V25 attenuator & controller
V25 controller overview
Stepped attenuator and preamp controller The V25 is a digitally controlled, analog 2 channel stepped attenuator and preamp controller. Unlike...
Apple remote pairing
Remote pairing is a process that “teaches” your Tortuga preamp the ID number of your Apple (or legacy Tortuga remote)...
V25 controls with OLED display
Application The following information is for Tortuga Audio preamps based on the V25 preamp controller with the OLED display. If...
V25 controls with 7-segment display
The following information is for Tortuga Audio preamps based on the V25 preamp controller (released April 2017) with 7-segment LED...
V25 encoder controls
The rotary encoder Different than a potentiometer Encoders differ from conventional potentiometers in the following ways: Encoder control functions Encoders...
V25 firmware updating
Who should read this section? If you’re new to Tortuga Audio preamps and/or you are considering updating the firmware of...
V25 single-ended audio wiring
The RCA jack Single-ended audio means there’s only a one audio signal referenced to ground per channel. RCA jacks are...
V25 balanced audio wiring
3 pin XLR wiring Balanced audio signals typically use XLR type 3-pin connections. XLR wiring is unavoidably more complex than...
OLED display assembly
The OLED (Organic Light Emitting Diode) display assembly combines a 3.2 inch, 256 x 64 pixel OLED graphic screen with a custom adapter board, a rotary encoder, and an infrared receiver module to create an integrated OLED display assembly for Tortuga Audio's LDR stepped attenuator and preamp controllers.
LED display assembly
The 7-segment LED display was used by the V2 and early V25 preamp controllers. This display was eventually discontinued and replaced by the current OLED display. Unfortunately they are not mutually compatible.