Classe Audio Delta PRE Owner's Manual page 44

Headphone
44
Continued
n Crosstalk
(one channel undriven - BAL/SE)
n Channel Matching (Left to Right)
DAC
(Digital inputs)
n Frequency response
(-3dB, sweep Fs=192kHz)
n Harmonic Distortion
(measurement bandwidth: 90kHz)
n Dynamic range
(-60dBFS, Fs=44.1kHz, A-wtd)
n Signal-to-noise ratio
(A-wtd, 22kHz BW, ref 4Vrms)
n Jitter
(Coaxial in, Fs=44.1kHz)
Phono
(Measured 0dB gain, Bypass Mode, XLR Phono)
n RIAA deviation (20Hz - 20kHz)
n Load options for MM type (47k II)
n Load options for MC - low output
n Load options for MC - high output
n MM, MC - high output
Gain (1kHz, 20Ω source impedance)
(22kHz BW, ref 5mVrms)
SNR
Max input level
n MC - low output
Gain (1kHz, 20Ω source impedance, 1kΩ load)
(22kHz BW, ref 0.5mVrms)
SNR
Max input level
n Power
(nominal input, 0dB gain, 32Ω load)
n Output impedance
(overload ref 5mVrms)
(overload ref 0.5Vrms,
1kΩ load
-143dB at 100Hz
-140dB at 1kHz
-124dB at 10kHz
+/- 0.03dB
5Hz - 90kHz
<0.0015% (20Hz to 20kHz)
124dB
125dB
<40ps
< 0.2dB
50pF, 100pF, 150pF,
200pF, 250pF, 300pF,
350pF, 400pF, 450pF
7.5Ω, 10Ω, 33Ω, 50Ω,
82Ω, 100Ω, 330Ω, 1kΩ
47kΩ
41.5dB
86dB (93dB A-wtd)
11dB (20Hz)
23dB (1 kHz)
34dB (10kHz)
60dB
68dB (74dB A-wtd)
) 12dB (20Hz)
31dB (1 kHz)
52dB (10kHz)
540mW
6.8Ω