3050 - 25W Mono Hi-Fi Amplifier Module (LM1875)

3050 - 25W Hi-Fi Audio Amplifier Module LM1875Circuit uses a high fidelity LM1875 amplifier IC and delivers up to 25W RMS into 8 Ohms @ 1% THD. S/N ratio >100dB. This little board produces quite outstanding results given it's simplicity and price.

For full technical details please click on the User Manual and LM1875 links below.

The IC has short circuit and thermal overload protection. 2 x On-board 2A protection fuses. Solder pad connections. Heatsink, power supply and cables not provided.

Technical Specifications
Supply Voltage ± 25V dual supply (see kit 3114)
Power Supply CFS005 or kit 3114 with a suitable mains transformer
Current Consumption 70mA standby, 4 Amps max.
Output Type Up to 30W into 8 Ohms
25W RMS, 8 ohm load, ± 25V supply
Output impedance 4 - 8 Ohms
S/N ratio > 100 dB
THD < 0.15% @ 1kHz, 20W
Freq. response ~ 15 Hz to 50 kHz, –3 dB
Open Loop Gain  90 dB typical
Board Dimensions 51x53mm
Board Connections Solder pads
Product Formats SELF-ASSEMBLY Electronic Kit (KT Soldering Required) or
PRE-ASSEMBLED Electronic Module (AS) more
Documentation View PDF FileUser Manual
View PDF FileLM1875 Data Sheet
View PDF FileAmplifier Power Supply General Advice
Product
Code
Description Price each exc. VAT (GB Pounds £) Including VAT each
1-4 off
Quantity
1-4 off 5-19 off
3050KT
Soldering Required
25W Hi-Fi Audio Amplifier Module Kit £11.63 £9.88 GB£13.95
AS3050 ASSEMBLED 25W Hi-Fi Audio Amplifier Module £15.79 £13.42 GB£18.95

Please see our Audio Amplifiers page for more products like this

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