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* K=1000. PR=pair. PTC=partial trades considered. AP=as pictured. ?=FAQ.
MissionAllegroSound has been dedicated to the
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.
for AllegroBio 
Featuring* AllegroQC™ with 37+ yrs experience.
* Safe-packing. Trust your purchase to
one who knows & cares to pack it right.
World-Wide Shipping
ConditionSome be 10~60 yrs old with imperfections,
non-functioning lamps, old capacitors, etc;
NO "mint", "minty", "perfect", "excellent".
AllegroGrading™ : 5 = New-In-Box,
4 = VeryGood, 3 = Good, 2 = Fair, 1 = Poor.
All pre-owned/used unless otherwise noted.
See Pics, MainsVoltage, Terms below.
PicsPics are shown for display purposes
& may not represent exact condition;
text trumps pics - read description
and email if you need clarification.
Mains Voltage & What To Do About It
220~240 Vac
PricesFrom computer, place your pointing-arrow
ON the rotating $-sign below each listing;
price will pop up within 2 or 3 seconds;
if not, Click "HELP" in the floating Menu >>>
* all prices U.S. currency f.o.b. Los Angeles, California USA.
* prices without deposit subject to change without notice.
* AllegroLayAway™ with 30% non-refundable deposit.
* AllegroTradeUP™ with your approved TRADE-IN.
Trade-insTrade-in & purchases are not final until received,
inspected, tested and approved by AllegroSound.
Items failing to meet described condition will be
returned at customer's expense plus $50 min fee
for inspection/testing; additional fees may apply.
Vacuum Tubes"New" and "NOS" tubes sold by AllegroSound
have been operated during testing, auditioning
& burn-in & therefore are, technically, "used".
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 and costs beyond this point,
incl, but not limited to, packing, freight,
duty, taxes, fees, are sole responsibility
of Buyer. All sales final. No refunds.
Add 8.75% SalesTax in California.
TUNERS$1,000,000 music library for free and capable of better sound
than spinning the same cd in your player! Hearing is believing.
Citation III fm tube tuner with
fabled Foster-Seeley discriminator
& nuvistor "super-tube" front-end,
with or without Heathkit-Daystrom
DA-330 mpx adaptor (see below).
Citation III / Citation 3 tuner "dream-machine...redefines the state of the art in fm tuners"
"Your fm has the right to remain silent."
Day Sequerra FM Reference #210351,late production with updates and special
Factory-calibration to 75.0µs deemphasis,
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!
(or, you could pay 2x more for
a new Magnum-Dynalab 109)
Day Sequerra FM Reference 
Denon TU-850 fm stereo tuner,
5-gang tuning cap, -120db IR,
ultra-Wide + Narrow select,
Fixed and Variable outputs,
Scope outputs, 24 pounds,
cool back-lit dial-wheel,
Denon's all-time top-tuna.
Denon TU-850 TU850 tuner 
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 
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 KC6060 Scope
fabled Kenwood L-02T fm tuner,
late Version w/frequency-counter,
120vac, 88-108mHz, 2nd Owner.
(or, you could pay more for new
Accuphase T-1000 and digitize
your analog broadcasts! )
Kenwood L-02T fm tuner 
fabled Kenwood KT-917 fm tuner,
precision 9-gang condenser, 3 IFs,
125db spurious-image-if rejection,
double-balanced mixer, scope out,
2 RF in, 33 lbs, AllegroMods™
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 music lover's delight, designed by legendary audio-guru Tim de Paravicini
Luxman T-110 fm stereo tuner,
fabled Tim de Paravicini design
with AllegroMods™, 5-gang tuning
capacitor, scope out, unique dial-face
(most are oxidized; this one is nice!).
matching M-4000 amp available.
Luxman T-110 T110 fm tuner 10B build and performance without the hassles
Marantz 20 fm stereo tuner #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,
arguably Marantz's finest fm tuna extant,
with fabled Hovland Scope-Saver mod.
Marantz 20 fm broadcast monitor Got Marantz 10B? Got spare scope-tube?
CRT for MARANTZ 10 and 10B tuners,
NOS factory-sealed Amperex DG7-32,
NOS factory-sealed Telefunken DG7-32.
D3-11, D10-160, D10-260 wanted at AllegroSound not for sale at this time.
McIntosh MR-65B fm stereo tube tuner.
McIntosh MR-65B MR65B stereo tuner 
McIntosh MR-71 fm stereo,
Mac's final-design tube tuner.
McIntosh MR-71 MR71 tuner 
McIntosh MR-78 + AllegroMods™
McIntosh MR-78 MR78 fm tuner world's most-selective tuna...slices stations like sashimi
McIntosh MR-80 FM Broadcast Monitor,
"World's Least-Understood Tuner ",
ANALOG varactor-tuning (like Sequerra,
only more selective) w/frequency-counter,
"World's Most-Selective Analog FM Tuner ",
fabled Foster-Seeley discriminator,
4+1 Presets with REMOTE-SCANNING
of the 4 presets or the entire fm dial!,
Headphone jack, Variable out, Scope out.
(or, you could pay 4x more for new McIntosh
MR-88 and digitize your analog broadcasts!)
* few MR-80's are properly installed and operated;
performance can be significantly improved without
mods with "Secrets Of The MR-80 " in pdf, $22.
McIntosh MR-80 MR80 Analog fm tuner 
Mitsubishi DA-F20 fm stereo tuner,
sounds as good as it looks.
Mitsubishi DA-F20 DAF20 fm tuner FAM stands for "Fabulous AM "
Nikko FAM-14 am-fm stereo tuner,
it's small (13-10-4"), it's cute, and
AM more-listenable than TU-X1!
Pioneer TX-9500.2 fm-am stereo tuner,
5-gang, not quite the equal of F26/F28
but close-enough for way less treasure.
Pioneer TX-9500 Mk.II tuner 
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 75us deemphasis.
Remote-controllable with
B208 remote (not included).
ReVox B160 B-160 fm tuner 
fabled Sansui TU-717 fm-am stereo tuner,
4-gang fm, AllegroMods™, super-sleeper!
(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 #210351,late production with updates and special
Factory-calibration to 75.0µs deemphasis,
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,
discrete XLR-Balanced outputs,
choice of 17" or 19" black panel,
obm, one-of-a-kind, none better!
(or, you could pay 2x more for
a new Magnum-Dynalab 109)
Day Sequerra FM Reference 
Sequerra Rosewood Case for Sequerra FM-1
broadcast monitor, like-new in original box.
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."
#3 of 20 tunas tested.−The Audio Ideas FM Tuner Project
Sony ST-5130 ST5130 fm-am tuner 
Sony ST-S555ES fm stereo tuner c.1985,
5 varactor-tuned (a la Sequerra & MR-80),
Wide/Narrow selectivity, 2 coax inputs,
Active Current Transfer (a la Krell CAST),
21db adjacent ch selectivity, CR 1db,
Image-Spurious-IF 120 db!, 8 presets.
Sony ST-S555ES STS555ES fm tuner 
Sony ST-S730ES fm-am, rotary tuning,
20 presets (if need more, see ReVox B160),
IF & Spurious -120 db!, Capture-Ratio 1 db.
Sony ST-S730ES STS730ES 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#.
AllegroSound
− Established 1973 −
"love what you listen with"
Los Angeles, California USA
Rick@AllegroSound.com
CONTACT AllegroSound 
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