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

OTL Asylum

OTL, Output Transformerless Amplifier User Group.

What does the V3 CCS tube become, when the longer chassis silver edition is updated to MK3.3 status? Part of the top of the differential cascode, V2 a or V2b?

Received an used MA-1 silver edition MK3.3 yesterday, trying to figure out each driver tube function. (Believe Chuck was the previous owner).

My understanding of 6SN7 driver tubes layout is (facing amp): left most near power tubes is V4 driver, right to V4 is V2, right to V2 are V1a/V1b running, right most near power supply is V3. There is solid state CCS in MK3.3.

The MA-1s drive Quad 989 beautifully, much better than M60. Much more gain (25db vs 20db), and control.

Thank you

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Topic - What is the function of V3 (CCS tube) in Silver Edition MK3.3 - MP 06:53:39 09/09/23 (4)

RE: What is the function of V3 (CCS tube) in Silver Edition MK3.3 - Ralph 08:55:48 09/11/23 (3)

RE: Thank you so much for the clarification, Ralph. V3--)V1 - MP 13:38:01 09/11/23 (2)

RE: Thank you so much for the clarification, Ralph. V3--)V1 - Ralph 13:52:51 09/11/23 (1)

RE: understand now. Thank you. Ralph. NT - MP 20:17:39 09/11/23 (0)

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