AMPEREX HF130 Hf Power Triode Vacuum Tube Tube.

( Brand: Amperex ), ( Manufacturer Part Number: HF130 ), ( Part Type: Vacuum Tube ), ( Country Of Origin: United States )

Review AMPEREX Hf 130 Power Triode Vacuum Tube. Item Is Used And Untested

The **Amperex HF130/HF-130 Power Triode Vacuide Tube** is a high-performance, high-power triode designed for demanding applications in radio frequency (RF) amplification, broadcasting, and professional audio systems. Part of Amperex s renowned line of vacuum tubes, the HF130 is a robust and reliable component engineered for long-term durability and exceptional signal integrity. This tube operates in the **UHF (Ultra High Frequency) range**, making it ideal for use in transmitters, RF amplifiers, and high-fidelity audio equipment where precision and power handling are critical. With a **maximum anode dissipation of 150 watts** and a **peak power output of up to 1,000 watts** (depending on circuit configuration), the HF130 excels in applications requiring substantial RF drive and efficient energy conversion.

Constructed with a **ceramic-metal envelope**, the HF130 features a **beam-power triode design**, which enhances efficiency and reduces interelectrode capacitance compared to conventional triodes. This construction allows for cleaner signal amplification with reduced distortion, making it particularly suited for broadcasting studios, amateur radio transmitters, and high-end audio amplifiers where clarity and fidelity are paramount. The tube s **indirectly heated cathode** ensures stable operation over extended periods, minimizing the risk of premature failure due to thermal fluctuations. Additionally, the HF130 s **high transconductance and low noise figure** contribute to its versatility, allowing it to perform effectively in both linear and class-AB amplification circuits.

For enthusiasts and professionals alike, the HF130 represents a blend of **modern engineering and vintage reliability**, offering a balance between performance and longevity. Its robust construction and proven track record in demanding environments make it a favored choice for those seeking a dependable high-power triode for RF amplification. Whether integrated into a custom-built transmitter, a vintage-style audio amplifier, or a modern broadcasting system, the Amperex HF130 delivers consistent, high-quality performance with minimal maintenance requirements. Its compatibility with a wide range of circuit designs further solidifies its reputation as a versatile and indispensable component in the world of vacuum tube technology.

**Pros and Cons of buying a Amperex HF130 (HF130) Power Triode Vacuum Tube**

The Amperex HF130 is a high-power triode tube commonly used in audio amplifiers, especially in high-end and vintage-style designs. Below is a detailed breakdown of its advantages and disadvantages.

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### **Pros**

1. **High Power Handling**

The HF130 is capable of delivering significant power output, making it suitable for driving large speakers or high-efficiency loads. It can handle up to **150 200 watts per channel** in push-pull configurations, depending on the circuit design.

2. **Wide Frequency Response**

It exhibits a broad frequency range, typically from **20 Hz to 20 kHz**, with minimal distortion across the midrange. This makes it well-suited for high-fidelity audio applications.

3. **Durability and Reliability**

Amperex tubes are known for their robust construction, often featuring **ceramic or metal envelopes** that resist damage from mishandling or thermal stress. The HF130 is no exception, with a reputation for longevity when properly cared for.

4. **Low Distortion Characteristics**

When driven within its optimal range, the HF130 produces **low harmonic distortion**, particularly in linear amplification stages. This contributes to a clean, transparent sound signature, though some users report a slight "warmth" or "softness" compared to modern solid-state components.

5. **Compatibility with Vintage and Modern Amplifiers**

The HF130 is a direct replacement for older tubes like the **6550** (a popular power triode in vintage amplifiers) and is widely used in modern designs that emulate classic tube sound. It fits into many **EL34-based** and **6L6-based** amplifier schematics.

6. **Availability and Cost**

While not as cheap as some modern tubes, the HF130 remains **relatively affordable** compared to high-end tubes like the **EL34 or 6550**. It is widely stocked by tube distributors, ensuring ease of replacement.

7. **Thermal Stability**

The tube s construction allows for **gradual warm-up**, reducing the risk of microphonic noise or instability during operation. This makes it suitable for live performance and studio use.

8. **Aesthetic and Nostalgia Factor**

For audiophiles and enthusiasts, the HF130 carries a **vintage appeal**, often preferred in amplifiers designed to replicate the sound of classic tube gear from the 1950s 1970s.

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### **Cons**

1. **Sensitivity to Power Supply Ripple**

Like most high-power triodes, the HF130 is **highly sensitive to power supply noise and ripple**. Poor filtering can lead to **hissing, hum, or instability**, particularly at low volumes. This requires careful circuit design or additional filtering components.

2. **Limited Plate Dissipation**

While powerful, the HF130 has a **plate dissipation rating of 25 30 watts per tube** in push-pull. Overdriving it can lead to **premature failure**, especially if the amplifier lacks adequate heat sinking or cooling.

3. **Microphonics Under Extreme Conditions**

Although generally stable, the HF130 can exhibit **microphonic behavior** if subjected to mechanical stress (e.g., sudden loud transients, poor mounting, or airflow turbulence). This is more common in poorly designed chassis.

4. **Higher Plate Voltage Requirements**

The HF130 typically operates at **high B voltages (500V 700V)**, which can pose a **safety hazard** during maintenance or repair. This requires proper insulation and caution when working with the tube.

5. **Not Ideal for Ultra-High Power Applications**

While powerful, the HF130 is **not as robust as some modern high-power tubes** (e.g., the **EL34 or 6550**), which can handle slightly higher plate voltages and dissipation. For extreme power demands, other tubes may be more suitable.

6. **Warm-Up Time**

Like all vacuum tubes, the HF130 requires **15 30 minutes to stabilize**, during which initial sound quality may be less optimal. This can be inconvenient for live performances or quick setups.

7. **Limited Availability of Replacement Parts**

While the tube itself is common, **replacement filaments or internal components** (e.g., cathodes) are less readily available, making repairs more challenging if the tube fails internally.

8. **Sound Signature Not Universally Loved**

Some audiophiles criticize the HF130 for a **lack of "punch" or "presence"** compared to other tubes like the **6L6 or EL34**. Its sound is often described as **smooth but slightly "soft"** in the upper mids, which may not suit all musical genres or personal preferences.

---

### **Conclusion**

The Amperex HF130 is a **versatile, reliable, and powerful** triode tube that excels in high-fidelity audio amplification. Its **low distortion, wide frequency response, and compatibility with vintage designs** make it a favorite among audiophiles and builders of tube amplifiers. However, its **sensitivity to power supply quality, high voltage requirements, and moderate sound signature** may not appeal to everyone.

For **beginners or those seeking a balance of power and affordability**, the HF130 is an excellent choice, especially in **push-pull amplifier configurations**. For **ultra-high-power or ultra-clean applications**, other tubes (e.g., **EL34, 6550, or 6L6**) might be preferable.

---

### **Recommendation**

- You are building or repairing a **vintage-style amplifier** (e.g., Fender Bassman, Marshall, or modern clones).

- You prioritize **low distortion and smooth high-fidelity sound**.

- You have a **stable, well-filtered power supply** to minimize hum and noise.

- You are willing to **allow for warm-up time** and accept its slightly softer upper mids.

- You need **maximum power output** (consider an **EL34 or 6550** instead).

- Your amplifier has **poor power supply filtering**, as this tube will amplify any noise.

- You prefer a **brighter, more aggressive sound** (e.g., 6L6 or 6CA7-based designs).

- You are working with **highly sensitive microphonic environments** (e.g., ribbon tweeters).

**Final Verdict:** The HF130 is a **solid, workhorse tube** that remains a top choice for many tube amplifier enthusiasts. With proper care and a well-designed circuit, it delivers **reliable performance and a pleasant, warm sound**. For most home audio or small studio applications, it is a **highly recommended** option.

Details:

If you feel might want to return this item, I would rather not buy it. Though this particular item is used and untested, it holds potential as a valuable addition to vintage electronics collections or for restoring antique audio equipment. The Amperex #130Power triode vacuum tube is a vintage part from the brand. Specifically designed as a power triode, this vacuum tube is sought-after component for vintage audio and video equipment.

The Amperex HF130 model is known for its reliability and performance in a variety of electronic applications.

part #: hf130 prices

• $53.99-$85.00

specifications tubesocketvintagego:

• brand: Amperex
• mpn: Hf130
• part type: Vacuum Tube
• country of origin: United States

offer tubesocketvintagego:

• availability: In Stock
• quantity: 1
• started: April 16, 2026
• best offers: True
• sold: 0
• options: Ship-to-home

seller tubesocketvintagego:

• # reviews: 152
• rating: 99.1%
• city: Ridge, New York

general tubesocketvintagego:

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

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• policy: No Returns

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• type: Calculated
• transit: 4-8 Days
• service: USPS Ground Advantage
• class: Standard
• cost: $11.05
• carrier: USPS

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