Classic Putnam 610 console mic preamplifier and DI
Legendary all-tube sound, at a project studio price
Gain, Level, and Impedance selection for maximum tonal variety
Portable design for studio, desktop or stage
Rugged construction-steel chassis
DI features include Thru and Mic/Line level output
Mic Input - Selectable 450 ohms (Lo-Z) or 1.6 kilohms (Hi-Z)
DI Input - Selectable 2.2 megohms (Lo-Z) or 50 kilohms (Hi-Z)
Output Load Impedance
20 Hz to 20 kHz +/- 1 dB
(1) 12AX7, (1) 12AT7
Maximum Mic 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 (1.6K ohm input), 60 dB (450 ohm input)
Mic/Instrument In Frequency Response
20 Hz to 20 kHz, +/- 0.1 dB
Maximum Gain Instrument Input
W: 5 3/4"
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You know, the UA Solo 610 is pretty good at this. Probably better than the ones you mentioned and I believe I got mine around $500.
The Universal Audio Solo/610 is a standalone mic pre-amp with handle, not the usual rack mounted type. It's about the size of two longish bricks stacked one atop the other, a form factor roughly used by a few other well known mono-preamps or DIs.
'Based on' the original Bill Putnam...
I have had the Solo 610 since mid-2009 and I can emphatically say it is a fun pre to use. Fun because there are so many different sounds to be had with this unit. With different Gain and Level combinations, you can easily go from “big and clean” to “big and fuzzy”, but you should...
This is my go to pre for anything harsh that needs to be softened. I find that this preamp handles shrill signals in a very pleasing way,making them much more usuable and not as ear piercing. It is useful on thin sounding vocals and harsh guitars.
On inside kick/snare/toms I found it to soften...