CTP Systems dBbox3 Manual - Página 17

Procurar online ou descarregar pdf Manual para Equipamento de teste CTP Systems dBbox3. CTP Systems dBbox3 17 páginas.

Levels

All dB references in this manual relate to the following:

The dBbox3 '0dB' output level is 0dBu, that is it generates 0.775 volts into a 10k ohm

load, the most common input impedance these days. Into a 600 ohm load it will be

approximately 0.3dB lower. The dBbox3 balanced analogue output impedance is 75

ohms. Inevitably the dBbox3 will sometimes be plugged into a source with phantom

power or something unpleasant on the line and the unit must be able to protect

itself. This protection comes at a price which includes a slightly higher output

impedance in order to overcome these possibilities, hence the variation.

If you have any firmware problems with your dBbox3 or you spot any incorrect

details in our manual please let us know so we can correct. Thank you.

Specifications.

Input metering –

Ref. 0dBu

Output levels –

Ref. 0dBu

Phantom power measurement-

dBbox2 and dBbox3 firmware is the intellectual property and copyright of CTP

Analogue and AES/SPDIF combined.

accurate to within +-0.2dB or one display segment.

125Hz – 20kHz

accurate to within +1dB or one display segment.

50Hz – 20kHz

accurate to within +-0.2dB 50Hz – 15kHz

accurate to within +-0.4dB 50Hz – 20kHz

Normally within +-0.1dB at 1kHz.

+- 1 volt.