Description: Introduction: The circuit refers to the Accuphase C3850 preamplifier. The C3850 circuit is a preamplifier that is worth making and admiring. If you make it with your heart, the effect is much better than the general preamp. It is looser, more delicate, warmer and more charming. Because of the classic, it Far from being comparable to ordinary electronic tubes and op amp preamps, the sound can be comparable to the timbre of electronic tubes. The circuit architecture uses the op amp as the basic amplifier. Discrete parts are added to increase the open loop gain. The voltage and current dual feedback circuit is used to reduce distortion. There is no need to debug the board. Input voltage: AC 14V-0-14V～AC 18V-0-18V PCB size: 155mm*136mm The standard op amp are 2pcs Philips NE5534 (this NE5534 are used, but 100% original Philips. it works in good performance.) customers also can upgrade other single op amps, such as OPA627, LME49710, OPA1611, etc. NOTE: We have DIY kit or Finished board (Optional) ◆ DIY kit ---- All parts need you to solder and test it. ◆ Finished board ---- All parts have been welded and tested OK.
Price: 32.99 USD
Location: FOSHAN
End Time: 2023-10-25T09:58:23.000Z
Shipping Cost: 0 USD
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Item Specifics
Return shipping will be paid by: Buyer
All returns accepted: Returns Accepted
Item must be returned within: 30 Days
Refund will be given as: Money Back
Return policy details:
Brand: ZEROZONE
Type: Preamplifier
Number of Channels: 3
Product Code: PRE-K/B202205
Model: C3850
Country/Region of Manufacture: China
Amplifier Class: A
Available Variations
Color: DIY Kit
Price: 32.99 USD
Available Quantity: 2
Quantity Sold: 0
Color: Finished board
Price: 39.99 USD
Available Quantity: 3
Quantity Sold: 1
