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Universal Preamplifiers using | NE5532 | 741 - …
https://www.eleccircuit.com/universal-mono-preamplifier-using-ic-lm741/
In the list below, I show using three IC. First, the famous 741 OP-AMP, it is cheap and easy to get at all store near you. Second, the low noise NE5532 preamplifier—Dual Low-Noise High-Speed Audio Operational Amplifier. So good for audio working Third, the LM382 OP-AMP, Low Noise Dual Preamplifier. Universal Preamplifier using 741
THAT Corporation 1510-1512 Audio Preamplifier ICs
http://thatcorp.com/1510-1512_Audio_Preamplifier_ICs.shtml
Industry Audio Preamplifier Comparison THAT 1510 and 1512 features and specifications compared to competing products from other manufacturers. 1510/1512 Demo Board - The THAT 1510/1512 Demonstration System (US$100) allows an engineer to test the performance of a THAT 1510 or 1512 IC quickly and easily. The 1510/1512 Demo Board is self-contained circuit …
Low-Noise Differential Audio Preamplifier IC - THAT Corp
http://thatcorp.com/1570_Low-Noise_Differential_Audio_Preamplifier_ICs.shtml
Low-Noise Differential Audio Preamplifiers. DESCRIPTION. The THAT1570 is a versatile, high performance current-feedback amplifier suitable for differential microphone preamp and bus summing applications. The IC comes in a small QFN package, which saves PCB space over discrete and other integrated solutions.
Simple Audio Preamplifiers - CircuitLib
https://circuitlib.com/index.php/projects/product/82-simple-audio-preamplifiers/category_pathway-29
The circuit schematic for the first audio preamplifier is presented in fig 1. The preamplifier uses only two NPN transistors. Both transistors are BC172. You may also use BC547 instead, or another equivalent type as well. Figure 1. The first simple preamplifier circuit The technical features of first preamplifier are summarized as follows:
5 Simple Preamplifier Circuits Explained - Homemade ...
https://www.homemade-circuits.com/small-amplifier-circuit/
Since the IC provides a dual opamp package two preamps could be created for stereo application. The output from this preamp can be expected to be very good. Parts List R1, R2 = see the below given table. R3, R4 = 100K 1/2 watt 5% C1, C2 =100nF polyester C3 to C10 = see table C11 to C13 = 10uF/25V IC1 = LM382 4) Balanced Preamp
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