Audion Full Product Range

Silver Night Stereo, Stereo Integrated, Parallel Single Ended and Push-Pull Monoblocks & Headphone Amplifier

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Audion Silver Night power amplifier range

The Audion Sterling Range consists of Single Ended Stereo & Stereo Integrated, Parallel Single Ended and Push-Pull Mono-block power amplifiers, as well as a hard wired headphone amplifier. The range offers a choice of the well known 300B or the lesser known PX25  or the exceptionally fine 2A3 valves (with the ability to use type 45 valves.  With power ranging from 2 watts per channel pure class A from our intermediate level Anniversary Silver Night 2A3 valve stereo power amp to over 30 watts per channel pure class “A” from our 300B push-pull model.

“Amplifier of the year” – Diapason D’or, France

The Silver Night range represents our intermediate level range and is currently in 7th/8th generation models, still affordable and using quality British, European or American components. The Silver Nights all reproduce truly and faithfully fast transients and beautiful musicality and are specifically designed for sonic performance rather than technical specifications. Like all of our amps, no bloated bass or “tinny top end” Just perfect reproduction of finite detail that bring a total listening experience. 

All of the Silver Night range of amplifiers work with a wide range of loudspeakers and truly exhibit all of the subtleties, details and nuances that the valves give a zero feedback design. 
 “Yes – its a great amp” – Constantine Soo

Where possible we avoid the use of Chinese components. These Triode based amplifiers use unique circuits and of course our own output transformers. See the tabs below for list of amplifiers and options to suit your needs

Silver Night 300B special Edition integrated stereo

Audion Silver Night Special Edition 300B Integrated Stereo

The Audion Silver Night amplifiers come with a wide range of options, starting with our Mk1 printed circuit board 300B stereo amplifier right up to our Special Edition 300B Mono-block Power amplifiers and now including our all new HPS Silver Night 300B headphone amplifier The Silver Night range represents our intermediate level models.

The range consists of 21 different variations of the Silver Night including our HP1 balanced / SE headphone amplifier and our unique Silver Night DUO that can use both 300B and 2A3 valves using a unique circuit topology. 

The hard wired (Air Wired) 30th Anniversary amplifiers are wired point to point. All of of our amplifiers have a volume control on the front which negates the need for a pre-amplifier in most cases. Our stereo integrated power amplifiers even have a 5 stereo channel passive pre-amplifier built in so you can use up to 5 line level inputs. These amps even have an un-attenuated output for feeding directly to a tape recorder or active sub-woofer or even to another amp for bi-amping. All of our single ended designs use unique circuits and are auto-biased so don’t need regular bias changing or complicated setting up. 

Our amps are ideally suited to loudspeakers of 89db or greater efficiency except for our mono-block versions that can cope with lower efficiency. 

Sonically, The Triode valves used in the Silver Nights give subtle nuances and texture to the music allowing un-paralleled music finition retrieval. The 300B is a very well know valve that can reproduce delicacies and yet be punchy at the same time. The PX25 although a lesser known valve does (in our opinion) everything the 300B can but with even better bottom end and top kick. 

Our Special Edition Silver Night series all have a solid silver audio path and internal interconnect, as well as our custom ” red power tubes” and feature WBT Nextgen binding posts, as well as our new look chassis. See New products for more details on the Special Edition range.

The Silver Night HP1 300B headphone amplifier is new to the range and features 8, 32, 150, 300 and 600 ohm switchable transformer output in either balanced or single ended mode. With 3 stereo input channels and a straight through un-attenuated output for connection directly to a power amp or similar, The HP1 headphone amp needs to be seen and heard. See New products for more details on the HP1 headphone amplifier   

The chassis is made of military grade aluminium, with a durable black powder coated finish. The top plate and badge are finished with mirror polished stainless steel.  The special Edition models feature a full depth mirror polished stainless top plate with hidden fixings and organic valve fillets.

Technical specifications for all products in this range.

  • Audio Transformers and chokes are designed, wound finished in house.
  • Superior quality parts sourced from Europe or the US. 
  • Ceramic valve bases, Polypropylene signal capacitors and quality audiophile components.
  • Hand built and generally hard wired point-to-point using proprietary (Air wiring) techniques.
  • Voicing of our amplifiers requires that every part is meticulously designed and tested and each amp goes through a 27 point check and 24 hours of intensive testing before it leaves the factory.
  • Pure class “A” operation, with auto self biasing. 
  • Zero Feedback Designs
  • Once the amplifier has burned in we listen to it to make sure it meets our exacting specifications before releasing each amplifier.
  • Full 2 year return yo base warranty with 6 months warranty on the Valves

See table below for the full range specifications.

AmplifierSterling MK1 PCB EL34Sterling Anniv. EL34Sterling Anniv. KT88Sterling Anniv. KT120Sterling Anniv. KT150Sterling Anniv. PSE KT88Sterling Anniv. PP KT88
Type Stereo & IntegratedStereo & IntegratedStereo & IntegratedStereo & IntegratedStereo & IntegratedMono-BlockMono-Block
Power 2 x 12 Watts Class A into 8 Ohms2 x 12 Watts Class A into 8 Ohms2 x 18 Watts Class A into 8 Ohms2 x 24 Watts Class A into 8 Ohms2 x 25 Watts Class A into 8 Ohms2 x 30 Watts Class A into 8 Ohms2 x 45 Watts Class A into 8 Ohms
Distortion @ 1 Watt<0.1% No Feedback”    “”    “”    “”    “”    “”    “
SensitivityVariable >200mV Full Output”    “”    “”    “”    “”    “”    “
Consumption130 Watts140 Watts160 Watts175 Watts185 Watts320 Watts320 Watts
Load8 Ohm Nominal”    “”    “”    “”    “4 & 8 Ohm Nominal4 & 8 Ohm Nominal
Frequency Response14Hz  to 34KHz ± 1db12Hz  to >40KHz ± 1db<10Hz  to >40KHz ± 1db<10Hz  to >40KHz ± 1db<10Hz  to >40KHz ± 1db<10Hz  to >40KHz ± 1db<10Hz  to >40KHz ± 1db
Noise< (CCIR) -85db”    “”    “”    “”    “”    “”    “
Valves2 x EL34, 1 x 6H23N, 1 x 56872 x EL34, 2 x 6H23N2 x KT88, 2 x 6H23N2 x KT120, 2 x 6H23N2 x KT150, 2 x 6H23N4 x KT88, 4 x 6H23N4 x KT88, 4 x 6H23N
Size Height, Width, Depth.19cm, 23cm, 42cm, ”    “”    “”    “”    “19cm, 23cm, 42cm,  each Mono19cm, 23cm, 42cm,  each Mono
Weight11Kg14Kg”    “”    “”    “14Kg each Mono14Kg each Mono
Fuses Power 240V 2A 120V 3.5A Slow Blow”    “”    “”    “”    “”    ” each Mono”    ” each Mono
Fuses HT240V 0.5A 120V 1A  Slow Blow”    “”    “”    “”    “”    ” each Mono”    ” each Mono
Input Impedance50K ohms. ”    “”    “”    “”    “”    “”    “
Warranty. 2 Years – Tubes 6 Months”    “”    “”    “”    “”    “”    “

Product options, both type of amplifier, stereo , stereo integrated or mono-block, as well as valve options.

The Range consists of the following
1. Silver Night MK1 Printed circuit board 300B stereo or 5 channel with integrated passive pre-amplifier stereo power amplifier
2. Silver Night 30th Anniversary hard wired EL34, KT88, KT120 or KT150 stereo or 5 channel with integrated passive pre-amplifier stereo power amplifier.
3. Sterling 30th Anniversary hard wired KT88 parallel single ended or push-pull mono block power amplifier. 

We also offer a remote volume control for all stereo and stereo integrated power amplifiers.

Upgrade options and upgraded product categories direct from the factory.

We offer 2 upgrade classes for the Sterling Range.. The upgrade classes are 
Insignia Class which uses a full silver wired audio path, better graded components again in the audio path, tantalum resistors in the critical places and WBT binding posts.
Excelsior Class uses the same as above but with the inclusion of Teflon/Tin foil V-caps, Internal Solid Silver wired Interconnect, a 43 way Stepped attenuator, better power supply capacitors and WBT RCA’s. 

There are options on both classes for solid silver wound secondaries or primaries and secondaries on the output transformer.

The Audion Silver Night amplifiers come with a wide range of options, starting with our Mk1 printed circuit board 300B stereo amplifier right up to our Special Edition 300B Mono-block Power amplifiers and now including our all new HPS Silver Night 300B headphone amplifier The Silver Night range represents our intermediate level models.

The range consists of 21 different variations of the Silver Night including our HP1 balanced / SE headphone amplifier and our unique Silver Night DUO that can use both 300B and 2A3 valves using a unique circuit topology. 

The hard wired (Air Wired) 30th Anniversary amplifiers are wired point to point. All of of our amplifiers have a volume control on the front which negates the need for a pre-amplifier in most cases. Our stereo integrated power amplifiers even have a 5 stereo channel passive pre-amplifier built in so you can use up to 5 line level inputs. These amps even have an un-attenuated output for feeding directly to a tape recorder or active sub-woofer or even to another amp for bi-amping. All of our single ended designs use unique circuits and are auto-biased so don’t need regular bias changing or complicated setting up. 

Our amps are ideally suited to loudspeakers of 89db or greater efficiency except for our mono-block versions that can cope with lower efficiency. 

Sonically, The Triode valves used in the Silver Nights give subtle nuances and texture to the music allowing un-paralleled music finition retrieval. The 300B is a very well know valve that can reproduce delicacies and yet be punchy at the same time. The PX25 although a lesser known valve does (in our opinion) everything the 300B can but with even better bottom end and top kick. 

Our Special Edition Silver Night series all have a solid silver audio path and internal interconnect, as well as our custom ” red power tubes” and feature WBT Nextgen binding posts, as well as our new look chassis. See New products for more details on the Special Edition range.

The Silver Night HP1 300B headphone amplifier is new to the range and features 8, 32, 150, 300 and 600 ohm switchable transformer output in either balanced or single ended mode. With 3 stereo input channels and a straight through un-attenuated output for connection directly to a power amp or similar, The HP1 headphone amp needs to be seen and heard. See New products for more details on the HP1 headphone amplifier   

The chassis is made of military grade aluminium, with a durable black powder coated finish. The top plate and badge are finished with mirror polished stainless steel.  The special Edition models feature a full depth mirror polished stainless top plate with hidden fixings and organic valve fillets.

Technical specifications for all products in this range.

Product options, both type of amplifier, stereo , stereo integrated or mono-block, as well as valve options.

The Range consists of the following
1. Sterling MK1 Printed circuit board EL34 stereo or 5 channel with integrated passive pre-amplifier stereo power amplifier
2. Sterling 30th Anniversary hard wired EL34, KT88, KT120 or KT150 stereo or 5 channel with integrated passive pre-amplifier stereo power amplifier.
3. Sterling 30th Anniversary hard wired KT88 parallel single ended or push-pull mono block power amplifier. 

We also offer a remote volume control for all stereo and stereo integrated power amplifiers.

Upgrade options and upgraded product categories direct from the factory.

We offer 2 upgrade classes for the Sterling Range.. The upgrade classes are 
Insignia Class which uses a full silver wired audio path, better graded components again in the audio path, tantalum resistors in the critical places and WBT binding posts.
Excelsior Class uses the same as above but with the inclusion of Teflon/Tin foil V-caps, Internal Solid Silver wired Interconnect, a 43 way Stepped attenuator, better power supply capacitors and WBT RCA’s. 

There are options on both classes for solid silver wound secondaries or primaries and secondaries on the output transformer.

Dick Olsher
Dick Olsher
The Absolute Sound
Read More
The Audion Sterling EL34 Anniversary Edition is a warm and dimensional-sounding amplifier with a potent lower midrange that does justice to the power range of an orchestra. It sang right out of the box and never misbehaved. Kudos to the Audion team for breathing new life into the venerable EL34 pentode. In my estimation, the Sterling EL34 represents a gift to music lovers everywhere. Highly recommended.
John Potis
John PotisSoundstage
Read More
"Very round, smooth and toasty," but "well capable of enough resolution to easily distinguish Red Book CDs from their SACD cousins"; the midrange is "smooth and luxurious," but the bass has "neither the detailed control nor the slam of any solid-state integrated in [the Sterling Stereo EL34's] price range" -- no surprise., pulvinar dapibus leo. "Fully capable of refined tube splendor that's unanticipated at its price level."
John Marchant
John MarchantHifi Review.com
Read More
The sound was a contrast, detailed and extremely musical. There was no slowness and desire to lull the listener, for which I dislike for a directly heated triode single end.
John Darko
John Darko@username
Read More
Every Sterling feels like it's punching well above its weight. So Good I bought one myself. More seasoned audiophiles will know that good amplification – no matter the topology – has no sound of its own. Don’t expect the thick syrup or golden hues of sub-$1000 Chinese units. There is no sickly/heavy sauce here. Neither is there porridge bass. Who said tubes are no hopeless below the waist? (Fools!) This Audion is the healthiest of extra virgin olive oil: light, transparent, clean. And fast. It is unburdened by ponderous, labouring low frequencies or musical weight gain. Its talents lie in 1. the ability to drive a wide range of loudspeakers and 2. the beautification of music. Each combination a winner.
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