OFF - FOR SALE: Eico HF-81
Item #649232452Info: Eico HF-81
||Cash, Money Order, Interac/EMT
Jan 11, 17 7:56am (PST)
Edited: Jan 15, 17 1:45pm
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Restored Eico HF81 Integrated tube amplifier.
These amps are rated at 14 watts per channel and feature a built in phono stage.
The amp has been restored by Dan Nicotera and the following work was performed:
A complete bare chassis restore with brand new Belton sockets and shields.
All new power supply capacitors, which includes 2 40uf/450v , the can cap which was replaced with a JJ 100uf dual at 500v, plus an additional 220uf under the chassis.
All the small ceramic caps were replaced with silver mica, the coupling caps in the preamp section and power amp section are all PIO K40.
All the other small bypass and electrolytic caps were also replaced.
Resistors in the power supply rail are metal oxide , plate resistors Kiwame 2 watt and all others are carbon film.
The original speaker terminals and all rca jacks were replaced with gold binding posts for the speakers and gold rca jacks for the inputs.
The speaker terminals have the 4 ohm and 8 ohm taps connected to the binding posts.
The original rca jacks were terrible in these amps, making bad contacts and having intermittent grounds. The new rca jacks are tight and have a solid ground. All the jacks were replaced on this one!!
This comes with a new Heyboer extra heavy duty power transformer, which has more metal core and the heaters can handle a few extra amps than their regular replacement version.
It comes with a new power cord.
Volume pot has been replaced with an ALPS 250 k and a shaft extender to keep the original knob.
The input selector control was another bad flaw on these Eico’s, after time the contacts would get loose and dirty and cause static, hum and intermittent operation.
The control was replaced with a new 6x2 switch, and thus all the RIAA phono equalization components have been installed under the chassis. This improves the phono section drastically in this amp.
There are 3 line inputs now, 1 phono and 1 line out.
The mono/stereo blend switch has been bypassed, and the on/off control on the treble shaft has been moved to the old tape switch on the front.
Tubes: 2 Mullard EZ81/6CA4 rectifier tubes codes 8t1 B8J 8t1 B1B
2 USA made 12AX7 phono section
2 Electrohome branded –Made in Canada 12AX7 predriver section
2 Nationa Brand Made in E Germany 12AU7 in the preamp section
2 Eico Branded 6BQ5 Mullard rx1 B8J
2 Daystrom branded 6BQ5 Mullard rx2r3c4
All the transformers are original, with no rust. The unit has not been painted, the paint is original. I have applied a removable 3M wrap film to the chassis. There are some small scratches and missing paint here and there, but is still very presentable and is original. The faceplate was cleaned and looks very nice. It has all the original knobs, bottom plate and top mesh cover.
This one is dead quiet, with no hum, all the controls were cleaned and are quiet.
Prefer EMT or If paying by paypal please add the 3%.
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