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Intro
Specifications
MICROPHONE PREAMPLIFIER:
(measured to balanced DB25 analogue outputs)
| MIC GAIN: | 0 to 70 dB (extra gain stage for more!) |
| SWITCHABLE PAD: | -15 dB (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): | >2k Ω balanced (approx. 2.2k Ω) |
| INPUT IMPEDANCE (Line): | >8k Ω balanced (approx. 8.6k Ω) |
| FREQUENCY RESPONSE: | ±0.5 dB 10Hz 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 | >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 (D.I): | 1Meg Ω unbalanced |
| FREQUENCY RESPONSE: | ±0.5 dB 10Hz to 50kHz |
| THD+N @ 0dBu (1kHz): | <0.01% (-80 dBu) mostly 2nd & 3rd |
| SNR: | >85 dB @ min. gain |
| 1/4” TS JACK: | Tip (Hot) & Sleeve (Shield) |
BALANCED ANALOGUE LINE OUTPUTS:
(ground sensing compensation scheme)
8-CHANNEL DB25:25-Pin Tascam Format
| MAXIMUM OUTPUT LEVEL: | +22 dBu |
| OUTPUT IMPEDANCE: | <200Ω ground sensing <100Ω unbalanced |
A-D CONVERTER:
(measured under AES-17 sans microphone preamplifiers)
| CHIPSET: | Burr-Brown PCM4204 24-bit PCM |
| DIGITAL REFERENCE LEVEL: | Selectable via Rear Panel 0 dBFS = +18 dBu (iD22 Professional) 0 dBFS = +12 dBu (iD14 Prosumer) |
| FREQUENCY RESPONSE: | ±0.1 dB 20Hz to Fs/2 (Nyquist) |
| CROSSTALK: | <-110 dBFS @ 1kHz & <-90 dBFS @ 10kHz |
| THD+N @ -1 dBFS (1kHz): | 0.0015% (-96.5 dB) |
| THD+N @ -6 dBFS (1kHz): | 0.0009% (-101 dB) |
| DYNAMIC RANGE: | 113.5 dB un-weighted 116.0 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 |
| WORDCLOCK INPUT: | 75Ω BNC - switchable 75Ω termination |
POWER SUPPLY:
| LOW NOISE SHIELDED LINEAR PSU FANLESS, QUIET OPERATION: | CUSTOM TRANSFORMERS 35W Maximum Consumption |
| INTERNAL D.C POWER RAILS: | ±15V, +48, +30V & +9V |
| SWITCHABLE MAINS VOLTAGE: | 100, 120, 220 or 230Va.c |
| FUSE: | 200mA (UK) or 315mA (US) Time Delay (T) Slow-Blow Type |
WEIGHT:
4.5 kg
DIMENSIONS:
1RU
482mm x 286.5mm x 44mm
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