The S-Type 500 adds a distinct British-style compression, ideal for vocals and instruments in studio setups. Its design was inspired by the iconic SSL bus compressor, celebrated for its historic role in unifying and shaping world-class records—making it a popular choice among “best 500 modules” for dynamic processing

Synergistic Research is a pioneering company founded by Ted Denney in 1998, specializing in high-end audio optimization technologies such as UEF (Uniform Energy Field) and EM Cell. They offer premium cables, fuses, power management, and streaming servers for audiophiles.

The Lehmannaudio Decade Jubilee supports both MM (Moving Magnet) and MC (Moving Coil) cartridges. It offers extensive adjustability for gain, input impedance and capacitance to tailor the best match for your vinyl setup.

Power conditioning refers to filtering and stabilizing the electrical supply to remove noise, voltage fluctuations, and DC offset. This ensures consistently clean power for Hi‑Fi and studio setups.

High-quality speaker cables improve signal transmission from amplifier to speakers by minimizing resistance, capacitance, and interference, leading to clearer sound, better detail resolution, and enhanced dynamics.​ Key Benefits

• Reduced signal loss: Thicker, purer conductors (e.g., oxygen-free copper) maintain audio fidelity over longer runs, preserving bass control and high-frequency sparkle.​

• Lower noise floor: Superior shielding and insulation block EMI/RFI, resulting in blacker backgrounds and more transparent mids.​

• Better impedance matching: Optimized cable design ensures stable performance with demanding speakers, improving timing, imaging, and overall musicality.​

These advantages shine most in high-end HiFi setups with revealing components, where subtle differences become audible—though basic 12-14 AWG wire suffices for budget systems.

IGS Audio is known for hand-built, fully analog studio equipment that delivers a warm and musical sound. Each unit is manufactured in Europe using premium components and classic circuit designs for mastering-grade performance.

For high-quality HiFi and high-end systems, dedicated audio or tuning fuses are ideal, as they are optimized for low contact resistance and stable electrical connections. These fuses are not just protection devices; they sit at a crucial bottleneck in the flow of electrical potential and can influence microdetails, spatial imaging, soundstage width and depth, as well as the three-dimensional detachment of the sound from the loudspeakers.

Knifflige Frage!

The Grimm Audio MU2 is a pinnacle High-End Hi-Fi Streamer with DAC (Digital-to-Analog Converter). It seamlessly integrates a powerful music streamer, a revolutionary, Grimm-designed DAC, a precision Preamplifier, and a state-of-the-art Master Clock into one elegant chassis. It is engineered to reproduce digital audio with the utmost precision and musical integrity, making it a true reference-grade component.

Electrical interference can degrade dynamics, imaging, and tonal accuracy. Clean power provides a quieter background, better spatial precision, and a more natural sound – for both high‑end Hi‑Fi and professional mixing and mastering.

The MU2 is regarded as one of the Best Hi-Fi Music Streamers due to Grimm's uncompromising application of professional audio technology to the high-end home environment. A core reason is the integration of Grimm's renowned Clocking Technology (such as the Pure Nyquist Clock). This extremely accurate timing system minimizes jitter (timing errors) to an absolute minimum, ensuring that the digital data is delivered to the DAC perfectly timed. This results in unparalleled clarity, soundstage precision, and naturalness of musical reproduction. Additionally, the unique FPGA-based DAC and innovative analog preamplifier contribute to its outstanding sonic performance.

Choose speaker cables based on your system's power, run length, and budget—aim for 12-14 AWG pure copper (OFC preferred) with good shielding for most HiFi setups.​ Key Selection Criteria

• Gauge (AWG): 14 AWG for short runs (<10m, low power); 12 AWG or thicker for longer distances or high-power amps to minimize resistance and power loss.​

• Material: Oxygen-free copper (OFC) for low signal loss; silver-plated for enhanced highs in high-end systems.​

• Construction: Twisted or braided pairs reduce interference; low capacitance for better highs and dynamics.​​

Match cable to your speakers' impedance and amp output—test in your system for best results, as subjective differences vary.

This phono stage offers four practical gain levels (36 dB, 46 dB, 56 dB, 66 dB) and selectable input impedances (e.g., 47 kΩ, 1 kΩ, 100 Ω) plus a wide-range input capacitance to achieve optimal tuning for a variety of cartridges.

Ted Denney is an audio engineer and physicist, founder of Synergistic Research. He developed innovative noise reduction and resonance technologies that have set new standards in high-end audio.

The ONE LA 500 is a tube-driven optical compressor, designed to recreate the unique warmth and musicality of vintage opto compressors. Its concept pays tribute to the legendary Teletronix LA-2A, regarded as one of the most musical compressors for vocals and bass, now available in the compact 500-Series format.

Audiophile fuses can make an audible difference depending on the system, mains quality and overall setup, especially in terms of fine detail, transients, spatial imaging and tonal colour. Because the fuse is a potential bottleneck in the power path, an optimized design with better materials and contacts can improve the transmission of delicate musical information, enhancing microdetail, stage size, localisation precision and a more holographic, three-dimensional presentation.

Das hängt ganz stark davon ab was du vor hast und in welchem Genre du dich bewegst oder auch was du generell aufnehmen möchtest. Ein Tube Mic Preamp kann dir viel Charakter in deine Aufnahmen bringen mit seinem warmen Vintage-Sound.

Röhren haben den Vorteil einer angenehmen Färbung und addieren, bzw. reichern den Sound mit Obertönen an, der als smooth und voll wahrgenommen wird. Bevor du deine Musik oder deinen Podcast im Computer digitalisierst, macht es durchaus Sinn etwas Klangfarbe ins Spiel zu bringen und einen leistungsstarken Röhren Mikrofonvorverstärker zu kaufen. In der Nachbearbeitung ist natürlich vieles möglich, aber alles was du schon vor deiner DAW an Sound mit aufnimmst und einstellst, kommt ein bisschen "fertiger" in deine DAW und ermöglicht dir einen besseren Worklflow und kann auch deine Arbeit erleichtern. Ob flüsterleise Vocalaufnahmen, über eichtl angezerrte Signale, bis hin zu heavy-distorted Instrumenten - aus einem Röhren Mikrofonvorverstärker bekommst du allerlei verschiedene Sounds, die du auch schon von vielen anderen hochwertigen Musikproduktionen kennst. Probiere es einfach aus und lass dich vom Röhrenklang fesseln!

Top-selling models include the IGS Tubecore 3U mastering compressor, the Rubber Bands EQ passive equalizer inspired by the classic Pultec design, and the One LA 500 opto compressor module. These units are staples in professional mixing and mastering studios worldwide. Also the newly launched IGS 825 Equalizer, as well as the IGS Volf 1176-Style studiocompressor are relatively new, but about to become the best and most-wanted IGS Audio products.

Depending on the application, line filters, voltage regulators, or power conditioners can be used. Hi‑Fi setups benefit from quality power strips, while studios prefer linear or regenerative systems.

IGS Audio is designed for professional audio engineers, producers, and musicians who value the sound and feel of true analog hardware. The units integrate seamlessly into hybrid studio setups for analog tone and digital precision.

UEF (Uniform Energy Field) is a patented technology by Synergistic Research designed to reduce electromagnetic interference and improve signal purity for clearer, more natural sound reproduction.

The RB 500 ME functions as a high-precision equalizer specifically tailored to mastering needs. It allows for subtle and detailed tonal adjustments, making it highly recommended by mastering professionals seeking top 500 Series performance.​​

Ein Mikrofonvorverstärker mit Phantomspeisung ist nahezu unerlässlich, wenn du mit Klein- oder Großmembranmikrofonen aufnehmen möchtest, die diese benötigen. Ganz egal ob Vocals,Gitarre,Bass, Drums, Streicher oder auch für deinen eigenen Podcast - Mikrofone mit Phantomspeisung liefern dir ein breiteres Klangspektrum und mehr Dynamik.

The “T” marking stands for “time lag” or “slow-blow” and refers to fuses that can tolerate short inrush current peaks before they blow. This slow characteristic is very useful in many amplifiers and powerful components because it protects against real fault currents without tripping at every switch-on surge, while still defining a stable, predictable bottleneck in the power path.

Influence on Sound Quality Speaker cables primarily affect audio by influencing resistance, capacitance, and inductance, which can alter dynamics, frequency response, and clarity—especially noticeable in high-end systems over longer runs.

• Resistance: Thinner cables increase damping factor loss, softening bass control and transient speed.​

• Capacitance/Inductance: Poor construction smears highs, reduces imaging, or adds haze; well-designed cables preserve detail and soundstage.​

• Shielding/Noise: Unshielded cables pick up EMI/RFI, raising the noise floor and veiling mids.​

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In revealing HiFi setups, quality cables unlock potential by minimizing losses, though differences are subtle below ~€10/m in average systems.

Grimm Audio utilizes an FPGA (Field-Programmable Gate Array) at the heart of the DAC. Instead of relying on off-the-shelf DAC chips, Grimm's engineers developed and programmed their own proprietary DAC algorithm directly onto the FPGA. This allows for highly customized and extremely precise digital signal processing, especially for upsampling and the Master Clock control. The patented FPGA DAC within the MU2 performs the Digital-to-Analog conversion with unmatched control and accuracy, setting new benchmarks for low noise and distortion.

Thanks to its passive RIAA network derived from its flagship model and a discrete output stage, the Decade Jubilee offers ultra-transparent, highly detailed vinyl playback with minimal coloration — a dream for audiophiles and high-end vinyl enthusiasts.

For high-end speakers, experts recommend a cross-section of at least 2.5 mm² to 4 mm² (equivalent to 12–14 AWG), depending on cable length, power, and impedance.​

Recommended Cross Sections

• Up to 5 m: 1.5–2.5 mm² – sufficient for most high-end setups with good bass control and minimal resistance.​

• 5–10 m: 2.5–4 mm² – ideal for longer runs to keep damping and power loss under 1%.​

• Over 10 m: 4–6 mm² or more – essential for powerful amps (>100 W) or low impedance (4 Ohm).​

Why This Matters for High-End

A sufficient cross-section minimizes resistance, preserves transients, and ensures tight bass and precise highs – thin cables (under 1.5 mm²) cause "slack" sound, overly thick ones increase capacitance unnecessarily. Opt for OFC copper or silver-plated for best results in demanding systems.

The “F” marking stands for “fast” and designates fuses that blow very quickly once the rated current is exceeded. These fast-acting types are mainly used in sensitive or lower-power circuits where components must be protected against even short overcurrent peaks, and they also form a critical point in the power path where the quality of electrical conduction can affect the final sonic result.

Yes – especially in high‑resolution systems and acoustically treated rooms. The sound becomes calmer, the imaging more stable, and the bass tighter and more controlled.Not only can you hear the changes in a quality audiosystem, you also hear it when working with analog gear in the recording studio when mixing and mastering - the quality of the analog prints increases significantly for the better!

Mikrofonvorverstärker lassen sich viele mit unerschiedlichsten Klangfarben und Konzepten kaufen. Worauf du achten solltest?

Yes, Synergistic Research products are available through authorized dealers in Germany. Customers can access the full product range including cables, fuses, and performance enhancers.

Yes, all IGS Audio modules—including the S-Type 500, RB 500 ME, VCA 500, and ONE LA 500—are designed for compatibility with standard API 500 Series racks, such as the IGS Panzer 500 and API Lunchbox models.

High-quality copper and silver minimize resistance, ensuring lossless signal transmission from amplifier to speakers.​

• Reduced signal loss: Thicker, purer conductors like oxygen-free copper (OFC) or silver-plated copper maintain audio fidelity over longer runs, preserving bass control and high-frequency sparkle.​

• Lower noise floor: Superior shielding and insulation block EMI/RFI, resulting in blacker backgrounds and more transparent mids.​

• Better impedance matching: High-quality copper and silver minimize resistance and therefore assure a lossless signal transmission, improving timing, imaging, and overall musicality.​

These advantages are most noticeable in high-end HiFi systems with revealing components.

Purchasing through Falkenstein Pro Audio in Germany gives you access to expert advice on the Lehmannaudio Decade Jubilee, German-language support, reliable EU shipping and access to an authorized service partner

As an authorized IGS Audio dealer, Falkenstein Pro Audio provides expert consultation, fast shipping within the EU, and reliable customer support. You’ll find current models in stock and competitive pricing for all IGS Audio products.

Yes, the MU2 features a high-performance analog preamplifier with a unique volume control mechanism. The volume is regulated by a purely analog network of relay-controlled, high-precision resistors. This method is transparent, free from digital attenuation, and guarantees maximum sonic quality across the entire volume range without compromising resolution—an essential feature for a true High-End Hi-Fi Music Streamer.

The MU2 is primarily a Roon Ready device. Using Roon (a separately available music management system), you gain access to major streaming services like TIDAL and Qobuz in the highest possible quality. Roon also serves as the intuitive and feature-rich interface for controlling and managing your entire music library. Additionally, the MU2 can be controlled via the dedicated Grimm Audio App.

From a tuning expert perspective, the Synergistic Research Master Fuse ranks among the very best choices, as it clearly outperforms many conventional and audiophile fuses in terms of resolution, spatial imaging and musicality. Its developer, Ted Denney, has invested extensive effort and know-how into materials, construction and treatment, with the goal of minimizing the bottleneck effect in the power path and unlocking more microdetail, depth and three-dimensional soundstaging from high-end systems.

Yes — the Decade Jubilee consists of a two-chassis design (audio module + PWX II LC power supply). Both units utilise an aluminium housing with specialized anti-vibration feet (“3S-Feet”), and the power supply upgrade ensures exceptional transient response and minimal interference.

Recent products include the Voodoo Music Streaming Server with integrated Roon core, Ethernet Switch UEF MKII, and Master Fuse series, all designed to elevate HiFi system performance.

The VCA 500 excels at bus compression for drums and groups, offering speedy, clean response. It often features in lists of “best 500 modules for drums” due to its effectiveness and transparent sound quality

• The MU2 provides a comprehensive range of digital and analog connections, ensuring flexibility in any high-end system:
  

• Analog Outputs: 1 pair of XLR outputs (balanced) and 1 pair of RCA outputs (unbalanced).

• Analog Inputs: 1 pair of RCA inputs (unbalanced) and 1 pair of XLR inputs (balanced).

• Digital Inputs: 1 x AES/EBU (XLR), 2 x S/PDIF (RCA), 2 x Optical (Toslink).

• Network: 1 x Ethernet (RJ45) for streaming and control.

• Storage: Internal SSD slot for local music file storage.

• Sync: BNC connector for external clock synchronization (optional).

IGS Audio provides user manuals and support for models like the S-Type 500, ONE LA 500, RB 500 ME, and related products on their official website and via authorized dealers like Falkenstein ProAudio.

Fine fuses can be differentiated by size (for example 5×20 mm or 6.3×32 mm), by their time-current characteristic (slow-blow “T” or fast “F”), and by materials and construction. In the audiophile sector, you will find versions with special alloys (such as silver/gold), ceramic instead of glass bodies, and additional treatments like cryogenic or “quantum” processing, all intended to further reduce contact resistance and negative effects on current flow.

You can buy all IGS Audio products directly from Falkenstein Pro Audio – your professional pro audio retailer based in Germany. We offer worldwide shipping and expert advice on all IGS studio gear, including compressors, EQs, and preamps.

Yes, Synergistic Research fuses have a direction (polarity) that is important for achieving optimal sound quality. The direction is often indicated by the writing on the fuse (for example, from the S in “Synergistic” to the H in “Research”), meaning the current should flow from left to right. In addition, the fuse requires a burn‑in period of about 200–300 hours to reach its full sonic potential.

How to identify the correct direction:

• Writing direction: The labeling (e.g., "Synergistic Research") indicates the flow direction — current should go from left to right, from the “S” to the “H.”

• Listening test: If you’re unsure, insert the fuse in both directions and listen. The correct direction will sound more detailed, open, and natural.

• Polarity tester: Use a phase tester to check the correct orientation of your connected devices — this also applies to the fuse.

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Important notes:

• Burn‑in time: The first 200–300 hours are crucial for the fuse’s sound development.

• Sound differences: When oriented correctly, the sound becomes more detailed, clear, and spatial.

• Function: In case of a short circuit, the fuse will still blow even if installed in the wrong direction — but you’ll lose the sonic advantage.