Tube Technology Genesis Monoblock Power Amps, good condition, 3 month warranty Tube Technology Genesis Monoblock Power Amps, good condition, 3 month warranty Here we have a pair of Monoblock power amplifiers from valve specialists Tube Technology. The Genesis amplifiers are able to provide 100 Watts from their complement of EL34 valves, meaning they are pretty powerful in valve terms, and they come in fully working condition. There are some cosmetic blemishes but please remember they are around 25 years old. Supplied in original factory packaging complete with manual and our standard three month warranty. Tube Technology Says…. The Genesis Signature 100 watt Monoblock configuration offers a vastly improved amplifier, over its predecessor which has been in production since 1988. This established design has undergone improvements which feature a higher current driver stage, uprated power supply for both the driver and output stage, individual tube protection with outboard bias monitoring facilities and best of all a superb new output transformer which achieves even greater bandwidth than before. The Monoblock configuration provides optimum stereo separation and consequently the strongest imaging and soundstage, while the full 100 watts output, available into the most difficult of loads, ensures an ease and effortlessness at all volume levels, not possible with lower powered amplifiers. The loudest musical crescendo, the deepest bass guitar note, the lowest rumble of an organ pipe are all conveyed with authority, control and total freedom from clipping which is vital for a life-like, believable musical experience. This is not power-for-power’s sake, this is vital energy for the total enjoyment of music. The high tension rail incorporates new smoothing capacitors, which are half the ESR (Equivalent Series Resistance) of the previous supply capacitors. These new devices use the latest manufacturing techniques complimenting the high speed power supply. The class A input stage utilizes its own dedicated solid state power supply, as does the fully balanced driver stage, featuring dedicated transformers these stages assist the amplifier to achieve maximum transient response without any phase shift. All signal paths are hard wired with PCOCC and silver cabling. Component quality is of high standard, selected for maximum performance and reliability, featuring 1% metal film resistors from Vishay, Roderstein and Holco and high quality polypropylene, film, and foil capacitors. For long life and reliability each Monoblock is fitted with an electronic soft-start, ensuring a gentle power-up sequence, without causing stress to the tubes as the stiff power supply comes on line. As with all our amplifiers build quality is of supreme importance ensuring extended service in the field. The chassis is hand-crafted from one piece of sixteen gauge non-magnetic high purity stainless steel. A new double-sided PCB with 3 ounce copper on 3/32 fibreglass, offer the tube bases mechanical and electronic stability which is important in a device that warms and cools as often as a tube amplifier. The double sided through plated connection also improves coupling with the remainder of the circuit and is the best alternative to hard-wiring. The output stage utilizes four EL34 pentodes, operated in Ultra-Linear S form, which is the only type of circuit to provide the lowest amount of total harmonic distortion. Feedback is kept to a bare minimum (11dB) keeping the amplifier frequency linear and stable into any load. The high performance output transformer has been developed over the last two years to create an optimum match between modern EL34 output tubes and the load it is designed to drive. This proprietary design is capable of extended bandwidth of over 70 kHz, which is exceptional for a device so large. Its agile performance can be likened to amplifiers a tenth of this power rating, incorporating specialist hand wound manufacturing techniques, including inductance measurements during winding for extra precision. The Genesis Signature Monoblock set a modern standard which is unequalled by many of its tube or solid state rivals, powerful enough to drive virtually any loudspeaker, precise enough to play music of any kind from classical to rock, this amplifier uses superlative design and manufacturing techniques allowing the listener to hear their music collection as it should be heard. Specifications: No. of Inputs: 1 single ended input per channel Input Sensitivity: 0.775 mV RMS for max power @ 100 W Input Impedance: 130 kOhms Tube compliment: 2 x ECC81/12AT7 twin triode Class of Operation: AB Type of Operation: push pull, ultra-linear Output Power: 100 watts RMS into 8 ohms Nominal Speaker Load: 8 ohms Rated Power Bandwidth: 12 Hz 58 kHz @ 100 W 1 dB Frequency Response: 4 Hz 68 kHz @ 1W 1 dB Total Harmonic Distortion: 0.05 % @ 1W; 0.3% @ Half Power; 1.0% @ Full Power Signal to Noise Ratio: -96 dB unweighted, input shorted Tube Compliment: 4 x EL34/6CA7 pentode Power Consumption: 135 W quiescent @ 240 V; 270 W full power @ 240 V Voltage Dimensions: 350 (W) x 270 (D) x 150 (H) mm Preamplifier Weight: 16 kg Manufacturer : Tube Technology Model : Genesis Serial Number : 006245/6 Packaging : Original Accessories Included : Manual Price When New :  Shipping Shipping cost:Please contact us or check listing info. If you are outside the UK you will need a shipping quote BEFORE buying. Delivery time:48 hours Payment We accept the following payment methods: Paypal Credit/Debit Card BACS Please contact us if you have any questions. Service Established in 2003, 2ndhandhifi is the UKs largest stockist of used quality audio equipment. All items are checked before despatch and guaranteed for 30 days for ebay buyers to give you peace of mind that the item will arrive safely and work exactly as per ebay descriiptions. This means that all items described as used will be in good working order but may show minimal cosmetic marks resulting from everyday use. Any more significant cosmetic issues will be highlighted in the listing if present. We accept most payment methods but card payment to our shop is preferred. 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I am selling my Tube Technology Genesis Monoblocks for no particular reason than I have now gone to solid state amps. I am the original owner and have enjoyed these amps for many years.If you live within a reasonable drive of the Sawbridgeworth area you are more than welcome to come and listen to them before paying for it. There are easy connections to the M11 and M25 and train stations. If you are coming via the train I will collect you from the station. They are in perfectly working with no scratches / blemishes and they sounds is wonderful as you can expect from a valve amp. Please note if you are collecting in person then I will refund the price of the delivery. Tube Technology Genesis Monoblocks power AmplifiersMade in U.K. by Tube TechnologyFull-service history with Tube Technology Triode modeAuto Tube Amp BiasValve fuse protection Tube Compliment (Valves)4x KT77 or EL341x ECC82 Brimar 1x ECC83 BrimarComes with Gold lion KT77 Physical CharacteristicsDimensions – 350 x 270 x 150mm (W, D, H) Amplifier Weight – 16kg ea Please ask for postadge cost.Courier cost to be calculated in addition to sale price.