Nuforce AVP18 Preamp Processor

Description

The NuForce AVP‑18 is a high-performance home-theater surround processor and digital preamplifier designed for enthusiasts who prefer separate audio components rather than traditional AV receivers. Introduced in the mid-2010s, the AVP-18 was created to serve as the control center for a modern home-theater system, handling surround decoding, digital-to-analog conversion, and signal processing while relying on external power amplifiers for speaker amplification.

NuForce built its reputation on compact, high-performance audio electronics, and the AVP-18 reflects the company’s focus on clean digital design and audiophile-grade circuitry. Unlike many receivers that include built-in amplification, the AVP-18 is strictly a processor and preamplifier, allowing users to pair it with dedicated multichannel power amplifiers for improved performance and system flexibility.

One of the most distinctive aspects of the AVP-18 is its fully digital signal path and high-resolution DAC architecture. The processor incorporates a 24-bit / 192 kHz digital-to-analog converter, enabling it to reproduce high-resolution audio formats with clarity and dynamic range. The unit accepts only digital source inputs, ensuring that signals are processed through its internal DACs without unnecessary additional conversions.

For home-theater playback, the AVP-18 supports a wide array of modern surround formats. These include Dolby TrueHD, Dolby Digital Plus, DTS-HD Master Audio, DTS-ES, DTS Neo:6, and Dolby Pro Logic IIx/IIz, enabling the processor to decode lossless soundtracks from Blu-ray discs and other high-definition sources. The processor can output audio to a full 7.1-channel speaker system, making it suitable for advanced surround setups.

Another major highlight is the processor’s extensive room-tuning capability. The AVP-18 includes an automated calibration routine using a supplied microphone, allowing it to analyze room acoustics and adjust speaker settings accordingly. Advanced users can also manually fine-tune the system using fully parametric equalization with eleven adjustable bands for each channel, providing extremely precise control over the system’s tonal balance.

Bass management is similarly flexible. The processor features quadruple bass management, enabling separate crossover adjustments for front, center, surround, and rear speakers. This makes it easier to integrate subwoofers and tailor the system to different speaker configurations or room acoustics.

Video connectivity is designed for modern sources. The AVP-18 includes four HDMI inputs and one HDMI output, supporting HDMI 1.4 features such as 1080p video, 3D playback, HDMI ARC, and CEC control. The processor uses video passthrough rather than heavy video processing, ensuring that the original video signal reaches the display with minimal alteration.

In addition to HDMI connectivity, the AVP-18 provides coaxial and optical digital inputs, along with analog 7.1 pre-outs for connection to external power amplifiers. A rear-panel RS-232 port allows integration into custom installation systems, and firmware updates can be performed through a USB connection.

Reviewers and product descriptions often highlight the AVP-18’s strong value and clean design. One summary noted that the processor is “the ideal base for building an audiophile home-theater system,” thanks to its high-resolution decoding and extensive configuration options. Another description emphasizes the “slim and minimalist chassis” combined with powerful processing features and advanced equalization tools.

Overall, the NuForce AVP-18 provides a versatile and capable solution for enthusiasts building a separate-component home-theater system. With advanced surround decoding, customizable room-tuning tools, and modern HDMI connectivity, it remains a practical processor for high-quality multichannel audio setups.

Product Specifications

• Component Type: Home-theater surround processor / AV preamplifier

• DAC: 24-bit / 192 kHz digital-to-analog converter

• Supported Audio Formats:

  • Dolby Digital, Dolby Digital EX

  • Dolby Digital Plus, Dolby TrueHD

  • Dolby Pro Logic IIx / IIz

  • DTS, DTS-ES, DTS-HD Master Audio

  • DTS Neo:6

• Maximum Channels: 7.1-channel surround output

• Frequency Response: 20 Hz – 20 kHz

• Total Harmonic Distortion: 0.05%

• Signal-to-Noise Ratio: 100 dB

Connectivity

• 4 × HDMI inputs (HDMI 1.4)

• 1 × HDMI output with ARC

• 2 × coaxial digital inputs

• 2 × optical digital inputs

• 1 × optical digital output

• 7.1-channel RCA analog pre-outs

• RS-232 control port

• USB port for firmware updates

• 12-volt trigger output

Video Support

• HDMI video passthrough

• 480p / 576p / 720p / 1080i / 1080p

• 3D video compatibility

Room Calibration

• Automatic microphone-based setup

• 11-band parametric EQ per channel

• Adjustable crossovers and bass management

General

• Dimensions: 430 × 81 × 341 mm (17 × 3.1 × 13.4 in)

• Weight: 4.6 kg (10.1 lb)

• Finish: Black