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Specification
Brand : Jauarta
BulletPoint1 : NE5532P Chip: Other op amp chip such as OPA2604AP OP275G TL072, etc. can also be replaced, very simple and practical.
BulletPoint2 : Board Structure: 3 channel output, treble, bass, midrange, which ensures good sound quality and more audio enjoyment.
BulletPoint3 : Crossover Point: 500HZ, 5kHZ, that is, 20HZ‑500HZ is bass output, 500HZ‑5KHZ is midrange output, 5KHZ‑20KHZ is treble output.
BulletPoint4 : Filter Type: Subtractive divider, also comes with ‑24dB/Oct attenuation slope, so the preamp module has high efficiency.
BulletPoint5 : Easy to Install: Designed to have a light weight and a compact size as well, the installation is very convenient.
Color : #511
IncludedComponents : No
ItemName : Preamp Module Preamplifier 3 Channel NE5532 Adjustable Treble Midrange Bass Output
ItemPackageDimensions_Height : 3 centimeters
ItemPackageDimensions_Length : 13 centimeters
ItemPackageDimensions_Width : 10 centimeters
ItemTypeKeyword : bass-guitar-amplifier-preamps
Manufacturer : Jauarta
ModelName : Jauartah9exf6zq14
ModelNumber : Jauartah9exf6zq14
NumberOfItems : 1
PartNumber : Jauartah9exf6zq14
ProductDescription : Specification:
Item Type: Preamp Module
Model: NE5532
Material: PCBA
Attenuation Slope: -24dB/Oct
Product Size: Approx. 98 x 84 x 20mm / 3.86 x 3.31 x 0.79in
Power: DC positive and negative, 9-15V.

Package List:
1 x Preamp Module

Notice:
The 10k resistor in the picture cannot be changed.
The R calculated by the calculation software is too large, such as C=1nF, f=5kHz, according to the formula f=0.707/(2X314Rc) the data is very accurate, R=22k. So the following number.
According to (Increase C by 10 times, R remains unchanged, f becomes 1/10 of the original) For reference only:
When C=1nF, f=5kHz, R=225k (the accurate data should be 22k)
C=1nF, f=4.7kHz f, R=24K.
C=1nF, f=4.4kHz #f, R=256k.
C=1nF, f=4.1kHz f, R=183k
C=1nF, f=3.8kHz Hf, R=19.7k.
When C=1.5nF, f=3.5kH, R=214kC=1.5nF
When f=35kHz, R=21.4k
When C=15nF, f=32kHz, R=235k (I used C=15nF, R=22k, use the formula f=3333Hz, use soft piece f=3410Hz)
C=2.2nF, f=3kHz Hf, R=17k
C=2.2nF, f=2.8kHz Hf, R=183k
C=2.2nF, f=2.5kHz f, R=20.5k.
C=2.2nF, f=2.2KHz Hf, R=233k
C=2.7nF, f=2.2kHz Bf, R=19k.
C=2.7nF, f=2KHz Hf, R=20.8k.
C=3.3nF, f=1.8kHz Hf, R=19k.
C=3.3nF, f=1.5kHz f, R=22.7k
When C=47nF=1.3kH, R=184k
C=4.7
At 1kHz, R=24k
C=6.8nF, f=1kHz f, R=16.6k.
When C=68nF, f=900Hz, R=18.4k
C=6.8nF, f=800Hz f, R=20.7k
C=6.8nF, f=700kHz Hf, R=23.6K.
When C=10nF, f=700Hz, R=16.1k
C=10nF, f=600Hz Hf, R=18.8k.
When C=10nF, f=500Hz, R=225k (the accurate data should be 22k)
The good effect is related to the relative accuracy of the and capacitance data, especially the needs to be relatively consistent in size. Choose the largest and smallest capacitance in the parallel connection place, so that the error will be smaller.
ProductSiteLaunchDate : 2025-03-12T01:44:10.774Z
SupplierDeclaredDgHzRegulation : not_applicable
SupplierDeclaredHasProductIdentifierExemption : 1
UnspscCode : 52161547
WarrantyDescription : Manufacturer warranty for 90 day