Audiocircle Berlin Line 6.5″ 2-way component speakers
Experience the perfect harmony of audiophile precision and high-performance output with Germany's finest engineering

Award Winning Products
Experience the cutting-edge performance of our award-winning products

Free USA Shipping $99+
Reliable delivery or pickup from our warehouse in Northern California

30 day Returns
If you don't love it, send it back.

Expert Advice / Support
Unsure about a product?
Call/text us: 707-999-3071
Overview
The Audiocircle Berlin Line 6.5″ 2-way component speakers represent the Performance Series in Audiocircle's acclaimed product range, delivering the ultimate fusion of audiophile-grade sound quality and serious power output. These exceptional speakers combine advanced aluminum-paper composite materials with no-holds-barred engineering to provide uncompromising performance for music enthusiasts who demand precision and power from their car audio system.
Performance Series Excellence
Designed for those who want more from their audio experience, the Berlin Line speakers feature sophisticated aluminum die-cast baskets paired with revolutionary aluminum-paper composite cones. This advanced material combination delivers exceptional rigidity while maintaining the natural warmth that only premium composite materials can provide, resulting in crystal-clear midrange reproduction and robust bass response extending to 35Hz.
Advanced Crossover Technology
The Berlin Line incorporates professional-grade crossover networks with phase correction circuits and five-step tweeter attenuation adjustment. Featuring premium Mundorf capacitors, low-resistance air-core coils, and MOX resistors with aluminum heat sinks, these crossovers ensure seamless driver integration with 12dB slopes centered at 2200Hz, delivering the natural, balanced sound signature that makes Audiocircle speakers legendary.
German Precision Engineering
Each component is meticulously handcrafted in Germany using evolved techniques that marry traditional craftsmanship with cutting-edge manufacturing processes. The result is a speaker system that delivers audiophile-level parameters alongside serious sound pressure capabilities, making the Berlin Line perfect for enthusiasts who refuse to compromise between sound quality and dynamic output.
Specifications
Driver Configuration:
- 6.5″ (16.5cm) woofer with black aluminum-paper composite cone
- 26mm silk dome tweeter with acoustic chamber design
- 2-way component system with phase-corrected crossover
Performance Specifications:
- Power Handling: 180W maximum / 80W continuous
- Minimum Amplifier Power: 35W
- Frequency Response: 35Hz – 30,000Hz
- Impedance: 4 Ohms
- Sensitivity: 86dB
- Crossover Slope: 2 x 12dB at 2200Hz
Physical Dimensions:
- Mounting Diameter: 165mm (DIN standard)
- Mounting Depth: 66mm
- Voice Coil Diameter: 25.4mm
- Woofer Weight: 1.5kg per speaker
Advanced Construction:
- Cone Material: Black aluminum-paper composite hybrid
- Basket Material: Die-cast aluminum construction
- Voice Coil: High-temperature copper with Kapton former
- Tweeter Dome: Hand-coated silk with neodymium magnet
- Crossover: Mundorf capacitors with air-core inductors
Technical Parameters:
- Resonant Frequency (Fs): 38Hz
- Maximum Linear Excursion (Xmax): ±4.2mm
- Equivalent Air Volume (Vas): 18 liters
- Total Q (Qts): 0.48
- DC Resistance (Re): 3.6 Ohm
Features
Aluminum-Paper Composite Cone Technology
The revolutionary aluminum-paper composite cone construction combines the natural warmth of premium paper pulp with the rigidity and damping characteristics of molecularly-bonded aluminum layers. This hybrid approach delivers exceptional Young's Modulus without excessive weight, maintaining structural integrity under the most demanding dynamic conditions while providing smooth, articulate sound reproduction across the entire frequency spectrum.
Advanced Tweeter Acoustic Chamber
The 26mm silk dome tweeter features an elaborate rear labyrinth chamber design that eliminates back-wave interference and compression issues. Lined with specialized synthetic materials, this aperiodic-like chamber system traps unwanted back waves and prevents them from affecting the dome's movement. It produces cleaner high-frequency reproduction and superior off-axis response for optimal stereo imaging.
Professional-Grade Crossover Network
The phase-corrected crossover system incorporates premium Mundorf capacitors working with low-resistance air-core coils to provide second-order 12dB slopes. The impedance linearization circuit aligns drivers electrically, ensuring sound from both drivers arrives simultaneously at your listening position. The five-step tweeter attenuation system allows precise tuning to match your vehicle's acoustic environment.
Die-Cast Aluminum Basket Construction
The magnetically inert die-cast aluminum frame features four aerodynamically transparent webs that secure the ferrite magnet assembly while providing exceptional structural rigidity. Extensive ventilation ports around the perimeter allow massive airflow over the voice coil and former, ensuring optimal thermal management and continuous power handling up to 180 watts peak.
Dual Copper Shorting Ring Motor System
The advanced motor assembly incorporates dual copper shorting rings strategically placed within the pole piece and magnet structure. These rings work via Faraday's law of induction to reduce electrical inductance and minimize distortion by controlling eddy currents within the magnetic field, resulting in cleaner, more accurate sound reproduction with improved transient response.
Advanced Cooling Architecture
Unlike conventional ferrofluid-cooled tweeters, the Berlin Line employs a fully ventilated multiple-pole air cooling system that allows unrestricted movement and natural sound reproduction. This innovative cooling approach enables continuous power handling of 120 watts while maintaining deeper resonant frequency and lower distortion than fluid-damped alternatives.
No video available for this product.
Product Specifications
Audiocircle Berlin Line 6.5″ 2-way component speakers