Drawmer 1962 Digital Vacuum Tube Pre-Amplifier - Manual (Page 25)

1962 OPERATORS’ MANUAL 21
TECHNICAL SPECIFICATIONS
(All measurements taken at 0dBu operating level)
INPUT IMPEDANCES LINE 20KΩ
MIC 150Ω to 600Ω
AUX 470KΩ
MIC INPUT NOISE -128.5dB (@ +60dB gain)
MAXIMUM INPUT LEVEL +28dBu
OUTPUT IMPEDANCE 50Ω
MAXIMUM OUTPUT LEVEL +22dBu (balanced)
ANALOG BANDWIDTH 15Hz to 22KHz -1dB
ANALOGUE DISTORTION (THD +n) ref. 1KHz Percentage
Mic and Line input at unity gain 0.01%
Line Input at 0dBu 0.025%
Mic Input at 0dBu < 0.01%
D62 specification with LINE input @ 0dBu, (all effects disabled):
CROSSTALK
- 105dB (@ +0dB gain)
THD+n @ 1Khz -2dB (soft clip) - 70dB (@ +0dB gain)
THD+n @ 1Khz -20dB - 93dB (@ +0dB gain)
THD+n @ 1Khz -60dB -120dB (@ +0dB gain)
NOISE FLOOR -123dB (@ +0dB gain)
POWER REQUIREMENTS 100-120Volt or 195-250Volt at 50-60Hz,
38 Watts
FUSE RATING 250mA for 230Volt, 500mA for 115Volt
CONFORMING TO IEC 127-2
FUSE TYPE 20mm x 5mm, Class 3 Slo-Blo, 250Volt working
CASE SIZE 482mm (w) x 88mm (h) x 250mm (d)
WEIGHT (incl packaging) 6.5 Kgs (excluding D62-T/-A)
8 Kgs (including D62-T/-A)