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CDi Series Power Amplifiers
Operation Manual
page 19
Frequency Response
(at 1 watt into 4 ohms, 20Hz - 20 kHz)
+0/–1 dB
Signal to Noise Ratio
(below rated 8-ohm power at 1 kHz, A-weighted)
CDi 1K, 2K, 4K: 100 dB
CDi 6K: 103 dB
Damping Factor (8 ohm): 20 Hz to 400 Hz
> 500
Input Stage
Input is electronically balanced and employs
pre cision 1% resistors
AC Line Current
CDi 1000: 6.8A, CDi 2000: 8.3A, CDi 4000: 10.5A;
at idle draws no more than 38 watts.
CDi 6000: 15.3A; at idle draws no more than
180 watts.
Crosstalk (below rated power)
20 Hz to 1 kHz > 70 dB
Input Impedance (nominal) 20 kilohms balanced, 10 kilohms unbalanced
Load impedance (note: safe with all types of
loads)
Dual
Bridge mono
2–8 ohms
4–16 ohms
Voltage Gain (at 1 kHz, 8 ohm rated output) CDi 1000: 30.5 dB, CDi 2000: 32.9 dB, CDi 4000: 34.2 dB,
CDi 6000: 37.1 dB.
Sensitivity (at 8 ohm rated output) 1.4V
Maximum Input Signal +22 dBu typical
Operating Temperature 0° C to 40° C at 95% relative humidity (non-condensing)
AC Line Voltage and Frequency Configura tions
Available (± 10%)
100V, 120V, 220-240V 50/60 Hz
Ventilation
Flow-through ventilation from front to back
Cooling
Heat sinks and proportional-speed fan
Dimensions: Width, Height, Depth
(behind mounting surface)
EIA Standard 19” W (EIA RS-310-B)
x 3.5” (8.9 cm) H x 12.25” (31.1cm) D
CDi 6000 is 16.2 in. (41.15 cm) D
Net Weight, Shipping Weight CDi 1K. 2K, 4K: 19 lb (8.6 kg)
CDi 6K: 24 lb (10.9 kg)
Per channel, both channels driven
2 ohm Dual (per channel)
4 ohm Dual (per channel)
8 ohm Dual (per channel)
4 ohm Bridge-Mono
70V Dual (per channel)
140V Bridge-Mono
With 0.5% THD
*With 1% THD
700W*
500W
275W
1,400W*
500W
1000W
1,000W*
800W
475W
2,000W*
800W
1600W
1,600W*
1,200W
650W
3,200W*
1000W
2000W
3,000W*
2,100W
1,200W
6,000W*
2,500W
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6 Specifications