Black Widow NHB-268TWO

Description

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The 268 stage power amplifier adopts four aluminum alloy shock absorbers with pit vibration and double-layer combination

**Black Widow NHB-268TWO – High-Performance Fully Balanced Power Amplifier**

### **Product Overview**

The **Black Widow NHB-268TWO** is engineered for audiophiles who demand **power, precision, and musical realism**. Combining advanced circuit design with premium components, this amplifier delivers an effortlessly dynamic and refined listening experience—even with the most demanding loudspeakers.

### **Key Features & Engineering Excellence**

**1. Ultra-Low Noise Power Supply**

Each channel is powered by a dedicated **600W custom transformer**, built with premium German-grade core materials and housed in a sealed stainless steel casing.

The result: **extremely low operating noise**—so silent that without the illuminated front panel, you might think the amplifier isn’t even on.

A robust **soft-start circuit** protects the amplifier by preventing inrush current damage during power-up, ensuring long-term reliability and stability.

Selectable voltage support: **110V / 115V / 120V / 220V / 230V / 240V** (default: 115V/230V).

**2. Massive Energy Storage**

Equipped with **12 custom SP AUDIO capacitors (22,000µF / 63V each)**:

* Total per channel: **132,000µF**

* Ensures instant energy delivery for explosive dynamics and deep, controlled bass

**3. True Fully Balanced Architecture**

From input to output, the NHB-268TWO features a **fully balanced symmetrical circuit design**:

* Differential input stage to final output

* Premium **ON Semiconductor audio-grade components** throughout

* Each channel uses **4 high-power output transistors**, delivering exceptional current for even the most demanding speakers

**4. High Power with Headroom to Spare**

* **260W RMS @ 8Ω per channel**

* **420W RMS @ 4Ω per channel**

With generous power reserves, the amplifier maintains control and authority at all listening levels—delivering **rich, full-bodied sound even at low volumes**, with deep bass and exceptional musical weight.

**5. Premium Power Delivery Components**

Custom **5mm thick gold-plated copper busbars** ensure unrestricted current flow, preserving dynamics and preventing compression under heavy load.

**6. Luxury Industrial Design**

* Top panel: **8mm semi-transparent tinted glass**

* Internal **10mm aluminum cross-bracing structure** separates channels and reduces vibration/interference

* Thick gold aluminum front and rear panels for rigidity and premium feel

The bold **gold + red heatsink design** symbolizes:

* Gold → wealth & success

* Red → passion & power

A striking visual statement that reflects the amplifier’s **luxury and performance DNA**.

### **Outstanding Speaker Matching**

Designed to effortlessly drive world-class loudspeakers such as:

* ATC

* THIEL

* B&W

* PROAC

* Dynaudio

* Usher

No matter how demanding the load, the NHB-268TWO delivers **authority, control, and musical finesse**.

### **Technical Specifications**

• **Power Output:**

* 260W RMS @ 8Ω

* 420W RMS @ 4Ω

• **Gain:** 32dB (fixed, 8Ω reference)

• **Input Impedance:**

* RCA: >30kΩ (5Hz – 200kHz)

* BNC: 50Ω ±1Ω (10Hz – 100kHz)

* XLR: >100kΩ

• **Frequency Response:**

* BNC: 20Hz – 100kHz (+0 / -6dB)

* RCA: 20Hz – 100kHz (+0 / -0.5dB)

* XLR: 20Hz – 50kHz (±0.5dB)

• **THD:** < 1% (22Hz – 77kHz)

• **Signal-to-Noise Ratio:** > 100dB (A-weighted)

• **Power Consumption:**

* Standby: 85W

* Max Output: 1300W

• **Dimensions:**

* 450mm (W) × 365mm (D) × 160mm (H)

* Front panel height: 170mm

• **Weight:** 40 kg

• **Inputs:** RCA / XLR / BNC (one each)

• **Default Mode:** BTL bridged balanced output

### **Conclusion**

The NHB-268TWO is more than just an amplifier—it is a **powerhouse of precision engineering and musical expression**.

Designed for those who refuse to compromise, it delivers:

**Deep authority, refined detail, and effortless control**—bringing your music to life exactly as it was meant to be heard.

**Feel the power. Hear the truth. Own the experience.**