Tube Preamp: How many tubes does it take to .................

My McIntosh Tube Tuner/Preamp has 17 tubes (some for tuner of course).

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This EAR 802 Tube Preamp has 14 tubes (and either MM or MC phono)

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Some have as few as 2 and no mention of Hybrid

Some call themselves Hybrid

What _____________________________?

markw1951 Details Discussions Posts This discussion Message User 51 posts 07-22-2023 at 01:15am Copy Comment URL Report Comment Edit Delete Maybe some engineers get paid by the part.
coppy777 Details Discussions Posts This discussion Message User 141 posts 07-22-2023 at 06:01pm Copy Comment URL Report Comment Edit Delete The Top Conrad-Johnson GAT2 preamp hand only two tubes. One gain tube per channel. A MOSFET at the output of each channel controlled and lowered the output impedance. Their new unit uses four tubes. A cathode follower on each channel replaces the the MOSFET transistor.
luxmancl38 Details Discussions Posts This discussion Message User 580 posts 07-22-2023 at 06:41pm Copy Comment URL Report Comment Edit Delete My current Luxman Cl38u SE has eight tubes five for the preamp and three for the phono. Previously I had a CJ ET3 SE it had only one tube.