MULLARD QQV06-40A Dual Tetrode Vacuum Tube Valve Vhf Transmit

( Brand: Mullard ), ( Manufacturer Part Number: QQV06-40A ), ( Type: Vacuum Tube ), ( Tube Number: S ), ( Country/region Of Manufacture: United Kingdom )

Review MULLARD Dual Tetrode Vacuum Tube Valve Vhf Transmit Untested Qty

The QQV06-40A Mullard Dual Tetrode Vacuum Tube Valve VHF Transmit is a high-quality, vintage broadcasting component that is sure to captivate the interest of audio enthusiasts and hobbyists alike. This valve is a testament to the craftsmanship and engineering prowess of the Mullard brand, which was renowned for its production of top-tier vacuum tubes during the golden age of radio and television.

The QQV06-40A is a dual tetrode tube, meaning it features four active elements, two triodes, and a screen grid between each triode. This design configuration provides superior power handling and efficiency, making it an ideal choice for use in VHF transmitter applications. The tube is specifically designed to operate in the 50 MHz to 250 MHz frequency range, making it well-suited for use in amateur radio transmitters, low-power FM broadcasters, and other VHF communication systems.

The QQV06-40A is housed in a sturdy glass envelope, which not only adds to its aesthetic appeal but also provides excellent thermal insulation, ensuring that the tube operates at optimal temperatures even under heavy load conditions. The tube's heater is powered by a DC voltage of 6.3 volts, which is easily provided by most modern power supplies.

The QQV06-40A is a direct-heated triode, meaning it does not require an external filament for operation. Instead, the heat is generated directly within the tube by the current that flows through the filament wire. This design reduces the overall size and weight of the tube and also eliminates the need for an external power supply for the filament.

In terms of performance, the QQV06-40A is capable of delivering a maximum plate voltage of 300 volts and a maximum plate current of 1.2 amps. This translates to a maximum output power of 40 watts, making it a powerful and reliable choice for VHF transmitter applications.

In conclusion, the QQV06-40A Mullard Dual Tetrode Vacuum Tube Valve VHF Transmit is a versatile and powerful component that is sure to add a touch of vintage charm to any radio or communication system. Its superior performance, reliability, and build quality make it a must-have for any audio enthusiast or hobbyist looking to get the most out of their vintage equipment.

1. Authenticity: This is an original Mullard vacuum tube, which is renowned for its high-quality and durability.

2. Power Handling: The QQV06-40A has a power rating of 40W, making it suitable for medium-power applications.

3. Broadband Frequency Response: This tube can operate across a wide frequency range, making it versatile for various VHF transmissions.

4. Warm, Tubey Sound: Vacuum tubes like the QQV06-40A are known for their unique, warm sound, which some people prefer over solid-state electronics.

1. Maintenance: Vacuum tubes require regular maintenance and replacement of filaments, which can be time-consuming and costly in the long run.

2. Reliability: While Mullard is a reputable brand, vacuum tubes are generally less reliable than solid-state components due to their fragile nature.

3. Energy Consumption: Vacuum tubes consume more power compared to solid-state devices, which can lead to higher energy bills.

4. Size and Weight: Vacuum tubes are larger and heavier than their solid-state counterparts, which can limit the space and portability of your equipment.

The QQV06-40A Mullard Dual Tetrode Vacuum Tube Valve VHF Transmit offers a warm, unique sound and is suitable for medium-power applications. However, its maintenance demands, reliability issues, higher energy consumption, and larger size make it less efficient and practical for many modern applications. If you value the tubey sound and are willing to put in the maintenance effort, then this tube might be a good fit for you. Otherwise, solid-state components might be a better choice for their reliability, energy efficiency, and compactness.

Details:

Tube in very good condition with no signs of heating or damage. In original packaging.

Qty 1 Mullard QQV06-40A dual tetrode vacuum tube valve vhf transmit - untested qqv0640a selling as used since history is not known. If you are interested in something specific, please inquire.

part #: qqv0640a prices

• $60.00-$72.96

specifications tubesocketvintagego:

• brand: Mullard
• mpn: Qqv06-40a
• type: Vacuum Tube
• tube number: S
• country/region of manufacture: United Kingdom

Returns tubesocketvintagego:

• details: Please see Terms and Conditions on The DHTS Store Pages for additional information
• paid by: Buyer
• time: 30 Days
• policy: returns accepted
• type: Money Back

Seller tubesocketvintagego:

• zipcode: J7V 8J4
• city: Vaudreuil-Dorion, Quebec

Offer tubesocketvintagego:

• quantity: 1
• Sold: 0
• bids: 0
• best offer: true
• Started: November 26, 2017, 7:50 am

Ratings:

1. Item as described, fast shipping !!! 11-26-17

Shipping tubesocketvintagego:

• handling: 1 days
• type: Flat
• cost: $10.5

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• PayPal

General tubesocketvintagego:

• consumer electronics > vintage electronics > vintage audio video parts accessories consumer electronics > vintage tubestubes sockets audio
• in stock: Yes

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