Audion Stereo Anniversary Series

Audion Sterling Stereo and  Stereo Integrated hard wired 30th Anniversary Power Amplifiers

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Audion Sterling power amplifier range

The Audion Sterling 30th Anniversary hard wired  Single Ended Stereo & Stereo Integrated power amplifiers come with a choice of EL34, KT88, KT120 and KT150 valves.  With power ranging from 12  to 25 watts per channel pure class “A” the Sterling valve stereo power amplifiers offer affordable quality and a sound performance better than many amplifiers costing 2, 3 or more times more.

They’ve got to be one of the best buys around” – Chris Beeching, Hifi News 

All of the Sterling amplifiers are punchy and certainly feel like they are truly capable of working with a wide range of loudspeakers.
 Each Sterling is a winner” – Johnny Darko

Where possible we avoid the use of Chinese components. These Pentode based amplifiers use unique ultra-linear circuits and of course our own output transformers. See the tabs below for list of amplifiers and options to suit your needs.
Overall I was very impressed with the quality and construction at the price
– Haider Bahrani, Hifi World 

Audion Sterling KT150 stereo front lit

Audion Sterling KT150 Anniversary Stereo

Audion Sterling 30th Anniversary amplifiers (Now 7th Generation) come with a wide range of options, from different valves like the EL34, KT88, KT90, KT120 & newly released KT150. Available in both stereo and 5 channel integrated stereo with an optional remote control volume. The Anniversary Sterlings are amongst our best sellers and are highly regarded, winning awards from around the world, year after year.

The Audion EL34 Sterling Anniversary amplifier kicks goal after goal” – John Darko 

The range consists of 8 different variations of the 30th Anniversary Sterling stereo, with power outputs from 12 – 25 watts and 4 different circuit topologies. 

The hard wired (Air Wired) 30th Anniversary single ended stereo amplifiers are wired point to point, they have full automatic biasing – so no need for complicated setups. Like all good single ended amplifiers the Sterling’s have remarkable speed and openness, and an ability to drive loudspeakers that belies their rated output power. 

The amps are dynamic and musical, straight out of the box. Sonically very “airy and spacious” with great response curves.

Astonishing reproduction of timbre of instruments – sounds divine” – Audio,Audio – Portugal

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. The integrated 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 a unique ultra-linear circuit and all Sterling power amps use a small amount of negative feedback to make the pentode valves work properly.

Our amps are ideally suited to loudspeakers of 89db or greater efficiency. They are normally wired for 8 ohm loudspeakers. 

Sonically, The Pentode valves used in the Sterling Range are robust and have a fantastic weight and clarity and the larger KT88, KT120 and KT150 are well suited to more difficult loads. 

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 front knob is solid aluminium.   

Technical specifications for all products in this range.

Warranty: 2 years return to base. Valves 6 months.

Specifications Stereo & Stereo Integrated EL34 

2 x 12 Watts Class A  into 8 Ohms at 240V AC
Load:  8 Ohm Nominal
Distortion @ 1Watt:   <0.1% No Feedback
Frequency Response: 12Hz  to >40KHz ±1 db
Consumption: – 140 Watts
Valves: – 2 x EL34, 2 x 6H23N

Specifications Stereo & Stereo Integrated KT88 

 2 x 18 Watts Class A  into 8 Ohms at 240V AC
Load:  8 Ohm Nominal
Distortion @ 1Watt:   <0.1% No Feedback
Frequency Response: <10 to >40KHz ±1 db
Consumption: – 160 Watts
Valves: – 2 x KT88, 2 x 6H23N

Specifications Stereo & Stereo Integrated KT120 

 2 x 24 Watts Class A  into 8 Ohms at 240V AC
Load:  8 Ohm Nominal
Distortion @ 1Watt:   <0.1% No Feedback
Frequency Response: <10 to >40KHz ±1 db
Consumption: – 175 Watts
Valves: – 2 x KT120, 2 x 6H23N

Specifications Stereo & Stereo Integrated KT150

 2 x 25 Watts Class A  into 8 Ohms at 240V AC
Load:  8 Ohm Nominal
Distortion @ 1Watt:   <0.1% No Feedback
Frequency Response: <10 to >40KHz ±1 db
Consumption: – 185 Watts
Valves: – 2 x KT150, 2 x 6H23N

Specifications Both Amplifiers

Sensitivity: Variable >200mV Full output
Noise: < (CCIR) – 85 db
Size:  42cm deep,23cm wide and 19cm tall – Less tubes 
Weight: 14Kgs stereo, 15Kgs Stereo Integrated, 11Kgs per mono-block
Fuses – Power 2A 240V / 3.5A 120V slow blow.
            HT. 500mA 240V / 1A 120V Slow blow

 

Product options for both type of amplifier, whether stereo or stereo integrated as well as various valve options.

Audion Sterling 30th Anniversary hard wired EL34, KT88, KT120  or KT150 power amplifier can be offered with an upgraded option of valves from different suppliers.
Upgrade options in terms of set Classes, see next Tab..
WBT NextGen 0210 gold RCA’s and/or WBT 0708 Copper NextGen binding posts.  

We also offer a remote volume control for all stereo and stereo integrated power amplifiers. New for 2020, full remote control option with built in 63 way stepped attenuator, remote channel change and volume as well as power off. Full metal handset.

Upgrade options and upgraded product categories direct from the factory.

We offer 3 upgrade classes for the Sterling stereo 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.
Signature Reference Class is fully silver wired with very special components (This class is normally reserved for our intermediate and high end ranges but due to customer demand we are now including it with our Sterling Anniversary range) – email us for full details 

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

Audion Sterling 30th Anniversary amplifiers (Now 7th Generation) come with a wide range of options, from different valves like the EL34, KT88, KT90, KT120 & newly released KT150. Available in both stereo and 5 channel integrated stereo with an optional remote control volume. The Anniversary Sterlings are amongst our best sellers and are highly regarded, winning awards from around the world. 

“The Audion EL34 Sterling Anniversary amplifier kicks goal after goal” – John Darko 

The range consists of 8 different variations of the 30th Anniversary Sterling stereo, with power outputs from 12 – 25 watts and 4 different circuit topologies. 

The hard wired (Air Wired) 30th Anniversary single ended stereo amplifiers are wired point to point, they have full automatic biasing – so no need for complicated setups. Like all good single ended amplifiers the Sterling’s have remarkable speed and openness, and an ability to drive loudspeakers that belies their rated output power. 

The amps are dynamic and musical, straight out of the box. Sonically very “airy and spacious” with great response curves.

“Astonishing reproduction of timbre of instruments – sounds divine” – Audio,Audio – Portugal

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. The integrated 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 a unique ultra-linear circuit and all Sterling power amps use a small amount of negative feedback to make the pentode valves work properly.

Our amps are ideally suited to loudspeakers of 89db or greater efficiency. They are normally wired for 8 ohm loudspeakers. 

Sonically, The Pentode valves used in the Sterling Range are robust and have a fantastic weight and clarity and the larger KT88, KT120 and KT150 are well suited to more difficult loads. 

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 front knob is solid aluminium.   

Technical specifications for all products in this range.

Warranty: 2 years return to base. Valves 6 months.

Specifications Stereo & Stereo Integrated EL34 

2 x 12 Watts Class A  into 8 Ohms at 240V AC
Load:  8 Ohm Nominal
Distortion @ 1Watt:   <0.1% No Feedback
Frequency Response: 12Hz  to >40KHz ±1 db
Consumption: – 140 Watts
Valves: – 2 x EL34, 2 x 6H23N

Specifications Stereo & Stereo Integrated KT88 

 2 x 18 Watts Class A  into 8 Ohms at 240V AC
Load:  8 Ohm Nominal
Distortion @ 1Watt:   <0.1% No Feedback
Frequency Response: <10 to >40KHz ±1 db
Consumption: – 160 Watts
Valves: – 2 x KT88, 2 x 6H23N

Specifications Stereo & Stereo Integrated KT120 

 2 x 24 Watts Class A  into 8 Ohms at 240V AC
Load:  8 Ohm Nominal
Distortion @ 1Watt:   <0.1% No Feedback
Frequency Response: <10 to >40KHz ±1 db
Consumption: – 175 Watts
Valves: – 2 x KT120, 2 x 6H23N

Specifications Stereo & Stereo Integrated KT150

 2 x 25 Watts Class A  into 8 Ohms at 240V AC
Load:  8 Ohm Nominal
Distortion @ 1Watt:   <0.1% No Feedback
Frequency Response: <10 to >40KHz ±1 db
Consumption: – 185 Watts
Valves: – 2 x KT150, 2 x 6H23N

Specifications Both Amplifiers

Sensitivity: Variable >200mV Full output
Noise: < (CCIR) – 85 db
Size:  42cm deep,23cm wide and 19cm tall – Less tubes 
Weight: 14Kgs stereo, 15Kgs Stereo Integrated, 11Kgs per mono-block
Fuses – Power 2A 240V / 3.5A 120V slow blow.
            HT. 500mA 240V / 1A 120V Slow blow

 

Product options for both type of amplifier, whether stereo or stereo integrated as well as various valve options.

Audion Sterling 30th Anniversary hard wired EL34, KT88, KT120  or KT150 power amplifier can be offered with an upgraded option of valves from different suppliers.
Upgrade options in terms of set Classes, see next Tab..
WBT NextGen 0210 gold RCA’s and/or WBT 0708 Copper NextGen binding posts.  

We also offer a remote volume control for all stereo and stereo integrated power amplifiers. New for 2020, full remote control option with built in 63 way stepped attenuator, remote channel change and volume as well as power off. Full metal handset.

Upgrade options and upgraded product categories direct from the factory.

We offer 3 upgrade classes for the Sterling stereo 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.
Signature Reference Class is fully silver wired with very special components (This class is normally reserved for our intermediate and high end ranges but due to customer demand we are now including it with our Sterling Anniversary range) – email us for full details 

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

Pictures of all model choices EL34, KT88, KT120 & KT150

Click on any of the pictures below for a full size image.

Dick Olsher
Dick Olsher
The Absolute Sound
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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
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"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
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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
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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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