A microphone preamplifier with excellent dynamic range and low noise specs common to the 312 series. Equipped with a new gain structure using a low-gain Jensen transformer, and can handle loud input.
■ Main features
・ Production using Avedis1122 operational amplifier
・ Equipped with Jensen input / output transformer
・ A remote power supply with a 4-foot cable that has four times the current required by the preamplifier for optimal sound quality.
・ Switch has a long-life gold contacts.
・ XLR connector on the back for microphone input and output and front phone jack for instrument input.
・ High impedance DI for guitar and synthesizer
・ Separate front panel switch for phantom power.
Number of channels: 1
Frequency response: 5Hz-75kHz (-3dB)
Equipped with phantom power
DI input impedance: 250kΩ
Output impedance: 75Ω
Common mode rejection ratio: 110dB / 60Hz
Input noise: -120 dBu Unweighted 300kHz Bandwidth
Maximum output level: +27.1 dBu @ 600Ω
Dimensions: 1.5W x 5.5L x 6D (500 series module size)
* The 500 series chassis is required & sold separately.
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