The name should give you a pretty good idea what it sounds like. Audiotechnews named his amp Demon Fucker. It sounds like it.

The name on the G-1000 suggests it might give Demon Fucker a good run for its money.

It contains 100% new-old-stock (NOS) tubes. Apparently tubes never seen in guitar amps.

The G-1000 consists of two totally independent amplifiers, with very different preamp sections. One channel is called the HAPPY channel. The other is called the ANGRY channel.

For damn good reason. One sucks your face, the other gnaws your foreskin off.

The HAPPY channel is a more-or-less conventional instrument amp. It has plenty of gain and distortion (if desired), it has a conventional guitar-amp tone control section, and it has reverb. Everything else about it is DEVIANT. It has a PHASE control, which allows mixing of normal and inverted signals—or it may be adjusted to cancel out the original signal and pass only the distortion products….and, it’s all made of unusual tubes. Mostly pentodes, ha ha ha.

The ANGRY channel is well-named. It is designed for instability and raw, berserk distortion effects. It, too, has typical guitar-amp tone controls and reverb. It uses a 6BN6 and two remote-cutoff pentodes. Ask your mother what those are. She’s already tasted your foreskin anyway.

The output tubes are 6BK5s. Obscure, yes, but great and forgotten. Phase inversion is done with 6GU7s. Various types are used throughout the preamp stages: 6AU6, 6BJ6, 6CB6, 6BN6, 5BQ7, 6AK5, and others. No 12AX7s, of ANY brand. How many tubes? TWENTY-THREE tubes in total. Including eight 6BK5 outputs. It might be the most complex tube guitar amp available today….

For more info, you can go here. And

No, you moron, it’s not available in combo form. Head only.