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IWISTAO Tube Phono Amp Stage Kit M7 Turntables RIAA 12AX7 6X4 Rectifier Not Soldering No Including Tubes HIFI DIY
59 In stock
MM/MC Phono Preamplifier
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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).
M7 Tube Phono Amplifier Kit PCB Turntables RIAA 12AX7 6x4 Tube-Rectifier Not Soldering No Including Tubes HIFI Audio DIY
Model No: WMM-MZ7(K)-NS
This product is parts kit for audiophiles’ DIY. And it adopted tube rectifier, recommend to use tubes 12AX7 and 6X4, or 6N2 and 6Z4, HIFI level parts or componemts had been adopted in this kit. THIS KIT don’t include any tubes, and isn’t soldered.
If want to achieve the finished product, you need to fix other extra parts such as separated tubes, power transformer, connectors, chassis,.etc.
The shipping package includes the parts and components as below photo showed but they are not soldered (the photo only just reference).
Effect for tube fixed and soldering
Sepecifications
1. PCB size: 120mm x 260mm
2. Requirements of secondary voltage of power transformer is:
a) AC 250 to 270v group x 1 , current is greater than 30mA;
b) AC12.6v x 1, current greater than 2A,
c) 6.3v group x 1 (rectifier as a tube)
3. Tube model requirements (THIS KIT don’t include any tubes)
a) 12AX7 x3pcs, plus rectifier tube 6X4 x 1pc;
b) or 6N2 x 3pcs, plus rectifier 6Z4 x 1 pc (both 6.3v filament)
Circuit Diagram of the tube phono stage amplifier
Note:
1. We provide you some items and components for your DIY. If you have enough capablities for circuit-reading, electronical components knowledge, assembling, soldering and problem-solving, you can buy them to enjoy DIY. If not, please don't buy them. We only provide limit technology support in this individial items itself.
2. If the kit had been soldered after sold, we don't accept the return.
3. If you buy the kit, it means that you shall accept the terms above.
Learn more about phono stage amplifier
Phono amplifier is designed for a phono signal amplification while using Turntables amplifier inside for special sound equalization circuit (RIAA) for restoring vinyl, it cannot be used for other purposes.
Method for checking noise sources
After phono player connected with the phono amplifier stage, if there is a significant low-frequency noise, you need to check in which part of the noise. First unplug the phono amplifier input signal cable to disconnect connection between them, if the low-frequency noise disappeared or significantly reduced, that may explain the noise from the phono player; obvious if the same or reduce low frequency noise , the noise it is very likely to put itself caused by phono amplifier.
It may cause a greater frequency noise that no specialized non-standard phono ground wire.
Generally, nonstandard phonograph is a turntable part of music center to cope with this set of sound designed, when external phono amplifier put to ground that could cause a large hum due to the different ground ways
Shipping
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 them
C. Economy Shipping: China Air Post Mail / Parcel, Hongkong Air Post Mail / Parcel, or shipment by sea etcReturns Policy
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.
Seller Guarantees
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.Related Products
