109 In stock
Finished PCBA Amplifier Board
IWISTAO Tube Pre-amplifier PCBA Board Audio Marantz 7 Preamp M7 With Tubes 12AX7 12AU7 HIFI DIY
Model No: WHFT-PA007
Marantz 7 tube pre-amplifier is a legend classics unit. Thousands of HIFI audiophiles had been attracted and quested by its mellow sound, sweet nature low frequency, endless sweet and sour tube taste. It has been revised according to Marantz 7 tube preamp and successful launch finished unit, it give you big surprise due to sound quality, with not harsh and delicate treble, alto warm and sweet, soft bass without lack of strength, and give you an unexpected efforts.
Human voice with natural, delicate, smooth strings, stretch, the sound field is very atmospheric, good positioning of each musical instrument , good music imaging and superb treble transparent, elegant like as velvet, also its low-frequency is very content.
Effect Photos after Fixed into Casing
(Note: the photos just for reference, not including other components and parts, only PCBA and tubes is in packing list)
1. PCB size: 148mm * 220mm
2. Power voltage: 250V-0-250V 60MA , 0-6.3V 1A ,0-13V 2A
a) Tube 12AX7 x2
b) Tube 12AU7x 1
c) 6Z4 x 1
4. Circuit Diagram
Note: Picture part or components for reference only, due to different batches of purchase of certain components brand will change. We will take the same grade component substitution without notice.
1.Important: Import duties, taxes and other customs related charges all are not included into shipping cost . Buyers bear all responsibility for all extra charges incurred (if any).
2. We only ship to confirmed order addresses. Your order address MUST MATCH your Shipping address. We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
3. When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
4.Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound. The shipping rate can be showed at the Checkout page. There are two options for shippig as below.
A. Standard Shipping(≤2KG): The Post Registered Air Mail, USPS/ePacket, PostNL, Singapore Post, or DHL Global Mail
B. Express Shipping: EMS, DHL, UPS , or Fedex, Special Route.,etc. For faster shipping and smooth transaction, we will change the shipping company among themC. Economy Shipping: China Air Post Mail / Parcel, Hongkong Air Post Mail / Parcel, or shipment by sea etc
You may return most new, unopened items within 7 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
1. One year 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 (with 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 our store.