All items tagged with phone and Amplifier (41)

11-03-2020 | This is a submission from Keysight. Vanchip Technologies has selected their 5G test solutions to accelerate performance validation of their...

15-08-2017 | So you’re back from holidays spent somewhere in a hot and sunny place, enjoying the a hotel or beach resort with organized activities like m...

1-02-2017 | In 1991 Sennheiser built the best headphones in the world: the Orpeus. Only 350 where ever made – exclusivity at its best. To prove that the...

23-07-2015 | Here is an all-analog, all-through-hole, cheap & cheerful preamplifier for that perennial problem of getting the microphone amplification ju...

1-07-2009 | Here we propose the use of two EL84 (6BQ5) power pentodes in triode SRPP configuration, without an output transformer The reasons for using...

1-07-2009 | Jeff Macaulay’s excellent single valve ECC82/12AU7 'Hybrid Headphone Amp' (HHA) published in spurred the author to implement some mo...

1-02-2007 | There are still a lot of hobbyists who enjoy making high-quality live audio recordings of concerts, interviews, radio broadcasts, natural so...

1-03-2006 | Galvanic isolation is a special feature of this telephone amplifier, which includes a line output connection for a hi-fi system.Although in...

1-07-2005 | Many new devices require a headphone connection, but due to the high level of integration and miniaturisation there is usually little room l...

1-07-2005 | The technical demands on microphones used with radio equipment are not stringent in terms of sound quality: a frequency response from around...