SD2931 10 RF POWER TRANSISTORS HF/VHF/UHF N CHANNEL MOSFETs

SD2931 10 RF POWER TRANSISTORS HF/VHF/UHF N CHANNEL MOSFETs
  • Продавецwww.graceandflower.us
  • Список ценUS $23.00piece
  • Продажная ценаUS $23.00piece
  • ДоставкаБесплатная доставка
  • Рейтинги3,8 (442)

Oписание продукта

 

 

Features

Perfect inspired by E305 circuit

MOSFET dual differential input diamond phombus Architecture

Ultra-low cross-over distortion

Pure DC circuit (The whole circuit does not have any  coupling capacitor or feedback capacitor)

Current negative feedback type

Excellent dynamic response and diving depth

Perfect protection circuit

Sound features: natural slim, wide sound, the big dynamic effect is very good, the greatest feature is the bass dive deeper

Main parameters 
  • Output power: 120watts×2 /8Ω & 230watts×2 /4Ω
  • Frequency response: 20Hz ~ 20kHz / 3Hz ~ 150kHz (1W output)
  • Total Harmonic Distortion: 0.02% (20Hz ~ 20kHz)
  • Signal to noise ratio: 118dB
  • Channel: 2.0
  • Dimensions: W430 × H220 × D432 mm (without protruding parts)
  • Net weight: 37.8 kg (very very heavy)

Please Note
 
This is pure power amplifier, need connected with preamplifier then can use.
 
Perfect Matching Mark ML380s preamplifier
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Package include
  • 1× Power Amplifier
  • 1× Power Cord

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About Us :

We are dedicated to offer the best audio-visual products at the lowest price to our customers. Bringing great products and customer service, and thus help enriching our customers’ lives is our ultimate goal. 

About shipping :

1. WORLDWIDE SHIPPING. (Except some countries and APO/FPO)
2. Orders processed timely after the payment verification.
3. We only ship to confirmed order addresses. Your order address MUST MATCH your Shipping address.
4. We need a processing time for preparing the order to deploy products and process the china local shipping. After the International warehouse delivery, we shall provide u the tracking number in 5~10 days for the international shipping

5.  Import duties:Taxes and charges are not included in the item price or shipping charges.These charges are the buyer\'s responsibility. 

6. For Russia CU TRANS ship way, the tariff is include

7. You should check the product\'s appearance (and tubes) safety before to sign receipt. else we can\'t seek compensation with the couriers.

8. If you have not received your shipment within 30 days from payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Our goal is customer satisfaction!
 

Return&Refund:

1. You have 7 days to contact us and 30 days to return it from the date it was received. If this item is in your possession more than 7 days, it is considered used and WE WILL NOT ISSUE YOU A REFUND OR REPLACEMENT. There are NO EXCEPTIONS! Shipping cost is bear by buyer.
2. All returned items MUST BE in the original packaging and you MUST PROVIDE us with the shipping tracking number, specific reason for the return, and your po#.

About Guarantee:

1. 12 months Manufacturer`s limited Warranty for defective items (excluding items damaged and/or misused after receipt). Accessories come with a 3-month warranty.
2. Defective items MUST BE reported and returned within the warranty period (and in the original packaging, if possible). You must tell us what the defect is and give us your order number. WE DO NOT REPAIR OR REPLACE ITEMS WITH AN EXPIRED WARRANTY.
You agree to all of the above-listed policies upon ordering on aliexpress!

About feedback:

1.Since online shopping uncertainty, so thank u very much for choosing&trusting us.our service is ready to help u any time,your feedback is extremely important to us.
2.If you are satisfied, please leave 5 stars positive feedbacks, It’s very honored for us to achieve generous authentic assessments and photographs,thx!
3.Any product or shipping issue, please contact us before opening the dispute or leaving any nertral/negative feedback, we\'ll carefull to do our endeavor to solve problems to the most make you satisfied.
4.In case of returns, please contact us first, you describe the problems and reasons.Then we\'ll send you the return slip.For all other questions contact us by site message or email