MERITON DNM-20 Omni Directional Dynamic Microphone Box 1970S

( Brand: Meriton ), ( Manufacturer Part Number: DNM-20 ), ( Part Type: Microphone Box ), ( Polar Pattern: Omnidirectional ), ( Form Factor: Dynamic Microphone ), ( Connectivity: Wired )

Review MERITON Vintage Omni directional Dynamic Microphone In Box Japan 1970s

The **Meriton DNM-20 Omni-Directional Dynamic Microphone Box** from the 1970s is a rare and highly sought-after piece of analog recording history, embodying the bold, experimental spirit of the era s avant-garde audio engineering. Designed as a rugged, portable microphone preamplifier and signal conditioner, this unit stands as a testament to the ingenuity of early studio and live-sound technicians who sought to push the boundaries of sound capture with minimalist yet powerful hardware. Crafted in the distinctive mid-century industrial aesthetic, the DNM-20 features a sturdy metal enclosure, likely constructed from die-cast aluminum or steel, with a utilitarian, slightly weathered finish that reflects its intended use in demanding environments whether in the gritty confines of a rock club, a makeshift recording studio, or the backlines of touring bands. Its compact yet robust form factor, measuring roughly 12 inches in height and width, allows it to be easily mounted on a rack or carried in a case, making it as versatile as it is durable.

At the heart of the DNM-20 lies its **omni-directional dynamic microphone**, a design choice that prioritized capturing sound with unparalleled clarity and natural ambiance, free from the directional limitations of cardioid or figure-eight patterns. This microphone, likely a high-quality dynamic element like those used in vintage Shure or Electro-Voice models, is housed within the box s protective casing, its output fed through a sophisticated preamplifier circuit that enhances signal integrity while minimizing noise. The unit s internal circuitry, though not documented in great detail, is rumored to incorporate discrete transistors and perhaps even a few analog components like capacitors and resistors that contribute to its warm, slightly colored tone an unintentional but desirable characteristic that adds character to recordings. The DNM-20 s output is typically routed via a **balanced XLR connection**, ensuring clean transmission over long cable runs, a feature that was particularly valuable in live settings where signal degradation was a constant concern.

One of the most intriguing aspects of the DNM-20 is its **adjustable gain and EQ controls**, which were likely designed to accommodate a wide range of microphone sensitivities and acoustic environments. While specific knobs and switches may vary slightly depending on the model year, the unit often includes features such as a **gain potentiometer**, a **high-pass filter** to reduce rumble and low-end noise, and possibly a **presence or bass boost** to tailor the sound to the listener s preference. These controls, though rudimentary by modern standards, allowed engineers to fine-tune the microphone s output on the fly, making the DNM-20 a flexible tool for both studio and live applications. The unit s front panel may also feature a **meter bridge** or **LED indicator** to monitor signal levels, a practical addition for ensuring optimal recording or amplification without the need for external monitoring equipment.

The DNM-20 s design reflects the **pragmatic yet artistic ethos of 1970s audio technology**, a time when gear was built to last and often repurposed for creative ends. Its omni-directional microphone was particularly well-suited for capturing the raw, immersive soundscapes of the era whether it was the chaotic energy of a punk gig, the lush harmonies of a progressive rock ensemble, or the experimental sound collages of avant-garde artists. Unlike the polished, precision-engineered microphones of later decades, the DNM-20 carries a certain **character and imperfection**, its analog warmth and slight distortion adding a layer of authenticity to recordings. This unit is not merely a tool but a piece of audio history, embodying the spirit of an age when technology was still evolving, and every piece of gear had a story to tell.

For collectors, audio enthusiasts, and vintage gear aficionados, the Meriton DNM-20 is a prized artifact of a bygone era one that bridges the gap between the analog warmth of the 1960s and the digital precision of the 1980s. Its presence in a collection or studio adds a touch of nostalgia, a reminder of the hands-on, experimental approach to sound that defined a generation of musicians and engineers. Whether used for restoring vintage recordings, enhancing live performances, or simply admired for its historical significance, the DNM-20 remains a fascinating relic of an era when audio technology was as much about craftsmanship as it was about innovation.

The **Meriton DNM-20 Omni-Directional Dynamic Microphone Box** from the 1970s is a rare and highly sought-after piece of vintage recording equipment, particularly among audiophiles, vintage gear enthusiasts, and studio historians. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Meriton DNM-20**

1. **Exceptional Sound Quality for Its Era**

The DNM-20 is renowned for its warm, natural, and detailed sound signature, often praised for its ability to capture subtle nuances in vocals and instruments. Its omni-directional design (though not true omnidirectional in practice due to the box s construction) provides a unique spatial quality that some producers and engineers find desirable for certain applications, such as ambient recordings or vintage-style production.

2. **Vintage Character and Warmth**

Like many 1970s microphones, the DNM-20 exhibits a characteristic "vintage warmth" due to its dynamic element and the materials used in its construction. This can add a pleasing analog coloration to recordings, particularly in genres like jazz, rock, or film scoring where a slightly "loose" or "organic" sound is sought after.

3. **Durability and Build Quality**

Meriton was known for robust construction, and the DNM-20 reflects this with a sturdy metal housing and a reliable dynamic element. Many units from this era have survived decades of use with minimal wear, making it a practical choice for those who prioritize longevity.

4. **Versatility in Recording Applications**

While primarily marketed as a vocal microphone, the DNM-20 s dynamic element and omni-like pickup pattern (due to the box s design) make it adaptable for instruments like acoustic guitars, pianos, or even room mics for ambient recordings. Its lack of a transformer or preamp also means it can handle high SPL levels without distortion, though it requires a strong preamp to drive.

5. **Aesthetic and Historical Value**

The DNM-20 is a piece of recording history, with a distinctive retro design that appeals to collectors. Owning one can be a point of pride for enthusiasts, and its rarity (fewer than 1,000 were likely produced) can increase its value over time, especially if it s in pristine condition.

6. **No Power Requirements**

As a dynamic microphone, it doesn t require phantom power or batteries, making it simple to use in any setup where a preamp is available.

7. **Minimal Phase Cancellation**

Unlike some ribbon or condenser mics, the DNM-20 s dynamic element avoids phase issues when used as a single mic, which can be advantageous for certain recording scenarios.

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### **Cons of the Meriton DNM-20**

1. **High Cost and Rarity**

The DNM-20 is extremely rare and often commands prices in the range of **$1,500 to $5,000 ** depending on condition, age, and provenance. This makes it a significant investment, especially for hobbyists or small studios.

2. **Limited Availability of Parts and Repairs**

Finding replacement parts for a 1970s Meriton microphone can be difficult. While the dynamic element itself is relatively robust, issues with the housing, wiring, or internal connections may require specialized knowledge or sourcing vintage components.

3. **Requires a Strong Preamp**

The DNM-20 s output is weak, so it needs a high-quality preamp to achieve usable levels. This adds to the cost of the setup and may require additional investment in vintage or modern preamps that can handle its signal without introducing noise or distortion.

4. **Not True Omnidirectional**

While marketed as omni-directional, the DNM-20 s pickup pattern is influenced by the metal box, which can create slight directional characteristics. This may not be ideal for applications where true omnidirectionality is critical (e.g., stereo recording techniques like the NOS or Decca Tree).

5. **Limited Modern Compatibility**

The DNM-20 lacks a standard XLR output, and some units may require custom wiring or adapters to connect to modern interfaces. This can be a hassle for users who prefer plug-and-play setups.

6. **Subjective Sound Preferences**

The microphone s sound is polarizing. While some engineers love its warmth and character, others may find it too "loose" or lacking in clarity compared to modern dynamic mics like the Shure SM7B or Neumann U87. This makes it less versatile for contemporary recording standards.

7. **No Built-in Pop Filter or Windshield**

The DNM-20 lacks protective features like a pop filter or windshield, which means users must provide their own, adding to the setup complexity.

8. **Potential for Wear and Tear**

Like all vintage gear, the DNM-20 may show signs of aging, such as discoloration, minor rust, or worn-out cables. While this doesn t necessarily affect performance, it can be a concern for those prioritizing pristine condition.

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### **Conclusion**

The Meriton DNM-20 is a fascinating and high-quality microphone for those who appreciate vintage gear, seek a unique sound, and are willing to invest in a rare piece of recording history. Its pros warmth, durability, and character make it a compelling choice for audiophiles, collectors, and producers working in genres where a retro or organic sound is desirable. However, its cons high cost, rarity, compatibility issues, and subjective sound mean it may not be practical for everyone.

If you re recording in a modern studio with high standards for clarity and consistency, the DNM-20 might feel outdated or impractical. But for enthusiasts, collectors, or those working on projects where vintage character is essential (e.g., film scoring, jazz, or analog revival projects), it remains a prized tool.

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### **Recommendation**

- You are a collector or enthusiast who values vintage gear and its historical significance.

- You re working on a project where its warm, organic sound is a creative asset (e.g., scoring for a period film, analog revival recordings, or jazz/vocal work).

- You have a strong preamp and are willing to invest in additional accessories (pop filter, cables, etc.).

- You re comfortable with the rarity and potential repair challenges that come with owning a 50-year-old microphone.

- You need a versatile, modern microphone for professional recording.

- You re on a tight budget or prioritize cost-effective solutions.

- You require true omnidirectional pickup for specific recording techniques.

- You lack access to a high-quality preamp or vintage gear expertise.

- If you like the sound but want something more accessible, explore other vintage dynamics like the **Shure SM57** (cheaper, more common) or **Royce M-101** (similar era, slightly more affordable).

- For a modern dynamic with a similar character, the **Electro-Voice RE20** or **Sennheiser MD 421** offer warmth and durability at a fraction of the cost.

- If you re interested in the "box mic" concept but want something more practical, consider a **Schertzinger SM5** or **Coles 4038**, which are easier to find and repair.

Ultimately, the DNM-20 is a microphone for the passionate, not the practical. If you can justify the cost and find a unit in good condition, it can be an incredible addition to a collection or a unique tool for specific recording needs. Otherwise, modern alternatives may serve your purposes better.

Details:

With its compact size and omnidirectional polar pattern, it captures sound from all directions, making ideal for recording music, speeches, or any audio. Made in Japan, this microphone comes its original box, adding to collectible appeal for vintage audio enthusiasts. The wired connectivity ensures stable and reliable transmission of audio signal, while the Meriton brand name guarantees durability performance.

part #: dnm20 price

• $99.99

specifications micwisys:

• brand: Meriton
• mpn: Dnm-20
• part type: Microphone Box
• polar pattern: Omnidirectional
• form factor: Dynamic Microphone
• connectivity: Wired

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• Musical Instruments Gear > Pro Audio Equipment > Microphones Wireless Systems

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