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* K = 1000. PR = pair. PTC = partial trades considered.
MissionAllegroSound™ has been dedicated to
accurate recording and reproduction of
acoustic music for well over ¼ Century.
For those who value ears-on experience,
AllegroSound is "hear" to assist you.
Trades welcome!
AllegroBio 
Featuring* AllegroQC™ with 40 yrs experience.
* Safe-Packing. Trust your purchase to
one who knows and cares to pack it so
you receive it in the same condition :-)
* Commercial Invoice with proper HTS#
provided with foreign shipments reduces
unnecessary delay & damage in Customs.
World-Wide Shipping
ConditionMost be 30~70 years old with imperfections
including, but not limited to, old capacitors,
non-functioning lamps, off-center knobs,
oxidation, scratches, nicks, dings, etc...
NO "mint"! NO "minty"!! NO "perfect"!!!
All pre-owned/used unless otherwise noted.
AllegroGrade™ on scale of 1~6:
6 = New-In-Sealed-Box.
5 = New-In-Open-Box.
4 = Demo-In-Open-Box.
3 = Good. 2 = Fair. 1 = Poor.
* most be AllegroGrade 3 - actual pics
sent prior to packing if not already posted.
All sales as-is and final, so if you have any
special requirements regarding condition,
tell me before sending deposit/payment.
See Pics, MainsVoltage, Terms below
& Questions & Answers (Q+A) in Menu.
PicsPics are shown for display purposes
& may not represent exact condition;
actual pics are posted as I have them.
See "Condition" above & "Q+A" in Menu.
Mains Voltage & What To Do About It
220~240 Vac
PRICESPlace screen-pointer over the spin-
ning gold disc in the listings below,
price will show in 1~2 secs; if not,
Click "HELP" in the floating Menu.
* Prices NET-USD f.o.b. Los Angeles, CA, USA.
* k = US$1,000. ptc = partial trade considered.
* tbd = to be determined. mp = matched pair.
* $'s w/o deposit subject to change w/o notice.
* AllegroLayAway™ with 20~30% down.
* AllegroTradeUP™ with approved trade-in.
* AllegroBuyBack™ select items (see Q+A).
Trade-insAllegroSound trade-ins/purchases are not
final until received, inspected, tested and
approved by AllegroSound. Items failing to
meet represented condition will be returned
at Customer's expense plus $90/hr labor for
unpacking/inspection/testing/repacking;
additional fees may apply.
Vacuum TubesAll tubes sold by AllegroSound have been
carefully tested on the finest equipment
and, therefore, are technically "used".
* most plug-in tubes carry our exclusive
100-day exchange/1-yr pro-rated warranty.
Terms & ConditionsEquipment is carefully inspected, cleaned,
variac'd, tested for dc-offset & auditioned
in ref system before it leaves our facility.
Quality work with TLC takes quality time;
I work at my pace & have orders ahead
of yours; item will ship when testing is
completed and packed for safe transit.
Suitability sole responsibility of Buyer.
Not responsible for errors/semantics/etc.
All items subject to prior sale or no sale.
Prices subject to change without notice.
All equipment as-is without warranty.
All sales f.o.b. Los Angeles California;
all matters & costs beyond this point,
including, but not limited to, packing,
freight, ins, taxes, fees, duty, are sole
responsibility of Buyer. All sales final.
L.A.C. Sales Tax applies in California.
Why upgrade?
When your system doesn't sound good, u don't feel good;
when you don't feel good, your work is not good;
when your work is not good, your marriage is not good;
when your marriage is not good, you get divorced;
when you get divorced, you loose your system.
Upgrade today at AllegroSound.com
TUNERS$1,000,000 music library for free and capable of better sound
than spinning the same cd in your player! Hearing is believing.
"dream-machine...redefines the state of the art in fm tuners"
"Your fm has the right to remain silent."
Day Sequerra FM Reference #210351c.1996, late prod with updates & special
Factory calibration to 75.0µs deemphasis
to eliminate top-end brightness that be
the bane of most solid-state tuners
(if U don't like peaky moving-coil pickups,
you will appreciate the spot-on response
w/o the typical top-end boost - this FMR
#210351 is a sweeet-heart that belies its
ss origins & outperforms all tube tunas)
ANALOG tuning to 0.01 MHz via
on-board Frequency-Counter,
on-board Oscilloscope for tuning
to 0.001 mHz & optimizing antenna,
Wide-Medium-Narrow selectivity
(40db Adjacent-channel in Narrow),
discrete XLR-Balanced outputs,
choice of 17" or 19" black panel,
obm, one-of-a-kind, none better!
"...trust me on this: no matter how good your 10B or
Sequerra Model 1 (& they're still breathtakingly good),
they cannot offer the silent, noise-free background,
the frighteningly-quick transient attack, the dazzling
transparency or the near-perfect drift-free tuning of the
DaySequerra FM Reference." —Ken Kessler, HiFi News
"...dream-machine...redefines the State Of The Art
in FM tuners." —Larry Greenhill, Stereophile Magazine
(or, you could pay 2x more for Magnum-Dynalab 109)
Day Sequerra FM Reference 
Denon TU-501 fm-am tuner,
way-cool back-lit dial-wheel.
Denon TU-501 TU501 tuner 
HEATHKIT Daystrom DA-330
TUBE FM-Multiplex Adaptor,
adds FM-Stereo capability
to FM-Mono tuners.
Heathkit MPX Adaptor 
harman-kardon TU-915 fm-am tuner,
flywheel-tuning, auto-seek, presets,
50kHz steps, 70db alt-ch selectivity,
60db sep at 1k, fixed & variable out,
choice of silver or black faceplate.
matching 825 pre & 870 amp avail.
harman-kardon TU-915 TU915 not for sale at this time.
hk Citation III-X fm stereo tube tuner,
fabled Foster-Seeley discriminator,
nuvistor "super-tube" front-end.
Citation III-X 3X stereo tuner hk Citation III fm tube tuner with
fabled Foster-Seeley discriminator,
nuvistor "super-tube" front-end,
with or w/o Heathkit DA-330
or Eico MX-99 mpx adaptor.
Citation III / Citation 3 tuner 
JVC T-3030 T3030 fm stereo tuner
Surface-Acoustic-Wave filters,
-110 db IF/IR/SR, 1 db CR,
2.4"h, no bottom cover.
needs repair. 
fabled Kenwood KC-6060 scope,
see your multipath distortion
& orient your antenna for best
signal & sound, many other uses,
engraved panel a nice touch.
Kenwood KC-6060 Scope
fabled Kenwood L-02T fm tuner,
late Version w/frequency-counter,
120vac, 88-108mHz, purch from OrigOwner!
the most-natural sounding tuna in the sea!
(or, you could pay more for a new Accuphase
T-1000 and digitize your analog broadcasts(!)
or 2x more for thin and bright Burmester 978).
"the best RF performance that I have ever seen
in a production tuner."—Ricochets, FmTunerInfo.
Kenwood L-02T L-O2T fm tuner 
fabled Kenwood KT-917 fm tuner,
precision 9-Gang tuning condenser,
125db spurious-image-if rejection,
double-balanced mixer, scope out,
3 IFs, 2 antenna inputs, 33 lbs.
Kenwood KT-917 KT917 tuner 
Kenwood KT-7300 fm-am tuner,
4-gang fm, discrete output stage,
scope output, variable output.
Kenwood KT-7300 KT7300 
a Tim de Paravicini design.
Luxman T-110 fm stereo tuner,
fabled Tim de Paravicini design,
AllegroMods™, 5-gang tuning,
scope out, unique 3D dial-face
(most are oxidized, this one nice).
Luxman T-110 T110 fm tuner 10B build and performance without the hassles
Marantz 20 FM Broadcast Monitor #1822,
designed and manufactured by the
original Marantz Co in Woodside NY
c.1968, solid-state version of tubed 10B,
superior to later 20B and way more rare,
hard-wired, Marantz's finest tuna extant,
with fabled Hovland Scope-Saver mod.
matching 7T preamp also available :-)
Marantz 20 FM Broadcast Monitor Got Marantz 10B? Got spare scope-tube?
CRT for MARANTZ 10 & 10B,
NOS factory-sealed DG7-32.
D3-11, D10-160, D10-260 wtb at AllegroSound not for sale at this time.
McIntosh MR-65B fm stereo tube tuner.
McIntosh MR-65B stereo tuner not for sale at this time.
McIntosh MR-71 fm stereo,
Mac's final-design tube tuner.
McIntosh MR-71 MR71 tuner great FM stereo, and George Noory too!
A team of exceptionally-talented engineers
was brought together for project MR-74;
Jean Filon did the frt-end & MPX decoder,
Richard Modafferi did the IF & RIMO filter,
Ron Evans did the AM, & Mile Nestorovic
(designer of McIntosh MC-3500 / MI-350
and Nestorovic Alpha-1 / NA-1 tube amps)
designed the audio stage & power supply,
Wide & Narrow selectivity on both bands,
signal-strength and center-tune meters,
way-cool magic-eye multipath indicator,
2.5-Volt fixed and variable outputs.
McIntosh MR-74 fm/am tuner 
fabled McIntosh MR-78 tuner,
optional AllegroMods™
McIntosh MR-78 MR78 fm tuner Mpingo Multipath-Cancelling FM Antenna,
outperforms AP, Fanfare, MD, Sequerra.
Mpingo FM Antenna 
Pioneer TX-9500.2 fm-am stereo tuner,
5-gang, not quite the equal of F26/F28
but close-enough for way less treasure,
USA 120vac 75µs & Euro 240vac 50µs.
Pioneer TX-9500 Mk.II tuner 
fabled ReVox B160 fm stereo tuner,
same specs & sound as B260S
with only(!) 30 presets vs 60,
Alpha-Numeric programming,
cool no-noise LCD display,
accurate 75μs deemphasis.
Remote-controllable with
B208 remote (not included).
ReVox B160 B-160 fm tuner 
fabled Sansui TU-X1 Broadcast Monitor,
7-gang FM, 9.75" dial, 4 calibrated meters,
2 independent outputs with level controls,
36 lbs, biggest & baddest tuna-of-the-air,
USA 120vac 75µs and Euro 240vac 50µs.
top-pick by David "Ricochets" FmTunerInfo.
matching AU-20000 preamp/amp avail.
Sansui TU-X1 Broadcast Monitor 
fabled Sansui TU-717 fm-am stereo tuner,
4-gang fm, optional AllegroMods™
(note: rack-mount handles not included).
Sansui TU-717 TU717 fm tuner "dream-machine...redefines the state of the art in fm tuners"
"Your fm has the right to remain silent."
Day Sequerra FM Reference #210351c.1996, late prod with updates & special
Factory calibration to 75.0µs deemphasis
to eliminate top-end brightness that be
the bane of most solid-state tuners
(if U don't like peaky moving-coil pickups,
you will appreciate the spot-on response
w/o the typical top-end boost - this FMR
#210351 is a sweeet-heart that belies its
ss origins & outperforms all tube tunas)
ANALOG tuning to 0.01 MHz via
on-board Frequency-Counter,
on-board Oscilloscope for tuning
to 0.001 mHz & optimizing antenna,
Wide-Medium-Narrow selectivity
(40db Adjacent-channel in Narrow),
discrete XLR-Balanced outputs,
choice of 17" or 19" black panel,
obm, one-of-a-kind, none better!
"...trust me on this: no matter how good your 10B or
Sequerra Model 1 (& they're still breathtakingly good),
they cannot offer the silent, noise-free background,
the frighteningly-quick transient attack, the dazzling
transparency or the near-perfect drift-free tuning of the
DaySequerra FM Reference." —Ken Kessler, HiFi News
"...dream-machine...redefines the State Of The Art
in FM tuners." —Larry Greenhill, Stereophile Magazine
(or, you could pay 2x more for Magnum-Dynalab 109)
Day Sequerra FM Reference 
Sequerra Rosewood Cabinet for Sequerra FM-1
broadcast monitor, original box, appears NOS.
fabled Sony ST-5130 fm-am stereo tuner,
successor to fabled ST-5000, 5 gang fm,
fixed and variable and scope outputs,
rare Euro version with multi-voltage
ps and plug-in power cord. Sweeet!
"Receiving 54 stations on the omni antenna, and 53
on the yagi, ST-5130 yielded more listenable stereo
signals than any other tuner except the T-101...
Sound quality is very high...warmer and mellower
than Kenwood & Pioneer...I liked it so much I bought 4."
3rd place of 20 tunas tested.−Audio Ideas FM Tuner Project
Sony ST-5130 ST5130 fm-am tuner 
Sony ST-S555ES fm stereo tuner c.1985
with 5 Varactor-tuned circuits similar to
Sequerra, McIntosh MR-80 & Tandberg.
Wide/Narrow selectivity, 2 coax inputs,
Active Current Transfer (a la Krell CAST),
1.0db C.R., 21db Adjacent Ch Selectivity,
120db Image-Spurious-IF, plus 8 presets.
Includes original A.C.T. output cable.
Sony's first Elevated-Standard tuner with a big diff,
Active Current Transfer (long before Krell & others).
Instead of transmitting the audio to the preamp
in the form of voltage, it uses Current-transfer.
Also employed is Sony's Direct Comparator
circuit for stunning S/N ratio of 86db stereo.
Sony ST-S555ES fm stereo tuner 
Technics ST-8600 fm-am tuner c.1976,
5-gang fm, 6 IF, 20~18kHz +0.2 -0.8 db.
Technics ST-8600 ST8600 tuner the Ultimate tuna accessory...
Texcan/Anaconda 9300
RF Spectrum Analyzer
(a la Sequerra Panalyzer),
5~350 mHz, solid-state,
9"crt, 19w-17h-14d, 55#.
7-gang Analog tuning + frequency-counter
Yamaha T-2 fm stereo tuner,
update of fabled CT-7000,
7-gang analog tuning plus
a cool frequency-counter,
scope+fixed+vari outs.
AllegroSound
− Established 1973 −
"love what you listen with"
Los Angeles, California USA
Rick@AllegroSound.com
Master-Index
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