
Performance breakdown
Vintage Sonic Character
Captures the authoritative, punchy essence of classic 1970s British console circuitry.
Build Quality
Discrete analog components and tantalum capacitors ensure professional-grade durability and performance.
Frequency Precision
Stepped controls provide repeatable, surgical adjustments for consistent mix shaping.
Tone Shaping Flexibility
Inductor-based filters offer a musical, natural response across all three bands.
Workflow Integration
Individual band bypass switches allow for quick A/B comparisons during mixing.
System Compatibility
Requires a dedicated 500 series chassis, limiting use for mobile setups.
Key Specs
Type
500 Series EQ
Bands
3
Frequency Response
33Hz–20kHz
Gain Range
+/- 18dB
Midrange Band
Dual-inductor based
Highpass Filter
Inductor-based
Controls
Stepped frequency selection, ±18dB boost/cut per band, Bypass switches per band, Master Bypass
Components
Discrete transistors, resistors, capacitors, inductors, Tantalum capacitors
Know before you buy
No, this is a 500 Series module. It requires a compatible 500 Series rack chassis to provide power and I/O connectivity.
The EQ-573 is designed to emulate the classic 1970s British sound. By using discrete, Class A circuitry and inductors, it provides that same authoritative, punchy, and warm tonal character found in vintage hardware.
The frequency selection is stepped. This design choice ensures precise, repeatable settings, which is particularly helpful when you need to recall specific EQ curves for mix sessions.
Yes, the module features individual bypass switches for each of the three bands, as well as a master bypass switch, allowing you to quickly compare your processed signal against the dry input.
The unit utilizes a discrete, all-analog signal path featuring high-quality transistors, resistors, capacitors, and inductors. The inclusion of tantalum capacitors and a star grounding scheme helps maintain signal integrity and low noise.
It is excellent for both. Because of its vintage-inspired tone and flexible 3-band control, it works well to add character to raw vocal tracks during recording or to shape instruments and full mixes during the final production stage.
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Ready to buy?
$270