AA
elektronik
Sams elektronik d.o.o. • sams@sams.rs • www.sams.rs
12
Distribution amplifiers
I
85
ANALOG AUDIO DISTRIBUTION AMPLIFIERS
• Sams elektr
onik d.o
.o
. • 48 Zivka Da
vido
vica st. • 11050 B
elgr
ade • S
erbia •
• +381 11 3806 253; +381 11 2402 212 • sams@sams.rs • www
.sams.rs •
Series of audio distribution amplifiers have excellent isolation from crosstalk between channels and it has provided
individual amplifiers for each output. The device have installed a transformer at the entrance. Distribution automatically
adjusts for unbalanced output. The device is mounted vertically on a wall.
TECHNICAL SPECIFICATIONS
GENERAL INFORMATION
- Code: ....................................................................007.256
- Weight: ......................................................................3 Kg
- Type: .........................................................2RU rack frame
- Dimensions: ........................................ 2RU x 19” x 100mm
- Delivery includes: ............. device, power corde, user manual
INPUT
- Number: ..........................................................................1
- Connector: ..................................................................XLR
- Impedance: ............................................ > 40KΩ, balanced
OUTPUT
- Number: ........................................................................20
- Connector: ..................................................................XLR
- Impedance: ....................................................600Ω or 66Ω
- Max output level: ..................................+ 24/16dBu (600Ω)
PERFORMANCE
- Gain: ............................................................ -6dB do +6dB
- Frequency response: ................. < ± 0.1dB (20Hz to 20KHz)
- S/N ratio: ....................... > 100dB unity gain 20Hz to 20KHz
- TDH: .............................................. 0.1% at 20Hz to 20KHz
- Inter channel cross talk: ............... > 90dB at 20Hz to 20KHz
ORDERING INFORMATION
Code
Name
Description
007.256 AA-20wt
1CH audio DA (transformer) 1x20
Specifications and designs are subject to change without notice
AA-20wt
1ch analog audio distribution amplifier 1x20
with transformer coupled input, pro series for
wall mount
-
High quality
-
20 outputs
-
Low noise (100dB S/N)
-
Gain range -6dB to +6dB
-
Individual buffer outputs
-
Available in 66Ω or 600Ω output impedance
-
Transformer coupled input
POWER
- Voltage: ................................................. ~230V AC ± 10%
- Power: .......................................................................30W
- Frequency: ................................................................ 50Hz
- Overload protection: .............. front Mounted Circuit Breaker
TEMPERATURE
- Performance: .......................................................... 5-40°C
- Operating: .............................................................. 0-50°C
rear side
front side
BLOCK DIAGRAM
IN
1
2
3
4
5
6
7
8
9
10
LED
Power
GND LIFT
GAIN
CMR
11
12
13
14
15
16
17
18
19
20
OUT
LED
Power
GAIN
CMR
+
-
GND
Optional