Certificate of conformity
We:
Adastra Electronics Ltd.
, Containerbase, Barton Dock Road, Manchester, M41 7BQ
Declare that the product:
Adastra 900 series amplifier
Has been manufactured in conformity with the following standards and specifications:-
• Low Voltage Directive:
EN 60065:1993, (BS.EN 60065:1994)
• E.M.C Directive:
Emission:
EN 55103-1:1996, (BS.EN 55103-1:1997)
Immunity:
EN 50104-2:1996, (BS.EN 55103-2:1997)
and complies with the requirements of:-
• Low Voltage Directive:
Reference 73/23/EEC as amended by Directive 93/68/EEC
• E.M.C Directive:
Reference 89/336/EEC as amended by directive 92/31/EEC
Issued by: Adastra Electronics Ltd., Containerbase, Barton Dock Road, Manchester, M41 7BQ on 25/9/2000
Authorised Signatory:
Phil Williams, Managing Director
Specifications for the Adastra 900 series of amplifiers
Output:
Rated
30W
60W
120W
120W
10% THD
40W
70W
160W
160W
Output regulation
< 2dB, no load to full load
< 2dB, no load to full load
< 2dB, no load to full load
< 2dB, no load to full load
Speaker output
Balanced floating 8
Ω
Balanced floating 8
Ω
Balanced floating 8
Ω
Balanced floating 8
Ω
100V
333
Ω
166
Ω
83
Ω
83
Ω
Line output (stereo)
600
Ω
, 1V (0dB)
600
Ω
, 1V (0dB)
600
Ω
, 1V (0dB)
600
Ω
, 1V (0dB)
Slave output (mono)
600
Ω
, 1V (0dB)
600
Ω
, 1V (0dB)
600
Ω
, 1V (0dB)
600
Ω
, 1V (0dB)
Input sensitivity
Mic1
1.5mV (-56.4dBV), balanced
1.5mV (-56.4dBV), balanced
1.5mV (-56.4dBV), balanced
-
Mic2
1.5mV (-56.4dBV), unbalanced
1.5mV (-56.4dBV), unbalanced
1.5mV (-56.4dBV), unbalanced
-
Mic3
-
1.5mV (-56.4dBV), unbalanced
1.5mV (-56.4dBV), unbalanced
-
Aux
-
300mV (-10.4dBV), unbalanced
300mV (-10.4dBV), unbalanced
-
Line
300mV (-10.4dBV), unbalanced
300mV (-10.4dBV), unbalanced
300mV (-10.4dBV), unbalanced
-
Input impedance
Mic
5k
Ω
5k
Ω
5k
Ω
-
Aux/line
10k
Ω
10k
Ω
10k
Ω
-
Input Connectors
Mic1
XLR (1=Gnd, 2=+IN, 3=-IN)
XLR (1=Gnd, 2=+IN, 3=-IN)
XLR (1=Gnd, 2=+IN, 3=-IN)
-
Mic2,3
1
/
4
" (6.3mm) jack socket
1
/
4
" (6.3mm) jack socket
1
/
4
" (6.3mm) jack socket
-
Aux
RCA (phono) socket
RCA (phono) socket
RCA (phono) socket
RCA (phono) socket
Frequency Response
100Hz - 12kHz ±3dB
100Hz - 12kHz ±3dB
100Hz - 12kHz ±3dB
100Hz - 12kHz ±3dB
Disctortion
THD+N = < 2% @ 1KHz, on rated power
Signal to Noise Ratio
All volume controls ccw: 92dB Master max & all input vol. Min: 75dB Mic 1,2,3: 70dB Aux & Line: 75dB
Tone control
Bass: +0dB, -10dB @ 100Hz Treble: +0dB, -10dB @ 10kHz
Protection circuits
Current limiter, thermal protection AC/DC fuses
Muting function
Mic 1 overides other inputs when VOX switch is ON. (-40dB attenuation)
Power
AC Mains
230Vac, 50Hz, 100W
230Vac, 50Hz, 200W
230Vac, 50Hz, 300W
230Vac, 50Hz, 300W
Battery
12Vdc (5A)
12Vdc (8A)
24Vdc (8A)
24Vdc (8A)
DC Performance
Volt
13.2V
13.2V
26.4V
26.4V
Current
4.50A
5.75A
6.80A
6.80A
P out
30W
42W
92W
92W
THD+N
<2%
<2%
<2%
<2%
Dims (W x H x D)
425 x 88 x 230mm
425 x 88 x 230mm
425 x 88 x 230mm
425 x 88 x 230mm
Weight
5kg
7.5kg
10kg
10kg
SERIES 900
952.966
952.969
952.972
952.975
