Remote stepped LADDER NETWORK attenuator w/ source selector

cartman · 26th May 2006, 03:40 PM

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

cartman · 26th May 2006, 03:42 PM

the resistors

cartman · 27th May 2006, 08:50 AM

resistors: RA High-Grade Audio (made in USA)

gift: power transformer

extra: aluminium case front ;-) 10mm!!

cartman · 27th May 2006, 10:46 AM

sorry it's only 5-6mm

cartman · 27th May 2006, 10:47 AM

more

cartman · 27th May 2006, 10:49 AM

again

rick57 · 27th May 2006, 12:22 PM

> Impedance: 100K

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

thanks

cartman · 27th May 2006, 07:29 PM

Hi Rick,

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

Nothing special...

cartman · 27th May 2006, 07:40 PM

output impedance is near constant (50K)

cartman · 28th May 2006, 08:37 AM

sold

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27th May 2006, 08:50 AM	#3
cartman diyAudio Member Join Date: May 2005 Location: Europe	resistors: RA High-Grade Audio (made in USA) gift: power transformer extra: aluminium case front ;-) 10mm!!

27th May 2006, 12:22 PM	#7
rick57 diyAudio Member Join Date: Dec 2002 Location: dry ol Melbourne Australia	> Impedance: 100K How can we determine if it will fit work with a preamp of unknown impedance? thanks

27th May 2006, 07:40 PM	#9
cartman diyAudio Member Join Date: May 2005 Location: Europe	output impedance is near constant (50K)

28th May 2006, 08:37 AM	#10
cartman diyAudio Member Join Date: May 2005 Location: Europe	sold

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