Would a 396A or 2C51 drive a 45?

DHT112A · 28th August 2007, 07:08 PM

Can anyone offer any advice?

Miles Prower · 28th August 2007, 10:16 PM

Can't dig up any details on the 396A, but it looks like a 2C51 is doable if you keep the 45 out of Class A2/AB2 operation. If you don't, then you'll need a stiffer driver.

The 45 doesn't look like a particularly difficult load.

arnoldc · 28th August 2007, 11:42 PM

I believe it will...

I have most of the "family" - 407A (Western Electric, RCA), 407B (Western Electric), 2C51 (Raytheon), 396A (Western Electric), but no 5670

I'm using a 2C51 to drive my Darling amp. I chose the following operating points- Vp=160V, Ip=8mA,Ra=10K,Rk=440R,Vbias=-3.5

I suggest you try it and then modify it later to suit your needs.

ps.

I also used this as a preamp, and is 2nd in sonics following my 26 DHT preamp. You may want to see how I made one.

28th August 2007, 07:08 PM	#1
DHT112A diyAudio Member Join Date: Jun 2005 Location: Tacoma , WA	Would a 396A or 2C51 drive a 45? Can anyone offer any advice?

28th August 2007, 10:16 PM	#2
Miles Prower diyAudio Member Join Date: May 2005 Location: USA Blog Entries: 2	Can't dig up any details on the 396A, but it looks like a 2C51 is doable if you keep the 45 out of Class A2/AB2 operation. If you don't, then you'll need a stiffer driver. The 45 doesn't look like a particularly difficult load. __________________ There are no foxes in atheistholes www.dolphin-hsl.com

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28th August 2007, 11:42 PM	#3
arnoldc diyAudio Member Join Date: Apr 2003 Location: Makati	I believe it will... I have most of the "family" - 407A (Western Electric, RCA), 407B (Western Electric), 2C51 (Raytheon), 396A (Western Electric), but no 5670 I'm using a 2C51 to drive my Darling amp. I chose the following operating points- Vp=160V, Ip=8mA,Ra=10K,Rk=440R,Vbias=-3.5 I suggest you try it and then modify it later to suit your needs. ps. I also used this as a preamp, and is 2nd in sonics following my 26 DHT preamp. You may want to see how I made one.

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