linear-manual - Henley Designs Ltd.
... results in a power consumption difference of factor 20! Loudspeakers and headphones are manufactured in a dazzling variety. Irrespective of their impedance headphones and loudspeakers can have very different efficiencies which means that the electrical signal is converted more or less effective to a ...
... results in a power consumption difference of factor 20! Loudspeakers and headphones are manufactured in a dazzling variety. Irrespective of their impedance headphones and loudspeakers can have very different efficiencies which means that the electrical signal is converted more or less effective to a ...
BassBoost cMoy Headphone Amplifier Operational
... Technical Info: A regulated power supply delivers a constant voltage regardless of the load, whereas unregulated power supplies increase in voltage as load current decreases. Therefore, an unregulated DC adapter may actually supply much more voltage than anticipated and quickly fry your cMoy amplifi ...
... Technical Info: A regulated power supply delivers a constant voltage regardless of the load, whereas unregulated power supplies increase in voltage as load current decreases. Therefore, an unregulated DC adapter may actually supply much more voltage than anticipated and quickly fry your cMoy amplifi ...
Stereo 416 and PAT-5 Bifet Brochure, Page 2
... to both outputs, right input to both outputs, or mono. ...
... to both outputs, right input to both outputs, or mono. ...
Hearing
... Sound Energy is produced by the vibration of matter and travels by compressional waves. ...
... Sound Energy is produced by the vibration of matter and travels by compressional waves. ...
PDF-Version
... battery capacity of 900mAh (good Alkali cell), we can expect a hearing time of approximately 30 hours or more, good enough for a travel week. One positive side-effect is that the mp3-player playing time will increase by our PA, due to high input impedance (app. 20k compared to e.g. 50). One furthe ...
... battery capacity of 900mAh (good Alkali cell), we can expect a hearing time of approximately 30 hours or more, good enough for a travel week. One positive side-effect is that the mp3-player playing time will increase by our PA, due to high input impedance (app. 20k compared to e.g. 50). One furthe ...
BELT-PACK IFB AMPLIFIER type C1MB
... distortion. The balanced output stage of the headphone amplifier drives earpieces and headphones, having either mono or stereo jack plugs, with connections to the tip and ring only. Although this causes stereo headphones to be driven in anti-phase, intelligibility of speech is unaffected, and the hi ...
... distortion. The balanced output stage of the headphone amplifier drives earpieces and headphones, having either mono or stereo jack plugs, with connections to the tip and ring only. Although this causes stereo headphones to be driven in anti-phase, intelligibility of speech is unaffected, and the hi ...
Paper E1 - Digital Circuits
... A simple way to send information using a carrier - switch it on and off To transmit speech or music, something more elaborate is needed Amplitude modulation is a simple modulation technique in which the amplitude of the carrier is varied in sympathy with the signal. Special forms of amplifier can be ...
... A simple way to send information using a carrier - switch it on and off To transmit speech or music, something more elaborate is needed Amplitude modulation is a simple modulation technique in which the amplitude of the carrier is varied in sympathy with the signal. Special forms of amplifier can be ...
High Definition Stereo Headphone Amplifier Ear+ Purist HD Ear+ HD300
... The 6AS7G is a dual triode developed in the late 1940s for series voltage regulator application. It is a low mu, low plate resistance, and relatively high transconductance tube which make it a useful output tube for a headphone amplifier where a low output impedance is desirable. In fact, in this ci ...
... The 6AS7G is a dual triode developed in the late 1940s for series voltage regulator application. It is a low mu, low plate resistance, and relatively high transconductance tube which make it a useful output tube for a headphone amplifier where a low output impedance is desirable. In fact, in this ci ...
Whirlwind Q-BOX V2 - Rautschka onStage KG
... A switch that unconnects the two XLRs from each other so tone or internal mic can be sent out of one while you listen to what's coming back on the other. Or connect the XLRs together and "loop-through" or daisy-chain units. ...
... A switch that unconnects the two XLRs from each other so tone or internal mic can be sent out of one while you listen to what's coming back on the other. Or connect the XLRs together and "loop-through" or daisy-chain units. ...
objective measurement
... To verify the simulation we used subjective measurements – audiograms. We used Békésy’s measuring method [1] another methods you can find in Measurement of Hearing Protector Attenuation [2]. Measurements were carried on the person, who records if he/she heard or didn’t hear a sound. If we interconne ...
... To verify the simulation we used subjective measurements – audiograms. We used Békésy’s measuring method [1] another methods you can find in Measurement of Hearing Protector Attenuation [2]. Measurements were carried on the person, who records if he/she heard or didn’t hear a sound. If we interconne ...
TDA7000 RX FM Receiver
... TDA7000 RX FM Receiver My VHF FM Wireless Microphone project became about the most popular of my transmitters, probably because it is so simple. Here is a very simple VHF FM receiver which is little more than a single IC and a "slack handfull" of capacitors. Note that an external amplifier is a real ...
... TDA7000 RX FM Receiver My VHF FM Wireless Microphone project became about the most popular of my transmitters, probably because it is so simple. Here is a very simple VHF FM receiver which is little more than a single IC and a "slack handfull" of capacitors. Note that an external amplifier is a real ...
Paper E1 - Digital Circuits
... A pn-junction diode detector is used to extract the modulated audio signal Basic property of diode – current flows essentially in one direction –ve half-cycles blocked by the diode +ve half-cycles pass unimpeded A capacitor is needed to smooth the resultant rectified waveform Headphones convert ...
... A pn-junction diode detector is used to extract the modulated audio signal Basic property of diode – current flows essentially in one direction –ve half-cycles blocked by the diode +ve half-cycles pass unimpeded A capacitor is needed to smooth the resultant rectified waveform Headphones convert ...
Headphones
Headphones (or ""head-phones"" in the early days of telephony and radio) are a pair of small loudspeakers that are designed to be held in place close to a user's ears. They are electroacoustic transducers, which convert an electrical signal to a corresponding sound in the user's ear. Headphones are designed to allow a single user to listen to an audio source privately, in contrast to a loudspeaker, which emits sound into the open air, allowing anyone nearby to listen. Headphones are also known as earspeakers, earphones or, colloquially, cans. Circumaural and supra-aural headphones use a band over the top of the head to hold the speakers in place. The other type, known as earbuds or earphones consist of individual units that plug into the user's ear canal. In the context of telecommunication, a headset is a combination of headphone and microphone. Headphones either connect directly to a signal source such as an audio amplifier, radio, CD player, portable media player, mobile phone, video game consoles, electronic musical instrument, or use wireless technology such as bluetooth or FM radio. Headphones are made in a range of different audio reproduction quality capabilities. Headsets designed for telephone use typically cannot reproduce sound with the high fidelity of expensive units designed for music listening by audiophiles. Headphones that use cables typically have either a 1/4 inch (6.35mm) or 1/8 inch (3.5mm) phone jack for plugging the headphones into the audio source. As of 2015, most headphones are amplified by a headphone amplifier, either an integrated amplifier (e.g., in an iPod) or a standalone unit.