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	Firmware and source code for the Low-Noise Stereo Preamplifier [0111111B.HEX] (previously 0111111A.HEX) PIC16 microcontroller firmware (HEX file) plus ASM source code for the Low-Noise Stereo Preamplifier project. This updated B version of the firmware solves the problem that the remote control section won't work without the input selector board plugged in. Cat No SC0973. Price: Free Files: 0111111B.zip (ZIP contains .hex and .asm files; 9.1KB) Related to: Project: Ultra-LD Stereo Preamplifier & Input Selector, Pt.1 (November 2011 [online issue]) Project: Ultra-LD Stereo Preamplifier & Input Selector, Pt.2 (December 2011 [online issue]) Project: Ultra low noise remote controlled stereo preamp, Pt.1 (March 2019 [print issue] [online issue]) Project: Ultra low noise remote controlled stereo preamp – Part 2 (April 2019 [print issue] [online issue]) View 14 other items relevant to the same project(s)
	Input Switching Module PCB for the Low Noise Preamplifier [01111112] PCB for the Preamplifier/Amplifier Input Switching Module. PCB with plated through holes, solder mask and silkscreen overlay. 109.5 x 84.5mm. Cat No SC0704. Price: AUD $15.00 1  Add to trolley In stock: yes (15 available). Estimated dispatch time: 1-3 days Related to: Project: Ultra-LD Stereo Preamplifier & Input Selector, Pt.1 (November 2011 [online issue]) Project: Ultra-LD Stereo Preamplifier & Input Selector, Pt.2 (December 2011 [online issue]) Project: Ultra-LD Mk.3 135W/Channel Stereo Amplifier, Pt.1 (March 2012 [print issue] [online issue]) Project: Ultra-LD Mk.3 135W/Channel Stereo Amplifier, Pt.2 (April 2012 [print issue] [online issue]) Project: Ultra-LD Mk.3 135W/Channel Stereo Amplifier, Pt.3 (May 2012 [print issue] [online issue]) Project: Ultra low noise remote controlled stereo preamp, Pt.1 (March 2019 [print issue] [online issue]) Project: Ultra low noise remote controlled stereo preamp – Part 2 (April 2019 [print issue] [online issue]) View 16 other items relevant to the same project(s)
	Input Selection Pushbutton PCB for the Low Noise Preamplifier [01111113] PCB for the Preamplifier/Amplifier Input Selection Pushbuttons. Double-sided PCB with plated through holes, solder mask and silkscreen overlay. 66 x 24.5mm. Cat No SC0702. Price: AUD $5.00 1  Add to trolley In stock: yes (22 available). Estimated dispatch time: 1-3 days Related to: Project: Ultra-LD Stereo Preamplifier & Input Selector, Pt.1 (November 2011 [online issue]) Project: Ultra-LD Stereo Preamplifier & Input Selector, Pt.2 (December 2011 [online issue]) Project: Ultra-LD Mk.3 135W/Channel Stereo Amplifier, Pt.1 (March 2012 [print issue] [online issue]) Project: Ultra-LD Mk.3 135W/Channel Stereo Amplifier, Pt.2 (April 2012 [print issue] [online issue]) Project: Ultra-LD Mk.3 135W/Channel Stereo Amplifier, Pt.3 (May 2012 [print issue] [online issue]) Project: Ultra low noise remote controlled stereo preamp, Pt.1 (March 2019 [print issue] [online issue]) Project: Ultra low noise remote controlled stereo preamp – Part 2 (April 2019 [print issue] [online issue]) View 16 other items relevant to the same project(s)
	Preamp & Remote Volume Control PCB for the Ultra-LD Mk3 [01111111] PCB for the Preamplifier & Remote Volume Control for the Ultra-LD Mk3 Amplifier. Can also be used to build the 20W Class-A amplifier (note: there are some slight differences in connectors). PCB with plated through holes, solder mask and silkscreen overlay. 201 x 63mm. Cat No SC0706. Price: AUD $30.00 1  Add to trolley In stock: yes (26 available). Estimated dispatch time: 1-3 days Related to: Project: A 20W Class-A Amplifier Module (May 2007 [print issue] [online issue]) Project: 20W Class-A Amplifier Module; Pt.2 (June 2007 [print issue] [online issue]) Project: 20W Class-A Amplifier Module; Pt.3 (July 2007 [print issue] [online issue]) Project: 20W Class-A Amplifier Module; Pt.4 (August 2007 [print issue] [online issue]) Project: Building The 20W Stereo Class-A Amplifier; Pt.5 (September 2007 [print issue] [online issue]) Project: Ultra-LD Stereo Preamplifier & Input Selector, Pt.1 (November 2011 [online issue]) Project: Ultra-LD Stereo Preamplifier & Input Selector, Pt.2 (December 2011 [online issue]) Project: Ultra-LD Mk.3 135W/Channel Stereo Amplifier, Pt.1 (March 2012 [print issue] [online issue]) Project: Ultra-LD Mk.3 135W/Channel Stereo Amplifier, Pt.2 (April 2012 [print issue] [online issue]) Project: Ultra-LD Mk.3 135W/Channel Stereo Amplifier, Pt.3 (May 2012 [print issue] [online issue]) View 21 other items relevant to the same project(s)
	PIC16F88-I/P programmed for the Low-Noise Stereo Preamp [0111111B.HEX] (previously 0111111A.HEX) A PIC16F88-I/P 8-bit microcontroller programmed with the firmware for the Low-Noise Stereo Preamplifier (0111111B.HEX). This updated B version of the firmware solves the problem that the remote control section won't work without the input selector board plugged in. Cat No SC0886. Price: AUD $15.00 1  Add to trolley In stock: yes (21 available). Estimated dispatch time: 1-3 days Related to: Project: Ultra-LD Stereo Preamplifier & Input Selector, Pt.1 (November 2011 [online issue]) Project: Ultra-LD Stereo Preamplifier & Input Selector, Pt.2 (December 2011 [online issue]) Project: Ultra low noise remote controlled stereo preamp, Pt.1 (March 2019 [print issue] [online issue]) Project: Ultra low noise remote controlled stereo preamp – Part 2 (April 2019 [print issue] [online issue]) View 14 other items relevant to the same project(s)
	Low-Noise Stereo Preamplifier Input Switcher PCB pattern (PDF download) [01111112] PDF with the PCB design for the Low-Noise Stereo Preamplifier Input Switcher, including the version used in the Ultra-LD Mk.3 complete power amplifier (single-sided). Cat No SC0978. Price: Free Files: 01111112.pdf (17.7KB) Related to: Project: Ultra-LD Stereo Preamplifier & Input Selector, Pt.1 (November 2011 [online issue]) Project: Ultra-LD Stereo Preamplifier & Input Selector, Pt.2 (December 2011 [online issue]) Project: Ultra low noise remote controlled stereo preamp, Pt.1 (March 2019 [print issue] [online issue]) Project: Ultra low noise remote controlled stereo preamp – Part 2 (April 2019 [print issue] [online issue]) View 14 other items relevant to the same project(s)
	Low-Noise Stereo Preamplifier Input Selector Pushbutton PCB pattern (PDF download) [01111113] PDF with the PCB design for the Low-Noise Stereo Preamplifier Input Selector, including the version used in the Ultra-LD Mk.3 complete power amplifier (double-sided). Cat No SC0979. Price: Free Files: 01111113.pdf (6.9KB) Related to: Project: Ultra-LD Stereo Preamplifier & Input Selector, Pt.1 (November 2011 [online issue]) Project: Ultra-LD Stereo Preamplifier & Input Selector, Pt.2 (December 2011 [online issue]) Project: Ultra low noise remote controlled stereo preamp, Pt.1 (March 2019 [print issue] [online issue]) Project: Ultra low noise remote controlled stereo preamp – Part 2 (April 2019 [print issue] [online issue]) View 14 other items relevant to the same project(s)
	Low-Noise Stereo Preamplifier Main PCB pattern (PDF download) [01111111] PDF with the PCB design for the Low-Noise Stereo Preamplifier, part of the Ultra-LD Mk.3 complete power amplifier design (single-sided). Cat No SC0977. Price: Free Files: 01111111.pdf (34.9KB) Related to: Project: Ultra-LD Stereo Preamplifier & Input Selector, Pt.1 (November 2011 [online issue]) Project: Ultra-LD Stereo Preamplifier & Input Selector, Pt.2 (December 2011 [online issue]) View 7 other items relevant to the same project(s)