Preamps

Subjective3

Name: Subjective3
Rating: 5.0 (2 reviews)

This product has been discontinued. You might be interested in Atom Phono.

Atom Phono

$149.00

Covered by our 2-year transferable warranty

COLOR YOUR LISTENING

We're all about making listening more enjoyable. Transparent amplifiers and DACs bring perfection, but maybe you itch to tweak your sound. Subjective3 is a fun three-band equalizer, enabling you to customize bass, mids, and highs. Or, switch to Bypass mode to let the sound flow through unaltered. A must for any desktop audio enthusiast.

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"It's amazing what just small amounts of adjustment make. Squeaky clean are the words that come to mind."

MIKE T

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"Thanks and great work on the eq! I will probably end up buying another for home, as I use my first one at work."

ROBERT F.

Gallery

Features

100% ANALOG

While you can probably find a software equalizer for your favorite music app, the Subjective3 equalizer is fully analog in nature, so it works with every app.

3-BANDS

The Subjective3 Equalizer has a wide adjustment range of +/-15dB for bass, mids, and treble. The point of an EQ is to tune your listening experience. Subjective3 adds color while achieving low THD+N with its knobs in their neutral positions.

BYPASS MODE

A muting relay eliminates turn on/off transients, and when the EQ is switched off, the original audio signal passes directly to its RCA output jacks.

Customer Reviews

Sep 8, 2024

3 band equalizer

Excellent quality, easy to build, and dead quiet. This device is very small, and minor adjustments with the knobs are readily apparent in the sound. I only moved the mid band and bass band a few degrees to get the sound I desired. I’m running all tubes with the only control being a volume knob. This device allows me to tweak badly recorded tracks to sound more pleasing

Stephen B.

Verified Buyer

Aug 28, 2024

Atom stack with subjective3

Love my new atom stack 2 and subjective so much that I got my wife an atom stack! :). Thank you guys for being great as always.

Michael K.

Verified Buyer

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Specifications

Performance

THD+N, 20-20kHz 0.0022%
Noise (A-Weighted) -104 dBV
IMD CCIF 19/20 kHz -6.03 dBFS 0.001%
IMD SMPTE -6.03 dBFS 0.0009%
Input Sensitivity >2VRMS
Crosstalk (1kHz) -69 dB
Bass Adj. Range ±16.5 dB
Mids Adj. Range ±14.9 dB
Treble Adj. Range ±15.2 dB

Dimensions

Case Dimensions (mm) 108.50 x 80.00 x 29.50
Case Dimensions (in) 4.27 x 3.15 x 1.16
Weight 12 oz

Connectivity

Inputs RCA
Output RCA ^1.
Power 15VAC

^1. You may use Subjective3 between any separate amplifier and DAC, for example, Atom DAC+ → Subjective3 → Atom Amp+. It is not possible to connect an equalizer to a combined amp+DAC such as Element III (also note Element III features parametric bass/treble equalization).

Packaged Items

Subjective3 Equalizer v1.40
14VAC or 15VAC Power Adapter

Instructions & Guides

Subjective3 Instructions
Subjective3 EQ Curves

Subjective3 EQ Curves