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Old 5th April 2012, 07:06 AM   #111
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Gentlemen,

this round of the group-buy is closed now, and I do not accept further orders.
I will wait until Saturday for the last 3 money transfers and will order the PCBs then.

Find enclosed the current status of the order.

Best regards - Rudi_Ratlos
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Old 7th April 2012, 11:00 AM   #112
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I ordered the PCBs this morning.

I will see if the forecast I did in post #101 will come true.

Best regards - Rudi_Ratlos
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Old 10th April 2012, 01:51 PM   #113
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When I quoted the price for the PCBs, I assumed that I would order about 35-40 PCBs.
The final order is nearly twice as big, and I would be able to offer you the PCBs for some Euros less,
since I am now in a lower price scale of discount.

Instead of refunding you the price difference, I made up my mind and ordered a sufficient amount of Vishay MKP1839 / 1F capacitors
(they are hard to get, believe me) and will put into each letter 1 capacitor per PCB ordered.

I will moreover ship all letters with a destination other than Germany as "insured" letter (if possible).

Best regards - Rudi_Ratlos
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Old 10th April 2012, 02:01 PM   #114
zsaudio is offline zsaudio  Europe
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Rudi,
you are a gentleman.
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Old 10th April 2012, 02:23 PM   #115
mlloyd1 is offline mlloyd1  United States
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indeed. outstanding!

mlloyd1

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Rudi,
you are a gentleman.
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Old 12th April 2012, 08:44 AM   #116
mseidl is offline mseidl  Germany
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is this amp stable to 2 ohms?
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Old 12th April 2012, 09:55 AM   #117
AndrewT is offline AndrewT  Scotland
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do you mean stable as in no oscillation, or do you mean 2r0 capable, as in driving a resistive test load, or do you mean 2ohm speaker capable, as in not overheating and not blowing up when driving a 2ohm speaker loud?
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Old 12th April 2012, 09:56 AM   #118
mseidl is offline mseidl  Germany
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Quote:
Originally Posted by AndrewT View Post
do you mean stable as in no oscillation, or do you mean 2r0 capable, as in driving a resistive test load, or do you mean 2ohm speaker capable, as in not overheating and not blowing up when driving a 2ohm speaker loud?
i mean stable on a <4 ohm speaker load. that it wont over heat or die.
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Old 12th April 2012, 05:34 PM   #119
roender is offline roender  Romania
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Don't worry :-)
This amplifier was successfully tested with Triangle Magellan Cello. If I remember correctly, this high performance speakers have 2.5ohm minimum impedance at around 3.5khz.
I don't have such amount of money to spend on Cello from Triangle, but I was very impressed by the combination.

Last edited by roender; 12th April 2012 at 05:37 PM.
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Old 13th April 2012, 09:00 AM   #120
AndrewT is offline AndrewT  Scotland
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Quote:
Originally Posted by mseidl View Post
i mean stable on a <4 ohm speaker load. that it wont over heat or die.
you should ask:
Is it capable of driving 4ohms speakers, or can it be used to drive 2ohms speakers.

Then we can answer sensibly.
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