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Dizengoff Audio DA2 Microphone Preamp 麦克风前置放大器
Features:
Next-gen 2U composite copper/polymer enclosure with aluminum faceplate
IEC power inlet
XLR input and output
DI input
0-52dB gain
An alog VU meter
20dB pad
+48v phantom power
phase reverse
Specs:
Frequency response 10Hz-50kHz
THD+N at 1Khz: 1%,+4dBU, 10-24kHz bandwidth
S/N -82dBA at maximum (+52dB) gain, 10-24kHz bandwidth
Meet the Dizengoff Audio DA2. It’s a tribute to the venerable RCA BA2C tube preamp. RCA’s BA2C found wide use in film, broadcast, and recording during the 1950’s. I like to think of it as the “little brother” to the RCA OP6 because they use the same tube.
The DA2 has wonderful headroom, and it packs a nice low-mid wallop. The tone is smooth, warm, and sort of heavy–just what you’d expect from an American tube design of this era.
Signal transformers are wound right here in Chicago. The DA2 uses an amorphous Metglas input and large 5/8ths inch stack lo-nickel (45% nickel) output transformer for excellent fidelity and sizable low end. The transformers are based on early Peerless designs, and their frequency response is flat from 10Hz to 50kHz.