Whirlwind PB24 Passive Press Box
Thesepassive units distribute one line level input to multiple mic level outputs*.Each output is transformer isolated, provides excellent interchannel isolationand is ground lifted to help eliminate noise problems. Whirlwind TRSP-2Ftransformers are used throughout.
The boxesare constructed with rugged, cold-rolled steel. Available with 6, 12, or 24outputs.
InputImpedance: 2k Ohms
OutputImpedance: 150 Ohms
OperatingLevel: 0 dB input = -43 dB output
Channel-to-channelIsolation:
65 dBbetween vertically adjacent channel pairs, 107 dB between non-verticallyadjacent pairs
* Line levelsignal MUST be provided into these passive press boxes. A microphone directlyinto the input will not provide enough signal level for proper operation.








