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PrimaLuna ProLogue Premium Monoblock Power Amplifier






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This PrimaLuna ProLogue Premium Mono Amplifier features:

  • Hand-made construction with the finest point-to-point wiring, using workmanship that is equal to or better than any product you can buy at any price.

  • A heavy-gauge, fully-vented steel chassis with a five coat finish. Each coat is hand-rubbed and polished.

  • Premium parts that include a toroidal transformer for power supply; custom designed -in conjunction with one of the most prestigious transformer designers in the USA- encapsulated output transformers the quality of which fits nicely between standard

  • ProLogue and DiaLogue transformers; wide bandwidth for great bass and extended highs; ceramic tube sockets; ALPS volume control; Nichicon and Solen capacitors; superfast Philips-diode-circuitry; gold-plated heavy duty WBT style speaker terminals (all speaker connectors are solid shaft, without hole, for better conductance, better sound and higher reliability); gold-plated panel mounted input jacks.

  • SoftStart™ circuit for extended life of sensitive components, plus a reduced chance of tube failure from thermal shock.

  • A new generation Adaptive AutoBias™ exclusive to PrimaLuna. This circuit monitors and smoothly adjusts bias constantly and instantly, reducing maintenance and increasing performance due to the dramatic reduction in distortion. It comes with a new extensive output stage protection circuitry with +B relay to protect output transformers, resistors and high voltage power supply in case a tube fails. In all ProLogue Premium Amplifier models the new generation Adaptive Auto Bias Board comes with our new BTI™ circuit. BTI™ stands for Bad Tube Indication (by LEDs), making tube-life again a bit easier.

  • The ProLogue Premium Stereo Amplifiers as well as the Integrated and Mono amplifiers come with an EL34/KT88 bias switch. This means that with the flip of a switch you can choose for the optimum bias setting for EL34 type of tubes or KT88 type of tubes. No hassle with screwdrivers, no messing around with meters etc. Just switch tubes, switch bias!

  • No more 12AX7 tubes in the ProLogue Premium range of products. Instead of a 12AX7/12AU7 combination in each channel, we use a double 12AU7 combination. Lower distortion levels, higher level of sound quality. Distortion levels in the first stage have dropped with a factor of 5 at low levels to at least 20 at higher levels, above 1V.

  • All new PrimaLuna PTP™ (Power Transformer Protection) circuit. When the power transformer overheats due to environmental circumstances, overloading or some problem in the unit, an internal thermal switch breaks the primary, allowing the unit to cool down before harm is done. After it’s cooled, contact is restored and if nothing is broken, the amp will repower and function properly.

  • All new PrimaLuna OTP™ (Output Transformer Protection) circuit which further protects the amplifier.

  • LIVE side of AC input connector indicated by aluminium color screw.

Power 70 Watts per channel
Frequency Response 7Hz - 140kHz -3 dB
THD with AABB less than 1% at rated power
S/N Ratio 75 dB flat; 92dB WTDA
Input Impedance 100 kOhm
Input Sensitivity 900 mV (for rated power at maximum volume setting)
Maximum Gain 28 dB
Power Consumption 255 Watts
Net Weight 49.5 lbs / 22.5 kg
Shipping Weight 58.4 lbs / 26.5 kg
Dimensions 15.4" x 14.4" x 8" / 390 mm x 365 mm x 202 mm (L x W x H)
Shipping Dimensions 22.7" x 18.4" x 12" / 577 mm x 468 mm x 305 mm (L x W x H)
Inputs 1 Single RCA
Outputs 2, 4 & 8 Ohm Speaker Taps
Tube Complement 4 x EL34
4 x 12AU7

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We offer FREE delivery to the mainland UK (excluding Channel Islands, Isle of Man, Isle of White, Isles of Scilly, and some of the remote Scottish Isles).

For other areas please contact us for a quote. Select items can be delivered internationally by prior agreement. Again please contact us for a quote. We will always do our best to help.

Our aim is to dispatch goods within 2 working days of an order being placed. Please allow 5 working days from the time of your order to receipt of item. If an order is expected to take longer than this our order fulfillment department will contact you to inform you of this.

Where multiple items are ordered, we will dispatch them all in one package. If you have ordered any special or customized items, or items otherwise not immediately available, we will dispatch the order when all items are available. If you have any concerns regarding this, please contact us and we will do are very best to help you.

PrimaLuna ProLogue Premium Monoblock Power Amplifier

Nintronics offers generous trade in prices to help make your next upgrade as seamless as possible, while greatly reducing the overall price of your purchase. Depending upon the items involved, Nintronics will be happy to send out one of our nationwide installation engineers to collect your traded in items and unbox, setup and calibrate your new equipment.

PrimaLuna ProLogue Premium Monoblock Power Amplifier

"Please include age, condition, make, model and serial numbers of the units you wish to trade in. Please note if you have the original accessories, boxes, invoice etc... This will help with increasing your trade in value."

Nintronics Ltd, Unit 7, Martinfield Business Centre, Welwyn Garden City, AL7 1HG
Tel: 01707 320788 Email:

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