These
highly modified Jolida JD801 amplifiers must be
heard to fully understand their true potential.
Customers and industry professionals have commented
that they have never heard a better sounding
integrated tube unit priced under $5k. These
amplifiers are another Response Audio classic in the
making and quickly becoming our most sought after
product.
With 70
glorious watts of 6550/KT88 tube power, your
speakers and ears will thank you.
International models now available with 220V.
Restrictions apply, please contact for more
information.
NEW STANDARD
FEATURES: April 2006
The
Jolida JD801 now has very convenient LED biasing
as well as one set each Variable (pre/subwoofer)
and Fixed (Tape) outputs.
The
base units used in the Platinum Series 801A
amplifiers are brand new, current production
units that now have LED bias adjustments located
on the top of the chassis for a quick, 5 minute
bias adjustment.
The
modified JD801A's are custom built per order and
are released on a limited basis with a limited
number of pieces available each month.
Below is a list of the upgrades performed on
these units before releasing them to you for
your sonic nirvana.
Platinum Series
JD801A
(a
personal favorite)
-
One Jolida JD801 current production NIB
amplifier.
-
Reference Grade SoniCap Platinum Teflon
capacitors installed in the signal path - 4
pieces
-
Reference Grade SoniCap Gen II ground
capacitors used in signal stage.- 2 pieces
-
Mills
Non-inductive
5
watt, resistors utilized in the grid
stopper location. These combine the
transparency of a good metal film with the
warmth of a good vintage carbon composition
resistor without the noise and drift.
-
Mills 5 watt
non-inductive
resistors replacing the Tube emitter cushion
resistors.
-
Bybee
Quantum Purifiers in B+ Voltage between
mains transformer and rectifying bridge -
OPTIONAL. See pricing below
-
Power supply
filter
capacitors upgraded to higher
capacitance/low ESR pieces (x4 pieces)
-
Sonicap high voltage capacitors used as
bypass units in the power supply
-
Dale/Vishay 1 watt 1%
non-magnetic resistors used throughout the
signal path. We have chosen to replace all
original 1/2 watt pieces with the 1 watt
pieces for a quieter operation.
-
Dale/Vishay
3 watt 1%,
non-magnetic resistors utilized in the bias
stage for lower noise
-
Fairchild
"Ultra Fast - Soft Recovery"
8A diodes are
utilized in the rectifying stage of the
power supply.
-
Alps Blue
volume control
maintained for a smooth presentation
-
Russian 6550 power tubes
-
Russian 6SN7 driver tubes
-
Russian 12AX7WA input tube
-
Subwoofer output optional @ NC (will
sacrifice one input) - NOW STANDARD ON
NEW JD801 Amplifiers
-
Tape output optional @ NC (will sacrifice
one input) - NOW STANDARD ON NEW JD801
Amplifiers
-
WBT Silver solder used throughout
-
Biased then bench tested for 2 hours
-
Minimum 12 hour burn in
-
Labor - 6 hours
-
Warranty - 2 years on amplifier - 90 days on
tubes
What
Some Of Our Customers Are Saying:
.........After playing this new
unit with all my original gear I was stunned.
The mids (especially voice ) grabbed me in the
gut. Sometimes, when I play Miles Davis( the
bitches brew ) I'm stunned with how awe
inspiring the instruments are. If you are
thinking about tubes I'd start talking to Bill
and let him lead u out of the wilderness.
<
READ FULL TEXT >
Bob
Smith of SP
Technology Loudspeakers wrote this, after
listening to our Reference Jolida 801 with
V-Caps at a recent Chicago Audio Society demo:
..........."Also, we absolutely must thank Bill
Baker of Response Audio for building the
incredible sounding Jolida 801's that were used.
I guess its about time I shut up about tube amps
'cause I didn't know what I was talking about in
the past. Those babies were incredible! They
didn't have the mushy low end or edgy highs I've
heard from tube amps in the past. Although I
will make one point in my own defense. I've
always said that there was no reason that tubes
COULDN'T sound as good as S-S, just that few
manufacturers ever make them. Well...Bill's one
that DOES! That thing was one of the best amps
I've ever heard - PERIOD." <
READ FULL TEXT >
Shown below is my personal Reference 801 amp
with Translucent Emerald Green face and tranny
cover top plates. Custom laser engraving has not
yet been done on this piece. Other features in
this amp include remote volume control and a
main-in feature to be used with an outboard
preamp. Now running Valve Art KT88 tubes with
over 1200 hours of use.
The
overall presentation will give you a sense of
realism never experienced in the past.
Use
of only the best available components is
standard practice in the Platinum RA-801A. To
guarantee unsurpassed performance, we use
Reference Grade Teflon capacitors, Mills non-inductive resistors
at the grid locations, Dale/Vishay 1 watt, 1%
Metal Film resistors throughout the signal path,
high purity 24 awg Silver wire for signal
inputs, Fairchild "Ultra Fast-Soft Recovery"
diodes, upgraded power supply filter capacitors,
Electro Harmonix 6550 power output tubes and
much more!!. Please remember each amplifier is
custom built and they take time to manufacture,
but I assure you they are well worth the wait.
Built to provide a lifetime of musical bliss,
the Platinum RA-801A is probably the best
sounding integrated amp on the market today. At
any price.
++++++++++++++++++++++++++
Reference
"Platinum" Cap Mod RA-801A
Due to a
growing number of inquiries, we are now offering
our critical "Cap Mod" version with the SoniCap
Platinum Teflon capacitor. These units address
the most critical areas of the amplifier and
contain the following upgrades
-
One brand new Jolida JD801 amplifier (with
tape and pre/subwoofer output)
-
SoniCap Platinum Teflon capacitors installed
in the signal path - 4 pieces
-
SoniCap
Gen II
capacitors used in the signal ground
locations.- 2 pieces
-
Filter capacitors upgraded to higher
capacitance/low ESR pieces in two stages of
the power supply (x4 pieces)
-
Fairchild "Ultra Fast - Soft Recovery"
Diodes used in the power supply rectifying
stage.
-
SoniCap high voltage capacitors used as
bypass units in the power supply
-
Mills
non-inductive
resistors used in the Grid stop locations
Below,
the Reference RA801 is shown driving a pair of SP
Technologies Continuum speakers at the June 27,
Chicago Audio Society meeting.
