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Relay-Controlled Volume - The Ultimate Solution for …
https://benchmarkmedia.com/blogs/application_notes/benchmarks-256-step-relay-controlled-attenuator
Benchmark has introduced a new analog-to-analog volume control circuit that features a 256-step relay-controlled attenuator and a 16-step relay …
Audio Volume Relay Attenuator with IR Control
http://www.vaneijndhoven.net/jos/switchr/design.html
A stepwise volume control is implemented with a set of tiny relays and resistors. In a high-end audio system, a noticable sound improvement over potentiomeneters is obtained, also compared to 'audio grade' potentiometers. Its IR remote control …
Audio Volume Relay Attenuator with IR Control
http://circuit-zone.com/?electronic_project=92
A stepwise volume control is implemented with a set of tiny relays and RN60D / RN55D Dale resistors. In a high-end audio system, a noticeable sound improvement over potentiometers is obtained, also compared to 'audio grade' potentiometers. Its IR remote control provides convenience over solutions with stepped attenuator rotary switches.
Relay Resistor Switch Networks for Audio Volume Control ...
https://www.audiosciencereview.com/forum/index.php?threads/relay-resistor-switch-networks-for-audio-volume-control-operation-and-stuff.27944/
We are often seeing and commenting on relay controlled volume controls and some peeps including myself have no idea how they operate so here's a thread on them. Here is a audio volume relay attenuator with IR control for more reference. This circuit is similar to what is implemented in...
relay volume control | diyAudio
https://www.diyaudio.com/community/threads/relay-volume-control.361973/
Straubing. 2020-10-23 11:54 am. #2. 2020-10-23 11:54 am. #2. You can have a look here: schematic.pdf * master * Jurgen Herrmann / VolCtrlDR * GitLab. The project is basically A BPPBP (preamp by Bruno Putzeys) with relay volume control (0 to -63dB). The whole repository including Kicad files is here: Projects * Jurgen Herrmann / VolCtrlDR * GitLab.
Resistor volume control 256 steps unbalanced ... - JIMS Audio
https://jimsaudio.com/resistor-volume-control-256-steps-unbalanced-stereo-w-highly-reliable-relays/
This is the latest incarnation of our resistor step volume control that can get to a fine adjustment of 256 steps ! It is an assembled kit, with the control done by a number of resistors and relays to complete the switch combination for minimal noise and distortion. This is an unbalanced version for users who do not need full balance connection.
Volume controls - PS Audio
https://www.psaudio.com/pauls-posts/volume-controls-2/
I built my own volume control. It consists of metal film resistors combined in parallel series and shunt combinations, switched by the world’s cleanest relays. Because there are only seven DPDT relays, the transfer function is highly non-linear and non-monotonic.
Audio Volume Controls | Proficient
https://proficientaudio.com/electronics/volume-control-for-speakers/
Proficient audio volume controls feature a quick and secure wire connecting system allowing for high-quality audio, that you get to control. 60-Watt Impedance-Balancing Volume Ctrl. Includes White, Bone and Almd Plates, Inserts and Knobs. 60-Watt Weather-Resistant Volume Control Sealed Against Dust and Moisture. Available in Gray.
Volume Controls - OSD Audio
https://www.osdaudio.com/mm5/graphics/pdfs/volume-control-quick-tips.pdf
The SVC100 Volume control is used to connect the two pairs of 6.5” in‐ceiling speakers both rated at 8 ohm. When wired in parallel the impedance becomes 4 Ohm (8Ω/2 = 4Ω). The Impedance matching VC jumper switch is set to 2X. This doubles the 4 ohm setting back to the 8 ohm that is optimum for the performance of the AMP120.
Resistor-Switch Attenuator Networks for Audio Volume Control
http://www.eijndhoven.net/jos/switchr/index.html
Relays For high-end audio application, you need good quality small-signal relays. Some older, larger, relays which I had lying around did not perform satisfactory. These small (DIP) relays behave nicely transparent. for prices between $1.50 and $7 (for instance For a stereo 32-step 'logarithmic ladder' you would need only 5 of these.
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