Technical specifications – Drawmer 1961 Vacuum Tube Equaliser User Manual
Page 13

1961 OPERATORS’ MANUAL
11
TECHNICAL SPECIFICATIONS
(All measurements taken at +4dBu operating level)
INPUT IMPEDANCES
XLR
20KÙ
INSERT
47KÙ
MAXIMUM INPUT LEVEL
+17dB (+21dBu)
OUTPUT IMPEDANCES
XLR
50 Ù
INSERT
200 Ù
FREQUENCY RESPONSE
<22Hz to 42KHz -1dB
CROSSTALK
<-80dB @ 10KHz
<-75dB @ 20KHz
INPUT CMR
Better than 40dB (20Hz to 10KHz)
OUTPUT BALANCE
Better than 40dB (20Hz to 10KHz)
NOISE AT UNITY GAIN with flat EQ response switched in circuit
W ideband
22Hz - 22KHz
CCIR ARM
IEC A
Q-Pk CCIR
AV
-87dB
-94dB
-96dB
-97dB
-85dB
RMS
-85dB
-92dB
-95dB
DISTORTION (THD & Noise)
@ 1KHz
XLR Input with BYPASS selected
< 0.1%
XLR Input with NORMAL selected
< 0.3%
POWER REQUIRED
115 Volt or 230 Volt AC at 50-60Hz
28 W atts
FUSE RATING
250mA for 230 Volt,
500mA for 115 Volt
CONFORMING TO IEC 127-2
FUSE TYPE
20mm x 5mm, Class 3, Time delay, 250 Volt working
CASE SIZE
482mm (w) x 88mm (h) x 250mm (d)
WEIGHT
6.1 Kgs