EICO HF81 Completely Heyboer Power Transformer Mullard Tubes

( Brand: Eico ), ( Model: HF81 ), ( Type: Integrated Amplifier ), ( Country/region Of Manufacture: United States )

Review EICO Completely Restored Heyboer Power Transformer Mullard Tubes

The Eico HF81 Completely Heyboer Power Transformer, designed for use with Mullard tubes, is a high-quality component that is sure to impress any electronics enthusiast or audio aficionado. This transformer is a testament to the craftsmanship and attention to detail that Eico is known for.

The HF81 transformer is a 6.3V, 500VA unit, specifically designed for use with Mullard tubes in vintage audio equipment. It is constructed using high-quality materials and techniques, ensuring that it can handle the demands of high-power audio applications without fault. The transformer is fully potted in epoxy resin, which not only provides excellent mechanical strength but also improves its electrical insulation properties.

The primary winding of the transformer is made from high-quality, enamel-coated wire, while the secondary winding is made from copper wire. Both windings are tightly wound, ensuring that they can handle the high current loads that are common in audio applications. The transformer is also fitted with heavy-duty terminals, which are securely screwed into place to ensure a reliable electrical connection.

One of the standout features of the HF81 transformer is its large, vented casing. This allows for excellent heat dissipation, ensuring that the transformer stays cool even under heavy load. The transformer is also equipped with a fuse, which provides an additional layer of protection in case of overcurrent conditions.

In summary, the Eico HF81 Completely Heyboer Power Transformer is a high-quality component that is ideal for use with Mullard tubes in vintage audio equipment. Its robust construction, excellent thermal management, and reliable electrical connections make it a reliable and dependable choice for any audio enthusiast. Whether you're restoring a classic stereo system or building a new vintage-inspired audio project, this transformer is sure to provide the power and reliability you need.

1. EICO is a well-known and respected brand in the audio community, known for its high-quality products.

2. The HF81 power transformer is designed specifically for use with Mullard tubes, ensuring optimal performance.

3. Mullard tubes are considered some of the best in terms of sound quality and reliability, especially for vintage audio equipment.

4. Using original components like the EICO transformer and Mullard tubes can help preserve the original tone and character of vintage audio equipment.

1. The cost of these components can be quite high, especially if you are looking for high-quality, original parts.

2. Finding these specific components may require searching through various online retailers or auction sites, which can be time-consuming.

3. If you are not familiar with working on vintage audio equipment, replacing these components can be a challenging and potentially risky task.

Ultimately, whether or not to buy the EICO HF81 completely Heyboer power transformer and Mullard tubes depends on your budget, the condition of your existing equipment, and your level of expertise in working on vintage audio equipment. If you are a serious audiophile looking for the best possible sound quality and are willing to invest in high-quality components, then this may be a worthwhile investment. However, if you are on a tight budget or are not comfortable working with vintage equipment, you may want to consider other options.

If you are interested in buying the EICO HF81 completely Heyboer power transformer and Mullard tubes, I would recommend doing thorough research on the specific components you need and comparing prices from various retailers. It may also be helpful to consult with a knowledgeable audio technician to ensure that you are making the best possible investment. Additionally, if you are not comfortable working on the equipment yourself, consider hiring a professional to do the installation for you.

Details:

All the small caps were replaced with silver mica, bypass polypropylene, coupling in preamps section and power are poi k40 other electrolytic. The has been restored with following work completed: a complete bare chassis restoration. The chassis front, and sides top grill have been repainted. There are 3 line inputs now, 1 phono and out.

The original speaker terminals and all rca jacks were replaced with binding posts for speakers gold inputs. New Elton tube sockets and shields in phono preamps section, power pre-driver section nos for rectifier tubes. Completely restored Eico HF81 integrated tube amplifier-mullard tubes these amps are rated at 14 watts per channel and feature a built in phono stage. It comes with a new power cord.

Chassis cleaned and rca jacks labelled at back. Resistors in the power supply rail are metal oxide, most plate Jame 2 watt and all others carbon film. The original rca jacks were terrible in these amps, making bad contacts and having intermittent grounds. The face plate was cleaned and looks very nice.

The new rca jacks are tight and have a solid ground. It has all the original knobs. Completely rewired with stranded 22 gauge wire. The input selector was replaced with a new 6x2 switch, and thus all Riga phono equalization components have been installed under chassis.

Looks great. This one is dead quiet, with no hum, all the controls were cleaned and are quiet. Tubes: 2 ez81 6ca4 Eico mullard rectifier tubes made in USA phono stage 12ax7 - pre driver line 12au7a 4 el84 all the output transformers are original.

This comes with a new heyboer extra heavy duty power transformer, which has more metal core and the heaters can handle few amps than their regular replacement version. The mono stereo blend switch has been bypassed, and on off control treble shaft moved to old tape front.

The speaker terminals have 4 ohm and 8 taps connected to binding posts. This improves the phono section drastically in with no hum.

specifications cassettevintagee:

• brand: Eico
• model: Hf81
• type: Integrated Amplifier
• country/region of manufacture: United States

Offer cassettevintagee:

• quantity: 1
• Started: October 22, 2017, 4:08 am
• min. bid: $1,250.00
• Sold: 0
• best offer: false
• bids: 0

Returns cassettevintagee:

• policy: no returns

Ratings:

1. Thank you for an easy, pleasant transaction. Excellent buyer.. 08-19-17
2. Fast payment, Thanks ! A 06-29-17
3. Great communication. A pleasure to do business with. 02-21-17
4. Good buyer, prompt payment, valued customer, highly recommended. 09-06-17
5. FAST PAYMENT---GREAT 03-15-17

Shipping cassettevintagee:

• type: Calculated
• handling: 2 days

Seller cassettevintagee:

• zipcode: N6P0A1
• city: London, Ontario

Payments cassettevintagee:

• PayPal

General cassettevintagee:

• in stock: Yes
• consumer electronics > vintage electronics audio video consumer electronics > vintage cassette decks

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