Triodecraft300B-SEnewTriodecraft 300B-SE Monoblock Power AmplifierAudiophile grade 300B monoblock power amplifier, superior build quality. For the music lover who desires the best sonic presentation. Handcrafted in the USA. Our latest 300B single-ended...14900.00

Triodecraft 300B-SE Monoblock Power Amplifier

Listing ID: lis9eji0 Classified 
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Time Left: 18 Days
New Retail Price: $14,900.00


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Payment methodsPaypal card
Ships fromLAS VEGAS, NV, 89113
Ships toUnited States
Package dimensions26.0" × 26.0" × 12.0" (56.0 lbs.)
26.0" × 26.0" × 12.0" (56.0 lbs.)
Shipping carriersUPS or FedEx
Shipping costFree
Original accessoriesBox, Manual
Agon miniAverage Research Pricing

Audiophile grade 300B monoblock power amplifier, superior build quality. For the music lover who desires the best sonic presentation. Handcrafted in the USA.

Our latest 300B single-ended triode Class-A monoblock power amplifier reflects 22 design revisions over a four year period to achieve the goal of a flawless no-compromise product.​ Our 300B power amplifier is perfect for the discriminating audiophile demanding the highest performance.

The following nine items summarize our key ingredients that result in the most natural sound. ​TriodeCraft includes these premium features typically not found in the majority of available 300B power amplifiers regardless of price.​​

  • Internally shielded non-resonant solid walnut chassis with aluminum top and bottom plates.

  • Custom built Mega-core M6 laminated silicon steel transformers and chokes with low resistance OFC (copper) windings optimally gapped.

  • High current, high voltage Super Regulated multi-pole power supply supplies each vacuum tube individually.

  • Mechanically isolated transformers, chokes, and tube sockets prevent microphonic contamination.

  • Very low noise thermally stable precision matched wirewound and metal film resistors.

  • Polypropylene film/copper foil capacitors in lieu of commonly employed electrolytic capacitors.

  • Regulated 300B DC filament supply eliminates noise/coloration of conventional AC heater supply.

  • High purity OCC 6N silver bonded copper point-to-point hand wiring. Star-home run ground points.​​​​ Dual isolated ground planes.

  • Carefully selected matched vacuum tubes and precision top-shelf component parts.​

Our 300B power amplifier includes a separate Power Supply and Audio Unit for each channel. This design offers optimal parts layout, complete isolation of magnetic fields, and less unit weight for ease in handling and placement.​

For complete information please visit us: Triodecraft Website

Note: Input/driver and power tubes shown in photos are Psvane brand.

Ordering Information
Price is for a stereo pair including power supplies. More than one set available (ongoing sale). See our Policies and our Free Shipping Offer.

SOLD! Trade show demo set at 50% off, Click Order link on: Triodecraft Website

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Return Policy
Return Window

Item can be returned within 14 days of receipt.

General Terms

Items must be returned in their original condition, with all included packing materials and no signs of use. Buyer assumes responsibility for all shipping return costs unless the item was not received as described.


Buyer will receive a full refund in the original payment method less any shipping charges.

Special Conditions

PayPal Processing: Triodecraft is Verified commercial account.
Returns: We offer a 14-day in-home evaluation period that begins on the shipment delivery date. **Free Shipping: We refund the outbound Domestic US shipping cost after 14-days (evaluation period expiration) for non-returned products. International Customers: Orders are shipped via our freight forwarder. International customers responsible for all duties and taxes paid upon delivery.


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