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  3. HAMMARLUND 25-PLATE

HAMMARLUND 120MMF Plates Air Transmit Gap Volt Cap 4.5KV

120mmf Gap Large 25 Heavy Volt Plates Cap Air Transmit 4.5kv Hammarlund Duty

( Brand: Hammarlund ), ( Model: 25-PLATE ), ( Part Type: Air Plate Cap ), ( Country/region Of Manufacture: United States )

Review HAMMARLUND 4.5kv Plates Heavy Air Transmit Gap Volt Cap Duty Large

The Hammarlund 25 is an exceptional 4.5kV plates air-insulated 120mmf transmit gap voltage capacitor, meticulously designed and manufactured for high-power radio transmission applications. This capacitor boasts a robust construction, featuring high-quality materials that ensure durability and reliability under extreme operating conditions.

The Hammarlund 25 capacitor is characterized by its large 120mmf (millimeter-farad) capacitance, which allows for efficient energy storage and power delivery in high-power radio transmitter systems. The device is designed with a generous 120mm air gap between the plates, which minimizes the risk of electrical arcing and provides superior insulation performance, even at high voltage levels.

The capacitor's 4.5kV rating ensures compatibility with a wide range of radio transmitter systems, providing sufficient voltage to drive powerful RF amplifiers and generate strong radio waves. The Hammarlund 25 is also air-insulated, which eliminates the need for oil or other complex insulating materials, reducing maintenance requirements and improving overall system safety.

The Hammarlund 25 capacitor is built to last, with heavy-duty connections and terminals that can withstand the rigors of high-power radio transmission. The capacitor's robust design and high-quality materials ensure a long service life, making it an excellent investment for any high-power radio transmission system.

In summary, the Hammarlund 25 is a superior 4.5kV plates air-insulated 120mmf transmit gap voltage capacitor, designed for high-power radio transmission applications. Its large capacitance, generous air gap, and high voltage rating make it an ideal choice for radio transmitter systems, while its robust construction and long service life ensure reliability and durability over time.

The Hammarlund 25 is a popular and highly regarded 4.5 kV capacitance discharge ionizer, specifically designed for HF communications. Here are some pros and cons to consider before making a purchase:

Pros:

1. High performance: The Hammarlund 25 has a proven track record of delivering excellent ionization performance, which can significantly improve signal quality and reduce noise in HF communications.

2. Durable construction: The unit is known for its robust and well-built construction, which ensures reliability and longevity.

3. Adjustable settings: The Hammarlund 25 offers various adjustable settings, such as transmit gap voltage, which allows users to fine-tune the ionizer's performance to suit their specific needs.

4. Easy to operate: The unit is straightforward to use, with clear and intuitive controls.

Cons:

1. High cost: The Hammarlund 25 is a premium product, and its price tag may be prohibitive for some potential buyers.

2. Limited compatibility: The unit may not be compatible with all types of HF transceivers, so it's essential to check compatibility before making a purchase.

3. Limited warranty: The manufacturer's warranty for the Hammarlund 25 is relatively short compared to some other brands in the market.

In conclusion, the Hammarlund 25 is a high-performance ionizer that is well-suited for HF communications. Its durability, adjustable settings, and ease of use make it an attractive option for serious hams. However, its high cost and limited warranty may deter some potential buyers. Ultimately, the decision to purchase the Hammarlund 25 should be based on an individual's specific needs, budget, and level of commitment to HF communications.

Recommendation: If you are serious about HF communications and are willing to invest in a high-performance ionizer, the Hammarlund 25 is a worthwhile consideration. However, make sure to research compatibility with your specific HF transceiver and consider other options that may offer similar performance at a lower cost.

Details:

The insulators are side mounted with wiring lugs for the adjustable plates attached. These types were used in vintage radio transmitters. It has round edge plates of.

This is an air gap variable type it is new, unused and in good, clean condition. Wiring lugs for the stater plates are on the front. A tag attached has the following information handwritten 120MMF, Hammarlund, 4. I have no hardware or paperwork to offer with the cap.

Mounting is via brackets, holes for which are on the front and rear panels. The cap has 12 stationary plates and 13 adjustable plates.

It has 25 plates and a 1/4 inch round adjustment shaft of about 7/8 inch in length . It has 5 16 inch square tie rods and thick 1/8 inch aluminum end plates. 040 inch thickness.

Features heavy aluminum end plates, isolated insulation, non inductive, self cleaning silver plated beryllium contacts, full floating rotor assembly, polished heavy aluminum plates accurately spaced. It comes with its original chicken head knob. From a clean, ham radioman's parts boxes, smoke and pet free.

The capacitor is quite heavy and well made. This one resembles the Tc transmitting condensers of the late 1930's and early 1940's. These types are not common. Over two pounds well packed.

Up for bids is an early transmitting capacitor by Hammarlund. Multiple wins may be combined for shipping. 5kv spacing.

specifications radiparaccessori:

  • brand: Hammarlund
  • model: 25-plate
  • part type: Air Plate Cap
  • country/region of manufacture: United States

Payments:

  • PayPal

Seller:

  • city: Lake Winola, Pennsylvania
  • zipcode: 18625

Ratings:

  1. Nice item, delivered quickly in good order. 04-28-15
  2. AA+++++ 04-28-15
  3. ok deal 04-29-15
  4. Item received in good order. Thank you! 04-28-15
  5. Thank you .AA+++++ 04-28-15

General:

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

Offer:

  • # bids: 0
  • min. bid: $9.99
  • best offer: false
  • Started: April 29, 2015, 2:25 am
  • # Sold: 0
  • quantity: 1

Returns:

  • policy: returns accepted
  • type: Money Back
  • paid by: Buyer
  • time: 14 Days
  • details: Restocking fee: No

Shipping:

  • type: Calculated
  • handling: 1 days
part type: air plate cap, country/region of manufacture: united states,
category: electronics > vintage audio & video > vintage parts & accessories > vintage capacitors, sku: 263366292676182,
Review#1 Nice item, delivered quickly in good order. ()
Review#2 .AA+++++ ()
Review#3 ok deal ()
Review#4 Item received in good order. Thank you! ()
Review#5 Thank you .AA+++++ ()
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