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ASP800 - Detailed Specifications

MICROPHONE PREAMPLIFIER:

(measurement to balanced DB25 analogue outputs)

MIC GAIN: 0 to 70 dB (extra gain stage for more!)
SWITCHABLE PAD: -15dB (all channels front panel switchable)
LINE GAIN: -10 to 60 dB (-25 to 45 dB inc. PAD)
PHANTOM POWER: 48V ±4V @ 10mA/Channel
MIC EIN: <-127.0 dBu
CMRR: >80 dB @ 100Hz to 2kHz
MAXIMUM INPUT LEVEL: +20 dBu (+35 dBu with PAD)
INPUT IMPEDANCE (Mic): >2kΩ Balanced (approx. 2.2kΩ)
INPUT IMPEDANCE (Line): >8kΩ Balanced (approx. 8.6kΩ)
FREQUENCY RESPONSE: ±0.5 dB 20Hz to 100kHz @ min. gain
CROSSTALK: <-90 dBu 10Hz to 10kHz
THD+N @ 0dBu (1kHz): 0.003% (-90.5 dBu) mostly 3rd harmonic
SNR: >90 dB @ min. gain
XLR Combi Female Pin 2  (Hot), Pin 3 (Cold) & Pin 1 (Shield)
1/4" TRS Jack Tip (Hot), Ring (Cold) & Sleeve (Shield)

 

DISCRETE JFET D.I:

(measured via microphone preamplifier circuitry)

D.I GAIN: 0 dB unity gain (0 to 70 dB)
MAXIMUM INPUT LEVEL: +17 dBu
INPUT IMPEDANCE: 1MegΩ Unbalanced
FREQUENCY RESPONSE: ±0.5 dB 10Hz to 50kHz
THD+N @ 0dBu (1kHz): <0.01% (-80 dBu) mostly 2nd and 3rd harmonics
SNR: >85 dB dB @ min. gain
1/4” JACK: TIP (Hot) & SLEEVE (Shield)

 

BALANCED ANALOGUE LINE OUTPUTS:

(ground sensing compensation scheme)

MAXIMUM OUTPUT LEVEL: +22 dBu
OUTPUT IMPEDANCE: <200 Ω Ground Sensing
<100 Ω Unbalanced
8-CHANNEL DB25 25-Pin Tascam Format

 

ANALOGUE TO DIGITAL CONVERTER (ADC 1 & 2):

(measured sans microphone preamplifier under AES-17)

CHPSET: Burr-Brown PCM4204 24-bit PCM
DIGITAL REFERENCE LEVEL: Selectable via Rear Panel
0 dBFS = +18dBu (iD22 Professional)
0 dBFS = +12dBu (iD14 Prosumer)
FREQUENCY RESPONSE: ±0.1 dB 20Hz to Fs/2 (Nyquist)
CROSSTALK: -110 dBu @ 1kHz & <-90 dBFS @ 10kHz
THD+N @ -1dBFS (1kHz): <0.0015% (-96.5 dB)
THD+N @ -6dBFS (1kHz): <0.0009% (-101 dB)
DYNAMIC RANGE: 113.5 dB un-weighted
116 dB A-weighted
PEAK LED LINEUP: -2 dBFS(moves with reference level)
SIGNAL LED LINEUP: -38 dBFS (moves with reference level)

 

DIGITAL OUTPUT:

ADAT 8 CHANNEL SMUX: 44.1 to 96.0 kHz
CLOCK: Internal Crystal or External Source
WORLD CLOCK INPUT: 75Ω BNC - switchable 75Ω termination

 

POWER SUPPLY:

LOW NOISE SHIELDED LINEAR PSU: CUSTOM TRANSFORMERS
FANLESS, QUIET OPERATION: 35W Maximum Consumption
INTERNAL D.C POWER RAILS: ±15V, +48V, +30V & 9V
SWITCHABLE MAINS VOLTAGE: 100, 120, 220 OR 230Va.c
FUSE: 200mA (UK) or 315mA (US)
Time Delay (T) Slow-Blow Type

 

MISC:

WEIGHT: 4.5 kg
DIMENSIONS: 1RU
482mm x 286.5mm x 44mm

 

DOWNLOADABLE VERSION: 

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