The amp features McIntosh’s new DualView Power Output Meter which stacks two meters in a single window. One of the meters displays the output of the 300-Watt vacuum tube section while the other ...

Accomplishing a true zero output of an op-amp with a symmetrical multivibrator for better efficiency than the previous photocell design idea.

There appears to be 16 large transisitors which were mounted to the heatsink of this amplifier. It is a Planet Audio 4 channel car audio amp. From some quick Google searching, it looks like I ...

The Results Anyhow, I set up the big one-transistor kluge along with another low-power FET op amp as “A2” and ran them as an analog computer as Jim had showed me on the elevator.

Second, the RF amplifier is directly connected to the DC power supply. At the positive half cycle of the drive signal, transistors 1 and 3 turn on, forming the positive half of the waveform at the ...

If the base current varies, so does the output current, which is how a transistor functions as an amplifier. It’s similar to the way you control the flow of water with a faucet.

The compromise solution is Class A/B operation, and it is a good one. The vast majority of traditional analogue amplifier products on the market work in this way. This type of design allows a certain ...

Powered by a factory-wound toroidal transformer driving a set of high-current output transistors, the DX-5 strives for unerring midrange precision alongside "pristine highs" and a "rich, deep ...

January 22, 2023 ‘It Sounds Human’: Audiophiles Are Embracing the Lush Sounds of Old-School Tube Amps Once nearly obsolete, the classic devices still can’t be beat for their natural sound.

In the high power audio amplifier application, the matching, currentbalancing and protection of the output transistor are important to thelinearity of the power amplifier.

By contrast, an analog amplifier that weighs less may use a smaller transformer with inadequate capacity and fewer or thinner heat sinks (heat sinks look like radiator fins and are used to dissipate ...

Why you should ditch your Bluetooth speaker for the smooth, sweet and surprisingly affordable sound of a vacuum-tube amplifier.