New SDS-XLR PSU

[Rob N]

I only have a rough daswing at present.

[Guest sacd lover]

I only have a rough daswing at present.

So the power supply is using the high power rectifiers with the plate caps?

[Rob N]

So the power supply is using the high power rectifiers with the plate caps?

Yes,but not as big as say the 866

[Rob N]

Should have some pics by next week

[Rob N]

Pics shortly,I hope

[Rob N]

I've ordered a new amp section to go with the power supply

More details on the configuration:-

Power supply:

2 x 45 sec. Delay Relay tubes per power rail with switch for circumventing delay circuit

2 x 323C W.E. rectifier tubes, 2 x 4B27 Tungar tubes with adjustable loading

6 x Voltage regulator tubes 0A3 types, interchangeable with 0C3, 0D3, 0B3

2 x Voltage Pass Regulator tubes

Audio Section:

Drivers selectable between Type 27, 6SN7, 15E, 717 and others with adapters

Output tubes 6SN7, 6BL7

Inputs/outputs/switches

1 pair RCA input

1 pair balanced input

2 pairs Pre-amp out-RCA and balanced

2 pairs loop out - RCA and balanced

Switch between RCA and balanced inputs

2 x Shallco stepped attenuators 45 step 1.5 db per step

Heater voltage switch selection

Voltage selection

Bias selection driver

Bias selection output

Fixed Bias adjust on selection 1 of bais switch

Capacitor bleed tactile button with

W.E. 395a indicator lamp/lock thyratron

[tom_hankins]

Looks like the PS that is almost done on my new Maestro-XLR preamp. I wonder if they are the same tubes? It uses the same tubes that are on the Enigma box Mikhail made for Synergestic Research cable Co. If you dig up pictures of the RMAF this year (singlepower or SR room) your can see the tubes. They are about the size of lightbulbs. I am going to be using the 6sn7s in front 6bl7s on the amp section. Here is lionk to the rooms.

http://live.audiogon.com/events/rmf2007/intr/intro.html

[Rob N]

Looks like the PS that is almost done on my new Maestro-XLR preamp. I wonder if they are the same tubes? It uses the same tubes that are on the Enigma box Mikhail made for Synergestic Research cable Co. If you dig up pictures of the RMAF this year (singlepower or SR room) your can see the tubes. They are about the size of lightbulbs. I am going to be using the 6sn7s in front 6bl7s on the amp section. Here is lionk to the rooms.

http://live.audiogon.com/events/rmf2007/intr/intro.html

The rectifiers in my power supply are the same as in the Enigma,4B27 or WE 323

[tom_hankins]

Rob, My amp section is done and Mikhail is close on the PS. I will send(email) you some impressions and pics if you would like?

[Rob N]

Pics & impressions would be great,thanks

[Icarium]

Nice I love the Enigma's look and tubes.

[tom_hankins]

From my understanding that is a prototype and the finished product will look a little better. I guess the guys at SR cables are very happy with it. Cant wait for preamp to get here. Mikhail sounds very excited about the power supply with those tubes.

[Rob N]

He says that those rectifier tubes make a huge difference.

[Dusty Chalk]

Rob, My amp section is done and Mikhail is close on the PS. I will send(email) you some impressions and pics if you would like?

No, bad. Post publicly, please.

[bhd812]

No, bad. Post publicly, please.

I agree! post pics of that Bad boy!!!!!