Radial Engineering SW8 MK2 User Manual - page 11
Radial Engineering Ltd.
SW8
™
MK2 User Guide
9
Input-A & B
1/4” phone: ..................TRS balanced +4dB / -10dB
D-Sub: .........................DB25 balanced +4dB / -10dB
Input impedance: ........140K ohms typical (without Global PAD)
10k ohms typical (with Global PAD)
Direct Output
Type: ............................Passive balanced signal path
Switching Time: ...........3ms maximum @ 20°C
XLR Output
Frequency response: ...20Hz to 20kHz +/- 2.5dB
THD: ............................0.01 % from 20Hz to 20kHz
Output impedance: ......600 ohms
Output: .........................-50dB (mic level) balanced (pin-2 hot)
PAD: ............................-20dB ( Global - all channels)
Foot-SW
1/4” phone: ..................Contact closure to ground
Contact Relay
1/4” phone: ..................5-24 VDC relay circuit
Dimensions: .................19” x 6.5” x 1.75” (1RU)
482.6mm x 165.1mm x 44.45mm
Weight: ........................7.2 lbs. (3.26 kg.)
Power supply: ..............Output 15 VDC @ 400 mA
BLOCK DIAGRAM
D-Sub OUTPUT
XLR OUTPUT
XLR
MUTE
ISO
PAD
BACKUP-B
¼” TRS INPUTS
PRIMARY-A
¼” TRS INPUTS
BACKUP-B
D-Sub INPUTS
PRIMARY-A
D-Sub INPUTS
A/B
SWITCHING
CONTROL
SPECIFICATIONS
FEMALE DB-25 PIN-OUT (PANEL VIEW)
MALE DB-25 PIN-OUT (CABLE VIEW)
XLR OUTPUTS
¼” TRS INPUTS
1
-
+
G
-
+
G
2
3
-
+
G
-
+
G
4
5
-
+
G
-
+
G
6
7
-
+
G
-
+
G
8
8
13
1
2
3
1
2
3
Positive (
+
)
Negative (
-
)
Ground
Positive (
+
)
Negative (
-
)
Ground
1
-
+
G
-
+
G
2
3
-
+
G
-
+
G
4
5
-
+
G
-
+
G
6
7
-
+
G
-
+
G
8
13
American standard SAE
lock-down screws.
!