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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 
Quid pro quoInfo presented here is extraordinarily labor-intensive;
if you have not purchased from us in the 37 years we've
been in business, your contribution commensurate
with value-provided is very much appreciated.
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!!!
Mains Voltage & What To Do About It
220~240 Vac
PricesFrom Computer ( not handheld device! ),
place your mouse-pointer ON the rotating
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* all prices U.S. currency f.o.b. Los Angeles, California USA.
* prices without deposit subject to change without notice.
* AllegroLayAway™ with 20% non-refundable deposit.
* AllegroTradeUP™ with approved trade-in.
FAQs
Trade-insTrade-ins are not final until received, inspected,
tested and approved by AllegroSound. Items
failing to meet our minimum standards will be
returned at customer's expense plus $50 min fee
for inspection/testing; additional fees may apply.
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,
typically within 30 days of cleared funds.
Suitability sole responsibility of Buyer.
Prices subject to change without notice.
All items subject to prior sale or no sale.
Not responsible for errors, semantics, etc.
All equipment as-is without warranty.
Add 9.75% Sales Tax within California.
All costs, including, but not limited to,
packing, freight, duty, taxes, fees, etc,
are sole responsibility of Buyer & not
refundable under any circumstances.
All sales final. References on request.
Featured System
fabled JBL Project K2 S9500.
JBL Project K2 S9500
JBL Project K2
JBL K2 S9500
JBL S9500
JBL K2 Wanna get away...to the concert hall?
Mark Levinson Red Rose Music
Model One Reference Monoblocks,
conceived, designed & manufactured
with excellence entirely in the USA
(no, Martha, these are not made in
China like the solid-state models!),
#04 & #05 c.1998 with updates,
170w Ultra-Linear or 65w Triode,
2-4-6-8Ω taps (high-current 2Ω tap
enable this amp to drive speakers
other tube amps can only dream of),
4-6SN7, 8-6L6/5881, (1-5842/417A),
on-brd mtr, all-Balanced signal path
with NO phase-converter to alter
the acoustic of the recording venue!
(RCA-in adds 5842 phase-converter
for Single-Ended source, if you must),
100-120-240V World Power Supply,
Auto-Standby, factory crates, low hrs,
special Champagne-Gold finish,
ultra exclusive (< 200/prs produced),
outperforms all SETs & everything else!
(or, you could pay 7x more for a new pr
of Lamm ML-3's with 1/5th the power)
* To paraphrase Dr. Strangelove,
"The whole point of a simple circuit
is lost if you make it expensive."
* In the immortal words of Joe E. Brown,
"Well, nothing's perfect."
* In the opinion of AllegroSound,
"These come close; very close."
CLICK for Red Rose Reference
"M stands for Magic."
fabled Onkyo M-510 twin-mono amp,
#40 of 43 produced for U.S. market,
2 monoblock amps on one chassis,
Champagne-gold with lacquered
persimmonwood matches M-588,
300w/ch/8, 500w/ch/4, 2Kw/pk/ch/1,
140 lbs of magical music replay.
Onkyo M-510 twin-mono amp Est.1925
Luxman FL-202 Balanced Electronic Crossover,
80-150-290-380-500-660-800-1k-1280-1700-2kHz,
12-18 db, locking Fc, Polarity switch and Level
for HP & LP, XLR-Balanced in/out, 5-7-17",15#,
outperforms the usual suspects.
Luxman FL-202 crossover Wanna get away...to the concert hall?
fabled MFA Luminescence B1-1302-D
c.1990 all-tube preamp with matching
PSU (not in picture), aka "Lumi ",
Bruce Moore & Scott Frankland's
masterpiece of audio engineering,
all-octal mirror-imaged dual-mono
hard-wired wide-bandwidth low-fb
ground-breaking design, 2~600kHz!,
Phono and Line outputs each capable of
swinging 200Vp-p (now that's headroom!),
massive outboard TUBE PSU with 4 xfmrs!,
original Left-Right Volume pots upgraded
with precision Shallco stepped attenuators,
handles all MC & MM pickups 0.1~5.0 mv
(sell your MC step-up xfmr, this is better!),
external phono-loading jacks allow
precise matching to your fave MC/MM,
Phonostage tubes (4) 5691 + (2) 6EM7,
Linestage tubes (2) 6SN7 + (2) 6DN7,
matching black rack-mount chassis',
depth-of-field from here to Cleveland!,
arguably the finest phonostage extant,
very very exclusive, great investment.
(or, you could pay more for a new
AudioNote AN-S8 MC step-up transformer
(just a stepup, folks; no phono, no line)
or 4x more for new B.A.T. REX Linestage
and a Manley Steelhead Phonostage)
fabled MFA Luminescence preamp 
fabled Kenwood L-07D
Lab-Standard turntable/arm
w/std & optional accessories,
Original Owner, none better.
(or, you could pay 27x more
for new JR Transrotor Argos)
Kenwood L-07D turntable/arm 
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 Dream-Machine! any speed, any eq, auto-cal, servo-tension
Otari MTR-15N Master Recorder-Reproducer,
Otari's last and way-best analog tape deck,
Auto-Calibrate enables any blank tape to
be quickly calibrated and stored in memory,
B&O's clever Headroom-eXtension enables
recordings with wider dynamics & lower noise,
4 Speeds: 30 - 15 - 7.5 - 3.75 ips + Variable,
4 Record/Play EQs: AES - NAB - NABJ - IEC
plus custom eq's to compensate for "off" tapes
programmable in real-time from the front panel!,
Servo-controlled tape-tension for safe handling
of polyester-Mylar without danger of stretching,
superior electronics outperforms usual suspects
(Ampex, J-Corder, Sony, Studer, Technics, etc...),
easy access to plug-in cards via hinged frt-panel,
Vari-speed in all modes incl Wind, Auto-locate,
Monitor amp/speaker, top build quality (101 lbs!)
with one-inch precision-machined deck-plate,
handles all reel sizes including 12.5-in broadcast.
Available Options: ¼-trk Play head, overbridge,
roll-around trolley, customized deck-plate, case.
* Not to be confused w/popular Otari MX series,
which does not in any way play in this league.
* The abundance of usefull features does not
detract from its prime mission - sota playback
of your 2-track (and optional ¼-track) tapes
incl TheTapeProject tapes with CCIR-IEC eq &
other non-std tapes at any speed with any eq!
fyi, many audiophiles have expressed concern over this dream-
machine having ic's in the playback chain which they've gone to
great lengths to eliminate; well, the exception proves the rule,
and this one made a believer out of me. Hearing Is Believing.
Otari MTR-15 Recorder-Reproducer 
help support this site with your contribution and referral
Los Angeles, California USA
Rick@AllegroSound.com
CONTACT AllegroSound 
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