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H2 AUDIO  |  SKU: 24472

0011 Stereo Black

Dual Mic-Preamps

Stereo 2U rack with original Helios 2128 preamp, 70dB gain, inductor EQ, Lustraphone transformers, HPF, phase, bypass, balanced line in, output transformer.

$5,665.00 CAD
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Description

The H2 Audio Helios 0011/Stereo - Black captures the iconic tone and musicality of vintage Helios gear in a dual-channel rackmount format. Housed in a rugged 2U steel chassis, this unit features two complete Helios 0011 channel strips, combining the classic 2128 mic preamp circuit with the revered inductor-based EQ section-all carefully engineered to stay true to the legendary British console sound that defined countless classic recordings.

Each channel offers 70dB of gain in 5dB steps, a balanced line input, a Lustraphone input transformer, and the signature Helios EQ with selectable low and mid frequencies, fixed 10kHz high frequency, and switchable high-pass filters at 40Hz and 80Hz. With a newly added output amplifier and transformer, this version resolves a common limitation of vintage Helios units, driving 600-ohm loads with up to 25dB before clipping. Whether for vocals, instruments, or stereo mixes, this stereo channel strip delivers rich harmonic detail and punchy analog character, perfect for serious tracking and mixing setups.

Features

Delivers classic Helios sound with two 0011 mic preamps and EQs in one 2U rack unit.

Features the original Helios 2128 preamp circuit with up to 70dB of gain.

Includes inductor-based EQ with selectable low/mid bands and fixed high frequency.

Built-in high-pass filter with selectable 40Hz and 80Hz settings.

Phase reverse, EQ bypass, and balanced line input for flexible routing.

Output amp with transformer drives 600 ohm loads without distortion.

Vintage tone, updated for modern studios in a durable steel chassis.

Comes with an IEC power cable and manufacturer warranty.

Specifications

General Specifications

Product Name: Helios 0011 Stereo Channel Strip

Colour: Black

Format: 2U 19 inch rackmount

Channels: Dual mono for stereo operation

Chassis: All steel construction

Mic Preamplifier Section

Circuit: Original Helios 2128 preamp

Gain: 70 dB in 5 dB increments

Pad: 20 dB pad switch

Input Transformer: Lustraphone

Line Input: Balanced line-in section included

Output Amp: Helios design with output transformer

Drive Capability: Up to 25 dB before clipping into 600 ohm load

Equalizer Section

EQ Type: Inductor based EQ

Bands: Low Frequency: Selectable, Mid Frequency: Selectable, High Frequency: Fixed at 10 kHz

Features: EQ Bypass, Phase Control, Selectable High Pass Filter (40 Hz and 80 Hz)

Power & Connectivity

Power: IEC connection

Phantom Power: 48V supplied by compatible H2 Audio 8 channel rack

Included in the Box

H2 Audio Helios 0011 Stereo Channel Strip

IEC Power Cable

Manufacturer Warranty

Use Case

Ideal for engineers and producers seeking the authentic sound of classic Helios preamps and EQs in a modern stereo rack format for tracking and mixing applications.

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