Vacuum Tube Circuits
	DTL1- Dual Triode Pre-Amp
	Dual Triode Lineamp - with tone control
	Shure M65 Phono Pre-Amp
	MC-RIAA Phono Pre-Amp
	3 Tube Phono Pre-Amp
	4 Tube Phono Pre-Amp
	6BM8 - Weird Small SE Amp
	6W P-P - Small 2xECL82 Power Amp
	5W SE Amp - EF86, ECC85, EL84 Amp
	10W P-P Amp - 2x6BX7GT Power Amp for Starters
	4W SE - Small SE PA with EF80 and EL84
	10W P-P - Russian Full Amp 10W
	10W P-P - Russian Mono Block with 2x6P14P
	2xEL84 P-P - 8 Watts Ultralinear Power Amp
	12AX7/ECC83 - Pre-Amp for above
	2x6L6 P-P - 20W full Amp
	QuadII - 2 x KT66 P-P Power Amp
	20 Watts Mono Block - with 2 x EL84. Click here for parts list & spec.
	35 Watts Full Amp - with 4 x EL84. Click here for parts list & spec.
	P-P Power Amp - 4 x 6L6
	Pederson W-50 - Full Amp with 2 x 6550 P-P
	Pilot AA-902 - 2 x 6V6 P-P Power Amp
	4x6336A - OTL Power Amp
	2x6C33C - OTL Power Amp
	2x6C33C - Power Supply for above OTL
	2x6AS7 - Triode Push-Pull PA
	4xEL34 - Laney Klipp 100W Guitar Amp
	4x6550 - Stromberg - Carlson 80W Amp
	RCA 25 W OTL Music Amp Six Tube Transformerless Power Amp
	Variable Audio Generator - Wien-Bridge Oscillator with Dual Triode
	Tube Voltmeter - Economical Vacuum Tube Voltmeter
	Power Supply - Regulated Vacuum Tube PSU
	For More Schematics on the Internet go to the Links Page
	Miscellaneous Circuits
	Battery Guard - will sound alarm before battery dies on you
	Continuity Tester
	Go-no-Go transistor tester
	60Hz Oscillator - use it for...??
	VHF-UHFAntenna Amplifier - one transistor 12dB HF-amplifier
	Short-Wave3-33 Mhz HF Amp's
	Low Distortion Oscillator
	Low Noise Pre-amp. -simple one transistor
	Audio Mixer
	Test Instruments
	Component and Circuit Tester - easy to build, two transistor
	Automatic AF - RF Probe - Probe switches automatically between AF and RF
	1kHz Test Oscillator - transistor or Op-Amp version
	Variable Frequency Audio Oscillator - easy to build
	Wien-Bridge Oscillator - Variable 15Hz - 150kHz
	Voltage to Frequency Converter - use your frequency meter for voltage measurements
	Solid State Amplifiers
	15 Watts Amp - easy to build. Click here for parts list & spec.
	22 Watts Amp - needs only single voltage supply
	40 Watt Hi-Fi Amp - build your home stereo. Click here for parts list & spec.
	15-100 Watts Power Amp - you choose the output power. Click here for parts list & spec.
	100 Watt Amp - another 100 W power amp.
	230 Watt Amp - brute power. Click here for parts list & spec.
	100W Digital - Class D Amplifier
	Download class-D-zxcd1000.pdf - Class D Amplifier based on the ZXCD1000
	Download Class_D_Ny_Elektronik_1986.pdf - Minimalist Class D Amplifier
	Power Supplies
	Variable Output Power Supply - essencial device on your bench
	Experimenters Benchtop PS. - 5 Volt fixed and variable output
	Basic Regulated Power Supplies - with overload protection
	Multi Output Power Supply - from one center tapped transformer
	Pre-Amplifier & Sound Effect Circuits
	RIAA Phono Pre-Amp - two transistor magnetic cartridge phono pre-amp
	Ic RIAA Phono Pre-Amp - magnetic cartridge phono pre-amp
	Guitar Mixer Pre-Amp - Big Bass
	Audio Ring Modulator - ARM - Sound Effect Circuit
	updated 07/25/09.