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Antique 1871 Estey Pump Organ TREMOLO valve box
Antique 1871 Estey Pump Organ TREMOLO valve box
Antique 1871 Estey Pump Organ TREMOLO valve box
Antique 1871 Estey Pump Organ TREMOLO valve box
Antique 1871 Estey Pump Organ TREMOLO valve box

Antique 1871 Estey Pump Organ TREMOLO valve box

$ 5.27

Availability: 80 in stock
  • Condition: Used
  • For Instrument: Organ
  • All returns accepted: ReturnsNotAccepted
  • Brand: Estey
  • MPN: Does Not Apply

    Description

    This is a valve box that is engaged when you pull the TREMOLO stop.  It allows vacuum from one side of the vacuum chamber to occupy both halves of the vacuum chamber.  It would seem to act more as a SWELL at that point.