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The legendary MBL6010 preamplifier
Considered the pinnacle of op-amp-based preamplifier circuits
Its design principles are well-known in the audio DIY community.
This preamplifier board supports a variety of single op-amp ICs
Features a well-designed layout, excellent performance, and strong DIY flexibility
This board has been on the market for many years, undergoing extensive tuning and debugging
Practical experience shows that great sound isn't necessarily achieved by stacking premium components
Reasonable application and matching are more effective than simply using expensive parts
Component selection is modest yet rigorous; see the BOM for details
Pursuing both sound quality and cost-effectiveness is our inherent principle
This board is completely noise-free, with a background as silent as a black hole
Delivers a wide, sweet, smooth, and warm sound with rich detail and excellent weight
Offers strong texture and elasticity, sounding grand and substantial without being thin
Power Supply: ±17V DC. If possible, use independent power supplies for each channel
Dimensions: 10x10x3cm (miniature size), ideal for integrated DIY preamp/power amp builds
Two boards can be combined to create a fully balanced preamplifier
Potentiometer not included; comes with one potentiometer adapter blank PCB
Default configuration uses JRC5534DD op-amps. Compatible with OPA627/OPA604/AD797
The above-mentioned op-amps have been confirmed to allow zero adjustment at all stages; compatibility with other op-amps is unknown
After extensive listening tests, different op-amps demonstrate unique excellent performances
Audiophiles can refer to the included debugging manual to replace with other op-amps
Recommended power supply: LM317-LM337 active servo linear regulated power supply
