API 512v

$945.25 to $1,111.00

2 Critic Reviews

Find out who is using API 512v

2 community setups

1 wishlisted

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Page last updated Jun 19, 2026

Pricing and availability

We compare 600+ stores and found this item at 6 stores. Prices updated June 19, 2026.

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5.0 (9)

$995.00

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$995.00

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5.0 (2)

$945.25

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5.0 (4)

$995.00 10 available New

$830.00 3 available Used

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5.0 (12)

$1,122.00 $1,111.00 $11.00 · All time low

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5.0 (10)

$995.00

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Price History

Based on price data from 5 merchants for "API 512v". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

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Dive into the heart of your audio with the API 512v, a beacon of clarity in the world of 500 Series mic preamps. This gem retains the legendary essence of the 512C, renowned for shaping the sound on timeless tracks, while introducing enhancements that cater to the modern producer. Featuring the revered 2520 opamp, the API 512v delivers unparalleled fidelity and warmth. Its discrete design is fine-tuned with mic/line switching, precise output level control, and a transformative 3:1 output transformer tap, allowing you to saturate your sound with that distinctive API character without breaking a sweat. Whether you're laying down your next hit or refining a mix, the API 512v stands ready to inject your recordings with the professional sheen they deserve.

Key Features:

Utilizes the iconic 2520 opamp for superior audio quality
Discrete design with mic/line switching for versatile application
Output level control for precise signal management
3:1 output transformer tap to easily achieve the classic API sound

Product specs

Available since	December 2017
Pre-Amp	Yes
48 V Phantom power	Yes
compressor	No
limiter	No
equalizer	No
De-Esser	No
other processors	No
Rack/Frame	No
supplies	No

FAQs

What type of inputs does the API 512v preamp offer?: The API 512v preamp features a front panel combo-style XLR and 1/4 inch line/instrument input, allowing for versatile connectivity options for microphones, line-level devices, and instruments.
Does the API 512v preamp provide phantom power for condenser microphones?: Yes, the API 512v preamp includes a switchable 48V phantom power, making it suitable for use with condenser microphones.
How much gain does the API 512v preamp provide?: The API 512v offers 65 dB of gain for microphone inputs and 45 dB of gain for line/instrument inputs, providing ample headroom for various recording scenarios.
What is the purpose of the 3:1 output transformer tap on the API 512v?: The 3:1 output transformer tap selection on the API 512v allows users to adjust the output impedance, which can influence the tonal character and headroom of the preamp's output.
Is the API 512v preamp suitable for both studio and live sound applications?: Yes, the API 512v is designed with a fully discrete circuit and rugged construction, making it suitable for both studio recording and live sound applications.

Videos

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Vintage King

Comparing The API 512c vs. 512v With Vintage King | Vintage King

Vintage King

API 512V Preamp - AES 2016

Sound On Sound magazine

Is An Expensive Preamp Required for Great Guitar & Bass Tones?

Jeremy Fox

Reviews

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PROS

Exceptional sound quality, enhancing mixes significantly
Versatile usage across instruments and vocals
Maintains punchiness and dynamics without unwanted compression
Input and output knobs allow for tone shaping and avoiding distortion
3:1 transformer switch adds further aggression for dynamic sounds
Can be driven loud without distorting the sound
Midrange presence and clear, detailed highs
DI input offers excellent quality for guitar and bass
Compatible with other API gear for a cohesive setup
Unique API tonal coloration and character

CONS

Packaging lacks durability and practicality, not tailored to the product
No manual provided, potentially challenging for beginners
Lacks a protective steel casing, exposing components to potential damage
Requires manual warranty registration, which may deter some users
Perceived as expensive, despite quality

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about API 512v.

Features and functionality

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The API 512v includes a separate output knob and a transformer tap switch, providing more flexibility compared to the 512c.
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The API 512v's output control attenuator is praised for enabling proper gain staging while still achieving desired saturation effects.
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Comparisons

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The 512v offers variable output control, eliminating the need for external barrel attenuators used with the 512c.
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The Lachapelle preamp is suggested for a "tubey" sound, providing a different tonal color compared to the Neve and API preamps.
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The Hairball Bronze preamp, based on the LA3A output amplifier, is noted for its warm, rich saturation when pushed, contrasting with the cleaner API and Neve tones.
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The Great River preamp offers 5 dB more gain than the API 512v, making it preferable for lower volume sources when used with an SM7B.
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Use cases and applications

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The 512v is ideal for those who want to push signals without overloading the AD converter due to its enhanced output control.
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The Great River MP500-NV is highly recommended for vocals, praised for its incredible sound quality in this application.
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The AEA RPQ500 is essential for ribbon mic users, offering high input impedance and minimal coloration, especially beneficial for transparent tone.
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The API 512v is ideal for aggressive vocal styles or loud instruments where cranking gain is less of an issue.
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Value and pricing

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An extra $100 for the 512v is considered worthwhile by owners for its added control features.
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Mods and upgrades

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CAPI and AML DIY preamp kits are noted for offering vintage sound at a lower cost, with the Hairball Lola allowing opamp selection for tonal customization.
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User experience

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Users note that API preamps, like the 512v, can amplify ambient noise significantly at high gain settings due to their sensitivity.
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Setup and maintenance

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When using an SM7B with API preamps, achieving optimal proximity to the mic is crucial for balancing direct sound with ambient noise.
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It's advised to pair an API 512v with a vocal isolation setup to minimize background noise in untreated rooms.
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Critic Reviews

API 512v Mic Preamp

soundonsound.com

The API 512v serves up a delightful blend of classic sound and modern functionality, retaining the revered sonic character while introducing useful features like output attenuation and a 3:1 transformer tap. This update enhances usability for today’s DAW-centric setups. While some may find the lack of indicator LEDs on the front panel switches a minor oversight, the overall performance is robust, delivering warmth and clarity across various sources. Whether you're tracking vocals or DI’ing bass, the 512v shines, making it a worthy contender among its peers. A few tweaks could elevate it further, but it remains a stellar option for serious audio engineers.

positive

Full Review

API 512v Discrete Mic/Line Pre Review - An Industry Standard Improved

musictech.com

The API 512v reimagines a classic with impressive new features like an output attenuator and a 3:1 transformer tap, enhancing flexibility without losing the beloved sound of its predecessor. In studio tests, it delivers punchy, aggressive tones ideal for rock and drums, with the added ability to coax new life from synths. However, this preamp's character may not suit everyone, as its robust sound is distinctly tailored for specific genres. While the price tag of $995 raises eyebrows, the 512v shines in its performance, making it a compelling choice for serious music producers.

positive

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