HOPKINS CQ5A1 Pio Capacitors Audio Tube Amplifier VC224K Capacitors. .22 200V

( Brand: Hopkins ), ( Manufacturer Part Number: CQ5A1 ), ( Model: VC224K ), ( Part Type: Capacitor Tube Amplifier ), ( Country Of Origin: United Kingdom )

Review HOPKINS Vintage Pio Capacitors. Four .22 200v Tested Uk Audio Tube Amp

The Hopkins CQ5A1 PIO capacitors are a must-have component for audio tube amplifiers operating at a voltage of 200V. These capacitors are designed and manufactured by Hopkins Electro-Mechanical, a renowned name in the electronics industry known for their high-quality capacitors.

These CQ5A1 capacitors are part of Hopkins' PIO (Precision Industrial Oil) series, which is engineered for superior performance in demanding audio applications. The capacitors feature a rugged, porcelain case construction that ensures durability and reliability even under heavy use. The capacitor's electrolyte is a high-quality, electrolytic oil that provides excellent stability and long-lasting performance.

The Hopkins CQ5A1 PIO capacitors have a capacitance range of 100 to 10,000 F and are rated for a voltage of 200V. The capacitors have a low equivalent series resistance (ESR) and low equivalent series inductance (ESL), which results in a more efficient power transfer, reducing power loss and improving the overall sound quality of the amplifier.

The capacitors come with a high-quality tin-plated lead wire that ensures a secure connection and reduces the risk of oxidation. The capacitors are also RoHS compliant, meaning they do not contain any hazardous materials such as lead, cadmium, mercury, or hexavalent chromium.

The Hopkins CQ5A1 PIO capacitors are a perfect fit for audio tube amplifiers that require high-performance capacitors to deliver the best possible sound quality. With their rugged construction, high-quality electrolyte, low ESR and ESL, and RoHS compliance, these capacitors offer unmatched reliability, efficiency, and environmental sustainability. Whether you're building a new amplifier or upgrading an existing one, the Hopkins CQ5A1 PIO capacitors are an excellent choice for your audio tube amplifier project.

Hopkins CQ5A1 PIO capacitors are commonly used in audio tube amplifiers due to their high-quality electrolytic capacitors that offer excellent audio performance. Here are some pros and cons of buying Hopkins CQ5A1 PIO capacitors for a 200V audio tube amplifier:

1. High-quality capacitors: Hopkins CQ5A1 PIO capacitors are known for their superior sonic performance, making them an excellent choice for audio applications.

2. Reliability: The capacitors are built to last, with a long lifespan and robust construction that can withstand the rigors of high-power audio applications.

3. Consistent performance: The capacitors provide consistent performance over a wide range of temperatures and operating conditions, ensuring stable and reliable amplifier operation.

4. Easy replacement: The capacitors are readily available and easy to install, making them a popular choice among DIY audio enthusiasts and professionals.

1. Cost: Hopkins CQ5A1 PIO capacitors are more expensive than some other capacitor brands, which may be a consideration for those on a budget.

2. Size: The capacitors are larger than some other capacitor types, which may require more space in the amplifier chassis.

3. Weight: The capacitors are heavier than some other capacitor types, which may add to the overall weight of the amplifier.

In conclusion, Hopkins CQ5A1 PIO capacitors offer excellent sonic performance, reliability, and consistent performance for audio tube amplifiers. However, they come with a higher cost and larger size compared to some other capacitor types. If you are building or repairing a high-end audio tube amplifier and are looking for the best possible sound quality, then Hopkins CQ5A1 PIO capacitors are an excellent investment. On the other hand, if you are on a tight budget, there are other capacitor options available that may be more cost-effective. Ultimately, the decision to use Hopkins CQ5A1 PIO capacitors will depend on your specific application requirements and budget constraints.

Details:

NOS vintage paper-in-oil capacitors tested for capacitance only.

part #: cq5a1 price

• $25.00

specifications vintacapacitor:

• brand: Hopkins
• mpn: Cq5a1
• model: Vc224k
• part type: Capacitor Tube Amplifier
• country of origin: United Kingdom

offer vintacapacitor:

• options: Ship-to-home
• started: March 3, 2026
• availability: In Stock
• quantity: 1
• sold: 0

seller vintacapacitor:

• rating: 100.0%
• city: Roanoke, Virginia
• # reviews: 702

shipping vintacapacitor:

• service: USPS Ground Advantage
• type: Calculated
• cost: $7.29
• carrier: USPS
• class: Standard
• transit: 4-10 Days

general vintacapacitor:

• Vintage Audio Video > Vintage Parts Accessories > Vintage Capacitors
• condition: Open box

payments vintacapacitor:

• wallet: Google-pay
• credit card: Discover
• other

returns vintacapacitor:

• policy: No Returns

Hopkins CQ5A1 Is Similar To:

• Hopkins 91k4224c Vintage Pio Capacitors 47 F 300v Tested Close Match Uk Audio Tube Amp (77.8% similar) Nos vintage paper-in-oil capacitors tested for capacitance only...(March 3rd, 2026)
• Hopkins Ne474k Vintage Pio Capacitors 2 47 F 400v Tested Inch Uk Audio Tube Amp (81.3% similar) Nos vintage paper-in-oil capacitors tested for capacitance only. In the capacitance test pictures first two capacitors are being sold together, and last together...(March 3rd, 2026)