Assemble Full DC Class A Preamplifier Board ALPS Potentiometer Pre-Amp Board

$54.00
+ $6.99 Shipping

Assemble Full DC Class A Preamplifier Board ALPS Potentiometer Pre-Amp Board

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Assemble Full DC Class A Preamplifier Board ALPS Potentiometer Pre-Amp Board

$54.00

Save $45.00 (45%)

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$99.00
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+ $6.99 Shipping

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  • Brand: Unbranded
Product details

Product details

Assemble Full DC Class A Preamplifier Board ALPS Potentiometer Pre-Amp Board

Color: As shown Material: PC Description Report Item Details: Sugden SDA-1 amplification circuit The full DC line has no coupling or feedback capacitors, and the sound is transparent and pleasant to the ear Single operation JRC5534DD for core amplification The output stage adopts Class A design with 10mA Class A current All components Using 4 twin field tube inputs KOA hifi resistor 2mm thick printing plate, 70um thick copper Using American ALPHA soldering wire for welding Basic parameters: Size: 92 * 102mm Voltage: ± 12-17.5V Input impedance: 220K ohms AP test parameters: Output effective value: 11.0V Channel gain: 10.6dB 3.4 times Signal to noise ratio: 132.5dB is impressive Dynamic range: 133dB Channel crosstalk: -97dB THD distortion: 0.000092% very impressive THD+N distortion: 0.00027% Audio bandwidth: ± 0.039dB Color: As Shown Material: PC Package Contents: Preamplifier board x 1 (included potentiometer) Only the above package content, other products are not included. 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: 489875786-1012776648
  • EAN: 6032048546411
Safety

Product Safety Information

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

Manufacturer Part Number: I501072485
Serial Number: I501072485

Product Compliance Details

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

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

  • Shenzhen Haoyouqu Electronics Ltd.
  • Shenzhen Haoyouqu Electronics Ltd.
  • Tian'an Community，Shatou Subdistrict，Futian District
  • shenzhen
  • CN
  • 518000
  • [email protected]
  • 15320490316

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.

  • Elena Wang
  • ECLAT SOLUTION SARL
  • Bureau 1145,37 Passage du Ponceau, 75002 Paris
  • Paris
  • France
  • 75002
  • [email protected]
  • +33 187652619
Delivery

Delivery

Dispatched within 7 days

  • STANDARD: $6.99 - Delivery between Mon. 21 September 2026–Tue. 29 September 2026

Shipping from China.

Returns

Returns

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