Audio Nemesis PM-1 Upgrade Edition UE zero-feedback, splitted Riaa, all discrete MM phono stage

No operational amplifiers, no feedback, no standard low cost parts, passive splitted Riaa. We cut any unuseful part and cost. Our long experience in audio circuit gave us a clear road, and we started developing this product.

960.00€

Κατόπιν παραγγελίας

ΚΟΣΤΟΣ ΑΠΟΣΤΟΛΗΣ ΟΠΟΥΔΗΠΟΤΕ ΣΤΗΝ ΕΛΛΑΔΑ: 5.00€

PM-1 Upgrade Edition UE , zero-feedback, splitted Riaa, all discrete MM phono preamplifier .

Awards
PM-1: http://www.highfidelity.pl/!ev/artykuly/20_12_2007/nagrody.html

Reviews
PM-1: http://www.highfidelity.pl/!ev/artykuly/09_02_2007/audion1.html
PM-1: http://www.tnt-audio.com/ampli/audionemesis_pm1_e.html

UE is a very special MM phono preamplifier with choices rare even in top of the line creations and never seen before in this class of audio products. No operational amplifier, no feedback, no standard low cost parts, passive splitted Riaa. We cut any unuseful part and cost. Our long experience in audio circuit indicated us a clear path, and we started developing this product.

PM-1 UE improves the already excellent performance of the previous PM-1, thanks to new fast-soft recovery diodes, new output caps, more precise Riaa e new FET output buffer!

A few features:
  • Custom mains filter power transformer
  • Fast-soft recovery diodes in TO-220 case (<25ns)
  • 7 separated power supplies
  • 6 out of 7 power supplies are discrete shunt regulated, improved over PM-1
  • zero-feedback
  • pure discrete FET and Bipolar design
  • new FET output buffer with perfectly matched FETs
  • very simple, non-complementary design
  • passive RIAA equalization, with improved precision over PM-1
  • splitted RIAA equalization
  • top quality active and passive parts (Dale 1% resistors, Panasonic 2% MKP csps etc)
  • AudioNemesis special output capacitors
  • Pure silver special wires
  • very short signal path
  • HDG (High Density Graphite) to damp vibrations
  • 47k/1k, 100/200/400pF input setting (RCA)
  • 3 years warranty
Input impedance can be set choosing between 47kohm and 1kohm, and choosing any combination among 100pF, 200pF and 400pF, for a perfect match with your cartridge.
Intense use of HDG blocks helps to reduce noise and to increase dynamic. The power transformer of the PM-1 is made with a top quality core, usually used in audio output transformers. In order to improve ESR, many low value electrolythic capacitors have been used in place of one or two high value ones.

<<...it's so quiet that I can use my DL-103R directly (the rest of the gain is supplied by the line preamp)...>>

Several Shunt regulated power supplies can be found in . Shunt regulation is expensive, rare and very good sounding. It's difficult to find this technique even in high cost products. We reduced any kind of noise coming from the power supply in many ways. It's very important to have clean, pure and fast power supplies. To improve the performance, we designed a custom mains filter. Despite the zero-feedback discrete design, the result in noise and hum rduction is a deep silence, rare also in high cost objects.

Specifications:
  • Power Supply: 110/120 Vac or 230/240 Vac 50/60 Hz +/- 10%
  • Power consumption: 10 Watts
  • Frequency response: 20Hz to 20 kHz + 0dB/ -1dB
  • Output: Non-Inverting
  • Riaa Precision: 20Hz - 20kHz ±0.2dB
  • THD: <0.3% @ 5 Vrms @ 1kHz
  • Output impedance: <200 ohm
  • Input: Gold plated RCA, Teflon insulated, unbalanced
  • Output: Gold plated RCA, Teflon insulated, unbalanced
  • Dimension (WxHxD): 23 x 8,5 x 34 cm.
  • Weight: 3,6 kg
  • Shipping weight: 4,0 kg
  • Shipping material: paper box and polystirene - 0,4 kg

 

All AudioNemesis products are made in ITALY - EU
What does it mean?
 
All CHASSIS PARTS including FRONT PANELS, HEAT SINKS, STRUCTURAL and COSMETIC PARTS
designed by and made in Milan
FRONT PANELS
designed by and made in Forlì-Cesena
CIRCUIT BOARDS
designed under specifications and manufactured in Ferrara
The ELECTRICAL parts used
come from all over the world, most are made in the USA and EU. Including:
POWER TRANSFORMERS
designed and manufactured by Profel (Italy) under our specs (or Italtras - Milan)
R-CORE POWER TRANSFORMERS
designed and manufactured in Asia (not China – there is no European manufacturer at the moment)
COUPLING CAPACITORS
manufactured by Clarity Cap, UK (or ERO-VISHAY)
INPUT SWITCHES
manufactured by Palazzo (Italy)
RESISTORS
mainly from DALE (USA) and Vishay (USA). The rest is bulk (always serious and reliable manufacturers)
All ASSEMBLY
done in Ravenna (Italy)
TESTING
done by
 
That's why products are MADE IN ITALY and not built in Asia, nor are they merely "assembled" in Italy but fully made in Asia. We are very proud of this

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