RCA 5V3A Tubes Valves Rectifier Vacuum Nos 5AU4

( Brand: Rca ), ( Model: 5AU4 / 5V3A ), ( Type: Nos Tubes ), ( Country/region Of Manufacture: United States )

Review RCA Tubes Valves Rectifier 5v3 Tested Boxes Vacuum Two Nos

The 5AU4 tubes, specifically the 5U4G, 5U4GB, 5U4GBG, 5U4GBGW, 5U4GBGX, 5U4GBW, 5U4GBX, 5U4GBY, 5U4GBZ, 5U4GW, 5U4GX, 5U4GY, 5U4GZ, 5U4T, 5U4TH, 5U4TG, 5U4THG, 5U4TGH, 5U4THW, 5U4TGW, 5U4THX, 5U4TGX, 5U4THY, 5U4TGZ, 5U4TY, 5U4TZ, 5U4V, 5U4VG, 5U4VGW, 5U4VGX, 5U4VGY, 5U4VGZ, 5U4VH, 5U4VHW, 5U4VHX, 5U4VHZ, 5U4VW, 5U4VWX, 5U4VWY, 5U4VWZ, 5U4VT, 5U4VTG, 5U4VTGW, 5U4VTGX, 5U4VTGY, 5U4VTGZ, 5U4VTW, 5U4VTWX, 5U4VTWY, 5U4VTWZ, 5U4VU, 5U4VUG, 5U4VUGW, 5U4VUGX, 5U4VUGY, 5U4VUGZ, 5U4VUH, 5U4VUHW, 5U4VUHX, 5U4VUHZ, 5U4VUW, 5U4VUWX, 5U4VUWY, 5U4VUWZ, 5U4VV, 5U4VVG, 5U4VVGW, 5U4VVGX, 5U4VVGY, 5U4VVGZ, 5U4VVH, 5U4VVHW, 5U4VVHX, 5U4VVHZ, 5U4VVW, 5U4VVWX, 5U4VVWY, 5U4VVWZ, 5U4VY, 5U4VYG, 5U4VYGW, 5U4VYGX, 5U4VYGY, 5U4VYGZ, 5U4VYH, 5U4VYHW, 5U4VYHX, 5U4VYHZ, 5U4VYW, 5U4VYWX, 5U4VYWY, 5U4VYWZ, 5U4VZ, 5U4VZG, 5U4VZGW, 5U4VZGX, 5U4VZGY, 5U4VZGZ, 5U4VZH, 5U4VZHW, 5U4VZHX, 5U4VZHZ, 5U4VZW, 5U4VZWX, 5U4VZWY, 5U4VZWZ, 5U4, also known as 5AU4, 5U4G, 5U4GB, 5U4GBG, 5U4GBGW, 5U4GBGX, 5U4GBW, 5U4GBX, 5U4GBY, 5U4GBZ, 5U4GW, 5U4GX, 5U4GY, 5U4GZ, 5U4T, 5U4TH, 5U4TG, 5U4THG, 5U4TGH, 5U4THW, 5U4TGW, 5U4THX, 5U4TGX, 5U4THY, 5U4TGZ, 5U4TY, 5U4TZ, 5U4V, 5U4VG, 5U4VGW, 5U4VGX, 5U4VGY, 5U4VGZ, 5U4VH, 5U4VHW, 5U4VHX, 5U4VHZ, 5U4VW, 5U4VWX, 5U4VWY, 5U4VWZ, 5U4VV, 5U4VVG, 5U4VVGW, 5U4VVGX, 5U4VVGY, 5U4VVGZ, 5U4VVH, 5U4VVHW, 5U4VVHX, 5U4VVHZ, 5U4VVW, 5U4VVWX, 5U4VVWY, 5U4VVWZ, 5U4VY, 5U4VYG, 5U4VYGW, 5U4VYGX, 5U4VYGY, 5U4VYGZ, 5U4VYH, 5U4VYHW, 5U4VYHX, 5U4VYHZ, 5U4VYW, 5U4VYWX, 5U4VYWY, 5U4VYWZ, 5U4VZ, 5U4VZG, 5U4VZGW, 5U4VZGX, 5U4VZGY, 5U4VZGZ, 5U4VZH, 5U4VZHW, 5U4VZHX, 5U4VZHZ, 5U4VZW, 5U4VZWX, 5U4VZWY, 5U4VZWZ, are vintage vacuum tubes primarily used as rectifiers in RCA 5V3 amplifier circuits. These tubes are also known as 5U4 rectifiers, and they are widely used due to their superior performance and longevity.

The 5AU4 tubes are designed to convert alternating current (AC) into direct current (DC) efficiently. They have a high plate current capacity, which makes them suitable for power amplifier applications. The tubes are also known for their low noise and distortion levels, which are essential for high-fidelity audio reproduction.

The tubes have a glass envelope with metal filaments and metal plates. The filament is typically made of tungsten, while the plates are made of nickel. The tubes have a heater element that heats up the filament, which in turn ionizes the gas within the tube, allowing the flow of current.

The 5AU4 tubes are available in various pin configurations, including the 9-pin and the 8-pin types. The 9-pin configuration has an additional filament pin, which allows for more efficient heat dissipation. The 8-pin configuration is more common in older amplifiers.

When purchasing 5AU4 tubes, it is essential to ensure that they are new, old stock (NOS), or reissued tubes. NOS tubes are tubes that have been manufactured in the past and have been stored in a vacuum for an extended period. These tubes are often highly sought after because they offer the same performance as the original tubes. Reissued tubes are tubes that have been manufactured using the original specifications and designs.

In conclusion, the 5AU4 tubes are high-quality vacuum tubes that are widely used as rectifiers in RCA 5V3 amplifier circuits. They are known for their superior performance, low noise and distortion levels, and longevity. When shopping for 5AU4 tubes, it is essential to ensure that they are new, NOS, or reissued tubes to ensure optimal performance.

1. Authentic sound: 5AU4 tubes produce a warm, rich, and natural sound that is often preferred over solid-state devices.

2. Vintage appeal: The use of tubes adds a vintage aesthetic to the amplifier, which may be appealing to some audiophiles.

3. Durability: Vacuum tubes are known for their durability and longevity, as long as they are properly maintained.

1. High maintenance: Vacuum tubes require regular cleaning, alignment, and replacement to maintain optimal performance.

2. Expense: Tubes can be expensive to purchase, especially high-quality vintage tubes like the 5AU4.

3. Limited power: Vacuum tubes have lower power output compared to solid-state devices, which may limit the amplifier's ability to drive higher-impedance speakers.

If you are an audiophile who values the warm, rich sound and vintage aesthetic of vacuum tubes, and you are willing to invest the time and money required to maintain and replace tubes, then buying 5AU4 tubes for your RCA 5V3 vacuum tube amplifier may be worth considering. However, if you are looking for a more efficient, low-maintenance option, you may want to consider a solid-state amplifier.

If you decide to purchase 5AU4 tubes for your RCA 5V3 vacuum tube amplifier, make sure to invest in high-quality vintage tubes to ensure optimal sound quality. Additionally, be prepared to spend time and money on maintenance and replacement, as well as researching and following proper tube alignment and replacement procedures.

Details:

These tubes were both tested on a recently calibrated b k 747b mutual conductance tester with all tube sections above 110 out of the newer tube is labeled as a 5V3A and also as a 5AU4. I have for sale two nos Rca 5AU4 vacuum tubes. One is an older tube labeled as a 5AU4 only.

These are new tubes in their original boxes. No tubes showed any shorts.

specifications tubesocketvintagego:

• brand: Rca
• model: 5au4 / 5v3a
• type: Nos Tubes
• country/region of manufacture: United States

Seller tubesocketvintagego:

• zipcode: 06479
• city: Plantsville, Connecticut

General tubesocketvintagego:

• Consumer Electronics > Vintage Electronics > Vintage Audio & Video > Vintage Parts & Accessories > Vintage Tubes & Tubes Sockets
• in stock: Yes

Shipping tubesocketvintagego:

• handling: 1 days
• type: Flat
• cost: $0.0

Payments tubesocketvintagego:

• PayPal

Offer tubesocketvintagego:

• best offer: true
• Started: November 1, 2015, 11:22 am
• # bids: 0
• # Sold: 0
• quantity: 1

Ratings:

1. Great fast shipping thanks. 10-28-15
2. nice tubes - as advertised 10-25-15
3. great item, really fast shipping, thanks! 10-19-15
4. nice 10-24-15
5. Item as described; no issues. Would buy from again! 10-23-15

Returns tubesocketvintagego:

• type: Money Back
• paid by: Buyer
• time: 14 Days
• policy: returns accepted

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