Pultec EQP-500A Equalizer

$1,200.00 Price Tier: High-end

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Page last updated May 30, 2026

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$1,200.00 2 available Used

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Average Price: $1,200

High-end/Boutique

$100

$501+

Price Tier

In the Effects Processors category, Pultec EQP-500A Equalizer is priced in the High-end/Boutique range. This premium gear is built to very high standards and offers premium features.

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High-end

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Description

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Unleash the full potential of your recordings with the Pultec EQP-500A Equalizer, a piece of studio gear that has become a staple for audio engineers who appreciate both vintage warmth and modern precision. This single-channel 500 Series program equalizer embodies the legendary Pultec sound, revered for its ability to add a smooth, musical quality to any track. Unlike its sibling, the EQP-500S, this model boasts distinct frequency points, providing a unique sonic character that is both versatile and richly textured.

Crafted with the same solid-state electronics as the classic EQP-1A3-SS, the EQP-500A delivers a sonic clarity that is only rivaled by its ease of use. Whether you're looking to enhance the low-end punch of a bass guitar or add shimmering highs to a vocal track, this equalizer offers a wide spectrum of tonal possibilities. Its intuitive interface allows for seamless adjustments, making it a perfect addition to any studio setup, from home recording enthusiasts to professional engineers.

With the Pultec EQP-500A, you're not just investing in equipment; you're investing in a tool that will elevate your sound to new heights. Its renowned ability to sculpt audio with minimal phase distortion makes it an essential tool for those who demand both quality and character in their mixes.

Key Features:

Single-channel 500 Series program equalizer
Based on the vintage solid-state Pultec EQP-1A3-SS
Unique frequency points distinct from EQP-500S
Offers vintage warmth and modern precision
Intuitive controls for easy tonal adjustments
Minimal phase distortion for clean audio shaping

Product specs

Brand	Pultec
Model	EQP-500A 500 Series Program Equalizer
Finish	Blue
Year	2010s
Categories	500 Series Modules and Frames, Equalizers

FAQs

What is the Pultec EQP-500A Equalizer primarily used for in a studio setting?: The Pultec EQP-500A Equalizer is renowned for adding warmth and musical coloration to audio signals, making it ideal for enhancing vocals, drums, and bass with its unique ability to simultaneously boost and cut frequencies.
How does the Pultec EQP-500A's boost and cut feature affect audio processing?: The Pultec EQP-500A can simultaneously boost and cut the same frequency, a feature often used to create a smooth, natural sound by enhancing the desired frequency while reducing unwanted resonance.
Is the Pultec EQP-500A compatible with 500 Series racks?: Yes, the Pultec EQP-500A is designed to fit into 500 Series racks, making it a versatile addition to any modular studio setup.
What makes the Pultec EQP-500A different from other equalizers?: The Pultec EQP-500A is distinguished by its ability to impart a warm, musical tone through its broad EQ curves and unique boost/cut technique, often referred to as the "Pultec trick."
Can the Pultec EQP-500A be used on all types of audio tracks?: While the Pultec EQP-500A excels on vocals, drums, and bass, its versatile EQ characteristics make it suitable for a wide range of audio tracks where warmth and tonal enhancement are desired.

Videos

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Jay at Greenbriar Studio

Pultec EQP-500A Demo

Jay at Greenbriar Studio

GEAR & HARDWARE - MY SECRET WEAPON! Pultec EQP-500A - Produce Like a Pro Clips

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Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Pultec EQP-500A Equalizer.

Comparisons

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The PTEq-X by Ignite Amps, preferred for its additional modules and potentially lighter CPU load, is an alternative to UAD's Pultec EQ plugin.
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Many users find hardware Pultec EQs offer a unique sound that software emulations struggle to replicate, leading some to purchase hardware models like the AML eqP-1A for superior audio quality.
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Some users prefer the combined functionality of the UAD Pultec Pro plugin over separate units, citing its inclusion of mid-EQ features as a significant advantage.
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The Gyraf Audio G14-S is mentioned as a hardware alternative, praised for its parallel passive stereo tube equalization that some users prefer over the Pultec for stereo applications.
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Features and functionality

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The UAD Pultec EQP-500A adds noticeable saturation, presence, and volume before any adjustments, emulating the hardware's characteristics.
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Use cases and applications

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Owners highlight the "Pultec punch" achieved by simultaneously boosting and attenuating the low band, creating a unique EQ curve beneficial for kick drums and bass.
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A hardware Pultec clone was praised for its ability to reduce brightness in a sitar by boosting lows and attenuating highs, achieving a balanced tone with minimal adjustments.
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The Pultec EQ is particularly effective for mastering thick electronic/hip hop mixes, adding weight and air without replacing more surgical EQs like the Massive Passive.
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The Pultec EQ excels in broad stroke applications, allowing users to identify and apply substantial boosts in a natural-sounding manner, especially effective on vocal tracks.
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Users frequently employ the Pultec EQP-500A to cut 200 Hz after boosting 100 Hz for achieving a weighty sound without muddiness.
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Boosting 300 Hz and cutting 500 Hz on heavy rhythm guitars is a favored technique for enhancing clarity while maintaining body.
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User experience

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A stereo pair of real Pultecs is considered a studio staple, often used without EQ adjustments just to add analog warmth and color to audio.
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Users find the Pultec EQ’s fast workflow advantageous, achieving desirable EQ curves with quick knob adjustments compared to more complex digital EQ setups.
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Software and compatibility

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Users experience frustration with analog-style plugins due to their less intuitive knob designs, preferring modern GUI layouts for ease of use.
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The Pulsar Massive plugin receives high praise for its sonic quality and modern features, considered superior to other Massive Passive emulations.
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