17 results in 0.0042 seconds.
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champion 600 rebuild - excessive hum
Need help, because I'm losing my hope. I've built several amps, but last two rebuilds made me puzzling the most. Amps are champions 600, converted to PTP... -
5F1 cathode resistor voltage extremely high
Hello, I don't post here often, but I'm attempting my first build after having a bit more of a formal understanding on how all this stuff works. I'm having... -
5F1 Fender Champ Problem
I'm wondering if anyone can help - I've just got a freshly wired 5F1 and am having a problem.
When starting the amp up with no tubes the pilot... -
New 5F1 - Strange Problem - Low B+ with tubes plugged in
I just built a 5F1 and powered it up and it kind of amplifies but mostly pops and sounds like static on an old shortwave radio. The B+ voltages seem to be... -
Building "the perfect Champ"
Hello people,
i´me building the Champ 5C1 schematic. Its my fifth DIY-amp project and I really love it. Everything works and sound... -
Crazy 5f1
I built a 5F1 with a switchable 25 uf gain cap on primary of the 12ax7.
The problem is the weirdest thing, when I plug in a guitar with a 250k volume...Last edited by longo3; 06-04-2012, 02:08 AM. -
Champ kit
Hi everyone
I am looking at my first build and figgured I'd start with a kit build of a champ or something similar. Just wondering what people... -
More 5F1 Champ Build problems...this one is strange
Hi everyone. Trying my hand at building a Marsh-Mojo 5F1 Champ. I'm trying to diagnose what I've screwed up or see if I've got a faulty component.
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Need some help on a 5F1, please.
Hi, all. I'm back to working on the 2 amps I set aside in Feb due to major frustration and a few guitars & pedal builds my husband asked for help with.... -
Help Double-Check My 5F1 Champ with 6BM8 One-Tube Reverb?
Hi, all--
I'm adding a 6BM8 one-tube reverb circuit taken from what I've been told is a modded JTM45 schematic* to my 5F1 Champ. I'm basically...Last edited by dchang0; 11-13-2010, 08:21 AM. -
Bassman 5f6a and Champ 5f1 Cathode / Fixed Bias Switching
After scouring the web I cannot find, nor figure out the proper way to wire a fixed/adjustable bias switch for these two amps. Can someone either explain... -
Is this what blocking distortion sounds like?
Hello,
my new 5F1 build is in the thorough testing phase, and after fixing the hum and most of the rattling at high volume (as much as the... -
5F1 hums, quiets down when volume at maximum
Hello, I've built a Tube Amp Doctor 5F1 kit and I'm pretty happy with it's tone, but recently I've added a 25uF/25V bypass capacitor for the 1K5 preamp resistor,... -
Beginner, want to build a TAD 5F1 kit
Hello,
I'm going to order and build a Tube Amp Doctor (TAD) 5F1 kit:
Amp-Kit Tweed Champ Style 5F1 Röhren, AMP Kits und Lautsprecher... -
Champ impedance switch wiring question
I am working on my first amp build based on a champ 5f1. I have installed a external speaker jack that switches so the internal (4 ohm) will not play when... -
Used wrong resistors but Champ amp sounds great should I change them?
I built a 5f1 champ type amp and because it had hum issues I used a twisted pair heater from the 6.3 volt PT (green) wires. There was no center tap from the... -
Trying layout changes in 5f1 home build
Hi all.
I am new to this forum and new to building. I stumbled on it searching for information about building a 5f1 Champ-like amp and troubleshooting...