SV1 – Power Scaling Kit for Fixed Bias CAD $92.00 –CAD $180.00 Select options This product has multiple variants. The options may be chosen on the product page FPM – 2-Channel Fender Preamp Mod Kit CAD $18.00 Add to cart ATBP – All-Tube Bass Preamp Call for Price Read more ...
FET Preamp Schematic Parts List C1 Capacitor, 0.02 μF, 600 volts, Mylar C2 Capacitor, 150 μF, electrolytic (optional) C3 Capacitor, 10 μF, electrolytic (optional) Q1 MOSFET, type LND150N3-G, N-channel, TO-92 package R1 Resistor, 68K, 1/2-watt, 5%, metal film R2 Resistor,...
--Substituted a 0.1 uf bypass cap for the preamp stage. I thought this would make the signal 'muddier,' but the extra bass added something to the sound. --Used a 20 uF cathode bypass cap for the power amp stage. This changed the response to more treble, and together with the preamp ...
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It has very powerful deep bass, mids are very loud and lovely. Highs are very clear. I am feeling like in concert hall. The case is made from 20mm thick African Wenge wood. Chassis is 2 mm thick electrostatic painted steel. The total weight is 50 kg. DIY-6V6-Push-Pull-Tube-Amp.jpg...
There is a switchable cathode bypass cap (stock 22uF and 2,2uF) at the first half of the preamptube for less bass. I saw a post somewhere that the amp is like factory misbiased. Fender raised the B+ without changing the bias of the tubes or something like that. Quote- One thing ...
where a lot of gain is required - to drive a power amplifier that needs plenty of gain or perhaps for use with instruments, like a guitar or microphone. If you need less gain, take a look at the RCA 12AU7 / ECC82 Cathode Follower Tube Preamp Schematic which has a gain of about 8...
front panel. The 1566A does make a great active direct box and has plenty of gain. Since the front panel "Gain" control is actually a "Level" pot (and is labeled as such on the schematic) between the first and second stages, it will be ineffective if the first gain stage is ...
has a Fisher FM-100T preamp-tuner: "The interesting feature is that it was designed for simulcast stereo with one channel on AM and the other on FM. To accomplish this it has two separate tuning dials and an AM-FM output option. As is it is only a mono FM tuner with MPX option....
[Marcel]’s amplifier also uses a PY88 tube rectifier instead of semiconductor diodes, making it an entirely silicon-free design. Although [Marcel] hasn’t posted up detailed build instructions yet, hissimple schematicshould be all you need to get started. If you want some more background inf...