2. amps-preamps
  3. 185499-132884

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

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

https://www.ebay.com/itm/275808078607?mkevt=1&mkcid=1&mkrid=711-53200-19255-0&campid=5338381866&toolid=10001&customid=2bcceb8a-2310-11ee-a804-333735616563

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

https://www.ebay.com/itm/275949778364?mkevt=1&mkcid=1&mkrid=711-53200-19255-0&campid=5338381866&toolid=10001&customid=a2033c2a-230e-11ee-a2d3-636437633039

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Some have as few as 2 and no mention of Hybrid

Some call themselves Hybrid

What _____________________________?

 

elliottbnewcombjr
elliottbnewcombjr OP
5,373 posts
 

Newer with Remote, only 4 tubes

 

https://www.ebay.com/itm/334923249976?hash=item4dfafb3938:g:4qoAAOSwsqtklgRj&amdata=enc%3AAQAIAAAA4E4yvptAeW4vI%2FBB4CBl4cBqzeniDLVhnfzCAwRyuqkLWyznA2s0UH9rUWpOnFTiFz4O3psenrJWRzCXUS9LTfUwtPOtCx7idyxO10q4QeFC7rA2RmFi7pbD9Tfl8%2B0iAz5bIBnHZQ1jA7JzpPPqIMcxjehRvtAojjg14IKThgzl9Xn9iFcvkJ19DV5ieZ%2F8uPtUMTDzwlwAVnBo4CRRIpSUzL5a%2FrDxt5ewKjoCM8wMQntyhV5joo07zWqfvEgIgJs0S2jnQGAHT13fuj0EykV%2BHGDDJvFDlmNw2RNUp9WD%7Ctkp%3ABk9SR4St_JurYg

 

jetter
3,033 posts
 

@elliottbnewcombjr

Thanks for starting this thread.  I have always wondered what having more than two tubes in a line stage accomplishes but never got around to asking.

When I mention two tubes, I am assuming the preamp does not use a tube rectifier.

elliottbnewcombjr OP
5,373 posts
 

Marantz 7 has 6 tubes

 

https://www.ebay.com/itm/235050467817?hash=item36ba1981e9:g:qf4AAOSwotVkeUX0&amdata=enc%3AAQAIAAAA4OsJ%2FqRNXpmTqiSZ%2BWWZ5%2BeLl7Oqf2xpH4oqR847FbwxH%2BU3OBwodaFzksHfhw10tiDbr5QppkWhwc2kKbXUY%2BrPpKZzxJ9RiKHuch7ZOapwk%2FcS%2FjYAGT45PQi25YiGD8rHMGI9B721wCF9re2jXYixV5vqDxthjAb6AlQeArf3fn82gYEc8Ltb7JggsCyXjgGOjQL8mdKZH28w%2BZxdOM6t27RKR1kCS4FbBAzCRk8uJsZ4wP1Q7oziDVzzxiOx0bgiJ%2BbipgO4Op55Hx%2BjyJTWhXAndDnmHKtdcvMZQrJ6%7Ctkp%3ABk9SR9C6452rYg

 

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