We can provide power transformer which use for 117V, 220V, 230V, 240V.
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OTOMON LAB EL-34 drive 808/811A/100th compatible tube amplifier , dynamic coupling * output 18W/channel
OTOMON LAB VT-62 drive 808/811A/100th compatible tube amplifier , dynamic coupling * output 18W/channel
Driver tube is EL-34, dynamic coupling method to drive power tube.
What is dynamic coupling ?
Dynamic coupling method is using current in drive tube to drive the grid of power tube (bias), the current in grid of power tube will decide the current flow in driver tube dynamically, and the current flow in driver tube will decide the bias to power tube. So as the bias is dropped, the current in driver tube will be raised, but as the current of driver tube is raised the current in grid of power tube is raised follower, and the bias will be raised. It makes the bias of power tube always stabilized and the sound is stabilized too.
This method helps driving power tube with much of current so it will make the low frequency of amplifier is very well balance.
Specification:
Response frequency: 16Hz ~ 50KHz
Hum level: 0.4mV
THD : 22W @ 5% (811 tube)
Sound of the amp is great with deep and powerful low frequency, musical and very detail. You can enjoy 3 type of tubes to see how the sound is difference.
Driver tube is EL-34, dynamic coupling method to drive power tube.
What is dynamic coupling ?
Dynamic coupling method is using current in drive tube to drive the grid of power tube (bias), the current in grid of power tube will decide the current flow in driver tube dynamically, and the current flow in driver tube will decide the bias to power tube. So as the bias is dropped, the current in driver tube will be raised, but as the current of driver tube is raised the current in grid of power tube is raised follower, and the bias will be raised. It makes the bias of power tube always stabilized and the sound is stabilized too.
This method helps driving power tube with much of current so it will make the low frequency of amplifier is very well balance.
Specification:
Response frequency: 16Hz ~ 50KHz
Hum level: 0.4mV
THD : 22W @ 5% (811 tube)
Sound of the amp is great with deep and powerful low frequency, musical and very detail. You can enjoy 3 type of tubes to see how the sound is difference.
$2,950.00
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