Whirlwind PB SKB Series Passive Press Box Passive Press Box in an SKB Case

The PB SKB Series is the same passive press box distribution in an SKB case, which is the version to buy if the box travels to the event rather than living at it. One line level input feeds 6, 12 or 24 transformer isolated mic level outputs built on Whirlwind TRSP-2F transformers.

Interchannel isolation is 65 dB between vertically adjacent channel pairs and 107 dB between non-adjacent pairs, and the boxes themselves are cold rolled steel. As with the standard PB Series these are passive, so a line level signal must be provided at the input; a microphone plugged straight in will not drive them.

Type	Passive press box in an SKB case
Outputs	6, 12 or 24 transformer isolated mic level outputs
Transformers	Whirlwind TRSP-2F
Input impedance	2 kohms
Output impedance	150 ohms
Operating level	0 dB input = -43 dB output
Channel isolation	65 dB vertically adjacent pairs, 107 dB non-adjacent pairs
Construction	Cold rolled steel box, SKB case