What is the primary function of the Synergy SYN-20IR?

The SYN-20IR is a 20-watt all-tube head designed to host Synergy preamp modules, allowing players to swap different boutique amp circuits into a single power amp platform.

How many channels does the SYN-20IR have?

It functions as a three-channel amplifier. It has one built-in clean channel and two additional channels provided by the specific Synergy preamp module installed in the dock.

Does the SYN-20IR require a speaker cabinet to operate?

No, it features integrated impulse-response technology that allows for cab-less performance and silent recording by sending a simulated signal directly to a mixer or interface.

What type of power tubes are used in the SYN-20IR?

The power section utilizes EL84 vacuum tubes, which are known for their rich, responsive character and classic valve compression.

What is the purpose of the Sag response control?

Designed by Fryette, the Sag control simulates the compression and 'give' of a vintage tube rectifier, allowing the player to adjust how the amp reacts to heavy picking.

Can the SYN-20IR produce high-gain tones?

Yes, while the internal clean channel is vintage American-voiced, the amp can achieve modern high-gain aggression by installing a high-gain Synergy dual-channel preamp module.

What is the 'Structure' mode on this amplifier?

Structure modes are selectable settings that adjust the gain architecture and feel of the amp, helping it react like a much larger, higher-wattage valve amplifier.

What does the Reactance control do?

The Reactance control adjusts the interaction between the power amplifier and the speaker (or simulated load), affecting the low-end resonance and overall feel.

Is the IR technology high-latency?

No, Synergy has designed the integrated impulse-response system to operate with ultra-low latency, ensuring the player feels no delay between their touch and the sound.

What is the sonic character of the built-in clean channel?

The built-in clean channel is designed with a classic vintage American character, providing sparkling cleans and a transparent base for pedals or modules.

How does the SYN-20IR compare to the Boss Katana Artist Gen 3?

The SYN-20IR is an all-tube modular head focusing on analogue preamp swapping, whereas the Katana is a digital modelling amp with fixed internal effects and higher wattage.

Is a preamp module included with the SYN-20IR?

Standard listings for the SYN-20IR Head typically do not include a module, though some retailers may offer bundles that include one module.

Gear article

Synergy SYN-20IR Head 20 Watts

The Synergy SYN-20IR is a 20-watt all-tube guitar amplifier head designed to host the Synergy modular preamp ecosystem. It features an EL84-driven power section, an onboard American-voiced clean channel, and integrated impulse-response (IR) technology for silent recording and cab-less performance.

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Overview

The Synergy SYN-20IR serves as a compact foundation for the Synergy modular preamp system. Unlike traditional amplifier heads with fixed circuits, the SYN-20IR features a dock designed to accept a dual-channel Synergy preamp module. By combining the internal clean channel with a chosen module, the unit functions as a versatile three-channel amplifier capable of covering diverse musical genres.

The unit is built around an all-tube architecture, utilizing EL84 power tubes to provide authentic valve saturation and dynamics. It is specifically designed to bridge the gap between traditional analogue tube performance and modern digital workflow through its integrated impulse-response (IR) technology.

Power Section and Feel

A defining feature of the SYN-20IR is its reactive power section, which incorporates design elements from Fryette. The amplifier includes a Sag response control and a Reactance control, allowing the user to fine-tune how the power amp responds to their playing style.

Additionally, selectable Structure modes allow the amplifier to mimic the feel of larger, high-wattage heads. These controls are intended to provide a dynamic and inspiring experience, ensuring the 20-watt head retains the 'bigness' and touch-sensitivity typically associated with higher-output valve amplifiers even at lower volumes.

Digital Features and Connectivity

To accommodate modern recording and live performance requirements, the SYN-20IR includes an onboard digital IR loader. This allows players to send a cab-simulated signal directly to a front-of-house mixer or an audio interface for silent recording, removing the necessity of a physical speaker cabinet. The system is designed for ultra-low latency to maintain the immediate feel of a tube amplifier. Connectivity options facilitate integration into complex rigs, including MIDI support for switching between the internal clean channel and the two channels provided by the inserted module.

Sound Character

Out of the box, the SYN-20IR provides a dedicated clean channel described as having a classic vintage American character, noted for its sparkling clarity and headroom. When a Synergy module is added, the sonic palette expands significantly. Depending on the chosen module, the amplifier can transition from these vintage cleans to aggressive modern high-gain tones. The EL84 power tubes contribute a rich, responsive valve tone that adds harmonic complexity as the volume increases.

Comparison to Alternatives

In the market of compact heads, the SYN-20IR occupies a unique niche compared to products like the Orange Micro Dark, which is a hybrid valve/solid-state head, or the Bugera 333XL Infinium, which offers higher wattage but a fixed circuit design. While the Boss Katana Artist Gen 3 provides digital versatility and higher power output, it lacks the modular all-tube signal path found in the Synergy. The SYN-20IR's primary advantage is its ability to physically swap the preamp circuitry via modules, a feature not found in standard heads like the G4M GA-20E.

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Frequently asked questions

What is the primary function of the Synergy SYN-20IR?: The SYN-20IR is a 20-watt all-tube head designed to host Synergy preamp modules, allowing players to swap different boutique amp circuits into a single power amp platform.
How many channels does the SYN-20IR have?: It functions as a three-channel amplifier. It has one built-in clean channel and two additional channels provided by the specific Synergy preamp module installed in the dock.
Does the SYN-20IR require a speaker cabinet to operate?: No, it features integrated impulse-response technology that allows for cab-less performance and silent recording by sending a simulated signal directly to a mixer or interface.
What type of power tubes are used in the SYN-20IR?: The power section utilizes EL84 vacuum tubes, which are known for their rich, responsive character and classic valve compression.
What is the purpose of the Sag response control?: Designed by Fryette, the Sag control simulates the compression and 'give' of a vintage tube rectifier, allowing the player to adjust how the amp reacts to heavy picking.
Can the SYN-20IR produce high-gain tones?: Yes, while the internal clean channel is vintage American-voiced, the amp can achieve modern high-gain aggression by installing a high-gain Synergy dual-channel preamp module.
What is the 'Structure' mode on this amplifier?: Structure modes are selectable settings that adjust the gain architecture and feel of the amp, helping it react like a much larger, higher-wattage valve amplifier.
What does the Reactance control do?: The Reactance control adjusts the interaction between the power amplifier and the speaker (or simulated load), affecting the low-end resonance and overall feel.
Is the IR technology high-latency?: No, Synergy has designed the integrated impulse-response system to operate with ultra-low latency, ensuring the player feels no delay between their touch and the sound.
What is the sonic character of the built-in clean channel?: The built-in clean channel is designed with a classic vintage American character, providing sparkling cleans and a transparent base for pedals or modules.
How does the SYN-20IR compare to the Boss Katana Artist Gen 3?: The SYN-20IR is an all-tube modular head focusing on analogue preamp swapping, whereas the Katana is a digital modelling amp with fixed internal effects and higher wattage.
Is a preamp module included with the SYN-20IR?: Standard listings for the SYN-20IR Head typically do not include a module, though some retailers may offer bundles that include one module.