★A console-based preamp that will go down in music history★ The definitive American-made, uncompromising vacuum tube personal outboard gear! The Solo610 is a 1-channel microphone preamp that makes generous use of vacuum tubes.It is portable and very popular among musicians! The tube preamps from the classic 610 console, created by the late Bill Putnam, are now portable. They retain the silky, rich sound that powered countless classic albums, including those by Van Halen and Sinatra, all in one. The gain control is now variable, taking into account the modern recording environment where a variety of microphones are used. The control range has been widened, allowing for more precise control. Its portability means it can be used anywhere, including on a desktop, in a control room, in a recording room, or on stage. It's built to the strictest standards to deliver a sound that's true to its roots. It's handcrafted in the USA at Universal Audio's own facility, using the same exacting manufacturing process as the 610 console. Reasonably priced yet high-end quality. The quality of your personal recordings will be dramatically improved. Key Features: Classic Bill Putnam-designed 610 console preamps and DIs・Vacuum tube sound used on classic albums by Van Halen, Sinatra, and others ・Gain control, level control, and impedance selection ・Portable design for use in a variety of locations, including the studio, desktop, and stage ・DI terminal ・Output level selector switch ・Phantom power (48V) Low-cut filter Polarity reverse switch Heavy-duty steel chassis Handmade in the USA ■Specifications●Input impedance: Microphone Input - Choose from 500 ohms (Lo-Z) or 2k ohms (Hi-Z) DI Input - Selectable output load impedance: 2.2M ohms (Lo-Z) or 47k ohms (Hi-Z) 20 Hz to 20 kHz +/- 1 dB ●Maximum gain: 61 dB ●Vacuum tube: 12AX7 x 1 12AT7 x 1 ●Maximum microphone input level: -12 dBu, 1.0% THD+N ratio ●Maximum instrument input level: +4 dBu, 1.0% THD+N ratio Maximum Gain Mic Input: 55 dB (2k input), 60 dB (500 input) ● Microphone/Instrument Frequency Response: 20 Hz to 20 kHz, +/- 0.1 dB Maximum Gain Instrument Input: 37 dB Dimensions: Height 127mm x Width 146mm x Depth 356mm Weight 4.1kg