Remote stepped LADDER NETWORK attenuator w/ source selector - diyAudio
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Old 26th May 2006, 02:40 PM   #1
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Default Remote stepped LADDER NETWORK attenuator w/ source selector

For sale:

Remote volume control board incl. 4 source selector, using relay (Halcro also use relay on their DA10 pre amp) switching two set of 1/4W RA resistor (made in USA - ladder network).
1dB per step, attenuate from 0dB to -88dB, input impedance is near constant, using 1/4W RAresistors, with four input relay and display, seperated voltage regulator board, with remote control handset, dual mono design, left and right channel fine adjustment.

Impedance: 100K
Source: 4
Mute: Yes
Display: BLUE LED
IR Remote: Yes

I'm asking only $150 (world wide shipped)!!!

board size: L 180mmX W 45mm
dsiplay board: L 230mm X W 52mm
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Old 26th May 2006, 02:42 PM   #2
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the resistors
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Old 27th May 2006, 07:50 AM   #3
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resistors: RA High-Grade Audio (made in USA)

gift: power transformer

extra: aluminium case front ;-) 10mm!!
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Old 27th May 2006, 09:46 AM   #4
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sorry it's only 5-6mm
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Old 27th May 2006, 09:47 AM   #5
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more
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Old 27th May 2006, 09:49 AM   #6
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again
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Old 27th May 2006, 11:22 AM   #7
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> Impedance: 100K

How can we determine if it will fit work with a preamp of unknown impedance?

thanks
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Old 27th May 2006, 06:29 PM   #8
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Hi Rick,

this module does work like a 2x100K log normal pot....and a 4 sources input selector

Nothing special...
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Old 27th May 2006, 06:40 PM   #9
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output impedance is near constant (50K)
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Old 28th May 2006, 07:37 AM   #10
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sold
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