DIY Full DC Class A Preamplifier Board ALPS Potentiometer Kit

$79.00
+ $7.49 Shipping

DIY Full DC Class A Preamplifier Board ALPS Potentiometer Kit

  • Brand: Unbranded
Sold by:

DIY Full DC Class A Preamplifier Board ALPS Potentiometer Kit

  • Brand: Unbranded

$79.00

In stock
+ $7.49 Shipping

14-Day Returns Policy

Sold by:

$79.00

In stock
+ $7.49 Shipping

14-Day Returns Policy

Payment methods:

Description

DIY Full DC Class A Preamplifier Board ALPS Potentiometer Kit

Color: As shown<br> Material: PC<br> Description Report Item Details:<br> Sugden SDA-1 amplification circuit<br> The full DC line has no coupling or feedback capacitors, and the sound is transparent and pleasant to the ear<br> Single operation JRC5534DD for core amplification<br> The output stage adopts Class A design with 10mA Class A current<br> All components<br> Using 4 twin field tube inputs<br> KOA hifi resistor<br> 2mm thick printing plate, 70um thick copper<br> Using American ALPHA soldering wire for welding<br> Basic parameters:<br> Size: 92 * 102mm<br> Voltage: ± 12-17.5V<br> Input impedance: 220K ohms<br> AP test parameters:<br> Output effective value: 11.0V<br> Channel gain: 10.6dB 3.4 times<br> Signal to noise ratio: 132.5dB is impressive<br> Dynamic range: 133dB<br> Channel crosstalk: -97dB<br> THD distortion: 0.000092% very impressive<br> THD+N distortion: 0.00027%<br> Audio bandwidth: ± 0.039dB<br> Color: As Shown<br> Material: PC<br> Package Contents:<br> Preamplifier board x 1 (included potentiometer)<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
  • Fruugo ID: 511828124-1045762099
  • EAN: 0005820909663

Product Safety Information

Please see the product safety information specific to this product outlined below

The following information is provided by the independent third-party retailer selling this product.

Manufacturer Part Number: I501072485
Serial Number: I501072485

Delivery

Dispatched within 3 days

  • STANDARD: $7.49 - Delivery between Fri 24 July 2026–Wed 29 July 2026

Shipping from China.

Returns

We do our best to ensure that the products that you order are delivered to you in full and according to your specifications. However, should you receive an incomplete order, or items different from the ones you ordered, or there is some other reason why you are not satisfied with the order, you may return the order, or any products included in the order, and receive a full refund for the items.

View full return policy

Product Compliance Details

Please see the compliance information specific to this product outlined below.

The following information is provided by the independent third-party retailer selling this product.

Manufacturer
The following information outlines the contact details for the manufacturer of the relevant product sold on Fruugo.

  • Shenzhen Yingermeng Trading Co Ltd
  • Shenzhen Yingermeng Trading Co Ltd
  • A2-3403, Vanke Tianyu Center Plaza, 7188 Longxiang Avenue, Jixiang Community, Longcheng Street
  • Shenzhen
  • China
  • 515300
  • [email protected]
  • +86 13798534404
  • https://www.ecrep.es/

Responsible Person in the EU
The following information outlines the contact information for the responsible person in the EU. The responsible person is the designated economic operator based in the EU who is responsible for the compliance obligations relating to the relevant product sold into the European Union.

  • Stephen Krashen
  • ZXY Horizon SAS
  • Bureau 797 37 passage du Ponceau
  • Paris
  • FR
  • 75002
  • [email protected]
  • +0033 773145318
  • https://www.ecrep.es/