Preamps and Buffers for DIY Stereo & Home Theatre
Everything you need for your DIY media system in one place.Â
Purifi 1ET400A/Hypex NC500 Input Buffer
Get improved sound quality with this one-of-a-kind input buffer. It provides a differential output for the Class D amplifier, even if the input to the buffer is single-ended.Â
Learn more about the Purifi/Hypex Input Buffer here: »Purifi 1ET400A/Hypex NC500 Input Buffer.
Universal Buffer
This two-channel stereo buffer can be configured to provide various functions, including single-ended to differential conversion, signal inverter, and much more.
Explore the full features of the Universal Buffer here: »Universal Buffer.
Input Selector
This relay-based input selector supports the selection of up to 6 stereo inputs and can be used as a:
- Passive preampÂ
- Active preamp
- Preamp with gainÂ
Compatible with 3.3 - 5.0 V CMOS logic levels, this input selector is a great allrounder with great possibilities.Â
Read more about the Input Selector here: »Input Selector.
Selector Switch & Volume Control
This 2-part circuit board is intended for use with the Input Selector and contains two boards separated by a V-score. One part is the rotary switch selector switch with LED indication of the selected setting. The other part is the volume control, which features an ALPS RK271-series "Blue Velvet" potentiometer.Â
Learn more about the Selector Switch & Volume Control here: »Selector Switch & Volume Control.
Differential Volume Control
Form a fully differential (balanced) volume control with the 4-gang ALPS "Blue Velvet" (RK271-series) volume pot. Build a fully balanced passive preamp by adding the input selector and selector switch.Â
Learn more: »Differential Volume Control.
Purifi 1ET400A / Hypex NC500 Input Buffer
NeurochromeThis input buffer is intended for use with the Purifi 1ET400A and Hypex NC500 Class D amplifier modules. Unlike other buffers, including the Purifi...
View full detailsUniversal Buffer
NeurochromeThe Universal Buffer is a two-channel (stereo) buffer, which can be configured to provide any of the following functions: Single-ended (unbalanced...
View full detailsSelector Switch & Volume Control
NeurochromeThe Selector Switch & Volume Control is a two-part circuit board intended for use with the Input Selector. It is sold as a panel and consists o...
View full detailsDifferential Volume Control
NeurochromeThe Differential Volume Control PCB is intended for use with a 4-gang ALPS RK271-series, "Blue Velvet" volume pot to form a fully differential (bal...
View full detailsInput Selector
NeurochromeThe Input Selector is a relay-based input selector which supports the selection of one of six stereo inputs. It can be used as a passive preamp by ...
View full details