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Blues Jr point to point mod
NEW DOWNLOAD
The new Torres
Engineering Blues Jr. Point to point rebuild DOWNLOAD

Everyone, all over the
world, has been asking for a real high quality rebuild for this
convenient little amp.
he Fender Blues Jr. is
a nice size and useful power range, a great platform to make a cool
high performance amp at a great price.
Our new point to point
super clean layout mod is built on a vintage style terminal board for
true point to point performance.
Parts are the best
possible, audiophile capacitors, carbon comp resistors, switchcraft
jacks (no more plastic junk) and new ceramic tube sockets throughout.
Circuit
design:
The Blues Jr. stock
circuit is sort of a "crippled boogie" with an extra gain stage built
in but not used very well, a solid state reverb (yechh!) and
"economical" parts throughout. The circuit is somewhat "boxy" and
constrained to many musicians ears too.
Our new circuit adds an
extra preamp tube plus a fantastic sounding tube driven reverb complete with Torres custom made
reverb transformer, takes better advantage of the extra gain stage, has
a complete redesign of the fat switch for DOUBLE the boost on the
footswitch, a new "ultra frequency" phase inverter for far more tonal
range, a new Torres
Dual Stage Master
(much better then the primitive master used) and an all new tone
circuit for a bigger, more open tone - a classic Fender tone with lots
more "guts" (based
on the "Brown Fender" early Pre CBS amp tone circuit with a tapped
treble pot.)
Also included are push pull midrange boost and
push pull gain boost controls
and A TORRES
CUSTOM DESIGN WEBER COPPER CAP CHASSIS MOUNT TUBE RECTIFIER. The power tubes are changed
over to Class A cathode bias for tons of sustain and warmth.
Noise
reduction: unbelievable!
The Preamp tubes are put
on "DC filaments" the quietest high tech way to run the tubes. Noise
floor is so low you can not tell the amp is on.
The power supply has
much larger filter caps (and more of them) and a choke/inductor is
added in place of the less effective resistor.
This is a completely new
amp with tonal character to match and beat the best boutique amps and
even blow away classic super expensive pre CBS Fenders.
This amp is very famous nation-wide and world wide for tone, punch and
performance. One of the best amps there is.
It has tone for everyone
- fantastic clean tones, full and rich, with big bottom end and sweet
highs, fantastic blues tone, singing and with slight breakup, rock-on
rock tone with big bad crunch and monster sustain - and beyond with all
the gain boosts engaged - tons of drive!!
The doubled up fat
switch gives you a great
rhythm to lead boost
still footswichable like the original
The improved hardware gets rid of the undependable
plastic jacks
on input and speaker! (we have actually seen blues jr's come in for
repair that had the speaker jacks fail - wow, is that dangerous for
your amp)
The added preamp tube is
a 5751 for the Classic modern sweet tone but all tube sockets are wired
to take any preamp tube. 12AX7, 12AT7, 12AY7, 12AU7, 5751, 7025, 12AV7,
12AZ7 etc. anything you want to experiment with.
The EL84 power tubes are
in ceramic sockets to help with heat build up and are wired as Class A cathode bias - some call it automatic bias -
Cathode bias has really incredible sustain and slight compression for a
much more musical amp. it also does "set itself" to a degree making
bias adjustment not as much of a concern as the stock amp.
Plate voltage is
actually INCREASED in the amp with some very tricky "secret transformer
knowledge"
All controls remain the
same and the front panel layout is exactly the same. It uses your
original faceplate.
The Copper Cap rectifier
tube also adds compression and sustain and is a high tech add on for
the amp circuit providing really great performance and endless life.
the
kit below includes all the parts, layout and instructions to
rebuild your
Blues Jr. all new pots, tube sockets, power supply, point to
point
circuit board, capacitors, carbon comp resistors, jacks and hardware.
You use your existing on-off switch, TUBES and transformers.
an all new reverb
transformer interfaces the existing reverb to a TUBE CIRCUIT
for incredible reverb tone
Overall one of our best rebuild
designs ever. check it out. This is a high-skill level mod.
you should have good experience building and working on tube amps and
have very good assembly, electronic and soldering skills. Not a beginner project.
This kit is a little bit tough to do. follow the drawings
very accurately or it will not come out.
requires drilling and
installing quite a bit of hardware.
this is the kit and download
version of our
in-shop modification .
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FREE
SHIPPING ON ANY ORDER OVER $60.00 - FREE! (in the U.S. only
NOTICE - THE ORANGE
DROP CAPACITORS USED IN OUR KITS HAVE BEEN 100% DISCONTINUED BY THE
MANFACTURER FOR EVER. THEY WILL NEVER BE MADE IN THE U.S. AGAIN
HIGH
QUALITY Mallory Tubular Capacitors will be included in your kit
we
apolgize for this, but no one anywhere was warned or informed in any
way prior to discontinuance.
We can install any and all of our
kits in our custom workshop - email for info.
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