Results tagged #Preamp in Circuits
Preamp using the current series feedback circuit
Pre-amplifiers using current feedback circuit tandem type, its output impedance is approximately DC collector resistance Rc ,, surface...
Preamp using the current series feedback circuit
Pre-amplifiers using current feedback circuit tandem type, its output impedance is approximately DC collector resistance Rc ,, surface...
Solid-state Fender Blackface Preamp
...
5 preamp
...
PREAMP 2012
...
Abbey
This is one of the original brand-name folders created for the site, and for almost three years it has been empty, just someone`s distant me...
preamp
Here`s my final mic pre schematic. The input phase switch and phantom power circuit is not shown, but is based on Jensen mic input design AS...
Hi Fi Stereo Preamp Circuit
The first half of the circuit (IC1a) it has an input sensitivity of 3 mV and has a frequency correction composed of C5, C3, R6 and R8. The b...
Audio PreAmpCircuit Project
...
Noisy Pot-like noise in preamp circuit
Hi there, I have a preamp circuit that is part of a powered subwoofer that is making a static/popping noise. It sounds similar to the scratc...
Preamp Stage For Ceramic Phono Cartridge Or Violin Pickups
While we have published a number of variations on a standard RIAA preamplifier for magnetic phono cartridges, we have not published a preamp...
Power Supply for Standalone Preamp
If you`re just building a dual stand-alone preamplifier (as for, say, a stereo magnetic phono preamp), your power supply requirements will o...
DIY CAT SL1 preamp
I build the CAT SL1 preamp with the attached schematic Noted that the gain of this circuit has about 26dB. I noted that the new SL1 have an ...
12AX7/12BH7 Hammond Tube Preamp Project
Build a preamp that I want to use to take a 1/4" keyboard line level signal and drive a Leslie 147 amplifier with it. I want to build the pr...
Fender rhodes peterson vibrato preamp
There is considerable hiss brought on by the circuit. Cutting the treble knob helps greatly (but no fun with treble cut!). When the vibrato ...
place the potentiometer
This might seem like a dumb question, but I`m a total newb in electronics. I built this preamp to amplify the signal from a small speaker th...
Preamp Mixer Stomp-Box for Dobro Guitar
I designed and built this stomp-box forGrammy-winning resophonic guitar player Stacy Phillips. Stacy typically uses two transducers on his D...
fet preamp
The PZP-1 Piezo Buffer is now available! The PZP-1 is a high impedance buffer preamp, using 100% discrete class-A circuitry. Designed expres...
cm7777 preamp
My CM7777 preamp has failed. I want to determine if the failure is due to the power supply or the preamp itself. Does the power supply outpu...
vox ac30 preamp
The bright channel of the Vox AC30 Top Boost preamp begins with a traditional 12AX7 preamp connected to a volume control with a bright bypas...
JMP50 1987 preamp
The Marshall JTM50 and JMP50 use two configurations for the first preamp. One is the same design as in Marshall`s Bluesbreaker and JTM45 and...
preamp onboard
After the unexpectedly big success of my JFET bass preamp I decided to build an onboard version. For a Jazz Bass-like instrument, I had to g...
preamp mic schematic and audio megaphone
...
preamp mic schematic
...
preamp
The circuit is so simple that there is little to say about it, but it gives very good results. Tr1 is operated in grounded base mode with in...
preamp
This is a clean preamp that I designed to use with my bass, a power amp, and a cab at a rehearsal space. (Rehearsal space being a fancy name...
PREAMP
The input stage is the most critical for common-mode rejection and noise. We used a Burr-Brown INA121 differential amplifier, set to a gain ...
filter preamp subwoofer circuit
Acoustic spectrum is extended by the 20Hz frequency is very low and reaches as high frequency 20000Hz. In the low frequency is lowered sense...
preamp circuit
Using a K-12 tube amp with a NAD C542 CD player, there is no need for a buffer or line level preamplifier. The K-12 is a very polite and swe...
Simple High Quality Preamp For Hi-Fi
The new version has PCBs available, and is recommended for the best sound quality. If you need tone controls, you should see Project 97 whic...
Simple PreAmp MIC Circuit
preamp circuits use infront an RF oscilator to make an RF transmitter that is very sensitive to sound. A microphone preamp must provide stab...
Low Cost High Level Preamp and Tone Control Circuit
For the best advantage as a low noise high input impedance device, the preamp and tone control uses JFET. If the circuit reaches harmonic di...
Bootstrap Buffer Based Preamp
I have been playing with a number of variations of the circuit as a free standing preamp, headphone amp, 321/729 replacements and as a poten...
Preamp Transmit-Receive Sequencer Circuit
This circuit is useful in amateur radio VHF and UHF work where a mast-mounted antenna preamp is used for receiving. The kit controls T-R sw...
General-Purpose Preamp
This amplifier is useful for audio and video applications. Gain is set by Rf and the voltage gain of this amplifier ...
Mike preamp with tone control
The LM318 op amp is operated as a standard non-inverting amplifier. Resistor Rl (47 k ohm) provides an input path to ground for the bias cur...
Soundblaster Preamp
The Sound Blaster 16 PCI and Sound Blaster 16 ISA do not have a very sensitive microphone input. This little one transistor amplifier is pow...
Simple High Quality Preamp For Hi-Fi
For those who are still with me, the preamp featured has optional tone and balance controls which may be omitted if desired (although I do n...
Minimalist Discrete Hi-Fi Preamp
A preamp designed for the minimalist, and having no frills at all is the design goal for this project. It is designed as a preamp for the De...