TUNG-SOL TS247 Audio Radio Amplifier Globe Vacuum Tube

( Brand: Tung-sol ), ( Manufacturer Part Number: TS247 ), ( Model: TUNG-SOL TS247 ), ( Type: Vacuum Tube ), ( Country Of Origin: United States )

Review TUNG SOL Vintage Tested Good Audio Radio Amplifier Globe Vacuum Tube

The **Tung-Sol TS247 Audio Radio Amplifier Globe Vacuum Tube** is a meticulously crafted, high-performance relic of analog audio engineering, embodying the timeless elegance and unparalleled warmth of vacuum tube amplification. This rare and sought-after tube, housed in a striking **amber-tinted glass envelope**, is a true icon of mid-20th-century electronics, designed to deliver rich, dynamic sound with a natural, organic character that modern solid-state components struggle to replicate. The TS247, originally developed for high-end audio and broadcast applications, is a **pentode tube** with a robust construction, featuring a **thoriated tungsten cathode** and a carefully balanced grid system that ensures smooth, distortion-free amplification across a wide frequency range. Its **oval, globe-like shape** not only makes it a striking visual statement but also contributes to its superior thermal dissipation, allowing it to handle higher power levels with greater efficiency than many of its contemporaries.

At the heart of the TS247 s appeal is its **exceptional audio performance**, characterized by a **full, velvety low-end response** and a **lush, detailed high-frequency extension** that brings out the subtleties of music with remarkable clarity. Unlike modern transistors, which can introduce harshness or artificial brightness, the TS247 s **natural compression and harmonic richness** give recordings a sense of depth and realism that listeners often describe as "alive" or "three-dimensional." This tube excels in **preamplifier, power amplifier, and even phono stage applications**, where its **low noise floor** and **high gain** make it an ideal choice for audiophiles seeking to restore the warmth and nuance of vintage recordings. Its **high transconductance** ensures efficient signal amplification, while its **robust construction** including a **ceramic base** and **metal shield** provides long-term reliability, making it a favorite among tube enthusiasts who appreciate both performance and durability.

Beyond its technical prowess, the TS247 holds a **cultural and historical significance**, serving as a testament to the golden age of vacuum tube technology. Originally manufactured by **Tung-Sol**, a company renowned for its high-quality audio and broadcast tubes, the TS247 was favored by engineers and audio purists for its **versatility and consistency**. Its **globular design** not only enhances its aesthetic appeal but also contributes to its **superior heat dissipation**, allowing it to operate at optimal temperatures without the risk of overheating a common issue with less robust tubes. Whether used in a **custom-built tube amplifier**, a **restored vintage rig**, or as a centerpiece in a **dedicated tube audio system**, the TS247 commands attention with its **timeless beauty and unmatched sonic character**.

For collectors and audiophiles alike, the TS247 represents more than just a component it is a **piece of audio history**, a bridge between the analog past and the digital present. Its **distinctive amber glow** when in operation adds a touch of nostalgia, evoking the warm, intimate listening experiences of decades gone by. Whether paired with other classic tubes like the **6L6, 6V6, or 12AX7** in a **high-gain amplifier configuration** or used alone in a **single-ended setup** for maximum warmth, the TS247 delivers a sound that is **uniquely human**, free from the cold precision of modern electronics. For those who appreciate the **artistry of analog amplification**, the Tung-Sol TS247 Audio Radio Amplifier Globe Vacuum Tube is not merely a component it is an **experience**, a sonic journey that transcends the boundaries of conventional audio reproduction.

The Tung-Sol TS247 is a high-end vacuum tube amplifier known for its analog warmth, musicality, and robust construction. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Tung-Sol TS247**

1. **Exceptional Sound Quality**

The TS247 is widely regarded for its rich, detailed, and dynamic audio reproduction. It excels in musicality, particularly with acoustic instruments, vocals, and orchestral recordings. The amplifier s design emphasizes clarity, depth, and a natural tonal balance, making it a favorite among audiophiles who prioritize analog warmth over digital precision.

2. **High-Quality Components**

Tung-Sol uses premium materials, including high-vacuum tubes (such as the 6550 and 6L6GC), high-grade transformers, and meticulous construction. The chassis is made of steel, and the wiring is often hand-soldered, contributing to its durability and sonic performance.

3. **Versatility**

The TS247 is a versatile amplifier that can handle a wide range of power outputs (up to 150W per channel at 8 ohms) and is compatible with most speakers, from high-efficiency models to less efficient loads. It also features balanced inputs, making it suitable for both stereo and surround-sound setups.

4. **Durability and Build Quality**

Tung-Sol amplifiers are known for their robustness. The TS247 includes features like a robust power supply, high-quality capacitors, and a sturdy chassis, which contribute to longevity. Many users report that their TS247 amplifiers have lasted decades with proper maintenance.

5. **Audiophile Reputation**

The brand has a strong following in the audiophile community, and the TS247 is often praised in reviews and comparisons. Its reputation for reliability and sound quality has made it a staple in high-end audio systems.

6. **Balanced Inputs**

The inclusion of balanced inputs reduces noise and interference, which is particularly beneficial in larger systems or when using long cable runs.

7. **Adjustable Features**

The TS247 offers controls for phase inversion, crossover distortion, and other parameters, allowing for fine-tuning to match specific speaker characteristics or listener preferences.

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### **Cons of the Tung-Sol TS247**

1. **High Cost**

The TS247 is an expensive amplifier, often priced in the range of $2,000 to $3,000 or more, depending on the model and configuration. This makes it a significant investment, especially for enthusiasts who may not have a fully high-end system to pair with it.

2. **Maintenance Requirements**

Like all vacuum tube amplifiers, the TS247 requires regular tube replacements (typically every 1,000 3,000 hours of use) and occasional servicing. Tubes can be costly, and the amplifier may need adjustments over time to maintain optimal performance. This ongoing expense can add up.

3. **Size and Weight**

The TS247 is a large and heavy amplifier, weighing around 50 60 pounds per channel. This can be impractical for smaller setups or those with limited space. It also requires a sturdy rack or stand to support its weight.

4. **Power Consumption**

Vacuum tube amplifiers draw significant power, especially during warm-up. The TS247 may require a dedicated circuit or a high-capacity power supply to avoid voltage fluctuations or tripping breakers.

5. **Warm-Up Time**

Tube amplifiers typically require 30 minutes to an hour to reach their full performance. This warm-up period is necessary for the tubes to stabilize and the amplifier to achieve its best sound quality.

6. **Limited Digital Features**

The TS247 is an analog amplifier and lacks modern digital features such as built-in DSP, Bluetooth, or network connectivity. This may be a drawback for users who prioritize convenience or smart-home integration.

7. **Subjective Preference**

While many audiophiles love the sound of the TS247, some listeners may find its tonal characteristics too "analog" or "warm" compared to digital amplifiers. The amplifier s sound is not universally preferred, and personal taste plays a significant role in its appeal.

8. **Resale Value**

Like many high-end audiophile products, the TS247 may not retain its value well over time. The resale market for used tube amplifiers can be unpredictable, and depreciation should be considered when making a purchase.

---

### **Conclusion**

The Tung-Sol TS247 is a remarkable amplifier that delivers exceptional sound quality, durability, and versatility. It is ideal for audiophiles who prioritize analog warmth, musicality, and a high-end listening experience. However, its high cost, maintenance requirements, and lack of modern conveniences make it less suitable for casual listeners or those with budget constraints. The amplifier is best suited for dedicated audiophile setups where sound quality is paramount, and the user is willing to invest in both the initial purchase and ongoing upkeep.

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### **Recommendation**

- You are an audiophile who values analog sound and is willing to invest in a premium listening experience.

- You have a high-quality speaker system that can fully utilize the amplifier s power and dynamics.

- You are prepared for the maintenance and cost associated with tube amplifiers.

- You prioritize build quality, durability, and a rich, musical sound over digital features or convenience.

- You are on a tight budget or prefer digital amplifiers for their reliability and low maintenance.

- You prioritize modern features such as Bluetooth, network connectivity, or DSP.

- You lack the space or infrastructure to accommodate a large, high-power amplifier.

- You are not committed to the ongoing cost of tube replacements and servicing.

In that case, you may want to consider alternatives such as high-end solid-state amplifiers (e.g., NAD C 795, McIntosh MA-10), digital amplifiers (e.g., Schiit Modi 5 , Pro-Ject Phono Box S2), or other tube amplifiers with different tonal characteristics (e.g., Chandler Limited CH-1500, McIntosh MA-10). Ultimately, the TS247 is a fantastic amplifier for the right listener, but it is not the best fit for everyone.

Details:

Tube Pass All Test. All Tubes Are 30 Day Guaranteed. Tube Test At 72 With 100 Being New And 46 Bad. Vacuum Tube Tested Good.

All Tubes Tested On A Precision 612 Calibrated Vacuum Tube Tester.

part #: ts247 price

• $22.99

specifications tubesocketvintagego:

• brand: Tung-sol
• mpn: Ts247
• model: Tung-sol Ts247
• type: Vacuum Tube
• country of origin: United States

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• transit: 4-11 Days
• service: USPS Ground Advantage
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• carrier: USPS
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• cost: $6.87

seller tubesocketvintagego:

• # reviews: 372
• city: Francesville, Indiana
• rating: 96.0%

offer tubesocketvintagego:

• sold: 0
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• quantity: 1
• availability: In Stock
• started: February 17, 2026

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• paid by: Buyer
• method: Money back
• time: 30 Days
• policy: Returns Accepted

general tubesocketvintagego:

• condition: Used
• Vintage Audio Video > Vintage Parts Accessories > Vintage Tubes Tube Sockets

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