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SSL XLogic Alpha Channel
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SSL XLogic Alpha Channel

Product Code: 320030

SSL analogue channel processing for your audio workstation...

£969.00 (INC VAT)
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  • Description
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SSL analogue channel processing for your audio workstation
Pro mic preamp with line and instrument level switching
Studio class EQ, Filter and Limiter sections
Variable Harmonic Drive circuit - a time machine of distortion characteristics
Analogue or digital outputs direct to your DAW

With the classic combination of a mic preamp, filter, EQ and dynamics, the XLogic Alpha Channel brings SSL’s sonic legacy bang up to date in an analogue channel strip designed to provide the perfect front end to your digital audio workstation.

With all the features needed to record great vocal or instrument tracks, the Alpha Channel offers a studio class mic pre and processing based on SSL’s years of experience in designing the world’s leading analogue recording consoles. A huge proportion of the music you know and love was recorded on SSL, renowned for the superior audio qualities you’ve heard on countless hit records. That elusive sonic ingredient is here in the Alpha Channel.

Key Features
* Professional ultra clean mic preamp with line level & Hi Z instrument input switches
* ‘Variable Harmonic Drive’ circuit; a Time Machine of distortion characteristics
* High Pass Filter with selectable 40Hz, 80Hz or 120Hz cutoff frequency
* Built in professional quality Analogue to Digital conversion - as standard
* Auto sample rate sensing and self adjustment
* Three band SSL parametric EQ with mid freq Q control and dual LF curves
* Intelligent auto compression that maximises recording headroom and avoids DAC clipping

Physical *
Depth 230mm / 9" casing only
Height 44.5mm / 1.75" (1 RU)
Width 438mm / 17.25" casing only
  482mm / 19" inc’ rack ears
Weight 3.0kg / 7 pounds
Power < 20 Watts
Boxed size 320mm x 550mm x 80mm
  12.75" x 21.75" x 3.25"
Boxed weight 3.5kg / 8 pounds
 
* All values are approximate

 

Environmental
Temperature Operating: +5 to 30 deg. C
  Non-operating: –20 to 50 deg. C
  Max. gradient: 15 deg. C/hour
Relative Operating: 20 to 80 %
Humidity Non-operating: 5 to 90 %
  Max. wet bulb: 29 deg. C (non-condensing)
Vibration Operating: < 0.2 G (3 – 100Hz)
  Non-operating, power off: < 0.4 G (3 – 100Hz)
Shock Operating: < 2 G (10ms max.)
  Non-operating: < 10 G (10ms max.)
Altitude Operating: 0 to 3000m (above sea level)
  Non-operating: 0 to 12000m

 

Connections
Power IEC320 3-pin connector, 100 – 240 Vac, 50 – 60 Hz
Analogue I/O
Microphone Balanced, 3-pin XLR-F, Zin = 1kO (10kO for Hi Z)
Instrument Un-balanced, ¼" Mono Jack, Zin = 1MO
Output Balanced, ¼" Stereo Jack, Zo = 40O
Insert Send Balanced, ¼" Stereo Jack, Zo = 40O
Insert Return Balanced, ¼" Stereo Jack, Zin = 10kO
Link (2 of) RCA phono, limiter sidechain control voltage (dc.)
Digital I/O
SPDIF In RCA phono, 1V pk-pk, Zin = 75O, SPDIF format.
  The ADC will lock to this signal if present.
SPDIF Out RCA phono, 1V pk-pk, Zo = 75O, SPDIF 24bit format.
  Synchronised to SPDIF In, else free-runs at 44.1kHz.

 

Measured Performance
Mic Gain To Output: 20dB min, 76 dB max
Instrument Gain To Output: 26dB min, 82 dB max
Pad Attenuation: 20 dB
Input Impedance (O):
  Mic: 1K / 10K
  Instrument: 1 MEG
Noise Figure
  Equivalent Ein:  
  Mic, Zin = 10R -130.5 dBU
  Mic, Zin =150R -127.5 dBU
Dynamic Range:
  Mic Gain Min: 105 dB unweighted
  Mic Gain Max: 76 dB unweighted
Common Mode Rejection: 70 dB from 50Hz to 10KHz
    with 1Vp-p Common Mode
Max Common Mode In: 5V p-p
Frequency Response
  Mic To Out: +/- 0.2 dB from 10Hz to 70KHz
  -3dB (LF) : 6 Hz
  -3dB (HF) : 250 KHz
Mic Amp Distortion - A Typical Specification
Output Level THD Knob CCW THD Knob CW
+5 dBU 0.03 % 0.1 %
+10 dBU 0.05 % 0.3 %
+15 dBU 0.06 % 0.5 %
+20 dBU 0.09 % 2 %
+24 dBU 0.15 % 5 %
Maximum Analog Output: +24.3 dBU (10K)

 

EQ
LF Section:
  LF Shelf Gain Range: +/- 19 dB
  LF Bell Gain Range: +/- 15 dB
  Shelf Freq Range: 40 - 600 Hz
  Bell Freq Range: 35 - 500 Hz
  Bell Q: 1.4
Mid Section:
  Gain Range: +/- 17 dB
  Freq Range: 300 - 5200 Hz
  Q Range: 0.7 - 1.9
HF Section:
  Shelf Gain Range: +/- 19 dB
  Shelf Freq Range: 1.5KHz - 22 KHz
EQ Dynamic Range: 100 dBU

 

Limiter
Limiter Threshold: - 3 dBFS
Limiter Ratio: 6, over-easy
Limiter Headroom: 12 dB min, 14 dB typ
Attack Time: 50 uSec
Release Time: 200 mSec
Limiting Distortion: 0.5 % max
Non-Limiting Distortion: 0.001 %
 
Insert Point
Operating Level
  Limiter Switch Out: 24 dBU, unity gain to output
  Limiter Switch In: 12 dBU, +12 dB gain to output
Output Impedance (SEND): 150 O
Input Impedance (RETURN): 10 KO

 

ADC
ADC Type: 24 bit, 192 KHz CS5361 ADC
Sampling Rate: locks to user supplied SPDIF IN
  Range: 32 KHz to 108 KHz
  No SPDIF In: Defaults to 44.100 KHz
SPDIF In: 200 mV p-p IN min
  5V p-p IN max
SPDIF Out (Level): 1V p-p
  (Impedance): 60 O
   
ADC Performance Measured From Insert Return:
Dynamic Range, 20KHz measurement bandwidth
  Fs= 32K: 110.5 dB, A-wgt
  Fs= 48K: 110 dB, A-wgt
  Fs= 96K: 109 dB, A-wgt
ADC Distortion, 1KHz test tone
  Level Distortion in 20K meas bw
  -0.5 dBFS 0.0006 %
  -10 dBFS 0.0015 %
  -20 dBFS 0.004 %
  -30 dBFS 0.013 %
  -40 dBFS 0.04 %
ADC Freq Response
  Fs = 48 K: +/- 0.1 dB, 20Hz - 20KHz
  Fs = 96 K: +/- 0.1 dB, 20Hz - 40KHz
 
Miscellaneous
Phantom Power: 47.5V typical
Output Gain Range: +/- 19.5 dB
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