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OLDER DECWARE GEAR SUPPORT >> CSP, CSP2, CSP2+ >> Plate Voltage of 6N1P tubes
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Message started by Lord Soth on 12/30/11 at 17:50:35

Title: Plate Voltage of 6N1P tubes
Post by Lord Soth on 12/30/11 at 17:50:35

Dear Steve,

What is the plate voltage of the 6N1P tubes (input and driver position) in your CSP2+ amp?

The reason why I'm asking is because I have a vacuum tube tester which allows me to set the plate voltage for the tubes being tested.

Thanks! :)

Title: Re: Plate Voltage of 6N1P tubes
Post by Rivieraranch on 12/31/11 at 04:06:46

Don't know if this would help

General characteristics (by UH=6.3V, UA=250V, RK=600
Ohm):
Type 6N1P 6N1PVI 6N1PEV
Filament (heater) current, mA 600 50 600 50 600 50
Anode current, mA 5,6 - 10,5 7,5 1,5 7,5 1,5
Reverse grid current, mkA 1 0,5 0,2
Dissipate cathode-heater current, mkA 15 15 12
Mutual conductance, mA/V 4,5 1,0 4,45 0,65 4,5 0,8
Gain coefficient 35 7 35 7 35 7
Input resistance (by f=60 MHz), Kohm
Equivalent noise resistance, Kohm
Vibration noise (by RA=2 KOhm), mV 100 80 50
Inter electrode capacitance, pF:
input 3,11,1 3,30,9 3,050,55
output 1st triode 1.60.5 1.750.5 1.750.5
output 2nd triode 1.70.5 1.950.5 1.750.5
transfer 1.852.2 2.6 2.6
Operation period, hrs 3000 3000 5000
Limited operating values:
Type 6N1P 6N1PVI 6N1PEV
Filament voltage, V 5,7-7 5,7-7 6-6.6
Anode voltage, V 300 300 250

Title: Re: Plate Voltage of 6N1P tubes
Post by Lord Soth on 12/31/11 at 15:29:03

Hi Rivieraranch,

What I meant to ask was the actual plate (anode) voltage used by the CSP2+ amp for the 6N1P tubes.

From the data sheets, the max anode voltage is 300V. H/W, amp designers can choose any amount up to the max specified amount.

I think I'll send an e-mail to Steve about this question.

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