Sunvalley SV-S1645 - 45 Tube Amp - Available NOW

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#62
I use plate to plate feedback in all my builds and I will never go back to not using it.

Both Moglia and Broskie have discussed the merits of this type of feedback.

https://www.tubecad.com/march2001/

Feedback can deliver some amazing things: lowering / eliminating noise in the driver stage and lower output impedance.

Lots of people summarily dismiss feedback without ever having heard it done properly.
 
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#70
It is on the way from Nagoya, Japan to Vancouver , Canada

SV-S1645D Specifications​

Power Output: 3W+3W(8Ω, THD10%)
Frequency Response: 10Hz~100kHz(8ohm, -3dB)
Gain: 28dB(8Ω, with first stage ECC81)
Noise floor: 0.5mV(8Ω, input short)
Power Consumption: 0.8A(115V), 0.4A(230V)​



SV-S1645D Specifications​

Power Output: 3W+3W(8Ω, THD10%)​

Frequency Response: 10Hz~100kHz(8ohm, -3dB)​

Gain: 28dB(8Ω, with first stage ECC81)​

Noise floor: 0.5mV(8Ω, input short)​

Power Consumption: 0.8A(115V), 0.4A(230V)​

 
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#71
Hi Victor do you have any other pictures which show the space around the Blue Alps potentiometer. It would be nice to be able to have had room to fit a higher quantity option with out needing to slightly reposition the nearby components.

Best wishes for the New Year
Jamie
 
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