USER MANUAL
i - S E R I E S
i - S E R I E S
a d v a n c E d a m p l I f I E R S
P.21
6 SPECIFICA
TION
Frequency response
@ 4
Ω
load with 120 W ouptut power
10 Hz – 20 kHz: ± 0,175 dB
THD+N over frequency
@ 4
Ω
load with 120 W output power
20 Hz – 10 kHz: < 0,02 %
Damping factor
8
Ω
load, 1 kHz and below
> 400
Input impedance
29 k
Ω
balanced
Amplifier gain
32 dB default (adjustable through DSP)
Maximum analogue differential input level
+22,2 dBu / 10 V
RMS
/ 14,2 V
Peak
Level attenuation
Done through DSP in 0,25-dB-steps
Minimum loudspeaker load impedance
Lower values are safe, but out of specification. No performance guarantees
can be given when driving lower impedances than specified.
Z
min
= 2
Ω
for Dual-Channel operation
Z
min
= 4
Ω
for Mono Bridge operation
Protection circuits
Inrush-current limitation, mains surge overvoltage protection, temperature monitoring of heatsinks,
output DC protection, temperature dependent SOA protection, mains fuse protection, output cur-
rent limitation, thermal limitation
Analogue limiters (HW)
Clip / Underimpendance Limiter, FuseProtect Limiter
Cooling
Two temperature dependent speed-controlled axial fans
LED indicators
LEDs for signal / protect and clip
Input connectors
Two 3-pin XLR female analogue input connectors, pin 2 = hot (inphase)
Two 3-pin XLR male passive loop through connectors
One 3-pin XLR female AES (digital) input connector
One Ethernet connector RJ45
Power output connectors
One 4-pole SPEAKON
®
connector for each output channel (bi-amping possilbe)
Modes of operation
Dual channel (Stereo), mono bridge
Input sources
Analogue, AES
A/D – D/A converters
24 bit / 96 kHz
We reserve the right to make technical alterations without prior notice.