Audion Mono Blocks PSE & PP

Sterling Parallel Single Ended and Push-Pull Monoblocks

5 Star Awarded
5/5

Audion Sterling power amplifier range

The Audion Sterling Anniversary range of hard-wired hand built mono-blocks consists of 4 models KT88 Parallel Single Ended and Push-Pull power amplifiers, and new for 2019 we have included the powerful KT150 as an option on our Push Pull  and Parallel Single Ended power amplifiers.

There is a volume control on the front which means that a pre-amplifier is not always necessary. Being Auto biased means that both the PSE and PP amplifiers can take almost any KT88 (the amps are supplied with JJ tubes).

These Audion Sterling Anniversary edition Mono Blocks are very musical with smooth transients, good signal handling and tight response curves as well as good overall sonic performance.

These amplifiers are best suited for use with loudspeakers of 85db efficiency or better. 

 

Audion Sterling KT150 Push pull mono blocks

Audion Sterling KT150 Anniversary Push Pull

New for 2019

Audion Sterling hard wired , hand built mono block power amplifiers come with a range of options,  and represent our entry level mono-block high power models.

The hard wired (Air Wired) 30th Anniversary amplifiers are wired point to point. The Parallel single ended design uses a unique ultra-linear circuit. Both mono blocks use a small amount of negative feedback to make the pentode valves work properly.

Fitted with our own design “wound in house” output transformers and power chokes, and huge polypropylene caps in the power supply, the mono-blocks deliver true outstanding power and control.

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

Technical specifications for all products in this range.

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

Specifications Parallel Single Ended

2 x 30 Watts Class A  into 8 Ohms at 240V AC
Load: 4 – 8 Ohm Nominal
Distortion @ 1Watt:   <0.1% No Feedback
Frequency Response: <10 to >40KHz ±1 db

Specifications Push Pull

 2 x 45 Watts Class A  into 8 Ohms at 240V AC
Load: 4 – 8 Ohm Nominal
Distortion @ 1Watt:   <0.1% No Feedback
Frequency Response: <10 to >40KHz ±1 db

Specifications Both Amplifiers

Sensitivity: Variable >200mV Full output
Noise: < (CCIR) – 85 db
Consumption: 160 Watts per mono-block
Tubes: 2 x KT88, 2 x 6H23N
Size:  42cm deep,23cm wide and 19cm tall – Less tubes 
Weight: 11Kgs per mono-block
Fuses – Power 2A 240V / 3.5A 120V slow blow.
            HT. 500mA 240V / 1A 120V Slow blow

Product options for mono-blocks, as well as valve options.

1. Sterling 30th Anniversary hard wired KT88  or KT150 parallel single ended mono block power amplifier.
2. Sterling 30th Anniversary  hard wired KT88 or KT150 push-pull mono block power amplifier.
3. Valve options for KT88 Include JJ KT88 or  Electro Harmonix KT88 or even KT90 valves.
4. WBT NextGen 0210 gold RCA’s and/or WBT 0708 Copper NextGen binding posts.  

 

 

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.

Audion Sterling hard wired , hand built mono block power amplifiers come with a range of options,  and represent our entry level mono-block high power models.

The hard wired (Air Wired) 30th Anniversary amplifiers are wired point to point. The Parallel single ended design uses a unique ultra-linear circuit. Both mono blocks use a small amount of negative feedback to make the pentode valves work properly.

Fitted with our own design “wound in house” output transformers and power chokes, and huge polypropylene caps in the power supply, the mono-blocks deliver true outstanding power and control.

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

Technical specifications for all products in this range.

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

Specifications Parallel Single Ended

2 x 30 Watts Class A  into 8 Ohms at 240V AC
Load: 4 – 8 Ohm Nominal
Distortion @ 1Watt:   <0.1% No Feedback
Frequency Response: <10 to >40KHz ±1 db

Specifications Push Pull

 2 x 45 Watts Class A  into 8 Ohms at 240V AC
Load: 4 – 8 Ohm Nominal
Distortion @ 1Watt:   <0.1% No Feedback
Frequency Response: <10 to >40KHz ±1 db

Specifications Both Amplifiers

Sensitivity: Variable >200mV Full output
Noise: < (CCIR) – 85 db
Consumption: 160 Watts per mono-block
Tubes: 2 x KT88, 2 x 6H23N
Size:  42cm deep,23cm wide and 19cm tall – Less tubes 
Weight: 11Kgs per mono-block
Fuses – Power 2A 240V / 3.5A 120V slow blow.
            HT. 500mA 240V / 1A 120V Slow blow

Product options for mono-blocks, as well as valve options.

1. Sterling 30th Anniversary hard wired KT88  or KT150 parallel single ended mono block power amplifier.
2. Sterling 30th Anniversary  hard wired KT88 or KT150 push-pull mono block power amplifier.
3. Valve options for KT88 Include JJ KT88 or  Electro Harmonix KT88 or even KT90 valves.
4. WBT NextGen 0210 gold RCA’s and/or WBT 0708 Copper NextGen binding posts.  

 

 

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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