Description
The Soundweb London Analog Input Card is designed to populate any of the four card slots on Soundweb London BLU-800, BLU-805, BLU-806, BLU-320, BLU-325, BLU-326, BLU-160, BLU-120, BLU-80, BLU-32 and BLU-16 devices. This analog card enables Soundweb London devices to receive microphone / line level signals.
The Soundweb London Analog Input Card offers Phantom Power, configurable per channel and software controlled analog gain in 6dB steps from 0dB to 48dB.
The Analog Input Card has two Combicon connectors which are used as follows:
Connector 1
- Balanced / Unbalanced Audio, Channel 1 - Mic/Line
- Balanced / Unbalanced Audio, Channel 2 - Mic/Line
Connector 2
- Balanced / Unbalanced Audio, Channel 3 - Mic/Line
- Balanced / Unbalanced Audio, Channel 4 - Mic/Line
Specifications
Connector 1 [Mic/Line Combicon]
- Signal 4 3
- Pin [S + -] [S + -]
Connector 2 [Mic/Line Combicon]
- Signal 2 1
- Pin [S + -] [S + -]
Balanced
- Hot: to +
- Cold: to –
- Shield: to S
Unbalanced
- Hot: to +
- Link to Shield: to –
- Shield: to S
Technical Specifications
Analog Inputs: Up to 4 electronically balanced on Phoenix/Combicon removable screw connectors
Mic/Line Inputs: Nominal gain 0dB, electronically switchable up to +48dB,in +6dB steps
Input Impedance: 3.5kΩ
Maximum Input Level: +20dBu with 0dB input gain,+8dBu with 12dB gain
CMRR: >75dB at 1KHz
Input Noise (E.I.N.): <-128dBu typical with 150Ω source
Phantom Power: 48V nominal, selectable per input
A/D Latency (Rev. A):* 41/Fs [0.85ms@48k, 0.43ms@96k]
A/D Latency (Rev. B): 12/Fs [0.25ms@48k, 0.13ms@96k]
*Rev. A Analog Input Cards are no longer shipping.
To identify the revision of a given Analog Input Card (either Rev. A or Rev. B), remove the card from the chassis and refer to
the sticker with a printed barcode. The first letter following the number “1203” corresponds to the revision.
