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Parasound Halo A21 Mint
High End " High
definition" Stereo Power
Amplifier
Comes with "Original Box and all
accessories, including rack mount kit
( USED ITEM )
( Excellent condition )
Parasound Halo A21 power amp, in like
new condition. An absolutely beautiful
sounding amp, in perfect shape, just 12
months old. 250 Watts per side, Class A.
Comes with original box and all
accessories, including rack mount kit.
Trade in from original owner .
This is one of the best amplifiers
on the market and is excellent valve for
money . I use a Parasound
A21 power amplifier in my own
reference sound system for speaker
design and sound quality
evaluation ,The
Parasound Halo A21
Killer
dynamic range Bass mid and top
end details at low to high levels
are excellent with true reproduction
any kind of music or home theatre system
Music or Video Blu ray or Music DVD
. This is a true reference
amplifier that will drive ant type
of speaker from
electrostatics , planar , dynamic
cone " Highly
recommended " Russell Storey
Stones Sound Studio
Product Code: ParaA21
Specifications
* Circuitry designed by legendary John
Curl
* THX Ultra 2 certified
* High bias Class A/AB operation
* Balanced inputs with discrete circuits
and XLR connectors
* Direct Coupled - no capacitors or
inductors in signal path
* Complementary MOSFET driver stage and
JFET input stage
* 16 beta-matched 15 amp, 60 MHz bipolar
output transistors
* 1.2 kVA encapsulated toroid power
transformer with independent secondary
windings for each channel; 100,000 µF
power supply filter capacitance
* DC Servo and relay protection circuits
* AC present, channel status, high
temperature indicators
* Gold-plated RCA input jacks, loop
output jacks
* Heavy-duty 24k gold-plated 5-way
speaker binding posts
* Auto turn-on by 12v trigger or audio
signal, 12v trigger out
* Rear panel gain controls; ground lift
switch
* 4U Chassis; carry handles; rack
mounting adapter included
* Parasound's 10 years parts, 5 years
labor warranty
* Continuous Power Output: 250 watts RMS
x 2, 20 Hz - 20 kHz, 8 ohms, both
channels driven; 400 watts RMS x 2, 20
Hz - 20 kHz, 4 ohms, both channels
driven; 750 watts RMS x 1, 20 Hz - 20
kHz, 8 ohms
* Current capacity: 60 amperes peak per
channel
* Power bandwidth: 5 Hz - 100 kHz, +0/-3
dB at 1 watt
* Total harmonic distortion: < 0.2 % at
full power
* IM distortion: < 0.04 %
* Slew rate: >130 V/µsecond
* Dynamic headroom: > 1.5 dB
* Interchannel crosstalk: > 80 dB at 1
kHz; > 63 dB at 20 kHz
* Input sensitivity: 1 V for 28.28 V,
THX Reference Level
* Input impedance: 33 kW unbalanced; 66
kW balanced
* S/N ratio: > 112 dB, input shorted,
IHF A-weighted
* Damping factor: > 1100 at 20 Hz
* Voltage: 110V - 120V
* Dimensions: 17-1/4" w x 7-5/8" h x
19-1/8" d, 7" h without feet
* Net weight: 60 lbs
This
amplifier is very heavy at 75 lbs
packed so shipping
cost is dependent on your
location and post code
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Price:
AUD
$2770.00
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DYNAVECTOR
Karat
DV17 MkII Moving Coil Cartridge ( "
Mint " condition ) stylus played
only 6 LPs )
Product Code: DV17 MkII
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Price: AUD
$899.00
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LUXMAN-pd300-vacuum-disc-turntable
Turntable only
WITH OUT ARM &
CARTRIDGE
11 Kg Belt
drive turntable with electronic
speed control (45/33 rpm)
has built in Vacuum bellows
that clamp the record onto
it to the solid alloy platter. Bass mid
and top end are excellent with the right
tone arm .
This is a very rare turntable and is
in
( Good
Condition )
Product Code: PD300
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Price:
AUD
$997.00
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NAKAMICHI CA5 II Pre-amplifier
manual volume ( bass /trebble
On /Off ) MC /MC
switchable Cartridge EQ the Phono pre
amp has one exception in
detail and dynamics
" Excellent High pre amp for Hi end Stereo Audio
reproduction
Line Cd Aux tuner inputs , tape in out /rec
2 line outputs
( Good Condition )
Product Code:CA5 II
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NAKAMICHI
CA7-E Legendary Preamplifier
with remote (
with remote control functions and volume
) MINT
Nakamichi Top Shelf
switchable Cartridge EQ the Phono pre
amp has one exception in
detail and dynamics is one exception in detail
and dynamics
" Excellent High pre amp with remote volume and mute for Hi end
dynamic and details Stereo Audio
reproduction
Line Cd Aux tuner inputs , tape in out /rec
2 line outputs ( 3band Equalizer on/off)
( Good Condition )
Product Code: CA7-E
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Price:
AUD
$1577.00
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NAKAMICHI
500 in
" "Original Nakamichi
Box " " one owner
fully overhauled record play excellent
3 Microphone inputs mixer level control
plus 2 line inputs with 400 Hz
Calibration ref Odb VU
tone
( good condition
). One of the better sounding decks
because of the discrete simple circuits
. This Deck comes with guarantee
and full technical back up
Product Code: Nak500
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Price:
AUD
$297.00
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NAKAMICHI
HI
COM II Noise reduction Unit ( "Excellent
" condition ex Stones Sound Studio )
Comes with the original the " Owners manual "
Fully tested and GuaranteNoise Reduction System, it comes in very
good clean condition, 100% fully
functional, all tested. With Nakamichi
Analyzer and Tape deck in record
and Play modes ,, I also tested
the unit with new recording and as
well tapes I had recorded in 1978
with high com and its dynamic range and
noise reduction are second to none
true High end sound !!
This unit was designed for
Professional tape machines by
Telefunkin Germany for
Nakamichi Japan and It works
very well on any kind of music and play
back , has built in 400Hz
calibration tone master and sub
master level controls rear
panel record and play level controls
plus yes , Its got a Phono
Noise processor actually
lowers records noise and has
manual subsonic filter for warped
records . Bingo its got the
lot
Product Code: NAK-Hi COM II
SOLD
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Price: AUD
$287.00
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NAKAMICHI 600 cassette deck
( In Mint Condition )
One owner
The deck mechanism has been fully
overhauled cleaned lubricated
re aligned and speed calibrated to
Nakamichi Standard in our Nakamichi
Service lab .
This decks sound on Playback is
fantastic and Record with standard
TDK tapes is very good but with
TDKSA90 the recording is
EXCELLENT !! very dynamic and detailed
some decks sound better than others this
is one of those . the deck meets and
exceeds specification in frequency
response , WF and speed . Mechanism
and heads have little or no wear..
its top shelf . Deck comes with
guarantee and full technical back
up line
inputs with 400 Hz Calibration ref Odb
VU tone
This is a very rare untouched
electronics & mechanics
( Good
working
Condition )
Product Code: NAK600-1W
SOLD
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Price:
AUD
$387.00
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Parasound Halo A21 Mint
High End " High
definition" Stereo Power
Amplifier
Comes with "Original Box and all
accessories, including rack mount kit
( Excellent condition )
Parasound Halo A21 power amp, in like
new condition. An absolutely beautiful
sounding amp, in perfect shape, just 12
months old. 250 Watts per side, Class A.
Comes with original box and all
accessories, including rack mount kit.
Trade in from original owner .
This is one of the best amplifiers
on the market and is excellent valve for
money . I use a Parasound
A21 power amplifier in my own
reference sound system for speaker
design and sound quality
evaluation ,The
Parasound Halo A21
Killer
dynamic range Bass mid and top
end details at low to high levels
are excellent with true reproduction
any kind of music or home theatre system
Music or Video Blu ray or Music DVD
. This is a true reference
amplifier that will drive ant type
of speaker from
electrostatics , planar , dynamic
cone " Highly
recommended " Russell Storey
Stones Sound Studio
Product Code: ParaA21-2
SOLD
Specifications
* Circuitry designed by legendary John
Curl
* THX Ultra 2 certified
* High bias Class A/AB operation
* Balanced inputs with discrete circuits
and XLR connectors
* Direct Coupled - no capacitors or
inductors in signal path
* Complementary MOSFET driver stage and
JFET input stage
* 16 beta-matched 15 amp, 60 MHz bipolar
output transistors
* 1.2 kVA encapsulated toroid power
transformer with independent secondary
windings for each channel; 100,000 µF
power supply filter capacitance
* DC Servo and relay protection circuits
* AC present, channel status, high
temperature indicators
* Gold-plated RCA input jacks, loop
output jacks
* Heavy-duty 24k gold-plated 5-way
speaker binding posts
* Auto turn-on by 12v trigger or audio
signal, 12v trigger out
* Rear panel gain controls; ground lift
switch
* 4U Chassis; carry handles; rack
mounting adapter included
* Parasound's 10 years parts, 5 years
labor warranty
* Continuous Power Output: 250 watts RMS
x 2, 20 Hz - 20 kHz, 8 ohms, both
channels driven; 400 watts RMS x 2, 20
Hz - 20 kHz, 4 ohms, both channels
driven; 750 watts RMS x 1, 20 Hz - 20
kHz, 8 ohms
* Current capacity: 60 amperes peak per
channel
* Power bandwidth: 5 Hz - 100 kHz, +0/-3
dB at 1 watt
* Total harmonic distortion: < 0.2 % at
full power
* IM distortion: < 0.04 %
* Slew rate: >130 V/µsecond
* Dynamic headroom: > 1.5 dB
* Interchannel crosstalk: > 80 dB at 1
kHz; > 63 dB at 20 kHz
* Input sensitivity: 1 V for 28.28 V,
THX Reference Level
* Input impedance: 33 kW unbalanced; 66
kW balanced
* S/N ratio: > 112 dB, input shorted,
IHF A-weighted
* Damping factor: > 1100 at 20 Hz
* Voltage: 110V - 120V
* Dimensions: 17-1/4" w x 7-5/8" h x
19-1/8" d, 7" h without feet
* Net weight: 60 lbs
This
amplifier is very heavy at 75 lbs
packed so shipping
cost is dependent on your
location and post code
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Price:
AUD
$2770.00
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NAKAMICHI
ZX7 Cassette
deck ( "
Mint " condition front
panel with original cal
covers ) one owner
The deck mechanism has been fully
overhauled tested cleaned
lubricated re aligned and speed
calibrated to Nakamichi Standard in our
Nakamichi Service lab .
This decks sound on Playback is
better than fantastic its a reference
machine for sound quality and as good as
a ZX9 in every aspect of sound
quality on Play back and Record
with standard TDK tapes is very
good but with TDKSA90 the
recording is EXCELLENT !! ,,
Metal tapes in record is out
of this planet very dynamic and detailed
some decks sound better than others this
is one of those . the deck meets and
exceeds specification in frequency
response , WF and speed . Mechanism
and heads have little or no wear..
its top shelf Deck has
Manual Azimuth calibration system
with 400 Hz and 15KHZ
reference tones with Azimuth coloured
leds for setting azimuth . has
Automatic 3sec fade in / out
of recording record level
controls . Deck comes with guarantee
and full technical back up
line inputs with 400 Hz Calibration
ref Odb VU tone
Deck comes with guarantee and full technical back up
Stones Hi End demo ref tape
Frequency response Graph
Product Code: NAK-ZX7
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Price: AUD
$899.00
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SONY PS4570
Direct drive
Turntable " with 9" arm High
definition cartridge"
( Excellent condition )
Comes with 9" long arm ,mounted
an Excel ES70Ex ( Goldring Hi End
division Japan ) MM cartridge with
special cut and shaped Shibata
stylus
4Sq Stereo
Cartridge /Stylus has 45khz
bandwidth, This Cartridge is excellent
and kills a lot of moving coils in
dynamic range bas mid and top end and
detail . Stylus is
tested as New few
playings
Cartridge and arm Tracks at 0.8 to 1gm ,
Arm is HQ can take a wide range of
cartridge with Oil damper antic scate
manual hydralic damped lift lower,
45-33 rpm Speed controlled direct
drive motor , Platter Rubber
record damping pads , Cover and
deck in Very good condition .
# Record damper in photo3 not
supplied with TT
This
Sony PS 4570 turntable I have
personal owned and used for
recording and play back
"
recommended by " Russell Storey
Stones Sound Studio
as a V good main or
second back up quality turntable
Product Code: Sony PS-4570
SOLD
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Price:
AUD
$357.00
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Dynavector
Karat
DV17 Mk-II
High End Moving Coil Cartridge 20 - 100Khz bandwidth
( "
Mint " condition ) Comes
in original box with Dynavector
factor QC graph . The stylus
has been tested and is
as new 9/ 10
This cartridge was used only a few times
as a reference in sound quality by
Stones Sound Studio
Product Code: DV17 Mk-II
Fig.A is input square wave form
comprising frequency components
up to 200th higher harmonic component.
Fig.B shows the wave deformation by the
dispersion
in 7 mm aluminum cantilever.
Fig.C shows the effect of dispersion of
1.7 mm solid diamond cantilever.
Figure D is from DV's lab and shows the
totally flat response of the cartridge.
Notice between 150Hz to 10KHz the
extremely flat frequency response.
The sharp cut off near 20KHz is
obviously due to the measuring system.
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Price: AUD
$899.00
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Dynavector
DV-505 tone-arm ( "
Excellent " condition )
TOP SHELF Arm In
the original box with
Arm template counter weights
and information
Product Code: DV17 505
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Price: AUD
$1775.00
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This unconventional tone arm is our answer to to-day's advanced record
cutting technplogy. The DV/505 with its biaxial arm, dynamic and
electro-magnetic damping systems and spring loaded tracking force, gives
100% cartridge performance. The DV/505 arm will extrat from the
Dynavector cartridge the very maximum in quality and enable you to
experience tremendous satisfaction from your records. The 1977 CES
Design and Engineering Exibition selected and awarded the DV/505 tone
arm. Why not treat yourself to this luxury -
the experience will be well
worth it.
In a radical departure from conventionally accepted ways of tone arm
design, Onlife Research introduces its Dynavector DV-505 arm that looks
and in many ways behaves like no other tone arm ever before. By its full
technical designation it is called a "magnetically damped, inertia
controlled, bi-axis massdivided, dual pivot, dynamically balanced tone
arm," a lengthy description whose numerous unfamiliar terms already hint
at the uniqueness of this innovative design. Details about features and
functions are explained on the back page; the validity of the various
design innovations will be demonstrated best, however, in a careful
comparative listening test i n conjunction with a high fidelity
reproduction system of the highest order of professional quality.
The Dynavector DV-505 Raises Tracing Fidelity to A New Level of
Accuracy.
A tone arm has to support and guide the phono cartridge in its path
along the record groove, permitting it to faithfully follow all groove
excursions at a light tracking force, without however vibrating,
resonating or in any other way moving itself. Contrary to conventional
thinking, this "steadiness" in a tonearm is best achieved by giving the
arm a relatively high mechanical mass. Records, however, being mass
produced, almost invariably show some small degree of warp which forces
the arm up and down when playing. A n arm of large mass would, because
of its high inertia, cause rather violent changes in tracking force.
Ideally a tone arm should fulfill two conflicting demands: large mass
for steadiness in the horizontal plane, low mass for the vertical plane.
A tone arm should actually be two tone arms. Impossible?
The Dual-Pivot Dynamic Balance Dynavector Arm.
The Dynavector DV-505 is two arms in one. Its main arm section of large
mass, pivoted to move only in the horizontal plane, provides a superb
degree of steadiness; its sub section, separately pivoted to move only
vertically, is of low mass, and tracking force is applied by a precision
calibrated spring mechanism. It thus provides perfect tracking of
lateral a n d vertical groove modulations without being affected by
record warp.
Dynamic Damping System. Eliminates Arm Resonance
Every tone arm, being a physical mass, tends to resonate at or around a
certain frequency, and this arm resonance can seriously affect the
cartridge's tracking fidelity — the sound becomes "muddied" and loses
all transparency and clarity. Resonances in conventional tone arms have
not really been eliminated but only moved down into the subsonic region
at around 10 to 20 Hz where they show up as a strong peak — up to 10 dB
— in the system frequency response curve.
To solve this problem in the Dynavector DV-505, a subsidiary vibrating
mass consisting of a spring bob weight is provided inside the U-shaped
main arm, with its mass calculated precisely in such a way that it will
resonate at the same frequency — but in exactly opposite phase — as the
arm itself. This opposite resonance has the effect of cancelling out any
arm resonance.
Constant, Unvarying Tracking Force
Vertical tracking force is applied by a precision made spiral spring
device. This "dynamic balance" system maintains unvarying tracking force
regardless of record warp.
Tracking force adjustment is done by means of a dial mounted on the sub
arm pivot.
Electro-Magnetic Damping System for Perfect Tracking.
An additional measure of damping is effected by the electromagnetic
damping system. A curved rod attached to the rear of the arm is embedded
in a magnetic field supplied by two permanent magnets. Any minute
movement of the rod, due to an undamped arm resonance, causes an eddy
current to be induced in the rod, which in turn interacts with the
magnetic field to return the system to its rest state. As response
graphs show, the arm thus becomes virtually free from any resonance
phenomenon and permits perfect tracking of even subsonic frequencies.
This highly effective damping also makes the arm impervious to acoustic
feedback and vibrations transmitted through the floor and turntable
cabinet, to guarantee utmost clarity of sound under all operating
conditions.
Free-standing Type
Thanks to its heavy base, the Dynavector arm can be placed freely on any
turntable without requiring screw mounting. (Mounting holes are,
however, provided.) A template is supplied for correct overhang
adjustment.
Specifications
Overall lenght: 335 mm incl. head shell
Effective lenght: 241 mm
Offset angle: 21,5 degrees
Lateral tracking error: 0° at inner grooves, 2,2° at outer grooves
Overhang: 15 mm
Adjustable height range: 38 - 70 mm
Lateral and vertical sensitivity: less than 50 mg
Head shell connection: standard EIA type 4-pole connection
Returns :
Returns on New Items :Customer must contact Stones
Sound Studio within 7days of purchase to receive an GR
approval number and authorization
Returns on Used Items ,
Customer must contact Stones Sound Studio
within 7days of purchase to to receive an GR approval number
and authorization
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Condition :
Used: An item that
has been used previously. The item may have some signs of
cosmetic wear, but is operational and functions as
intended. This item may be a floor model or store return that
has been used.
See Stones Sound Studio listing for details and
description .
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