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"love what you listen with"

              ♥ AMPS Solid-State ♥

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* K = 1000.     PR = pair.     PTC = partial trades considered.

 allegrosound dot com 

AllegroSound 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!  allegrosound dot com AllegroBio 

* AllegroQC with 40 yrs experience.
* Safe-Packing. Trust your purchase
to one who knows & cares to pack it
so you receive it in same condition.
* Ci with HTS# provided on foreign
shipments reduces unnecessary
delay and damage in Customs.

World-Wide Shipping

Some be 10~60 yrs old with imperfections,
non-functioning lamps, old capacitors, etc;
NO "mint", "minty", "perfect", "excellent".
All pre-owned/used unless otherwise ntd.

AllegroGrade on scale of 1~7:
  7 = New-In-Sealed-Box.
  6 = New-In-Open-Box.
  5 = Demo-In-Open-Box.
  4 = VeryGood. 3 = Good. 2 = Fair. 1 = Poor.
See Pics, MainsVoltage, Terms below and
Frequently Asked Questions
(FAQ in Menu).

Pics are shown for display purposes
& may not represent exact condition;
text trumps pics - read description
and email if you need clarification.

allegrosound dot com  Mains Voltage & What To Do About It
allegrosound dot com  220~240 Vac 

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* prices NET-USD f.o.b. Los Angeles, California, USA.
* K = $1000.   PTC = Partial Trades Considered.
* prices w/o deposit subject to change w/o notice.
AllegroLayAway with 20~30% down.
AllegroTradeUP with your approved trade-in.

AllegroSound 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
additional fees may apply.

 Vacuum Tubes
All 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 & Conditions
Equipment 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 9.00% SalesTax in California.

      allegrosound dot com     allegrosound dot com allegrosound dot com           

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

Solid-state amps with their inherent higher-damping are uniquely
suited to control the higher-mass of real woofers (10" & greater).
If you love tubes, bi-amp with tubes on top, solid-state on bottom.

 since 1972.   switch on-the-fly class A/AB
fabled Accuphase P-400 twin-mono amp,
2 monoblock amps on one chassis,
switchable on-the-fly between
50w/8 class-A or 200w/8 class-AB,
highly-efficient cooling system
eliminates the evil heat-damage
typical of high-biased amplifiers,
precision 1-db/step attenuators
eliminates the need for a preamp,
useful peak-&-hold power meters,
upgraded 5-way output connectors.
Magical on electrostatic loudspeakers!

fyi, Accuphase stereo amplifiers typically
have a single pwr-supply for both channels;
the P-400 you see here be a rare exception,
with the benefits of separate monoblocks
in a cool-running compact design of the
finest quality and legendary reliability.
 Accuphase P-400 P400 twin-mono

 since 1974.
    made in the UK
fabled ATC SPA2-150 power amp,
twin-mono "audiophile" version,
200w/ch/8, XLR-Bal in, discrete
wide-band non-clipping design,
on-board diagnostics w/display,
the best of British technology,
transparent and musical, 57#,
drives difficult loads w/ease,
outperforms Nagra MPA at
one-third the cost and heat.

(or, you could pay 5x more for new
darTZeel 108 with half the power)

 ATC SPA2-150 twin-mono amp

a Bigger-Bolder-Better Bedini 25/25...
fabled Bedini 100/100-DE c.1983,
#133DE, 100w/ch/8,  200w/ch/4,
19" rack-mount panel + handles.

(or, you could pay more for Bedini 25/25 & get less).
 Bedini 100/100-DE 100DE amp

since 1938.                     like no other...
DENON dates back to 1910 as a joint venture by Emile Berliner
(Gramophone Co) & Alexander Graham Bell (Columbia Gramophone);
the Gramophone Company later became Nippon Columbia Co Ltd, & in
1938 created the DENON brand that produced these special amplifiers.

fabled DENON POA-8000 amps c.1981,
ultra-stable Feed-Forward design,
input level control, subsonic filter,
2 sets of outputs for easy bi-wire,
on-board diagnostics, 200w/8, 48 lbs,
AllegroMods eliminate heat-damage,
improve sound & deliver more power.
(or, you could pay more for pair of DENON
POA-S1 monoblocks and rent a forklift)

matching DENON PRA-6000 preamp available.
 DENON POA-8000 POA8000 monoblocks

fabled Kenwood L-09M monoblocks,
300w/ch/8-Ohms, switched-attenuator,
two sets of outputs for easy bi-wire,
analog power meter,
* tech-note: ultra-high 106Vdc ps rails with
dedicated power xfmr for each rail. Sweeet!
matching Kenwood L-07C preamp avail.

 Kenwood L-09M L09M L-O9M LO9M

  u can pay more, but u can't buy a better Krell
fabled KRELL KSA-150 dual-mono,
300w/ch/4, 600w/ch/2, 1200w/ch/1,
non-switching non-plateau bias
(adjustable via multi-turn pots),
XLR-Balanced in, 90 lbs, c.1990,
no spkr too tough for this pup.
Trade UP to a Krell - now you can!

"The KSA-150 has to be one of the
smoothest, sweetest amps around...
bass is phenomenal.
" −ST/Stereophile.

(or, you could pay 15x more for Krell Evo-600's)
Krell KRX crossover also available.
Krell KSA-150 KSA150 dual-mono

have it both ways: tubes for voltage, mosfets for current

Lector VM-200 hybrid amp,
100w/ch/8 and 150w/ch/4,
14GW8 Input+Driver tube,
mosfet output, low feedbk,
gloss-black side panels.

(or, you could pay 12x more for new
Lamm M2.2 hybrid mosfet monoblks)

Lector VM-200 VM200 "brid"

  since 1973.                             an Ivor Tiefenbrun joint.
Linn Klimax Chakra 500 Twin (aka Chakra Twin),
linear/analog design w/advanced pulse-lock ps,
XLR-Balanced inputs, WBT posts, 200w/ch/4,
low on heat-bulk-weight, high on sound quality,
upgrade your Linn Klout at
 Linn Klimax Chakra 500 Twin
 Linn Klimax Chakra Twin
 Linn Klimax Twin
 Linn Chakra Twin
 Linn Twin
* note: above Linn links go to same info; click any one.

since 1952.                 a Ken Ishiwata design.
fabled Marantz MusicLink monos
(formerly Marantz Esotec series),
#47 & #55 of 100 pairs produced,
rated 30w Class A into 8 Ohms,
120w/pk/2-Ohms, copper chassis,
small size / big sound, 6h-8w-14d,
ultra-classy champagne-gold.

matching SC-22 preamp available.

 Marantz MA-24 monoblocks

since 1949, like no other...
fabled McIntosh MC-2120 amp,
unique autoformer design,
120w/ch/stereo, 240w/mono,
2-4-8-16 Ohm taps, Level-
controls, Headphone-jack,
PowerGuard prevents clipping,
protecting amp & your speakers,
drives any load incl 0.1Ω ribbons;
legendary musicality & reliability,
and no fragile glass to break!
(or, you could pay 5x more for Moscode 401HR)
 click for McIntosh MC-2120 MC2120

fabled Mitsubishi Diatone DA-A15DC
twin-mono amp, 150w/ch/8, last ver,
variable input level each channel.

 Mitsubishi DA-A15DC amp

selectable Low-Pass & High-Pass filters facilitate bi-amping.
fabled NEC M-50 monoblock amps,
100w/4, 240w/pk/2, 57A/pk, 5~300kHz,
unique selectable Lo-Pass & Hi-Pass
filters facilitate bi-amping & protect
your delicate drivers from damage,
Volume control, fluorescent meter.

 NEC M-50 M50 monoblocks

"M stands for Magic."
fabled Onkyo M-510 twin-mono amp,
#40 of <100 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 M510 twin-mono amp

"M stands for Magic."
    fabled Onkyo M-588 twin-mono,    
two monoblock amps on one chassis,
c.1993, successor to fabled M-510 with
Balanced inputs, Champagne-gold with
lacquered persimmonwood matches 510,
200w/ch/8, 750w/pk/2,
mate w/Sansui C-2301 for a Magical music experience.

 Onkyo M-588 M588 twin-mono amp

"perfect balance of detail & musicality"
fabled Pioneer Series20 M-22 amplifier,
2 monoblock amps on one cast-chassis,
AllegroMods eliminate heat-damage,
improve sound and deliver more power.

PB in TAS: "My fave 25W class A amp is the
Pioneer M-22. It offers a perfect balance of
detail and musicality with a truly holographic
soundstage. I like it better than M-03, DR-2,
DR-3 & Bedini for driving my classic Bozaks.
And this one-of-a-kind M-22 with extensive
AllegroMods is way better in every way;
more texture, more body, more musical...
* this is NOT your grandpa's stock M22!

 Pioneer Series20 M-22 twin-mono

stacked PSE Studio V balanced monoblocks
Professional Systems Engineering
PSE Studio V monoblocks c.1990,
#50359 & #50360, 120w/8, 230w/4,
XLR Balanced and RCA inputs,
17"w - 3.5"h - 10"d, 23 lbs.

(or, you could pay 4x for BelCanto REF500Ms)
 PSE Studio V monoblocks

QUAD 606 amp #27093 c.1997,
last Version plus
130w/ch/8-Ohms, 220w/ch/4-Ohms,
stable into any load with any signal,
outperforms 909 and others driving
Quad ESL-63-988-989-2805-2905.
* available with ESL-988's (only!).

"Here the newer 606 showed a clean pair of heels to
the older 606, handling musical transients with greater
aplomb & losing the thickening of midrange that was the
only note of coloration in the original unit.
" —HiFiNews

 QUAD 606 stereo amplifier

a Masaru Nagami design.
fabled SONY ESPRIT TA-N900 monoblocks,
linear/analog amp with "pulse-locked" ps,
200w "class A" 2~8Ω, zero global feedbk,
includes unobtanium original rosewood
cabinets and marble tops. Sweeet!
matching SE-P900 parametric available.


SONY TA-1010 integrated amp
c.1970, 2 MM phono, 15w/ch/8.

SONY TA-1010 TA1010 amp

SONY TA-3200F amplifier c.1971.
 SONY TA-3200F TA3200F amp

 since 1957.
vintage UREI 6150 2-ch amp c.1982,
80w/ch/8,  XLR-Balanced inputs,
Headphone jack, Volume controls,
upgraded pwr cord, rack-mount.

 UREI 6150 stereo amplifier

−  Established 1973  −
"love what you listen with"
Los Angeles, California USA
CONTACT AllegroSound               

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