6 Headphone Splitter Schematic

6 Headphone Splitter Schematic

Free Schematic 6 Headphone Splitter Schematic

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50Hz Crossover Schematic

50Hz Crossover Schematic

Crossover 50Hz

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4-Way Intercom

4-Way Intercom

4Way Intercom

Parts List

R1 10k

R2 150k
R3 4k7
R4 47k
R5 2k2
R6 4k7 trimpot
R7 390R
R8 10k
R9 100k
R10 100k
R11 22k
R12-R15 2k2
R16 4k7
R17 4k7
C1 0.22uF
C2 47uF
C3 1uF
C4 2,200uF (power filter cap – not shown, but wired across +12volts & 0v- ground points
Q1-Q5 BC547 n.p.n low gain
Q6 BC 549C high gain with a beta of at least 250+
D1-D7 1N4148 or 1N914 small signal diodes
IC1 NE 556 dual timer chip
IC2 CD 4017B decade counter chip
OC1-OC3 4N25 or 4N28 opto couplers
Tx 1k/8R transformer, with 1k centre tapped
B1-B4 9 volt DC buzzers mounted inside phone handsets

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3V Tube Amplifier Schematic

3V Tube Amplifier Schematic

model:mg-si15dt

3V Tube Amplifier Schematic

schematic diagram showing a vacuum tube amplifier

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350Hz Crossover Schematic

350Hz Crossover Schematic

350Hz Crossover

350 Hz. Crossover between the MF and HF subsystems

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3 Tone Gong

3 Tone Gong Schematic

3 Tone Gong

3-tone-gong

This 3-tone-gong is designed to signal different driving directions in different wave forms.

This is done with a SAE800 IC.

There is a 8 pin header that is used to activate a single,

twice or three tone gong melody with active high or active low signals.

Two potis are used for volume control and pitch control.

The 3-tone-gong comes with a 8 ohm / 2W speaker.
input voltage: 12VDC - 30VDC.
power consumption: 2W

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25L6 Amplifier

25L6 Amplifier Schematic

25L6 Amplifier

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2 Line Mixer

2 Line Mixer Schematic

This is an image Schematic 2 Line Mixer

This simple line mixer

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110 dB Beeper

110 dB Beeper

The setup employs a single 74C14 (CD40106B) CMOS hex inverting Schmitt-trigger IC, which must be used with a piezoelectric device with a feedback terminal. The feedback terminal is attached to a central region on the piezoelectric wafer. When the beeper is driven at resonance, the feedback signal peaks.

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Wireless Headphone System Schematic

Wireless Headphone System Schematic

Wireless Headphone System Schematic

A wireless headphone system has recently been proposed in which a signal is ... 1 is a schematic perspective view illustrating a wireless headphone system

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Wurlitzer 680 Schematic

Wurlitzer 680 Schematic

schematics for Wurlitzer 680

Wurlitzer Model 680 Amplifier Schematic

Downloads: File

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Yamaha AT100 Schematic

power amplifier section

pre-amplifier section

power supply

Yamaha AT100 Schematic

Yamaha GigMaker Acoustic Guitar PackYamaha at100

Keyboard Package with Portable Grand Piano

The Yamaha at100 seems designed specifically

schematic of an old Yamaha Amplifier

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Yamaha BC2 Schematic

Yamaha BC2 Schematic

Free download of Yamaha BC2 Schematic

Yamaha BC2 is simply something that you blow into to control the 'breath' pressure input.

you want download Yamaha BC2 Schematic

here

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Yamaha MFC06 Schematic

Yamaha MFC06 Schematic

Yamaha GigMaker Acoustic Guitar Pack
Yamaha YPG-635 Keyboard Package with Portable Grand Piano ...
The Yamaha mfc06 seems designed specifically ..

Yamaha MFC06 Schematic

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Yamaha MPC1 Schematic

Yamaha MPC1 Schematic
parts
ic1= tdb2083ap

ic2= 74hd175

ic3= an7805

ic4= mc74hc245n

ic5= mc74hc193n

ic6= hd74hc373

ic7= mbm27c128-20

ic8= hd6303rp

http://www.freeinfosociety.com/electronics/schematics/audio/pictures/yamahampc1.gif

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schematic Yamaha T50

schematic Yamaha T50

Yamaha Guitar/Bass Amplifier T50/T50C/T100/T100C

linke download
1
http://www.freeinfosociety.com/electronics/schematics/audio/yamahat50.pdf

2
Download yamaha_t50_t100.pdf.
http://www.prowessamplifiers.com/schematics/post/yamaha_t50_t100.pdf

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