Description: Introduction: This product refers to the treble and bass adjustment part of the UK NAD3020 power amplifier, The circuit adopts single-ended class A amplification, and the amplifier tube adopts Japanese original high magnification. (HFE300+): SA992/2SC1845 audio dedicated pair tube. The latter two pairs use B647/D667 audio dedicated pair tubes, The voltage regulator circuit uses a new LM317/337 high-precision low-noise voltage regulator IC. The biggest feature of this treble and bass adjustment is to adjust the high and low frequencies. Change, full of low frequency elasticity! The high frequency is slender and not harsh! The mellow tone is very durable! The effect is not comparable to the tone of the op amp. Treble and bass adjustment range: bass +-15DB, treble +-10DB. Parameter: Input voltage: AC 24V--0--24V GAIN: 8dB Treble: +/-10dB Bass adjustment range: +/-15dB Potentiometer spacing: 40mm and 58mm (from left to right) PCB Size: 138mm*81mm (L*W) NOTE: We have DIY kit or finished board (Optional) ◆ DIY kit ---- All parts need you to solder and test it. (No potentiometer) ◆ Finished board ---- All parts have been welded and tested OK. (With A50K potentiometer)
Price: 20.99 USD
Location: FOSHAN
End Time: 2023-11-14T02:19:32.000Z
Shipping Cost: 0 USD
Product Images
Item Specifics
Restocking Fee: No
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
Brand: GZLOZONE
Type: Preamplifier
Number of Channels: 2
Product Code: PRE-K/B202213
Model: D3020
Country/Region of Manufacture: China
Available Variations
Color: DIY Kit
Price: 20.99 USD
Available Quantity: 3
Quantity Sold: 1
Color: Finished board
Price: 32.99 USD
Available Quantity: 3
Quantity Sold: 0
