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No mention of an American Select series. The American Series guitar are "made" in Corona CA. But are not allowed to use the Made in USA logo on the headstock because apparently most of the parts do not come from the US. What does this mean? Well possibly, the neck and bodies may be CNC'ed in...

18 bucks for a NOS 12AX7 sounds fishy

Everything has almost doubled in price.

It's an isolation transformer on the ground to prevent ground loops. It also helps filter out any noise in the AC line So, if you are having ground loop issues, it may help. It's not a replacement for a noise gate type pedal.

Have the 6L6 version. It is my Favorite amp.

According to Floyd Rose website, all German locking nuts now are 10" Radius, except for the R10 https://www.floydrose.com/collections/parts/products/original-locking-nut?variant=30511210258 The 1000 series is 12"...

I replaced my ISP with the TC Electronics Sentry

Good luck. Mesa for a while was selling pairs of SED's but they are already out. Also keep in mind the last year or so, the SED factory was pushing out all their factory seconds (tubes that weren't up to spec) so there was a lot of bad SED tubes flooded into the market toward the end. All the...

The 5A is also for the entire power supply, power tubes typically in 100-watt amp pull only 500ma at full tilt. The heater circuit pulls a min of 6 amps on the power tubes. Plus, the current draw on the DC supply to the switching DC filaments for preamp tubes, etc. The HT fuse which is the...

Yes, most likely, I use a current probe (measures plate current) not screen and plate like most probes and the bias test points on the amp.

A good tip is when biasing a new amp. With the tubes removed, measure pin 5 of the power tube socket and see which way the - voltage reads when turning the bias pot. A higher negative voltage means less current, a lower negative voltage = more current. The UU uses PCB mounted trim pots (like...

The bias points measure the pair, so 170 was for the pair and not a single. So probably 85ma per tube.

One available at Sweetwater earlier today

Get UU, best Uber period.

50% is not too bad and is typical what amp companies set the bias at. For a higher gain amp, you don't want the power tubes to be too soft sounding with a hot bias. 50% is kind of a middle of the road bias setting. The bias points on the Bogner's are using a 1 ohm cathode resistor, so you're...

I have a UU as well. Thats is correct.

EL34 and 6550 average 1.6 amps per tube heater current.

Agree 100%

How would you know is a return. Many amp companies will send one or two items, and if there are pre orders they might get in say 15 amps, but 14 are pre ordered so only one left to go into stock.

Companies like Sweetwater, MF and AMS very well keep track of who the serial returners are. In some cases they have actually stopped doing business with those customers.