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Relay Attenuator 10k Stereo - Raspberry Pi audio DACs ...
https://www.allo.com/sparky/relay-attenuator.html
Relay Attenuator for Piano, Piano 2.1, Boss DACs. Nominal value is 10k. Simply plug in above your DAC and then take the output attenuated by relays switching, to thin film 0.1% 25ppm SUSUMU audio grade resistors. Relay Attenuator Measurements and Graph V3_080617 (Excel File)
Elma Relay Attenuator switch, 2 Channels ... - Fidelity-Audio
https://www.fidelity-audio.com/Elma-Relay-Attenuator-switch-2-Channels-up-to-64-steps_2
The Relay Attenuator (new Version) is an extremely versatile ladder type, 6-stage stereo attenuator with constant input impedance featuring 33 attenuation positions with infinite or 64 positions without infinite. The Relay Attenuator can also set to work as Relay Selector switch.
Audio Volume Relay Attenuator with IR Control
http://circuit-zone.com/?electronic_project=92
Compact and simple circuit with just 6 tiny relays implement a 64-step logarithmic stereo attenuator. The 64 steps of 1.0dB together span a 63dB audio attenuation range. By avoiding any active electronics, a very clean and open …
Audio Volume Relay Attenuator with IR Control
http://www.vaneijndhoven.net/jos/switchr/design.html
Compact and simple circuit: just 6 tiny relays implement a 64-step logarithmic stereo attenuator. The 64 steps of 1.0dB together span a 63dB audio attenuation range. By avoiding any active electronics, a very clean and open sound is maintained. An IR receiver allows remote control. The device can learn and store your favorite key codes.
Elma X4 Audio relay attenuator switch
https://www.don-audio.com/Elma-X4-Audio-relay-attenuator-switch
The X4-Audio switch is a high performance relay volume control attenuator with 24 or 64 positions that incorporates 6 relay driven ladder stages The attenuation is ranging over 64 positions (the 64 positions standard version comes without indexing). The attenuation function can be controlled by the front panel rotary switch or by an IR remote unit.
Audio Volume Relay Attenuator with IR Control ...
https://www.electronicsinfoline.com/pin/5351/
Audio Volume Relay Attenuator with IR Control. Previous Post Next Post. BROWSE. Just 5 tiny relays implement a 32-step logarithmic stereo attenuator. The 32 steps of 1.7dB together span a 54dB attenuator range. Only a single IC controls and drives the circuit. An IR receiver allows remote control. The device can learn and store your favorite ...
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