Audio GDNFB-1 AmpnewAudio GD NFB-1 Amp Balanced 5 input Remote preamp w/8wpc headphone ampAsk us about 6 MONTHS NO INTEREST thru PayPal Underwood Hifi is glad to be selling Audio GD products exclusively in the US. Audio GD is a 20 year old Chinese company that produce...799.00

Audio GD NFB-1 Amp Balanced 5 input Remote preamp w/8wpc headphone amp

Listing ID: lisa9i7c Classified 
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underwoodwally 

member since July 2000

Underwood Hifi Inc.  Verified Dealer

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Condition
NEW
Payment methods
Ships fromMarietta, GA, 30067
Ships toUnited States and Canada
Package dimensions?" × ?" × ?" (15.0 lbs.)
Shipping carrierFedEx
Shipping costFree
Original accessoriesRemote Control, Box, Manual
AverageResearch Pricing

               Ask us about 6 MONTHS NO INTEREST thru PayPal

Underwood Hifi is glad to be selling Audio GD products exclusively in the US. Audio GD is a 20 year old Chinese company that produces state of the art products at affordable prices. Reviews on all their products have been excellent.

We ship from stock out of our Georgia warehouse. We also service the product in Georgia.
In the headphone.guru review they say:
"Audio-gd
has pulled no punches in their zeal to produce what is not only an
amazing deal at $799 US but one of the best solid-state amplifiers I
have heard."

"Audio-gd
doesn’t stop at just using state-of-the-art technology, they also use
the very best components including OCC wiring, matched transistors,
Vishay, Dale or KOA resistors, WIMA caps, as well as custom ordered NOVER
caps."

"Switching to my most demanding headphones the famous HiFiMan HE6se
Planar Magnetic headphones (connected via four Pin XLR) and choosing my
most demanding musical track Eiji Oue and the Minnesota Orchestra’s
performance of “The Firebird Suite” (“Stravinsky” – DSD) I was treated to the most lifelike performance I can recall hearing from a solid-state amplifier."

Conclusions:  "To
start with the Audio-gd NFB-1 AMP Headphone Amplifier/Preamp is one of
the best sounding solid-state headphone amps I have heard, which is
quite the accomplishment at such a low price. For raw power and damping,
as well as tonal balance and clarity I would happily put it up against
amplifiers costing two to three times as much. For musicality and
resolution, it can stand toe to toe with most tube amps."


Read the entire review at:  https://headphone.guru/audio-gd-nfb-1-amp-headphone-amplifier-preamp-gold-standard/
The NFB-1 Amp is a fully balanced preamplifier with 8 watts per channel balanced headphone amp.

All power supplies are run in pure Class A and the headphone amp is all
discrete.

Parts are all high quality including OCC wiring. It uses a
four-channel 100 step digitally controlled relay-based volume control to
guarantee exact channel balance for superb imaging.

THE NFB-1 has a pair single-ended class A FET buffers in the input stage. All the RCA
input signals go through these FET buffers. The guarantees the output
impedance is very low even if the source has a high output impedance.The FET buffers work in pure class A with very short signal paths.

The NFB-1 design has no compromises. It uses a full aluminum chassis, the
transformer is shielded from the analog amps and there are two shielded
boards to insulate the transformer and the power supplies. 

Parts used
are all high quality including DALE resistors, WIMA caps and custom made
NOVER caps from England.

In another review they say:
"The NFB-1 is a superb preamp and headphone amp at anywhere under $1500.00. We think a steal at only $799.00.The fully balanced design is based on the Master 9. Class A Power Supplies built in Discrete Headphone amplifier / Preamplifier Super accurate Volume Control 8000mW at 40 ohm output for the headphone amp OCC wire and hi-end parts used throughout "all
the usual superlatives goes with this pre-amp, smooth, detailed,
transparent, firm bass, etc. Compared to my transformer coupled tube
pre-amp it's only a fraction behind in overall soundstage and
holographic presentation.

Read the review at: http://www.troelsgravesen.dk/NFB-1AMP.htm
Specs: -S/N Ratio:     >125DB (Volume minimum)
-THD:            <0.002 %
-Gain :           +16DBHeadphone amp
-Output Power:  9900MW / 25 ohm    8000MW /  40 ohm   3500MW  /  100 ohm  1200MW / 300 ohm   600MW  /  600 ohm
-Preamp Output Level (Max) 10V @ RCA   20V @XLR    2.4MA @ ACSS
-Input impedance:  
47K ohm @ RCA   94K ohm @ XLR   <10 ohm @ ACSS
-Freq Bandwidth  (XLR input):  20Hz - 20KHz ( +/- 0DB )  1Hz - 220K (+0DB, -3DB)
-Channel Crosstalk: 
> 120DB
-Inter-channel balance: < 0.05DB

-Dimensions  9.4" W x 14.2" D x 3.15 H

We accept PayPal, Visa, AMEX, Discover, MasterCard, bank wires & money orders. 
Read our over 13,500 points of AudiogoN #1 rated feedback and then call 770-667-5633 with questions or to order this fine preamp/headphone amp or other Audio GD products.

Add $25.00 for Canada shipments

GA & HI residents add sales tax.

Brands carried: Ampsandsound tube electronics, Audio
Alchemy, Audio GD electronics, Audio GE Teddy speakers, Black Ice Audio tube
electronics, Bob Carver tube amplifiers, Burson Audio, Core Power Technologies
A/V Power conditioners & cables, DSPeaker room correction, EAT Turntables,
Emerald Physics speakers & amplifiers, Focal headphones, HifiMan
headphones, Iso-Acoustics, LSA speakers, headphones, turntables & electronics,
Marantz Reference, Martin Logan speakers & subwoofers, Mofi Electronics,
Musical Fidelity, Music Hall, Ortofon cartridges, Outlaw Audio, Peachtree
Audio, Project turntables, Pure Audio Labs DAC's, Quad, Raal Requisite headphones,
Silverline Audio speakers, SPL electronics,  Sumiko cartridges, Sweet Vinyl pop & click filters, Wireworld,
Wywires, Zesto Audio tube electronics


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