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Hey Fedeb Congratulation on acquiring a pair of Quad II's ... I used to have a pair, with original GEC KT66 power tubes.  They sounded just lovely.  Later I retubed with 6L6's, but which were not quite on par. I think the power amps outshine the 22 control unit, and I rewired the Quad II's for...

Oh yes most certainly. Gain is just right for the output of a MM, and yes you would want to swap that 1k at input for a 47k when using a MM. Normally this circuit would want a step up transformer for use with a MC. But the Denon DL102 mono MC has a health output of 2mV, so it's compatible with...

http://cloud.tapatalk.com/s/58190afe0f3a5/SKMBT_36316103117050.pdf Sent from my ALE-L02 using Tapatalk

Now for the bass boost circuit. You can slot this in-between the second 7F7 stage and the 7A4 cathode follower output stage. The circuit is taken from the Angelfire web page discussion of tube tone controls. I redesigned the circuit for use with a 7A4 gain stage, instead of the 12AU7 shown by...

http://cloud.tapatalk.com/s/581904d252b22/SKMBT_36316103117042.pdf Sent from my ALE-L02 using Tapatalk

I've got a great dedicated MonoPhono stage on the go here. I have decided to name it Daedalus ... "Daedalus was a craftsman and artist in Greek mythology, who had two sons, Icarus and Iapyx. He is best known as the creator of the Labyrinth, a huge maze located under the court of King Minos of...

http://cloud.tapatalk.com/s/58177e7fb3127/SKMBT_36316103117051.pdf I built this regenerated supply for my 401 some 10 to 15years ago .. it uses wein bridge similar to the Loricraft offering .. it puts our a solid 180v dc and greatly reduces motor vibration. But honestly, since I've built the...

Hey Charles I have a hamertone gray 301, with grease bearing ... only it sounds poor because the isolation springs on the motor are not in a good way, also lacking the rubber dampers ... and the springs for the arm that adjusts speed are missing. Possibly new springs are required. I would love...

Hi Agaton I must apologize, I was uploading pics for the first time with Tapatalk, and placed them on the wrong thread, cos I was confused by the software. The schematics for the PP300b are for Fredeb, and should have been posted on his thread '5C3S vs 5AR4' Wow such lovely pics of your...

Sorry The last three not do good cos they was drawn in pencil .. but I think u can read them still ! :) Sent from my ALE-L02 using Tapatalk

Sent from my ALE-L02 using Tapatalk

Sent from my ALE-L02 using Tapatalk

Sent from my ALE-L02 using Tapatalk

Now here are schematics for your PP300b, the audio circuit, the power supply, and my sheet with test voltages Sent from my ALE-L02 using Tapatalk

As explained I built this as a PP6A3 ... The 6A3 is a 6.3v filament version of the 2A3 You can still see my post on line for this amp at www.vt52.com ... click on DIY Corner, then The DIY page Sent from my ALE-L02 using Tapatalk

And this the power supply Sent from my ALE-L02 using Tapatalk

Ok this is the original PP2A3 what started it all!! Design by Michel Paquette .. I down loaded it from the net, but it's not on line anymore I just took there on my cel phone camera .. hope they ok .. I could scan n email to you if you prefer. Sent from my ALE-L02 using Tapatalk

Aha ... figured it out now!!! ... easy with Tapatalk ... ill scan n upload lata!

Sent from my ALE-L02 using Tapatalk

Ooops I am still struggling ... I see there is an 'insert image tab', and an 'insert hyperlink' tab  ... which to use? Lets say the image is on my face book ... can I paste the link between []  []  from either of these tabs? I tried both ... but when I try to preview nothing shows up?