PRODUCT DESCRIPTION
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The ASP008 is a compact, 1U rack mount unit featuring eight ultra high quality mic preamplifiers developed from the renowned mic-pre design used in the acclaimed ASP8024 recording console.
The design uses an 8 transistor discrete Class A front end with extended band-width and a noise floor close to the theoretical Johnson limit. Carefully chosen close tolerance components are used to achieve high CMRR at all gain settings and distortion is minimised to less than 0.001% at 20dB gain and +10dBu output. This outstanding technical performance delivers a mic amp with incredible transparency and detail without colouration or other unwanted artefacts.
Each Mic amp also features switchable input impedance, allowing the user to explore the subtle variations in microphone character that are determined by output termination.
All channels include an XLR input, 'soft start' 48V phantom power, switchable input impedance, 25-250Hz hi-pass filter as well as line input selection. Channels 1 and 2 also feature a -20dB attenuator and a high-impedance Instrument/DI input on a front panel mounted jack. LEDs provide indication of signal present and overload.
Two digital output option cards are available - one with ADAT optical interface, the other with AES/EBU and ADAT. Both cards now support sample rates of up to 96kHz over ADAT S/MUX.
CONTROLS
48V Phantom Power ON/OFF with 'soft start' feature to avoid thumps
INST/DI CH 1&2 only. Selects jack instrument input with input impedance > 1MOhm
-20dB 20dB Pad (CH1&2 ONLY)
LINE Selects Line level input with input impedance of 10kOhm
Polarity Polarity invert
Filter Selects 12dB/octave Hi-Pass filter - range 25Hz to 250Hz
PK Indicates signal levels within 4dB of clipping
SIG Indicates signal levels above -25dBu
I/P Z Input impedance select 200/1200/5000 ohms
GAIN MIC/DI 0 to 60dB. LINE -20 to 40dB
Sample Rate Selectable 44.1/48/88.2/96 kHz
Dither Selectable 16/20/24 bit
INTERFACES
MIC Input Electronically balanced XLR with variable input impedance
LINE Input Electronically balanced 25 pin D wired to DA88 standard
INST/DI Input Unbalanced front panel mounted jack
LINE Output Electronically balanced 25 pin D wired to DA88 standard
Digital output Optional 48/96kHz AES, S/PDIF and 48kHz ADAT light-pipe.
Ext Word Clock BNC
PERFORMANCE
Maximum input/output level +21.5dBu
THD Typically better than 0.007% at 1kHz any gain setting
EIN Better than -127.5dB @ 60dB gain/ref 150 Ohms
Frequency Response -0.3dB @10Hz to -3dB @300kHz at unity gain
CMRR Better than 75dB at 1kHz and 60dB gain
Dimensions 480mm x 278mm x 44mm
Weight 4.5Kg
Power consumption 40 watts
