Custom 2 input Mixer with Output selection and isolation. It is equipped with two independent outputs (A,B). Additionally, the B-Output is isolated through an audio transformer in order to avoid any ground loop noise when connecting the outputs into different amps or other devices.

A rotary switch allows you to select which output is active each time and also offers a “mute” position where both outputs are silenced.

The mixer can handle instrument level signals as well as line level signals (unbalanced). If you ever need more headroom you can increase the power supply voltage up to 24V.

*** Specifications:
- Input Impedance: 10MΩ
- Output Impedance: 100Ω
- Inputs 1-2 and output-A have common ground
- B-output is isolated through an audio transformer.
- 4 position Rotary switch: (Mute), (A), (B), (A & B)
- Voltage Required: DC 9-24V
- Polarity: center negative
- Max Current draw: 14mA (@ 9V)
- Headroom vs power supply: ~7Vpp@9V | ~10Vpp@12V | ~22Vpp@24V

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Rack Splitter/Router with FX Loop & XLR out.
This is a custom splitter/router with FX Loop that can handle signals ranging from instrument level up to higher line level.

It is equipped with 4 TS inputs, 4 TS outputs, 1 FX Loop (2xTS), a Tuner-out and a Balanced XLR-out.
By using the respective rotary switch you can select which input and which output will be active each time. (check flow chart).

It features high-impedance inputs (buffered with JFET, low noise Op Amps) that can be driven either by instruments (guitar, bass etc) or line level signals as well.
The output impedance is very low, ensuring the best interconnectivity with the rest of your gear.

The circuit is built around low noise, low distortion OP amps and is equipped with input filters in order to reject external RF interference.
It requires a typical 9V power supply and can take up to 24V (max).
The higher the voltage the larger the available headroom.

Headroom vs supply:
~6Vpp@9V
~10Vpp@12V
~16Vpp@18V~22Vpp@24V

- Input impedance: 3.3MΩ
- Output impedance: 100Ω
- Balanced output impedance: 150Ω
- Flat Frequency response on the whole span of the audio spectrum.
- Required power supply: 9-24 Volt DC
- Current draw: 12mA @ 9Volts
- Enclosure dimensions: 19" 1U 431x203x43mm
- Weight: 1055gr

#dpfx #dpfxpedals #racksplitter #splitterrouter #signalsplitter #rack1u #1urack #rackenclosure #guitarsplitter #guitarpedals #basssplitter #basspedals #inputselector #outputselector #handmadepedals #handmadeeffects #rackaudio #rackeffects #boutiquepedals #boutiqueeffects