Teac is a Japanese hi-fi great with a history dating back to the mid-1950s. It’s best known for its high-end audio equipment, including reel-to-reel machines, cassette tape decks and amplifiers. Now, ...

Learn how power amplifiers work, the common types, and what to lookout for when shopping for amps. You have to find out if the amplifier is a Class A/B analog amp or a Class D digital amplifier before ...

Power operational amplifiers (POPs) are becoming increasingly common in control circuitry. Their primary advantages over conventional amplifiers are reduced part counts, increased reliability, and ...

Find out if the Monolith 8125X and 8250X power amplifiers might be the right solution for your speaker setup. Monoprice has been releasing a lot of speakers and subwoofers recently (for more ...

In systems with multiple supply voltages, operational amplifier power supplies must be established simultaneously with, or before, any input signals are applied. If this doesn’t happen, overvoltage ...

Dollar for dollar, pound for pound, a better seven channel amplifier than the Emotiva UPA-7 does NOT exist on the market. This is a safe purchase and a highly recommended one! When Emotiva finally ...

7 new products from the world of hi-fi and home cinema are in our test rooms now ...

From large panels to harvested microwatts from a few photodiodes, solar power is increasingly prevalent in autonomously powered systems. With the worldwide evolution toward lower power operation using ...