OTL Asylum

RE: What is the function of V3 (CCS tube) in Silver Edition MK3.3

75.168.126.122

Ralph

M

In Reply to: RE: What is the function of V3 (CCS tube) in Silver Edition MK3.3 posted by MP on September 09, 2023 at 06:53:39

The CCS is replaced by a solid state circuit in the Mk3.3.

This leaves a socket available. We put in parallel with the other two input tubes in the amp, so three 6SN7s are this in parallel at the bottom of the differential cascode circuit. This allows them to drive the top tube with greater ease. The differential effect is improved, distortion is reduced and bandwidth is improved.

Follow Ups:

RE: Thank you so much for the clarification, Ralph. V3--)V1 - MP 13:38:01 09/11/23 (2)
Do I understand the drivers in the MK 3.3 correctively, in old model terms?

MA-1: first three 6SN7s are V1, 4th 6SN7 is V2, and 5th 6SN7 is V4 the driver.

M-60: first two 6SN7s are V1, 3rd 6SN7 is V2, and 4th 6SN7 is V4 the driver.

S30: first 6SN7 is V1, 2nd 6SN7 is V2, and 3rd 6SN7 is the driver. There was never a CCS tube in S30.
- RE: Thank you so much for the clarification, Ralph. V3--)V1 - Ralph 13:52:51 09/11/23 (1)
  The S-30 now has a solid state CCS.
  
  The middle tube in the rear of the newer M-60s is V2.
  - RE: understand now. Thank you. Ralph. NT - MP 20:17:39 09/11/23 (0)
    NT

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