Primare A35.8 - 8 Channel Power Amplifier

A35.8 – Eight Channel, Fully Bridgeable, Balanced Input Amplifier

The A35.8 is Primare’s most powerful and flexible multi-channel amplifier, designed to serve the needs of virtually any high-performance multi-channel system through its ability for each pair of channels to be bridged to mono for an incredible level of power delivery and system building options, including 1500 watts of total output in a fully bridged bi-amped stereo configuration.

Key Features

XLR and RCA inputs for each of eight channels of amplification with 150 watts per channel output into 8 ohms, with a maximum output of 1500 watts.

Each pair of output channels can be bridged, allowing the amp to provide power to virtually any multi-channel speaker configuration, either on its own or with an A35.2 stereo amplifier.

For an extraordinarily powerful two-channel bi-amplified system, one fully bridged A35.8 delivers peak power of 4 x 375 watts or 750 watts per pair per channel.

Additional convenience features include auto-sense turn-on from standby and auto standby after an absence of input signal for twenty minutes which can be turned off allowing the A35.8 to remain on indefinitely if preferred.

EISA Power Amplifier 2022-2023 - Primare A35.8

Joint Best Product, Awarded by Both Home Theatre and HiFi Audio Groups

“Designed for both the home theatre audio and hi-fi worlds, Primare’s multichannel 35 Series amplifier deploys eight bridgeable channels of potent, dynamic Hypex Ncore amplification, and then lets the user decide what to do with them. This is a flexible, innovative, and imperious-sounding amplifier, in a stylish, understated chassis typical of the brand.”

Amplifier Technology

The ingenious design of the A35.8 circuit layout provides the most direct delivery and even distribution of power from the power supply to the amp modules tucked into heatsinks that isolate them from any power supply noise. In turn, this innovative construction isolates the input and output stage from any noise the amp modules might produce. Input and output signals are delivered to and from the amp module through an uninterrupted ribbon of circuit board threaded through a channel in the heat sinks for the shortest possible signal path.

System Configurations

The bridging capabilities of the A35.8 allow it to be used in a variety of system configurations, with or without the addition of a stereo amplifier, to suit most multi-channel system requirements. A few examples:

• 5.1, 7.1 and 5.1.2 channel systems can be powered by a single A35.8
• 5.1.4, 7.1.2, 7.1.4 channel systems can be driven by combining an A35.8 with a number of A35.2 stereo amplifiers
• 9.1.6 and 13.1 Auro 3D systems can be configured using two A35.8 amplifiers

Our Design Philosophy

Primare products embody the Scandinavian design ideal of lagom – that sense of not too much or too little, but just right; everything in balance, proportion, and harmony.

Eight Channel Fully Bridgeable Amplifier

Not only is the A35.8 is the most powerful amplifier Primare has built, but it is also the most flexible, designed to serve the needs of virtually any high-performance two and multi-channel system through its ability for each pair of its eight channels to be bridged to mono for an incredible level of power delivery, up to 1500 watts in total.

Status Indicator System

At start up, eight internal red LED lamps, one at the base of each amp module, will flash should clipping conditions occur, visible through the top cover from above.

Additionally, an eight LED warning system is located under the top cover at the front of the amp that will indicate the following:

• On – DC is detected on the related amp module
• Flashing – overheating on the related amp module
• All lights cycling – power supply unit overheating

Power Supply

The foundation of the A35.8 is the largest power supply Primare has ever designed, incorporating APFC and soft clipping circuitry, implemented to ensure stable performance up to the very limits of its capabilities. Dual connecting cables from the power supply mean that each group of four amplifier modules are provided with more direct and consistent power delivery by the shortest power path.

Amplification Stage

The ingenious design of the A35.8 circuit layout provides the most direct delivery and even distribution of power from the power supply to the amp modules tucked into heatsinks that isolate them from any power supply noise. In turn, this innovative construction isolates the input and output stage from any noise the amp modules might produce. Input and output signals are delivered to and from the amp module through an uninterrupted ribbon of circuit board threaded through a channel in the heat sinks for the shortest possible signal path.

Inputs/Outputs

RCA and XLR balanced input options are offered for each of the eight channels and bridging capabilities for each pair of channels, with maximum power output of 1500 watts, providing the capability of delivering 185 watts at 1KHz of peak power per channel, all channels driven.

• Power output is rated as 150 watts into 8 ohms, 300 watts into 4 ohms, and 400 watts into 2 ohms at 1kHz.
• Each pair of outputs can be bridged, capable of producing 740 watts into 8 ohms (clipping protection limited), 750 watts into 4 ohms, and 450 watts into 2 ohms at 1kHz.

The Look and Feel of Scandinavia

We believe that every aspect of our products – the way they look, the satisfying feel of the controls – contributes to the overall experience of living with Primare. As a result, Primare products exude the hallmarks of Scandinavian design – simple, elegant designs, with approachable and easy to understand functionality. An example of this is the idea of being inconspicuous, of not drawing undue attention, which is inherent in the physical design of the A35.8 Prisma, both in its compact size as well as the ingenious standby button hidden within the centre of the engraved Primare logo on the front panel.

System Building

The following system layout diagrams illustrate the system building versatility of the A35.8 and A35.2 amplifiers.

5.1 Dolby/DTS System

Uses bridged pairs of outputs for Front Left, Right, and Centre, with the remaining two outputs for the Surround Left and Right speakers.

7.1 Dolby/DTS System

Uses one bridged pair of outputs for Centre, with the remaining outputs for the Front Left and Right, Surround Left and Right, and Rear Surround Left and Right speakers.

5.1.2 Dolby Atmos/DTS:X System

Uses a bridged pair of outputs for Centre, with the remaining outputs for the Front Left and Right, Surround Left and Right, and Height Left and Right speakers.

5.1.4 Atmos/DTS:X System

Adds an A35.2 stereo amplifier for the Front Left and Right speakers, while using one bridged pair of outputs from the A35.8 for Centre, and the remaining outputs from the A35.8 for Surround Left and Right, Front Height Left and Right, and Rear Height Left and Right speakers.

7.1.2 Atmos/DTS:X System

Adds an A35.2 stereo amplifier for the Front Left and Right speakers, while using one bridged pair of outputs from the A35.8 for Centre, and the remaining outputs from the A35.8 for Surround Left and Right, Rear Surround Left and Right, and Height Left and Right speakers.

7.1.4 High-Power Atmos/DTS:X System

Adds three bridged A35.2 amplifiers for Front Left, Right, and Centre speakers, while the A35.8 provides the Surround Left and Right, Rear Surround Left and Right, and Front and Rear Left and Right Height speakers.

13.1 Auro 3D System

Uses two A35.8 amplifiers, with bridged pairs of outputs for the Front Left and Right speakers, and the remaining 11 outputs for the Centre speaker, Front Left and Right Height speakers, Surround Left and Right speakers, Middle Left and Right Height speakers, Rear Surround Left and Right speakers, Rear Left and Right Height speakers, and Top speaker.