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Specification
Brand : Jolooyo
BulletPoint1 : Fethead Preamp|Amplifier Company|High-Quality Components:Equipped with premium MOSFET pass transistors for tube-like sound with rectification noise rejection.
BulletPoint2 : Precision Design:Features a 0.02 ohm ground resistance, ensuring low noise and a single-point grounding design.
BulletPoint3 : DIY Kit with Components:Comes with a PCB and components, allowing for a hands-on DIY experience with soldering and testing.
BulletPoint4 : Advanced Circuitry:Incorporates a two-stage buck regulator filter and low-pass filter for purer power supply.
BulletPoint5 : Easy Installation:Designed with plated-through holes, the kit is easy to assemble from the bottom of the board.
ExternallyAssignedProductIdentifier : 6256294973528
ExternallyAssignedProductIdentifier1 : 0671506538061
ExternallyAssignedProductIdentifier2 : 671506538061
IncludedComponents : Board
ItemName : Refer-to-Naim-Fully Discrete Phono Amplifier(MM) RIAA Class A Finished Board
ItemPackageDimensions_Height : 2.8 inches
ItemPackageDimensions_Length : 12.5 inches
ItemPackageDimensions_Width : 10 inches
ItemPackageQuantity : 1
ItemTypeKeyword : electronic-component-audio-amplifiers
Manufacturer : JL
Material : Aluminum
ModelNumber : DX-206+Knob+Wire
NumberOfItems : 1
PackageLevel : unit
PartNumber : NF-JLY
ProductDescription :

Fully Discrete Phono Amplifier(MM) RIAA Class A DIY Kit/Finished Board

(1)Tech highlights:
Two-stage buck regulator filter,Two low-pass filter (with a corner frequency of 1.6Hz prevents power noise from being introduced into the amplifier. Provide purer power supply (close to battery).

oltage power supply uses MOSFET as pass transistors, which have a sense of tube sound characteristics but rejecting the rectification and regulation noise.

voltage soft-start feature is included which will take about 5 second to reach the designed voltage .

all-in-one design, single-point grounding, ground resistance is close to the 0.02 ohm resistance value, low noisedesign.

More cost-effective sound modification plan.
Fully Discrete AMP.
PCB SIZE: 131x101x1.6mm 1oz Cu, HASL with lead.
Power requirements: Best:24VAC@1A

(2)Product configuration:
DIY kit: Contains the PCB and the components needed on the PCB, but does not include the power transformer .

Finished board: Based on the well-tested board on the standard version kit, we verified all key points' voltage, and used the signal generator and oscilloscope for analog waveform double verification. We will not use this board for listening test.

All finished pcbs are all carefully hand-soldered and fully tests, so the price is higher and less cost performance. Price-sensitive consumers but with have DIY ability are recommended to choose the kit.

(3)Schematic & key point of debugging:
PCB comes with component parameters for easy installation.

We only refer the schematic of the amplification part of the circuit. If you need full circuit parameter, please read the component value with the PCB by yourself; we do not provide additionally.

Please keep test point voltage close enough to it, +-20% is also permitted

ProductSiteLaunchDate : 2024-07-31T08:25:09.140Z
SupplierDeclaredDgHzRegulation : not_applicable
UnitCount : 1