AllegroSound


Buy < Sell > Trade
Mod < Rent > Repair


Rick@AllegroSound.com


"love what you listen with..."  Moving-Coil StepUPs

           


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Mission
AllegroSound has been dedicated to the
accurate recording and reproduction of
acoustic music for well over ¼ Century.
One can't please all people all the time;
for those who value knowledge
gained from hands-on experience,
AllegroSound is "hear" to assist you.

 for AllegroBio


Quid pro quo
Info presented here is extraordinarily labor-intensive;
if you have not purchased from us in the 36 years we've
been in business, your contribution commensurate
with value provided is very much appreciated.




Featuring
* AllegroQC with 36+ yrs experience.
* Safe-packing. Trust your purchase to
one who knows & cares to pack it right.

World-Wide Shipping


Trade-ins
Trade-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 a $50 charge for inspection and testing.



If you're not in the market to Buy-Sell-Trade
TODAY, bookmark this page & check back later.

* 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.
     Unobtanium Class w/o market price     


  FAQs

Condition
Some be 10~60 yrs old with imperfections,
including non-functioning indicator lights.
We do our best to describe known issues,
but, as one man's "good" is another's "poor",
symantics/condition cannot be guaranteed.
NO "mint", "minty", "perfect", "excellent", etc.
All pre-owned/used unless otherwise noted.
See Pics, MainsVoltage, Terms below.



Pics
Pics 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


  Terms & Conditions
Equipment is carefully Inspected, Cleaned,
Variac'd, Tested for dc-offset & Auditioned
in ref system before it leaves our facility.
Quality work w/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.
All items subject to prior sale or no sale.
Not responsible for errors, typos, etc.
Symantics/condition not guaranteed.
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.



         

         



Moving-Coil Step-UPs


step UP to Accuphase...
   

fabled Accuphase C-7 MC Headamp,
dual-mono differential RET design,
26 db of gain plus Bypass-switch,
outperforms the usual suspects.
 
 Accuphase C-7 headamp



fabled Deane Jensen xfmrs
   
Audio Interface CST-80L.2
MC step-up transformer,
dual-mono construction
with 2 precision-matched
double-MuMetal-shielded
and critically-damped
Deane Jensen transformers,
31-Ohm inputZ, 31-db gain,
.005% THD 1kHz at -10dbv,
20Hz~95kHz -1db, outperforms
Cotter-Verion and most others.
(or, you could pay 20x more for
a new Audio Note AN-S8 xfmr)
 



fabled BRB Systems 1B mc headamp
discrete, pure DC pwr via 2 AA batts.
(or, you could pay 10x more for
Expressive Technologies SU-1)
   



       
Counterpoint SA-6 MC TUBE Headamp
c.1984, 2-12AX7B, frt-panel bias adjust,
obps, rack-mount panel,
AllegroMods  



a John "Curly" Curl design...
     made in usa
fabled Mark Levinson JC-1AC
MC Headamp, adjustable gain,
MC's from < 0.1mv to > 0.4mv,
outboard AC pwr sup, c.1972.
 
 Mark Levinson JC-1AC



passive gain, zero noise, wide-bandwidth...
   
Quicksilver MC step-up Transformer,
1Hz~100kHz -3db, 250 Ohms, 23 db,
capable of 2.8V 20Hz~20kHz output.
 



      
Yamaha HA-1 MC Headamp,
all-discrete, adjustable gain,
extruded aluminum casework,
same series as fabled T-2.  
matching T-2 tuner available.

 Yamaha HA-1 MC Headamp



help support this site with your contribution and referral


AllegroSound (Est.1973)
Los Angeles, California USA

Rick@AllegroSound.com
CONTACT AllegroSound


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