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About Us Contact Us Terms delivery returns Home Menu Home HiFiAll in One Music SystemsAmplifiersBlu-Ray and DVD PlayersCartridgesStylus ReplacementsCD PlayersDACsDigital ProductsEquipment SupportsHeadphone AmplifiersHeadphonesHi-Fi SupportsiPod & MP3 DocksMedia PlayersMusic StreamersOtherPhono StagesPortable Music PlayersSpeaker Stands and SupportsSpeakersTonearmsTunersTurntables and EssentialsHome CinemaCablesEccose Cable ShopNordost & Wyrewizard CablesQED Cable ShopWireworld Cable ShopBurn-In ProductsCable Burn-In ServiceCardas Custom Adaptors & CableChord Company CablesDigital InterconnectsEthernet CablesHDMI CablesInterconnectsMains CablesMains ProductsSpeaker CablesSub-Woofer InterconnectsTonearm Cables and ConnectorsUSB CablesCables and ConnectorsAccessoriesBluRay CalibrationCartridge Mounting KitsCartridge TagsCD, DVD Cleaning & CareFurutech ShopHeadshell LeadsHeadshellsHi-Fi FusesIsolation ProductsMains BlocksMains ConnectorsMaintenance / CleaningMichell Engineering ShopNaim ShopPower SupplysPro-Ject Turntable Spare PartsRecord Cleaning and CareRecord Cleaning MachinesRecord SleevesRoksan AccessoriesStylus CleanersTape CleanersTerminations & SolderTonearm EssentialsTurntable BeltsTurntable CoversTurntable Setup ToolsTurntable Upgrades and KitsValve and Tube EssentialsVinyl LP Display & StorageVPI ShopMusicCDsMusic CD’s & SACD’sVinyl Records HiFiAll in One Music SystemsAmplifiersBlu-Ray and DVD PlayersCartridgesStylus ReplacementsCD PlayersDACsDigital ProductsEquipment SupportsHeadphone AmplifiersHeadphonesHi-Fi SupportsiPod & MP3 DocksMedia PlayersMusic StreamersOtherPhono StagesPortable Music PlayersSpeaker Stands and SupportsSpeakersTonearmsTunersTurntables and EssentialsHome CinemaCablesEccose Cable ShopNordost & Wyrewizard CablesQED Cable ShopWireworld Cable ShopBurn-In ProductsCable Burn-In ServiceCardas Custom Adaptors & CableChord Company CablesDigital InterconnectsEthernet CablesHDMI CablesInterconnectsMains CablesMains ProductsSpeaker CablesSub-Woofer InterconnectsTonearm Cables and ConnectorsUSB CablesCables and ConnectorsAccessoriesBluRay CalibrationCartridge Mounting KitsCartridge TagsCD, DVD Cleaning & CareFurutech ShopHeadshell LeadsHeadshellsHi-Fi FusesIsolation ProductsMains BlocksMains ConnectorsMaintenance / CleaningMichell Engineering ShopNaim ShopPower SupplysPro-Ject Turntable Spare PartsRecord Cleaning and CareRecord Cleaning MachinesRecord SleevesRoksan AccessoriesStylus CleanersTape CleanersTerminations & SolderTonearm EssentialsTurntable BeltsTurntable CoversTurntable Setup ToolsTurntable Upgrades and KitsValve and Tube EssentialsVinyl LP Display & StorageVPI ShopMusicCDsMusic CD’s & SACD’sVinyl Records Customer services About us Delivery & returns Privacy Policy Terms & Conditions Latest Products Conrad Johnson LP66S Tube Power Amplifier (Pre Owned) Conrad Johnson LP66S Tube Power Amplifier (Pre Owned) £1299.00 Add to wishlist Watch this item Ask seller a question Description Customer Reviews Delivery Payment Returns Description Conrad Johnson LP66S Power Amplifier (Pre Owned)Good Condition, Original Packaging, Manual. Some small paint chips around where Valve Cage fits,No Bias adjustment ScrewdriverAmplifier Bias has been set and the amp has been on soak test for two daysConsistent with conrad-johnsons design philosophy that circuits should be kept as simple as possible, the LP66S works its magic with just seven vacuum tubes. A composite triode input stage is direct coupled to a cathode-coupled phase inverter the same improved wide-bandwidth driver stage found in our other, more costly LP amplifiers. The output stage is comprised of a pair of 6550s (each channel) operated in ultralinear configuration for an optimal combination of high power and low distortion. Limited negative feedback is applied to the circuit to reduce distortion and provide a sufficiently high damping factor to control most real-world speaker systems. Discrete dc power supply regulators are provided for the input and inverter stages, in order to isolate each stage from the output signal.As with all conrad-johnson tube amplifiers, the LP66S requires no complicated adjustments or specialized equipment to maintain. To assure continued peak performance, the owner need only make a simple bias adjustment when new tubes are installed. Built in LED bias indicators allow the user to make this adjustment using only the supplied screwdriver.Component parts quality is a signature strength of any conrad-johnson product.Audio circuit and related power supplies feature precision metal film resistors and high-performance polypropylene capacitors. There are no electrolytic capacitors in the audio circuits or in the related power supplies. Proprietary wide-bandwidth output transformers contribute to excellent high frequency performance. Even the input/output connectors and internal wiring have been carefully selected for optimal sonic performance.Conservatively rated at 60 watts per channel, the LP66S offers sufficient power for most applications.Users who have not previously experienced the dynamic range and lifelike timbre of tubed components will find the LP66S an ideal introduction to the joys of modern tubed amplifiers. Along with its tonal integrity, its ease of use, low maintenance costs, and reliability will be a revelation for those who have only experienced entry-level tube gear. For veteran audiophiles, its modest price and size make it a great choice for bringing conrad-johnson quality to a second system. A word of warning if you are in this last group: whether in the den, library, or bedroom, the LP66S wide bandwidth and low distortion will give your main system a run for the money.Specifications:Power: LP66S 60 watts per channel from 30 Hz to 15 KHz at no more than 1.5 % THD or IMD, both channels driven into 4 ohms (also available connected for 8 or 16 ohm loads)Sensitivity: 0.5 V to rated powerFrequency Response (at 10 watts): 20 Hz to 20 kHz, +/- .25 dBHum and Noise: 102 dB below rated powerInput Impedance: 100 kOhmsTube Complement: 3 x 6922 | 4 x 6550Mechanical:Dimensions: 19W | 6.375H | 16D inchesWeight: 45 lbs. Customer Reviews Feedback/itemFrom Buyer Date/time Great seller – item arrived very quicklyAnalogue Studio Anti-static Record Cleaning Arm. (HI-FI Choice Recommended)bigcol*123 (602)Great seller – item arrived very quicklyKeith Monks discOvery™ Natural Precision Record 33/45 Cleaning Fluid – 1 Litre Bbigcol*123 (602)Slow postage but they still arrived safeVinyl Passion Dust Buster Stylus Cleanerbulldustt (412)Perfect…A++++The Beatles – The Decca Tapes Deluxe Gatefold Edition VINYL LP DOL930HGrviolasousa (149)Super fast delivery. Good cable. Many thanks.WireWorld Stream 16/2 Home Cinema Speaker Cablelittlegazza1 (1054) Delivery Postage is relevant to Country.
UK deliveries are made via Royal Mail or Courier.
Canada & USA delivery are made via Airmail.
Western Europe deliveries are made via Airmail.
Australia and New Zealand deliveries are made via Airmail. Payment PaymentAll items must be paid for within 7 days of the transaction date by one of the following payment methods:Credit Card (All types accepted)
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Bacs TransferIf you are unable to make payment within the specified time period please let us know as soon as possible. Returns ReturnsWe want you to feel happy with your purchase, so if for any reason you are not, you may send your item(s) back to us within 14 days for a full refund or exchange-free of charge.Please note, postage costs are non refundable except in the following circumstances:* the item you receive is different to that ordered.* OR the item you receive is damaged or faulty.In the above cases a full refund/exchange will be issued including any additional postage costs incurred by the buyer.**Please note, we can only refund up to the minimum postage amount required to send your item(s) back to us. Therefore, we always recommend that items be returned to us using royal mails 2nd class service with recorded delivery for insurance purposes.All items must be returned to us in their original condition within 14 days of receipt. Please let us know before hand why you are planning on sending an item back to us and remember to include this information in your return. It is also vital that you include your user id & item number so we can deal with your request for a refund or exchange as quickly as possibleAll refunds will be issued via your original method of payment and normally take up to 3 working days to process. Related productsArcam rPhono MM/MC Phono Stage – Brand New, Sale! RRP £399£298.00View itemPro-Ject Pre Box S2 Digital Pre Amplifier – Black£300.00View itemRothwell RCA In-Line Attenuators Pair -20dB£38.99View itemPS Audio Sprout 100 Integrated Amplifier with Phono Stage£600.00View item Browse shop Home Amplifiers Cartridges Speakers Turntables DACs Tonearms Customer services About us Delivery & returns Privacy Policy Terms & Conditions Contact us The Manor House Manor View Whittlesey Peterborough, Cambridgeshire, PE7 1TF Newsletter sign-up Sign up to hear about latest news & offers. Sign up Secure payment
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