AllegroSound




"love what you listen with"

            allegrosound dot com ♥ CROSSOVERS ♥


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


 allegrosound dot com 



 Mission
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 



 Featuring
* 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



Condition
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
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 



Price$
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* prices NET-USD f.o.b. Los Angeles, California, USA.
* k = US$1,000.   ptc = partial trades considered.
* tbd = to be determined.   mp = matched pair.
* prices w/o deposit subject to change w/o notice.
*
AllegroLayAway with 20~30% down.
*
AllegroTradeUP with your approved trade-in.
*
AllegroBuyBack on selected items (see FAQ).



 Trade-ins
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
unpacking/inspection/testing/repacking;
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 & 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.



      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 AllegroSound.com



CROSSOVERS: Active
Multi-amping with electronic crossover be the path to audio virvana.


 since 1972.
    allegrosound dot com 
fabled Accuphase F5 electronic crossover,
2 or 3-way, 12-18 db, plug-in Fc cards.
 
allegrosound dot com Accuphase F-5 electronic crossover 



 since 1972.
 
Accuphase CB cards for
F5 - F15 - F15L xovers.
Buy-Sell-Trade cards.

allegrosound dot com  Accuphase CB 



 since 1972.
 
Accuphase FB cards
for F-20 & F-25 xovers.
Buy-Sell-Trade cards.

allegrosound dot com  Accuphase FB 



 
fabled Dahlquist DQ-LP1 electronic xover,
35~400Hz sweep, 18db active Low-pass,
6db passive Hi-pass,
AllegroMods.
allegrosound dot com  Dahlquist DQ-LP1 crossover 



  since 1980.
   allegrosound dot com 
Krell Reference Crossover KRX-1,
3-way or 2-way, plug-in Fc cards,
6 calibrated attenuators, discrete,
rack-mt, outboard ps, c.1985.
 
allegrosound dot com  Krell KRX-1 crossover 




  
Luxman FL-202 Balanced Electronic Crossover,
80-150-290-380-500-660-800-1k-1280-1700-2k Hz,
locking Fc, independant 12-18/db Slope, Polarity
and Level for HP and LP, XLR-Balanced in/out,
outperforms usual suspects, 5-7-17", 15 lbs.

AllegroBuyBack  
matching Luxman C-7 Balanced Preamp avail.
allegrosound dot com  Luxman FL-202 balanced crossover 



  Nikko CO-23 elect crossover,    allegrosound dot com 
discrete, 2-way, 12-18 db/oct,
125-160-200-250-320-400-500-
630-800-1k-1250-1.6k-2k-2.5k-
3.2k-4k-5k-6.3k-8k-10k-12.5k,
black rack-mount faceplate.

allegrosound dot com  Nikko CO-23 crossover 



   allegrosound dot com 
fabled Pioneer SF-700 crossover
c.1973, 3/2-way, 6-12-18 db/oct,
125-250-500-700-1k-2k-4k-6k-8k.

allegrosound dot com  Pioneer SF-700 crossover 



   allegrosound dot com 
fabled Pioneer SF-850 crossover
c.1976, 3/2-way, 6-12-18 db/oct,
125-250-500-700-1k-2k-4k-6k-8k.

allegrosound dot com  Pioneer SF-850 crossover 



 
fabled Pioneer Series20 D-23    allegrosound dot com 
4-way electronic xover c.1977,
switch-select Fc and Slopes
for each pair of 8 outputs, 20#.
(or, you could pay 5x more for
three Pass Labs XVR1 2-ways)

AllegroBuyBack  
allegrosound dot com  Pioneer D-23 crossover 



front-panel real-time-tuning!
    allegrosound dot com 
fabled John Curl Symmetry ACS-1
"transient-perfect" variable xover
c.1981, Fc 45~4500Hz, rack-mt.
 
allegrosound dot com  Symmetry ACS-1 crossover 



any Fc!    Stereophile A-rated.    a Nelson Pass design.
 allegrosound dot com 
fabled Nelson Pass Threshold PCX
electronic xover, 18db/stereo/2-way,
36-db/2-way/pr, 18-db/3-way/pr,
Fc changeable in seconds via
readily-available resistor-packs
that drop into way-cool special
Zero-Insertion-Force sockets,
shipped with Fc of your choice,
gold-plated pcb, all discrete,
four calibrated attenuators,
17" or 19"rm,
AllegroMods.
* 2 available for TRI-amping.

"the most transparent and least-conspicuous
active crossover I've heard.
"—DO/Stereophile.

AllegroBuyBack  
(or, you could pay 2.5x more for Pass Labs XVR)
allegrosound dot com  Threshold PCX crossover 



 since 1957.   Spkr designer's dream-machine!
   allegrosound dot com 
fabled UREI 525 electronic crossover,
2/3-way stereo, 4/5-way mono,18 db,
dial-in any frequency within one Hz
via the built-in frequency-counter,
speaker designer's dream-machine!

AllegroBuyBack  
allegrosound dot com  UREI 525 electronic crossover 



with Frequency & Time correction
    allegrosound dot com   
fabled White Instruments DSP-5024 c.1997,
Programable Xover-Equalization-Delay,
Frequency & Time Speaker-Correction,
XLR-Balanced ANALOG in/out, 1U RM,
front-panel controls and Display.
 
allegrosound dot com White Instruments DSP-5024 



         



AllegroSound
−  Established 1973  −
"love what you listen with"
Los Angeles, California USA
Rick@AllegroSound.com


allegrosound home-page master-index  Master-Index  allegrosound home-page master-index


AllegroSound et al assumes no responsibility for use or misuse of products, services, info, etc.
design & original content ©AllegroSound, los angeles, california, usa. all rights reserved.



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