Pair of tube monoblock amps, built by Lance Cochrane.
Chassis are re-purposed Thomas organ amps, retaining the power and output transformers and tube sockets.
Internal components are new and the circuit design is Lance's. Painted in a hammertone copper.
One single-ened input, one pair of binding posts. Power cords are captive/hard wired and appear to be of the
brown extension cord type, 12ft. in length.Tube complement:
(1) 12Axx - any 12Axx type type can be used
(2) 6V6 - 6V6 or 6L6
(1) EZ81/6CA4 - rectifier
Bias is non adjustable. Pics show a can cap, which Lance left for aesthetics. It is in no way active or part of the circuit.
Also. the tube socket in front of the driver tube was retained and used for the purpose of running
the filaments for added tube glow. A waste of precious current, that socket is no longer connected. Includes (2) GE 12AU7s, (4) GE gray glass 6V6GTs, (4) Tung Sol 6V6GT re-issues. 2 pair of rectifiers.
Herbie's tube dampers provided for the 12AU7 tubes. Monoblocks are in good shape, minor paint chipping around the screw holes for the bases. Price: $300, I'll split the shipping cost (US 48 states only), local pickup from 07438 acceptable.
Shipping via UPS. PayPal preferred, check/money order OK but delays shipping until cleared.
Weight is around 20-25 pounds. This is the original copy from Lance's for sale ad:
" This is a pair of handcrafted, hardwired, hand tuned monophonic tube amplifiers designed to
take on all comers. These units can be used with either 6L6 or 6V6. The output stage design
revolved around both rock solid stability and soft, detailed sound. For stability, consider, a stock
Dynaco ST70 will come with about 100mfd of power supply capacitance. These have over 900mfd,
each. That's a lot more than necessary particularly in units that are dead quiet to start. The output stage is set in tetrode with cathode bias/auto bias. That gives the buyer no worries
about what to adjust to keep things in good running shape. The units automatically take care of that
for you. Further, while a 5 to seven watt resistor would suffice quite well and safely to handle the output
bias, a 25 watt model was used. Similarly, all through the units, where such and such would do a good
job over the long term, a heavier part was always used instead to insure fewer issues down the road. The input stage is an autobalance configuration. That guarantees equal drive to each side of the
push pull circuit which gives pin point positioning and solid bass. Expect 25 watts each from these using
6L6. Fifteen each using 6V6. The 6L6 do use more current so the units do run warmer that way but
nothing they weren't designed to do. Most will do just fine with 6V6 but for those that like to play about
there, try both at various times and see what you like. Part of HiFi is personal taste so enjoy yourself here. The rectifier tubes are 6CA4's. Easy to find and inexpensive. Two are included. The input tubes are 12AU7,
all included, though you can use 12AX7 or any of the many other types in the large family of tubes.
Plug in what you like there and have a bit of fun. They all sound somewhat different. "
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