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Family : Thin Line

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Original catalog description

[1962 catalog]
New "Vibra Jet" guitar with electronic tremolo
Built in…Transistorized…Finger tip control…Performs with any amplifier

Want unusual effects in your playing ? Would you enjoy "tremolo" at your fingertips, in your guitar, as now obtainable only thru special circuit amplifiers ? then harmony's Vibra-Jet tremolo electric is for you ! Enjoy pulsating tremolo through your guitar, not through your amplifier.

Built into this handsome neo-cutaway double pickup electric is a skillfully engineered transistorized and miniaturized assembly (made in America) which, at your command, produce a tremolo effect through any amplifier.
A lever, in easy reach of your little finger as you play, activates tremolo effect. Adjacent knobs control the speed of the beat, and depth of modulation. Powered by inexpensive battery. The amplifier you pklay need not to have a built-in tremolo.
The built-in double pickups are Golden Tone Indox, designed in cooperation with DeArmond. Each has volume and tone control. A 3 positions switch permits playing through either pickup, or both together, with or without tremolo effect.
Ultra-Thin Neo-cutaway (modified double cutaway) hollow body? Beautifully polished mahogany shaded finish with sunburst effect.
Harmony's favored Ultra-Slim neck with Torque-Lok reinforcing rod, narrow ebonized bound fingerboard and straight line design provides uniform "feel" througout all positions.
Vibra-jet guitar, size 15 3/4 x 40 1/2 in. Rim 2 in. deep, $189.50. C70 carrying case, keratol, plush lined, $22.50

Original price

  1962 : $189.50

Verified production year(s) : 1961-1965
others years possible, not verified.

4 comments | Add your comment !

• Todd - 2006-02-26
  To add to the dates of production, the Vibra circuit in mine is dated Jan 11 1965. Thanks very much for the photo of the circuit as my unit is missing the battery and one resistor is unattached. Since I can't find any schematics, another photo of the insides would be appreciated.
• Brian - 2006-07-06
  What voltage battery did this unit take.
  1.5 volt AA or a 12 volt camera type
• François - webmaster - 2006-12-04
  I checked and the battery I use is a Duracell "N", also known as "LR1" or "KN" under other brands. It's a 1.5V battery, used in pagers, car keys, etc. (At first it looks like a shorter AAA, LR03, the common 1.5 small sized. But on a closer look it's larger in diameter than a AAA...). I got it at a photo shop.
  The negative is to be on the top of the guitar side, touching the spring on the metal cap, and positive facing back of the guitar...
  Sample sound : harmony.demont.net/media/H66_vibrajet_tremolo_01.mp3
• Rocky - 2007-04-23
  Just bought my H66,I'd say a 75-85% condition. The production date n the back of the metal tremelo plate is Dec. 6 1961.It seems the battery may have corroded itself in. Does anyone have an easy way to remove it?