Our new flagship integrated amplifier. Designed to get the best out of the fabulous 845 valve. Ideal for someone wanting the ultimate in luxurious warm sound.
The legendary 845 luxurious sound quality is presented here in nearly all class A, as the valves are only running at 35% of their rated output. The attention to detail and quality will reveal the finest detail of your recordings in a warm musical form.
Everything possible has been done to allow this superb valve to work its magic. Forty watts is ample power to obtain a high volume in most situations. This means that all of the components and valves are generously rated to give the ST845 its enviable sonic signature. And still comfortably get everything in one chassis.
The importance of Push Pull. Many exotic SE designs are criticised for their distortion and bass performance. A glance at the ST845 figures shows real bass power at low distortion is possible!
The sound quality: tested on a wide range of loudspeakers the ST845 offers a very unbiased interpretation of music that only valves can do. The design is deceptively simple, using very little feedback, lots of pure copper and heat!
You can expect a three dimensional sound stage, and very precise imaging is more precise. The “texture” of each instrument is more apparent.
Why did we design this? Following our very successful MB845 110w mono blocks, we realised that there are many people who just love the sublime quality of the 845 valves but do not need high power or have the space needed for two large mono blocks and a pre-amp. Surprisingly 100w to 40w is only 3.9db lower in sound output, so the ST845 is an excellent relatively small one box.
Summary: The finest pure triode presentation without the high power of our MB81s. Created with absolute listening quality in mind. The “ultimate” triode PP integrated amplifier.
- Pure Class A, Triode front end
- Pure Triode 845 push pull output Stage
- All hand wired point to point
- Remote control volume
- May also be used as a power amplifier
- Comprehensive manual supplied
- Built in “Easy Bias” Meter
- ALPS Japanese volume pot.
- 4x 845 precisely matched
- 2x 6SL7 first stage valves
- 2x 6SN7 output driver valves
- 1x GZ34 driver stage rectifier
- Max output one channel 41w 8Ω 1% THD*
- 40+40w 8Ω both ch driven 0.5% THD*
- THD 8w 0.15%. 1w 0.09%
- Max output into 4Ω 32w (11.3v)
- Max output into 16Ω 39w (25v)
- Signal to noise level -105db
- Channel balance better than 0.1dB
- Damping factor of 14
- Freq response 10hz-20kHz -0dB (41kHz –0.1db) 8w
- Freq response 20Hz-20kHz 0.25dB (40kHz -1dB) 38w
- Suitable loudspeakers 4Ω to 16Ω
- *Low Distortion Tertiary wound output transformers
- Transformers potted to reduce noise
- Solen/SCR Hi Fi quality audio capacitors
- Jensen copper foil on request
- Silver plated pure copper PTFE audio cable
- Gold plated Input & speaker terminals
- Attractive Plexiglas cover supplied
- Four line inputs
- Record loop
- 300mv sensitivity.(high) for full output
- 950mv sensitivity (low) for full output
- Input impedance 100 kΩ
- 220/240/115 volts 220watts typical, 500w max
- C E. FCC ROHS
- 44cmW, 46D, 24H (28H with cover), 35kg
Typical Figures @ 235v Provisional specifications subject to change
(Specifications subject to change, errors & omissions excepted. General July 2018)
We are still delivering orders as normal. When your order ships you will still receive tracking details. For UK shipments, Our couriers have procedures in place to ensure deliveries are arriving as quickly & safely as possible. Drivers can now sign for your parcels, however will notify you that they have arrived, in order to ensure you receive your parcel. Signing for the parcel has now been stopped temporally for hygiene reasons. Drivers are also working with customer instructions, so you can ask them to leave the parcel in a safe place (doorstep etc...) if you prefer not to come into direct contact with the driver.
Express Delivery is FREE on all orders over £50. Express Delivery offers delivery in 24-72 hours from time of purchase. We use premium couriers for this service, mainly DPD & Royal Mail. DPD will offer you a one hour window for delivery to make sure someone is at home, or you can reschedule the delivery if no one is around.
Here at Kronos AV, we have vast experience with e-commerce sales. Making sure that your parcel arrives undamaged is a huge priority for us. That’s why at Kronos AV, we only use premium couriers for all our orders. All our parcels are shipped with DPD or Royal Mail and are always sent Signed For to make sure it gets to the right person.
If for any reason your parcel does arrived damaged, please get in touch, and we will be happy to get everything resolved for you. We are always on hand to help!
We can offer very generous trade in offers across the majority of our product range.
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If you have any question, please feel free to call us on 03435236169 or email firstname.lastname@example.org