Technical specifications – Drawmer 1969 Vacuum Tube Compressor Pre-Amplifier User Manual
Page 12
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1969 OPERATORS’ MANUAL
10
TECHNICAL SPECIFICATIONS
(All measurements taken at +4dBu operating level)
INPUT IMPEDANCES
LINE
20KÙ
MIC
150Ù to 600Ù
AUX
2M2Ù
MAXIMUM INPUT LEVEL
+20dBu
OUTPUT IMPEDANCE
50 Ù
MAXIMUM OUTPUT LEVEL
+22dBm (balanced)
BANDWIDTH
<10Hz to 22KHz -1dB
UNITY GAIN NOISE
BYPASS
!95dB
LINE
!85dB
MIC (E.I.N)
!134.5dB shorted
!130.5dB @ 150Ù
!129.8dB @ 200Ù
CROSSTALK (All Channels)
Better than 80dB
DISTORTION (THD & Noise)
1KHz
Line Input with BYPASS selected
< 0.01%
Line Input with NORMAL selected
< 0.35%
POWER REQUIREMENTS
230Volt or 115Volt at 50-60Hz,38 W atts
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)
6.0 Kgs
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