ampsandsoundNautilususedAmpandSound NautilusAMPANDSOUND NAUTILUS AMP AmpandSound Nautilus Headphone & Speaker Amplifier! Unit is a DEMO Unit in Excellent Condition with All Original Accessories and Box... NO PAYPAL! We ONLY Use our Bank...6250.00

AmpandSound Nautilus

Listing ID: lisb61a3 Classified 
 Listed  · 178 Views

Time Left: 14 Days

Ending: 04/26 at 01:55 AM

New Retail Price:$10,000.00

$6,250.00

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Condition
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Ships fromLas Vegas, NV, 89113
Ships toUnited States
Package dimensions28.0" × 23.0" × 16.0" (100.0 lbs.)
Shipping carriersUPS or FedEx
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Original accessoriesBox
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AMPANDSOUND NAUTILUS AMP

AmpandSound Nautilus Headphone & Speaker Amplifier!

Unit is a DEMO Unit in Excellent Condition with All Original Accessories and Box...

NO PAYPAL! We ONLY Use our Banks CC Processing...

ALL SALES ARE FINAL and Include Authorized Dealer Support! 

NO OTHER PICTURES AVAILABLE! Unit has Never Been Registered!  Unit has been on Display for 6 Months and is only played during Business Hours 2 Days a Week...

The Nautilus is one of our flagship Personal Audio Tubed Integrated Amplifier.
Many still love the sleek lower profile look of the Classic Nautilus and as such we allow you to order your Nautilus with the original metal work style.
 

The Nautilus brings the dual-mono layout onto a single chassis. We started with our most versatile circuit, the Mogwai, and went about creating two separate amps that share a single chassis. 2 Power Transformers, Separate Power Supplies, Chokes, and input transformers. The amps are built with separate turret boards, with the shared component being the input tube, volume control, and outputs. We were unconstrainted with parts selection and layout and chose the most robust power transformer and widest/least distortion output transformers we could find.

The Nautilus’ hand build nature and part selection necessitated a robust hand fabricated chassis. We partnered with our existing CNC metal fab house to build a 12 gauge steel chassis with bracing that could support the 44lbs of transformers without a hint of strain. In total, the Nautilus is 68lbs before packing. We additionally choose to cover all the transformers and business end of the amp with a gorgeous chrome cover.

Bench report with 12AX7 inputs with 5ARA4 recifiers and KT88's

Input sensitive: with 12AX7 input @ 1.4V P-P on SE input

Noise: @ 300ohm/HiZ 2.1mV RMS

Noise: @ 100ohm 1.5mV RMS

Noise: @ 32ohm 1.2mV RMS

Noise: @ 16ohm 1mV RMS

Noise: @ 8ohm LoZ 660uV RMS

Max Power @ 8ohm  @ 8watts RMS with KT88s and 5AR4s

Max Power @ 32ohm@ 5watts RMS

Max Power @ 100ohm @ 6watts RMS

Max Power @ 300ohm @ 6watts RMS

Ultra-wide bandwidth; 10hz to 32khz @ 1 watt -1db

THD 1Watt @ 1.22%
THD 2Watt @ 1.84%
THD 3 Watt@ 2.45%
THD MAX @ 3.27%
Noise ACV=0.24mV 

Compatible with nearly every headphone.

Power and Noise specs are dependent on tube selection.

Actual size is  14”deep, 18” wide and 8”tall. (70lbs)

Amp weighs in at 70lbs/100lbs shipped in a large Pelican style case.

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forearsonly 

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