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- SA-3000 Upgrades
"Occasionally,
I sit down in front of my system to marvel at its detail retrieval,
sound staging, imaging, and depth. The SA-3000 is now at least the
equal and usually superior to other preamps that I have heard. For me
the test is musical enjoyment when simply in the room or the next room,
and in this respect the upgraded Counterpoint SA-3000 easily wins.
"So
for a few thousand dollars in upgrades spread out over several years, I
ended up with a preamp that produces music with unmatched transparency,
smoothness without loss of frequency extension. In short, a
preamplifier that is "musical" without suffering from the colorations
that that term seems to imply."
-- Joe Duray
(Excerpted from Joe's full review on the testimonials page)
- "Whoa!
What a difference. I've had my SA-3000 (Line Stage, Power Supply Level
II, Phono Stage upgrades) back in my system now for about a month and
I'm more impressed with it every time I sit down to listen. Everything
is right there in spades! The image, the detail, the harmonics, all of
it. I'm also very impressed with the way it sounds at low volume levels
. . . ."
-- Michael Grove
"You modified the line stage of an SA-3000
preamp and the results were quite amazing. Together, the `line stage
passives' and `purity' modifications, along with the bypass of the
solid stage buffer in the output, have resulted in a grain-free,
unrestrained sound."
--Tom Schuman
"I've been listening to my upgraded SA-3000A
preamp as often as possible over the past three weeks. I've found that
trying to hear differences among audio gear (except, perhaps, for
loudspeakers) is usually difficult. However, in this case the changes
rendered were not subtle. I'm glad you convinced me to go with the
upgrades - I now have a "new" and vastly superior preamp to what I
thought was already a good unit and sound."
-- John Serocki
(Read more about these mini-reviews on the testimonials page.)
I designed the SA-3000 in 1989 and I'm pleased to have an
opportunity to go back and develop some upgrades for this versatile
little preamplifier. Like all the Counterpoint designs, it used
reasonably-good sounding components for the price, but in my custom
shop we can do a lot better.
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| Here
is a completely-upgraded SA-3000. It has the Premium Line Stage
upgrade, the Phono Stage Premium upgrade with MC transformers, and the Level III Power Supply
upgrade, an upgraded balance control, the DACT volume control with remote, and upgraded RCA jacks. This preamplifier is state of the art in every sense of the word, using parts you just can't find in retail preamps. (Instrument courtesy Mr. S. Smith, AR.) Click on image for larger view. |
The Upgrades:
Line Stage Upgrades (Basic and Premium)
Line Stage Direct Out Mod
Power Supply Level I Upgrade
Power Supply Level II Upgrade
Power Supply Power Transformer Upgrade
Phono Stage Upgrades (Basic and Premium)
Option: Transformer MC Inputs
Option: Upgraded Power Umbilical
Option: Upgraded Volume and Balance Controls NOW with DACT and Remote Control options
Option: Upgraded RCA Jacks
Option: Circuit Board Damping
Option: Upgrade Tubes
Line Stage Upgrades -- This is the place to start -- all the signals go through the line stage.
- LSP Standard Upgrade. I
replace the tube's grid bias, plate load, and buildout resistors with
Caddock Tetrinox film and Mills Non-inductive wirewound resistors; and
I upgrade the input and output coupling caps from the dry,
colored-sounding IAR parts to liquid and open-sounding TRT Dynamicaps.
I eliminate the field efect transistor from the line stage signal path.
Quality of local energy storage is improved considerably by removing
the stock WIMA polypropylene local power supply bypass caps and
upgrading them to Dynamicaps.
Price for SA-3000 "LSP" Standard Upgrade: $800
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LSP Premium Upgrade. Just like the standard LSP upgrade, but using Continental Capacitors' fine oil-filled power supply bypass caps and Texas Components' fantastic TX2575 z-foil "naked" Vishay resistors for the grid input and plate buildout resistors. This is a richer, more liquid-sounding version of the upgrade.
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Price for SA-3000 "LSP Premium" Upgrade: $1200
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Note: The Premium GOLD upgrade for the Line Stage has been discontinued
because the Premium upgrade, with its Dynamicaps, out-performs it.
SA-3000 "Direct Out" Mod. This is an additional mod you can have done to the line section. I strongly
recommend having this mod done because unless you plan on driving
100-foot interconnects, the solid-state output buffers can be
disconnected. They color the sound, adding a noticeable solid-state
graininess and hard edge. I install larger output coupling capacitors,
to allow the tube to directly drive your power amplifier.
Price for SA-3000 "Direct Out" Upgrade: Add $110
SA-3000 Power Supply Upgrades. Every bit of audio you run through the preamp will benefit from sweeter-sounding power.
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- I offer two levels of upgrade for the SA-3000's power supply, for different budgets and listening preferences.
- Power Supply Level I Upgrade.
The solid-state high voltage power supply in the SA-3000 provides the
power the tubes use to amplify the signal. Though the stock circuit
accomplishes the job of regulating the voltage, it sounds substantially
better when upgraded. This upgrade is similar to the Line Stage
Passives upgrade, the Level I Upgrade improves the many of the power
supply's resistors and capacitors, upgrades several solid-state parts
with high-gain Zetex transistors, and -- most importantly -- replaces
several key electrolytic capacitors with Continental, Nichicon MUSE and Dynamicaps capacitors. A very audible improvement in richness and clarity with a greatly reduced transistor edginess.
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Price for SA-3000 Power Supply Level I Upgrade: $1375
Add setup fee to this price if not done with an "LSP" upgrade.)
- Power Supply Level II Upgrade.
It's like the Level I Upgrade but with better components,and with more
components upgraded. You don't need to buy a Level I if you opt for
this upgrade. This upgrade goes much deeper, with more components
upgraded, and more expensive components used in upgrading, like
replacing the main storage electrolytic with a Continental Capacitor Type A part, for a quieter background and silkier highs, extensive use of Texas Components' super-neutral TX2575 z-foil "naked" Vishay resistors, and replacement of the rectifier tube socket with a gold-pin ceramic version along with rewiring so ti can take 6BW4 type rectifiers
in addition to the stock 6CA4/6V4 tube. Additionally, the voltage
reference is changed from a string of solid-state diodes to a single,
neutral-sounding resistor. The net result of all these improvements is
an amazingly luscious, detailed sound with deeper bass.
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Price for SA-3000 Power Supply Level II Upgrade: $1520
Add setup fee to this price if not done with an "LSP" upgrade.)
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| Another seriously-upgraded SA-3000. Note hole for optional remote volume control receiver above volume control knob. (Instrument property of Mr. J. Hoy.) |
Power Supply Transformer Upgrade. The SA-3000 responds beautifully to the sonice benefits offered by a Plitron toroidal transformer upgrade. The new transformer is too large to fit in the original box, so a new box has to be fabricated.
New transformer box to house upgrade transformer. (Instrument property of Mr. J. Hoy.) |
Price for SA-3000 Power Supply Transformer Upgrade: $450
(Price includes upgrade transformer)
Add setup fee to this price if not done with an "LSP" upgrade. If the connector on your umbilical is molded-on, or if there isn't one, the connector will need to be replaced, see the Umbilicals page for more details.)
SA-3000 Phono Stage Upgrades.
SA-3000 Basic Phono Stage Upgrade.
What's good for the line stage is superb for the phono stage, where the
using high-quality components really shines, especially in the first
stage and riaa de-emphasis network where high-frequency energy levels
are extremely high. Upgrading the phono stage is more costly than
upgrading the line stage because it is over twice as complex, but the
increase is sound purity, imaging precision, air and musicality, is
readily apparent. During the process, I remove a lot of solid-state
parts from the signal path, including two solid-state buffers per
channel, and one JFET per channel -- these are no longer the '80's, and
no one cares that these parts resulted in better measurement
specifications--the bottom line is that with these parts out and 21st
century part in, the phono section simply sounds better: more musical,
tubelike and liquid.
Price for SA-3000 Basic Phono Stage Upgrade: $1100
(add setup fee this price if not done with an "LSP" upgrade)
Phono Stage Premium Upgrade. Just like the standard LSP upgrade, but using Continental Capacitors' fine oil-filled power supply bypass caps and Texas Components' fantastic TX2575 z-foil "naked" Vishay resistors for the grid input and plate buildout resistors. This is a richer, more liquid-sounding version of the upgrade.
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Price for SA-3000 Phono Stage Premium" Upgrade: $1400
Phono Option : Transformer Step-up MC Input. Natural sound with no transistor interface -- for the listener who wants the best possible sound for MC cartridges.
The
original SA-3000 has both MM and MC inputs and uses a JFET (junction
field-effect transistor) for the MC step-up. JFETs, like all
transistors, have their own sonic signature. It's not bad, it's not
real transistory, but it's not as smooth and sweet as a tube.
It is possible to eliminate the JFET from the
MC signal path and use a transformer as an MC step-up device. We use
transformers designed expressly for this purpose by Sowter.* Their model 8055 is spectacular-sounding.
(Click here to read more about why transformers are your best choice for MC step-up, and here to read my listening notes.)
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| MC Stepup
transformers (the two smaller cylinders to the left of the Continental Capacitor) on the rear eliminate the original transistor step-up
circuit, providing liquid sound. (Instrument courtesy S. Smith.) |
There are two ways the SA-3000 can be modified to use MC stepup transformers:
1. For The Fellow That Knows What He Wants:
The original MC step-up JFET is removed from the input stage and
replaced with a pair of MC transformers. The MM inputs remain available
for MM use. Not only does the flexibility of the preamp remain
unchanged, there is an additional benefit even when listening to MM
cartridges! This is because even when in MM mode, the SA-3000's MC JFET
is connected from the tube cathode to ground. It's biased fully "on"
and "looks like" a pure resistance to the phono tube, but as we know,
using the very best-sounding resistors is important in an audio product
and that JFET in the tube's cathode circuit is not a great-sounding
resistor. By installing an MC transformer and removing the MC JFET,
both the MC and the MM inputs benefit.
2. For The Man Who Is Afraid To Commit:
If you know you will not be using an MM cartridge, we can keep the
existing MC input jacks and their associated JFET step up circuitry.
But we take the MM jacks and connect then to a pair of MC transformers.
Both sets of inputs become MC inputs, and both are available for use
(using the internal MC/MM switch to select between them). One set
provides gain via a JFET, and one via the new transformers. However
please note that unlike the option above, the original MC JFET which is
located between the input tube's cathode and ground in a classic
cascode circuit, is not removed. When the SA-3000 is in MC mode, the MC
cartridge signal comes to the JFET which provides low-noise signal
gain, driving the tube through its cathode. But even when we select the
MM (new tranformer-driven MC inputs) that JFET is still in the tube's
cathode. It is biased on so hard that it looks like a resistor so it should
not color the sound . . . but you can still hear the its subtle
"JFET-y" sound: a slight brightening, a slight grain and mist on the
treble.
Price for SA-3000 MC Transformer Inputs (either way):
$320 for the transformers, and $460 for installation.
(Add setup fee to
this price if not done with a Basic upgrade. We can accomodate nearly
all MC loading requirements when the upgrade is performed. Contact me
for details.)
Click here to find out which Jensen transformer is right for your MC cartridge.
* If
you'd like to provide your own MC step-up transformers, please contact
us. We need to check for fit and compatibility and if we can install
the parts, deduct $224 from the cost of this option.
Other Upgrades.
Upgraded Power Supply Umbilical Cord.
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| You
know how a good interconnect sounds miles better than the $2
interconnects that came with your CD player? Or how high-end speaker
cables trounce zip cord? Or how a good AC Mains cord can transform the
sound of your system? The same applies to the cable that connects your
preamp to its power supply. New in summer of 2007 I am offering
upgraded power supply umbilicals that so completely outperform the
original $20 umbilical in every way possible. It's not even a close
race. |
Click here for more information and pricing for the Power Supply Umbilical upgrade.
Upgraded Volume and Balance Controls, including the DACT stepped attenuator.
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| TKD
makes excellent feeling and sounding volume and balance controls. Once
you've heard (and felt) the difference between a $7.00 volume control
and a $70.00 control you'll understand why people go to such lengths to
get cheap controls out of their signal path. (Shown in SA-1000) |
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The best-possible, best-sounding control: Danish Audio ConnecT's stepped control. Click here for more information and pricing. |
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This SA-3000 not only has the DACT volume control, but the optional remote volume control. Note the stepper motor mounted on the rear of the volume control (motor is partially-hidden below Continental Capacitor. Volume control chips, relay banks, or other methods can't sound as good as a superb volume control driven by a motor. They just can't. Click here for more information and pricing. (Instrument courtesy S. Smith.) |
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The electronics (small green circuit board) for the optional remote mount to the side panel. (Instrument courtesy S. Smith.) |
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For the "he-men" (and she-women) out there, why not have the balance
control bypassed altogether? You know you don't use it, why run the
signal through it?
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Price to Upgrade Volume Control to TKD: $115
Price to Upgrade Balance Control to TKD: $130
Price to Bypass Balance Control Altogether: No Charge
For pricing on the DACT volume control, click here.
(add setup fee if not done with an "LSP" upgrade)
- Better RCA Jacks.
The jacks on the SA-3000 can be upgraded to use jacks with much better
metallurgy. This can be done selectively: you might wish to only do
your CD and phono inputs, and the main outputs. I can replace some or
all of your jacks with direct-gold over copper CM1F-OFC from Sound
Connections.
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Price to Upgrade RCA Jacks: $90 for first stereo pair, $45 for each pair thereafter.
(add setup fee this price if not done with an "LSP" upgrade)
Circuit Board Damping.
Circuit
boards are light and stiff -- they are resonant as heck, which causes
smearing of the sound. Your audio will be substantially improved when
we apply thick wool felt damping pads between the circuit boards and
the chassis to damp all resonances. This results in MUCH tighter
imaging and spatial resolution, MUCH greater retrieval of low-level
details, a surprising reduction in edginess, and a greater weight to
the tone, which makes everything sound fuller and more "real." Click here for pricing. (add setup fee this price if not done with an "LSP" upgrade)
- Tubes.
Tube Options. I can provide replacement tubes for this unit. Go to the Replacement Tubes page and select the SA-5000 information to read about the required tubes, and what I suggest.
If I can be of any further assistance, do not hesitate to contact me.
Payment Terms and Policies
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