Focusrite TrakMaster Pro microphone preamplifier

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		$73.15
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Focusrite TrakMaster Pro microphone preamplifier Picture(s) and Description:

Focusrite TrakMaster Pro Channel Strip Professional microphone preamplifier/compressor in good condition. Ideal for a "one-man-band" home studio, which is basically what I used it for. Fully boxed, with all cables See: http://www.focusrite.com/products/platinum/trakmaster_pro/ for more info Specifications Mic Input Response * Gain = +13dB to +60dB * Input impedance = 2.5k Ohm (150 Ohm in Lo Z mode) * EIN = 126dB @ 60dB gain with 150 Ohm termination & 22Hz/22kHz filter * THD+N @ min gain (+13dB) = 0.001% with 0dBu input & 22Hz/22kHz filter * THD+N @ max gain (+60dB) = 0.009% with -38dBu input & 22Hz/22kHz filter * THD+N @ max input (+8dBu) = 0.001% with 22Hz/22kHz filter * Frequency response @ min gain (+13dB) with -13dBu input = -3dB @ 10Hz & -2.3dB @ 200kHz * Frequency response @ max gain (+60dB) with -60dBu input = -3dB @ 13Hz & -3dB @ 78kHz * CMRR @ max gain (+60dB) = 80dB Line Input Response * Gain = -10dB to +36dB * Input impedance = 24k Ohm * Noise @ unity gain (0dB) = -88dBu with 22Hz/22kHz filter * S/N ratio relative to max headroom (+36dBu) = 124dB * S/N ratio relative to 0dBFSs (+22dBu) = 110dB * THD+N @ unity gain (0dB) = 0.001% with 0dBFS (+22dBu) input and 22Hz/22kHz filter * Frequency response @ unity gain (0dB) = -2.8dB @ 10Hz & -3dB @ 200kHz Instrument Input Response * Gain = +13dB to +60dB * Input impedance = 1M Ohm * Noise @ min gain (+13dB) = -87dBu with 22Hz/22kHz filter * Noise @ max gain (+60dB) = -45dBu with 22Hz/22kHz filter * THD+N @ min gain (+13dB) = 0.004% with 0dBu input & 22Hz/22kHz filter * Frequency response @ min gain (+13dB) with -13dBu input = -3dB @ 10Hz & -2.3dB @ 200kHz Level Meter * Peak Level Moving Coil Meter * Input & Output: -24dBFS to +2dBFS (-2dBu to +24dBu), +22dBu = 0dBFS * Gain Change: 0dB to 24dB Hi Pass Filter * Roll-off = 12dB/octave 2-pole filter * Cutoff frequency = -3dB @ 120Hz, -6dB @ 85Hz, -12dB @ 56Hz Mid Scoop EQ * EQ shape = peak * Centre frequency = variable between 120Hz and 2kHz * Cut (DEEP switch out) = -5dB * Cut (DEEP switch in) = -10dB * Q (DEEP switch out) = 0.7 * Q (DEEP switch in) = 2 Compressor * Threshold range (SQUASH switch out) = -54dBFS (-32dBu) to -18dBFS (+4dBu) * Threshold range (SQUASH switch in) = -37dBFS (-15dBu) to -4dBFS (+18dBu) * Compressor ratio (SQUASH switch out) = 2.5:1 * Compressor ratio (SQUASH switch in) = 35:1 * Noise = -90dBu measured with a 22Hz/22kHz bandpass filter * Make-up gain = 0 to +30dB ADC Performance * Sample Frequency = 44.1kHz, 48kHz, 88.2kHz & 96kHz * Bit Depth = 24bit * Maximum analogue input level = +22dBu (0dBfs) * Dynamic Range = 109dB 'A' Weighted EXT WORDCLOCK INPUT * BNC connector ADC EXT IN * Balanced 1/4" TRS jack socket input (+4dBu) MONITOR IN * 2 x balanced 1/4" TRS jack socket inputs (+4dBu) MONITOR OUT * 2 x balanced 1/4" TRS jack socket outputs (+4dBu) LINE OUT * Balanced 1/4" TRS jack socket output (+4dBu) * Unbalanced 1/4" TRS jack socket output (-10dBV)