LL1 Dual Mono 4 Chassis Preamplifier-Review

Jan 29, 2012
1,188
313
83
#21
Well , after over a year with my LAMMs, the LL1.1and 4x M2.2s, I wonder how any tube rolling on either would improve what I consider, humbly, a genuinely beguiling sound- any thoughts and sources of reliable tubes?
Jack recommended the Amperex 7308 for the M2.2's and I have to say its a wonderful an inexpensive upgrade. I noticed improved smoothness and a deeper sound stage.
 

JackD201

[WBF Founding Member]
Apr 21, 2010
11,264
238
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Manila, Philippines
#22
Glad they worked out for you Jeff :D

As for the LL1, I would trust in Vladimir's stash of DRs and if I ever get the chance to own LL1s, I'd likely only source tubes for them from Lamm, same as the 6c33s. All non-Lamm sourced 6c33s on my ML1.1s failed miserably.
 

Steve Williams

Site Founder, Site Owner, Administrator
#24
Glad they worked out for you Jeff :D

As for the LL1, I would trust in Vladimir's stash of DRs and if I ever get the chance to own LL1s, I'd likely only source tubes for them from Lamm, same as the 6c33s. All non-Lamm sourced 6c33s on my ML1.1s failed miserably.
Totally agree

When it comes to the Signature series ML3, LL1 and LP1 the only tube I have ever rolled is the 12AX7 tube in the ML3 where I use a Telefunken ECC803S NOS
 

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