Magnetic Phono Cartridges Transistor RIAA Preamp

The following two-transistor circuit is a pre-amplifier circuit for magnetic phono cartridge, which is characterized by its frequency response defined by RIAA standard for phono recording. This pre amp circuit  has gain around 40 dB (midband) at 1 kHz. Here is the schematic diagram of the circuit:

[Circuit’s schematic diagram source: seekic.com]