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 |
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