D&B Audiotechnik Y-SUB – Cardioid Subwoofer Module (Y-Series)

Name: D&B Y-Sub | Electronic Space
Price: 1500 EUR
Availability: InStock

The D&B Audiotechnik Y-SUB is a high-performance flyable cardioid subwoofer designed for professional sound reinforcement systems requiring precise, controlled low-frequency output. Engineered to integrate seamlessly with Y-Series line arrays, it delivers tight bass response, reduced rearward energy, and scalable deployment for touring and installation environments.

Built by d&b audiotechnik, the Y-SUB is widely used across Europe in festivals, concert touring, and fixed installations, where low-frequency control and system efficiency are critical.

Key Specifications

Configuration: High-performance cardioid subwoofer
Components: 1 × 18″ LF driver (front), 1 × 12″ LF driver (rear)
Dispersion: Cardioid (reduced rear radiation)

Frequency Response (–5 dB):

Standard mode: 39 Hz – 140 Hz
100 Hz mode: 39 Hz – 110 Hz

Max SPL (1 m, free-field):

Up to 134 dB (with D80 / D40 amplifiers)

Power Handling: 600 W RMS / 2400 W peak
Nominal Impedance: 8 Ω

Amplifier Compatibility: D20, D40, D80, 30D, 40D

Cabinets per Amplifier Channel: Typically 2 × Y-SUB

Physical & Mechanical Details

Construction: Marine plywood enclosure with PCP (Polyurea Cabinet Protection) finish
Grille: Rigid steel grille with acoustically transparent foam backing

Rigging:

Integrated 3-point rigging system
Supports flown and ground-stacked configurations
Can be deployed in vertical subwoofer arrays

Handles & Mobility:

Four integrated handles
Rear-mounted transport wheels

Dimensions (H × W × D): ~500 × 630 × 700 / 804 mm
Weight: ~52 kg

Connectors: Dual NL4 (parallel wiring), optional EP5

Key Features & Configuration

Integrated Cardioid Design:
The Y-SUB combines a forward-facing 18″ driver with a rear-facing 12″ driver, creating a cardioid dispersion pattern that minimizes low-frequency energy behind the system.

Dual-Driver Architecture:
The hybrid design (bass-reflex + bandpass) allows:

Deep low-frequency extension
Controlled and tight bass response
Reduced stage noise and feedback

Flyable Subwoofer Capability:
Unlike many subs, the Y-SUB can be:

Flown within line arrays
Integrated at the top of arrays
Ground-stacked for traditional setups

High Output Performance:
Capable of delivering up to 134 dB SPL, suitable for medium to large-scale sound systems.

Low-Frequency Control & System Behavior

The cardioid design is one of the defining features of the Y-SUB.

Practical Acoustic Advantage

Reduces low-frequency spill behind the system
Improves stage monitoring conditions
Minimizes unwanted reflections in venues

Real-World Impact

In live environments:

Cleaner bass response for the audience
Reduced noise pollution on stage
Better overall system clarity

System Integration

The Y-SUB is designed to work as part of a complete d&b system.

Compatible Systems:

Y8 and Y12 line array loudspeakers
Distributed Y-Series setups
Hybrid systems with V-Series or other d&b components

Deployment Configurations

Ground-Stacked Sub Arrays:
Used in front-of-house setups for strong low-frequency impact.

Flown Sub Arrays:
Integrated into line arrays for consistent vertical coverage.

Cardioid Sub Arrays:
Multiple Y-SUB units configured for enhanced directional control.

Typical Setup Example

8–12 × Y8 / Y12 per side
4–8 × Y-SUB ground-stacked or flown
D80 amplifiers controlling full system

Acoustic Modes & DSP Integration

When used with d&b amplifiers, the Y-SUB supports:

Standard Mode:
Full bandwidth operation for maximum low-frequency output.

100 Hz Mode:
Reduces upper bass for smoother integration with top cabinets.

Practical Benefit

Better system alignment with line arrays
Improved tonal balance
Reduced overlap between subs and tops

Ideal Applications

Touring and live sound systems
Festivals and outdoor events
Concert venues and arenas
Corporate productions
Installations requiring controlled low-frequency dispersion

Performance Characteristics

The Y-SUB is known for:

Tight, punchy low-frequency response
Controlled dispersion with minimal rear spill
High output with consistent performance
Reliable operation in demanding environments

Field Insight

In real deployments:

Engineers rely on the cardioid design to control stage noise
Systems require less corrective EQ
Low-frequency coverage remains consistent across large audiences

System Advantages in Practice

Control:
Cardioid design ensures directional low-frequency performance.

Flexibility:
Supports both flown and ground-stacked configurations.

Efficiency:
High output with fewer subwoofers required.

Scalability:
Easily integrated into small or large systems.

Summary

The D&B Audiotechnik Y-SUB is a powerful, cardioid subwoofer delivering precise low-frequency control, high output, and flexible deployment options within the Y-Series ecosystem.

Bottom Line

For professional audio systems in Europe, the Y-SUB provides a highly controlled and efficient low-frequency solution, making it essential for modern line array systems where clarity, directionality, and performance are critical.