Note: This is a finished board
Reference to the UK NAD3020 amplifier tone part, using double-sided thickened gold-plated PCB (substrate 2MM, copper foil thickness 75U, not 50U comparable) design, hifi components assembled, the circuit using single-ended amplification, High magnification (HFE300 +): 2SA992 / 2SC1845 audio dedicated pipe. The latter two pairs of A1145 / C2705 audio dedicated to the tube, the regulator circuit using a new LM317 / 337 high-precision low-noise regulator IC, a new revision to upgrade ELNA blue robe electrolysis, Taiwan potentiometer. The biggest feature of this tone is to adjust the high and low frequency, IF almost no change, low-frequency stretch! High frequency slim not harsh! Sound mellow is very nice! The effect is not comparable to the op amp pitch.
High bass adjustment range: bass + -15DB, treble + -10DB
Potentiometer distance from left to right: 40MM, 58MM
Size: 138 * 81MM
Voltage: AC: 24V - 0V - 24V
Package :
1pc DIY Fully Separation HIFI Tone Preamp Kit Base On UK NAD Preamplifier Board
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Returns & Replacements & Repair:
We accept returns & replacements within 30 days from the day the customer receive the products, please make first contact within 30 days from receiving the order. Products should be returned in original condition. As a benefit to our customers, we also provide repair within 3 Months from the day when this item is shipped out, after repair is done, we will send you the item, but the customer should pay both shipping ways.
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